Bibliografías temáticas / Sewage sludge

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Literatura académica sobre el tema "Sewage sludge"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 31 de julio de 2024

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Artículos de revistas sobre el tema "Sewage sludge"

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da Silva, Paulo Henrique Müller, Fabio Poggiani y Jean Paul Laclau. "Applying Sewage Sludge toEucalyptus grandisPlantations: Effects on Biomass Production and Nutrient Cycling through Litterfall". Applied and Environmental Soil Science 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/710614.

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In most Brazilian cities sewage sludge is dumped into sanitary landfills, even though its use in forest plantations as a fertilizer and soil conditioner might be an interesting option. Sewage sludge applications might reduce the amounts of mineral fertilizers needed to sustain the productivity on infertile tropical soils. However, sewage sludge must be applied with care to crops to avoid soil and water pollution. The aim of our study was to assess the effects of dry and wet sewage sludges on the growth and nutrient cycling ofEucalyptus grandisplantations established on the most common soil type for Brazilian eucalypt plantations. Biomass production and nutrient cycling were studied over a 36-month period in a complete randomized block design. Four experimental treatments were compared: wet sewage sludge, dry sludge, mineral fertilizer, and no fertilizer applications. The two types of sludges as well as mineral fertilizer increased significantly the biomass ofEucalyptustrees. Wood biomass productions 36 months after planting were similar in the sewage sludge and mineral fertilization treatments (about 80 tons ha−1) and 86% higher than in the control treatment. Sewage sludge application also affected positively leaf litter production and significantly increased nutrient transfer among the components of the ecosystem.
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Facchini, Francesco, Giovanni Mummolo y Micaela Vitti. "Scenario Analysis for Selecting Sewage Sludge-to-Energy/Matter Recovery Processes". Energies 14, n.º 2 (6 de enero de 2021): 276. http://dx.doi.org/10.3390/en14020276.

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The sewage sludges are the byproducts of the wastewater treatment. The new perspective of the wastewater value chain points to a sustainable circular economy approach, where the residual solid material produced by sewage sludge treatments is a resource rather than a waste. A sewage sludge treatment system consists of five main phases; each of them can be performed by different alternative processes. Each process is characterized by its capability to recover energy and/or matter. In this paper, a state of the art of the sludge-to-energy and sludge-to-matter treatments is provided. Then, a scenario analysis is developed to identify suitable sewage sludge treatments plants that best fit the quality and flowrate of sewage sludge to be processed while meeting technological and economic constraints. Based on the scientific literature findings and experts’ opinions, the authors identify a set of reference initial scenarios and the corresponding best treatments’ selection for configuring sewage sludge treatment plants. The scenario analysis reveals a useful reference technical framework when circular economy goals are pursued. The results achieved in all scenarios ensure the potential recovery of matter and/or energy from sewage sludges processes.
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Tiwari, Soni, Prabhash Kumar Pandey, Ranjan Singh, Ajad Patel, Laxmi Kant Pandey, Femina Sobin, Neeraj Khare et al. "Detoxification of Sewage Sludge by Natural Attenuation and its Application as a Fertilizer-A Review". International Journal of Current Microbiology and Applied Sciences 12, n.º 4 (10 de abril de 2023): 71–85. http://dx.doi.org/10.20546/ijcmas.2023.1204.008.

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Sewage sludge generated from the waste-water treatment systems can play an essential role as fertilizers in the agriculture system. Sewage sludges have hazardous toxic materials; therefore, their application is minimal. Proper dumping of sludge produced via waste-water treatment plants (WWTP) has been categorized as severe ecological trouble and a feasible option to be used in farming formerly sewage sludge is affluent in natural substance and nutrients. On the other hand, sewage sludge contains various toxic agents therefore special attention is required for its application in farming to evade any harm to the organisms as well as to the environment. Controlled and well monitored process of natural attenuation (biological, physical, and chemical processes) which is a part of the environment can detoxify the toxic substances present in the sewage sludges. This review will lead the readers towards the assessment of different processes used for the decontaminating sewage sludge naturally.
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Arrobas, Margarida, Ramily Meneses, Andressa Gribler Gusmão, Julieta Moreira da Silva, Carlos Manuel Correia y Manuel Ângelo Rodrigues. "Nitrogen-Rich Sewage Sludge Mineralized Quickly, Improving Lettuce Nutrition and Yield, with Reduced Risk of Heavy Metal Contamination of Soil and Plant Tissues". Agronomy 14, n.º 5 (27 de abril de 2024): 924. http://dx.doi.org/10.3390/agronomy14050924.

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Sewage sludge should primarily find use in agriculture, reducing the quantity directed towards alternative disposal methods like incineration or deposition in municipal landfills. This study evaluated the agronomic value and the risk of soil and plant tissue contamination with heavy metals in sewage sludge obtained from two wastewater treatment plants (WWTP). The experiment was arranged as a 2 × 5 factorial (two sewage sludges, five sanitation treatments), involving lettuce cultivation in pots over two growing cycles. The two sewage sludges were sourced from the WWTPs of Gelfa and Viana do Castelo and underwent five sanitation and stabilization treatments (40% and 20% calcium oxide, 40% and 20% calcium hydroxide, and untreated sewage sludge). The Gelfa sewage sludge, characterized by a higher initial nitrogen (N) concentration, resulted in greater dry-matter yield (DMY) (12.4 and 8.6 g plant−1 for the first and second growing cycles, respectively) compared to that from Viana do Castelo (11.0 and 8.1 g plant−1), with N release likely being a major factor influencing crop productivity. The high N concentration and the low carbon (C)/N ratio of sewage sludge led to rapid mineralization of the organic substrate, which additionally led to a higher release of other important nutrients, such as phosphorus (P) and boron (B), making them available for plant uptake. Alkalizing treatments further stimulated sewage sludge mineralization, increasing soil pH and exchangeable calcium (Ca), thereby enhancing Ca availability for plants, and indicating a preference for use in acidic soils. Cationic micronutrients were minimally affected by the sewage sludge and their treatments. The concentrations of heavy metals in the sewage sludge, soils, and lettuce tissues were all below internationally established threshold limits. This study highlighted the high fertilizing value of these sewage sludges, supplying N, P, and B to plants, while demonstrating a low risk of environmental contamination with heavy metals. Nevertheless, the safe use of sewage sludge by farmers depends on monitoring other risks, such as toxic organic compounds, which were not evaluated in this study.
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Cheng, H. F., S. Y. Chen y J. G. Lin. "Hazardous organic matters in municipal sewage sludge in Taiwan". Water Science and Technology 44, n.º 10 (1 de noviembre de 2001): 65–70. http://dx.doi.org/10.2166/wst.2001.0582.

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Application of municipal sewage sludge to agricultural land has attracted significant attention in recent years because it conserves abundant nutrients and hydrocarbons that can be used as a soil amendment. The presence of hazardous organic matters (HOMs) in sewage sludge limits the feasibility of reuse of sewage sludge. The purpose of this study was to investigate the types and the concentrations of HOMs in municipal sewage sludge in Taiwan. An efficient SFE/GC/MS method was used to determine HOMs in sludge samples. The results indicated that di-(2-ethylhexyl) phthalate (DEHP) was persistently found in both aerobically and anaerobically digested sludges. 4-nonylphenol (4-NP) was only found in anaerobically digested sludges. Both DEHP and 4-NP have been characterized as endocrine disrupting chemicals (EDCs) or environmental endorine disruptors (EEDs). It suggested that sludges containing high levels of DEHP and 4-NP need further treatment and reduction of possible impacts on the environment before their reuse as soil fertilizers.
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Samson, K. A. y G. A. Ekama. "An assessment of sewage sludge stability with a specific oxygen utilization rate (SOUR) test method". Water Science and Technology 42, n.º 9 (1 de noviembre de 2000): 37–40. http://dx.doi.org/10.2166/wst.2000.0165.

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Sewage sludge treatment systems are intended to stabilize the sludge so that its disposal or reuse can be environmentally acceptable. However, stabilized sludges may still contain residual biodegradable organic matter that can be environmentally a nuisance. This paper presents a specific oxygen utilization rate [SOUR, mgO2/(gVSS·h)] batch reactor test method to quantify the residual biodegradable organic matter content of the treated (stabilized) sewage sludges. The results of the study, in which 37 SOUR batch tests were done on 10 different sewage sludges, show that the SOUR, when determined over a prolonged period (4 to 5 days), gives an indirect measure of sludge stability defined as the % soluble and particulate residual biodegradable organics in the sludge; to determine % sludge stability, it is necessary to simulate the experimental SOUR data by means of a general activated sludge model. The % sludge stability obtained for the 10 different sludges, taking due account of their soluble and particulate constituents, was consistent with that expected from the stabilization treatment systems to which the sludges were subjected.
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Chu, C. W., C. S. Poon y R. Y. H. Cheung. "Characterization of raw sludge, chemically modified sludge and anaerobically digested sludge in Hong Kong". Water Science and Technology 38, n.º 2 (1 de julio de 1998): 25–32. http://dx.doi.org/10.2166/wst.1998.0095.

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Chemically Enhanced Primary Treatment (CEPT) or Chemically Assisted Primary Sedimentation (CAPS) is being employed at the new sewage work on Stonecutters Island as part of the Strategic Sewage Disposal Scheme (SSDS) in Hong Kong. CAPS involves the use of chemical coagulants (such as lime or ferric chloride) to induce coagulation or flocculation and let these finely-divided particles form large aggregates (floc) so that they can settle out within a reasonable period of time. In this study, five sludge samples collected from different sewage treatment plants in Hong Kong were physically and chemically characterized. They were chemically modified sludge from Stonecutters Island (CAPS) raw sludge from Tai Po and Yuen Long Sewage Treatment Plant (STP) (rTP & rYL) and anaerobically digested sludge from Tai Po and Yuen Long STP (dTP & dYL). It was found that CAPS sludge was better than other 4 sludge samples in terms of settleability and dewaterability. CAPS sludge contained significant higher amounts (p<0.01) of extractable compounds than other sludges (except NO3− for dTP, NH4+ and PO43− for dYL). The concentration of total N and P in CAPS sludge were significantly higher (p<0.01) than other sludges (except dYL). The concentrations of total Cu, Pb, Ni, Cd, Cr and K in the CAPS sludge were also significantly higher (p<0.01) than other sludge samples. Most of the metals (Cr, Pb, Cr and Zn) in CAPS sludge were associated with the organically-bounded phase. It is concluded that there are significant differences in both physical and chemical properties between the chemically modified sludge and biological treated sludges.
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Rio, S., C. Faur-Brasquet, L. Le Coq, D. Lecomte y P. Le Cloirec. "Preparation and characterization of activated carbon from sewage sludge: carbonization step". Water Science and Technology 49, n.º 1 (1 de enero de 2004): 139–46. http://dx.doi.org/10.2166/wst.2004.0041.

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Sewage sludges produced from wastewater treatment plants continue to create environmental problems in terms of volume and method of valorization. Thermal treatment of sewage sludge is considered as an attractive method in reducing sludge volume which at the same time produces reusable by-products. This paper deals with the first step of activated carbon production from sewage sludge, the carbonization step. Experiments are carried out on viscous liquid sludge and limed sludge by varying carbonization temperature and heating rate. The results show that carbonized residue properties are interesting for activated carbon production.
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Meunier, N., R. D. Tyagi y J. F. Blais. "Traitement acide pour la stabilisation des boues d'épuration". Canadian Journal of Civil Engineering 23, n.º 1 (1 de febrero de 1996): 76–85. http://dx.doi.org/10.1139/l96-008.

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Chemical stabilization of sewage sludge is one of the most researched alternative to conventional biological digestion. The present research was therefore dedicated to studying a new acid treatment process for residual sludge from wastewater treatment, both industrial and municipal. This study demonstrated that sludge acidification (pH = 2.0–2.5) with sulphuric acid brings about a very rapid hydrolysis and mineralization of organic matter of the biomass that causes a significant reduction in sludge solids. This simple and efficient process of acidification for a partial digestion of different types of municipal (primary, secondary, and mixed) and industrial (pulp and paper) sludges could be integrated into the actual chain of treatment and stabilization of sewage sludges. Key words: sewage sludge, stabilization, digestion, acid treatment, sulphuric acid.
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Hu, Mian Hao y Ju Hong Yuan. "Heavy Metal Speciation of Sewage Sludge and its Phytotoxic Effects on the Germination of Three Plant Species". Advanced Materials Research 347-353 (octubre de 2011): 1022–30. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1022.

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The environmental impact of sewage sludges depends on the availability and phytotoxicity of their heavy metal. The influence of representative sludges (industrial sludge and municipal sludge) on the availability of heavy metals, and their effects on seed germination were compared. The total heavy metal concentrations were below the maximum permitted for land applied waste and the differences among them were small. The DTPA-extracted metal concentrations were significant different. The sum of all the fractions in the slugdes was close to the total metal content as determined by extraction with aqua regia. In addition, there were significant differences in the chemical forms of the heavy metals (Hg, Ni, As, Cd, Cu, Cr, Zn, Pb) by the sequential extraction system. The two different sludges also affected seed germination and root elongation in different ways. The most serious adverse effects were caused by the municipal sewage sludge extract.
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Tesis sobre el tema "Sewage sludge"

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Черниш, Єлізавета Юріївна, Елизавета Юрьевна Черныш y Yelyzaveta Yuriivna Chernysh. "The sewage sludge detoxification". Thesis, Сумський державний університет, 2013. http://essuir.sumdu.edu.ua/handle/123456789/33561.

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Recycling of organic sewage sludge today is an urgent problem in the whole territory of Ukraine, which requires a solution. At the most of the municipal wastewater treatment plants, unfortunately, current removal, treatment and recycling of sewage sludge are not properly resolved. At present, the general part of sewage sludge is not carried out. Because it contains toxic chemicals, mainly heavy metals (HM) within the industrial waste water coming into the city sewer system after insufficient treatment or without treatment. As a result, sewage sludge is sent to the sludge pit and storage sites, which are assigned to the large land area. Therefore the process of HM removing from sewage sludge is of paramount importance to allow using sewage sludge as an organic fertilizer in agriculture. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/33561
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Heredia, Salgado Mario Alejandro. "Sewage sludge drying and combustion". Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13409.

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Mestrado em Sistemas Energéticos Sustentáveis
A brief review of the paper pulp production process in order to understand the origin of the sewage sludge was performed. Then a general revision of the current treatment options for this type of waste was addressed. The thermal treatment by combustion was focused and a review of the state of the art of this process was performed. The high moisture content of sludge was identified as a major concern. Thus a revision of the state of the art regarding thermal drying of sewage sludge was performed. The drying behavior of sewage sludge from the pulp and paper industry was evaluated by experiment in a drying tunnel. Strong shrinkage, cracks and a weak crust phenomenon were identified. A drying kinetic model was developed by the use of Artificial Neural Networks achieving a high Pearson correlation coefficient in the validation tests. Additionally a theoretical assessment of the co-combustion process was performed having into account a 50 MWth combustion facility. The inclusion of different portions of sewage sludge in a fuel mixture and the influence of the sludge moisture content was studied. It was found that burning sewage sludge with more than 50 wt% moisture content is not possible. Furthermore the inclusion of sewage sludge in a biomass fuel mixture causes an increase in the fuel consumption, solids production and heat losses in the flue gas. Based on general thermodynamic considerations the thermal power of a sludge dryer was calculated. The use of waste heat to supply the energy needs of the drying process was addressed by the waste heat availability estimation as sensible heat and latent heat at the stack of the facility. A set of combustion experiments were done in a pilot scale bubbling fluidized bed combustor to assess the combustion efficiency by monitoring the CO2, CO, H2O and O2 levels in conjunction with the temperature profile along the reactor height. Two different types of fuel samples were prepared. One composed by 100 wt% sewage sludge (fuel sample 1) and other composed by 50 wt% sewage sludge and 50 wt% residual forest biomass (particle size <1mm) (fuel sample 2). Low CO levels were onserved especially for the fuel sample 2 which indicates a very efficient combustion process. The CO emission level established by the Portuguese law for this type of reactor was never exceeded under typical operating conditions. The temperature profile along the reactor confirms that the combustion of the fuel samples prepared occurs mainly in the freeboard zone. It was not observed agglomeration problems and the fluidization conditions were kept constant during all the experimental tests. After the combustion experiments a considerable ashes quantity were found and its particle size distribution was estimated.
Foi realizada uma revisão sucinta do processo de produção de pasta de papel, a fim de compreender a origem da lama biológica. Uma revisão geral das opções atuais de tratamento para este tipo de resíduo foi abordada. O tratamento térmico por combustão foi focalizado e uma avaliação do estado da arte deste processo foi realizada. Foi verificado que o elevado teor de humidade da lama representa uma grande preocupação. Por tanto, realizou-se uma revisão do estado da arte em relação à secagem térmica das lamas. O comportamento da lama secundaria da indústria de pasta e papel foi estudado experimentalmente em um túnel de secagem. Foram observados os fenómenos de encolhimento e rachaduras além do fenomeno de crosta, embora este último não seja muito pronunciado. Foi desenvolvido um modelo de cinética de secagem com recurso ao uso de Redes Neurais Artificiais, sendo observado um elevado coeficiente de correlação nas experiências de validação. Foi realizada uma análise teórica ao processo de co-combustão de lama com biomassa florestal numa instalação de combustão de 50MWth. Estudou-se a inclusão de diferentes fracções de lama numa mistura de combustível contendo biomassa florestal, assim como também a influência do teor de humidade da lama. Verificou-se que a combustão de lamas biológicas com mais do que 50 wt% em teor de humidade não é possível. Além disso, a inclusão destas lamas na mistura de combustível provoca um aumento do consumo de combustível na instalação, da produção de sólidos e das perdas de calor no efluente gasoso da instalação. Com base em considerações termodinâmicas foi determinada a potência térmica de um secador de lamas. A utilização do calor residual para suprir as necessidades energéticas do processo de secagem foi abordada a través da estimativa da disponibilidade de calor residual na forma de calor sensível e calor latente no efluente gasoso da instalação de combustão. Foi realizado um conjunto de experiências de combustão de lamas e sua mistura com biomassa florestal num reactor de leito fluidizado borbulhante á escala piloto para avaliar a eficiência de combustão através da concentração de CO2, CO, O2 e H2O, em conjunto com o perfil de temperaturas ao longo do reactor. Foram utilizados dois tipos diferentes de amostras de combustível, uma composta por 100 wt% de lama biológica (combustível 1), e outra composta por 50 wt% de lama biológica e 50 wt% de biomassa florestal residual (tamanho de partícula <1mm) (combustível 2). Foram observados baixos níveis de CO no efluente gasoso, emparticular para a amostra de combustível 2, o qual indica um processo de combustão muito eficiente. Para condições de operação (temperatura e estequimetria) típicas, verificou-se que o limite de emissão de CO estabelecido pela lei Portuguesa para este tipo de fornalhas não foi excedido. O perfil de temperatura ao longo do reactor confirma que a combustão das amostras de combustível preparadas ocorre principalmente na zona do freeboard. Não foram verificados problemas de aglomeração e as condições de fluidização foram mantidas constantes durante todos os ensaios experimentais. Após os ensaios de combustão foi observada uma quantidade considerável de cinzas na fornalha, tendo sido avaliada a sua distribuição granulométrica.
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Chan, Lap-man. "Sludge management : oversea experience and application in Hong Kong /". [Hong Kong : University of Hong Kong], 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13813560.

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An, Kyoung Jin. "Reduction of excess sludge in an oxic-settling-anaerobic (OSA) system : a modified activated sludge process /". View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20AN.

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Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2004.
Includes bibliographical references (leaves 188-201). Also available in electronic version. Access restricted to campus users.
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Burke, Russell Armstrong. "Biological excess phosphorus removal in short sludge age activated sludge systems". Master's thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/7582.

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Includes bibliography.
The objective of this investigation was to test, at laboratory-scale, the behaviour of short sludge age biological excess P removal systems, to assess the response of the systems under non-nitrifying and nitrifying conditions, to determine the optimal system configuration(s) and operational parameters, and to check the settling characteristics of the mixed liquor produced in the systems. A secondary objective was to use the observed response data to test the predictive qualities of both the general activated sludge model of Dold, Ekama. and Marais (1985) and the semi-empirical biological excess P removal model of Wentzel, Dold, Ekama and Marais (1984). The objectives were fulfilled by operating a number of laboratory scale anaerobic/aerobic and anaerobic/anoxic/aerobic systems with varying sludge ages, anaerobic, anoxic and aerobic mass fractions, mixed liquor recycle ratios and COD loading rates.
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Nieto, Cebrián Antonio. "Emerging organic contaminants in sewage sludge". Doctoral thesis, Universitat Rovira i Virgili, 2010. http://hdl.handle.net/10803/9048.

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El objetivo de esta tesis es el desarrollo de métodos analíticos para la determinación de un grupo de contaminantes emergentes entre los cuales se incluyen los fármacos y los compuestos de cuidado personal en lodos de depuradora.
Los métodos desarrollados se basan en la extracción presurizada con solventes (PLE) y, debido a la polaridad de estos contaminantes, la cromatografia de líquidos. Como técnicas de detección se han utilizado la espectrometría de masas (con quadrupolo y tiempo de vuelo como analizadores) y la espectrometría de masas en tandem (con triple quadrupolo como analizador) utilizando la interfase de electrospray.
A parte del desarrollo de los métodos para la determinación de fármacos, hormonas y compuestos de cuidado personal, se han analizado muestras de dos plantas de tratamiento de aguas residuales de la zona de Tarragona. Se han obtenido resultados de la presencia de estos compuestos en lodos de depuradora que hasta la fecha no existían sobre las muestras de esta zona.
The scope of this thesis is to develop analytical methods to determine a group of pharmaceuticals and personal care products included in the list of so called "emerging organic contaminants".
The methods are based on pressurized liquid extraction as extraction technique and due to the polarities of these contaminants, liquid chromatography was the selected separation technique. Because the low concentration of these contaminants in sewage sludge, sensitive and selective detection technique have to be used such as mass spectrometry (with quadruople or time of flight analyzers) and tandem mass spectrometry (with triple quadrupole analyzer) using in all cases the electrospray interface.
The methods developed have been used to monitor several groups of pharmaceuticals and personal care products from sewage sludge from two different sewage treatment plants. The samples have been collected in Tarragona, where no studies related to the control of these compounds have been done.
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Lafitte-Trouque, Sandrine. "Enhanced anaerobic digestion of sewage sludge". Thesis, University of Birmingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369392.

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Brown, Stanley. "Heavy metal detoxification of sewage sludge". Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302700.

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Mess, Harold. "Sewage sludge disposal constraints and opportunities". Thesis, Aston University, 1985. http://publications.aston.ac.uk/15168/.

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Dursun, Derya. "Gel-like behavior of biosolids in conditioning and dewatering processes". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 260 p, 2007. http://proquest.umi.com/pqdweb?did=1362540141&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Libros sobre el tema "Sewage sludge"

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National Fertilizer Development Center (U.S.), ed. Sewage sludge. Muscle Shoals, Ala: National Fertilizer Development Center, Tennessee Valley Authority, 1985.

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Stoll, Uwe. Municipal sewage sludge management. Bangkok: Environmental Systems Information Center, Asian Institute of Technology, 1996.

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1948-, Cornwell David A., Koppers Hay M. M, AWWA Research Foundation y Keuringsinstituut voor Waterleidingartikelen (Netherlands), eds. Slib, Schlamm, sludge. Denver, CO: AWWARF, 1990.

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Federation, Water Environment, ed. Sludge digest. Alexandria, Va: Water Environment Federation, 1992.

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Turovskiĭ, I. S. Wastewater Sludge Processing. New York: John Wiley & Sons, Ltd., 2006.

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George, Taylor, ed. Sewage sludge treatment and disposal. Leicester: De Montfort University Flexible Learning Systems, 1997.

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Regional Conference on Sewage Sludge Technology and Management (1st 2003 Kuwait, Kuwait). Sewage sludge technology and management. Editado por Al-Awadi Nader 1950-, Al-Muzaini S y Moghissi A. Alan. Elmsford, NY: Cognizant Communication Corp., 2007.

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Chartered Institution of Water and Environmental Management., ed. Sewage sludge: Utilization and disposal. London: Chartered Institution of Water and Environmental Management, 1995.

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Water Pollution Control Federation. Task Force on Sludge Conditioning., Water Pollution Control Federation. Facilities Development Subcommittee. y Water Pollution Control Federation. Technical Practice Committee., eds. Sludge conditioning. Alexandria, VA: Water Pollution Control Federation, 1988.

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E, Baily Richard, ed. Sludge: Types, treatment processes and disposal. New York: Nova Science Publishers, 2009.

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Capítulos de libros sobre el tema "Sewage sludge"

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LESTER, J. y D. EDGE. "Sewage and sewage sludge treatment". En Pollution, 113–44. Cambridge: Royal Society of Chemistry, 2007. http://dx.doi.org/10.1039/9781847551719-00113.

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de Figueiredo, Cícero Célio, Joisman Fachini, Alyson Silva de Araujo, Jhon Kenedy Moura Chagas y Jorge Paz-Ferreiro. "Sewage Sludge Biochar". En Handbook of Waste Biorefinery, 183–99. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06562-0_8.

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Rheinallt, T. ap. "Impact of Sewage Sludge". En Pollution of the North Sea, 489–509. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-73709-1_27.

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Wood, P. C. "Sewage Sludge Disposal Options". En The Role of the Oceans as a Waste Disposal Option, 111–24. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4628-6_7.

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Angle, J. Scott. "Sewage Sludge: Pathogenic Considerations". En Sewage Sludge: Land Utilization and the Environment, 35–39. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, 2015. http://dx.doi.org/10.2134/1994.sewagesludge.c7.

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Ahsan, Muhammad, Adnan Younis, Fahad Ramzan, Usman Tariq, Muhammad Nafees, Fahim Nawaz, Gulzar Akhtar, Ahsan Akram y Aneela Ramzan. "Biostabilization of Sewage Sludge". En Sustainable Management and Utilization of Sewage Sludge, 147–63. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85226-9_7.

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Ahmad, Anees, Farah Hussain, Muhammad Hassan Javed, Muhammad Ali y Abdul-Sattar Nizami. "Gasification of Sewage Sludge". En Sustainable Treatment and Management of Sewage Sludge, 181–202. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003354765-13.

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Ni, Guo-Rong, Chun-Huo Zhou, Xin Yin y Hua-Jun Huang. "Pyrolysis of Sewage Sludge". En Sustainable Treatment and Management of Sewage Sludge, 129–42. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003354765-10.

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Peng, Yaru, Yuan Luo, Ken Smith y Ronghua Li. "Combustion of Sewage Sludge". En Sustainable Treatment and Management of Sewage Sludge, 143–60. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003354765-11.

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Price, Bridget Signe, Carlos Saul Osorio-González y Satinder Kaur Brar. "Biostabilization of Sewage Sludge". En Sustainable Treatment and Management of Sewage Sludge, 237–50. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003354765-17.

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Actas de conferencias sobre el tema "Sewage sludge"

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Demir, Sinan, Orkun Karabasoglu, V'Yacheslav Akkerman y Aysegul Abusoglu. "Economic Optimization of Indirect Sewage Sludge Heat Dryer Unit for Sewage Sludge Incineration Plants". En ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49155.

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This paper presents the economic optimization of indirect sewage sludge heat dryer for sewage sludge incineration plants. The objective function based on two-phase heat transfer, and economic relations is provided to demonstrate the optimum size for the minimum investment cost. De-watered sludge is fed into the dryer with a mass flow rate of 165 tons per day and consists of 27% dry matter. After the sludge drying process, the dryness of sludge increases up to 40%. In the indirect sludge dryer unit, thermal oil is used to heat the dryer wall and to prevent heat loss. Thermal oil is circulated in a closed cycle and gathered into an oil tank. Total cost of the sludge dryer unit changes proportional to the dryer area. The optimum dryer area is found as 32.54 m2. The corresponding minimum cost is found as $35,700.
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Hwang, Joon y Woo-Jung Kang. "Analysis of Sewage Sludge Treatment Process Using Taguchi Method". En ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82679.

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This paper presents the experimental analysis of sewage sludge drying process using Taguchi method to know the characteristics and optimize drying process parameters. There have been attempt to perform the sewage sludge disposal such as simple reclaiming, dumping in the sea, incineration. Currently, these methods are restricted by national or international government regulations. The drying process is adopted as effective method for sewage sludge treatment, however sewage sludge makes difficult to treat with large volume at the real drying process plant because of its own complicated physical, chemical, and thermal properties. To treat the sewage sludge in view of environmental friendly and cost effective way, it is necessary to control the volume and weight of sewage sludge. It is not only reduces the delivery expenses and improve the re-usability, but also prevents several shift environmental pollution from nocuous sewage sludge. In this study, sewage sludge drying process parameter was modeled and evaluated with Taguchi method. From these research results the process parameters can be optimized to satisfy the desired qualities of particle diameter and moisture content of dried sewage sludge, and also provided to achieve the economic process operation.
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Harris, A. T., S. A. Scott, J. S. Dennis, A. N. Hayhurst y J. F. Davidson. "The Gasification of Sewage Sludge in Bubbling Fluidized Beds". En 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-070.

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This paper gives the first measurements from a project investigating the gasification of dried sewage sludge in a laboratory scale, bubbling fluidized bed at atmospheric pressure. The aim of the work was to examine the reactions occurring in a fluidized bed gasifier rather than simply treat the reactor as a ‘black box’. Experiments were performed to investigate the rates of drying, devolatilisation, gasification and combustion. Thermogravimetric analysis, as well as batch fluidized bed experiments using mechanically dewatered, dried and pelletised municipal sewage sludges from different regions in the UK were performed. A comparison was made between the different samples of sludge and a low rank coal and softwood biomass. A distributed activation energy model (DAEM) for interpreting the kinetics of devolatilisation was also investigated. The model was able to reduce the results from several TGA experiments to a single curve characterised by a single parameter, the pre-exponential factor, A.
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Paterson, N., G. P. Reed, D. R. Dugwell y R. Kandiyoti. "Gasification Tests With Sewage Sludge and Coal/Sewage Sludge Mixtures in a Pilot Scale, Air Blown, Spouted Bed Gasifier". En ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30013.

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A series of tests have been done in a pilot scale air blown gasifier, to assess the performance of sewage sludge pellets and sewage sludge pellet/coal mixtures. The aim has been to compare the performances with that achieved with coal alone and to assess the suitability of the sewage containing fuel as a candidate fuel for the Air Blown Gasification Cycle (ABGC). The co-gasification of sewage sludge with coal raised both the CV of the fuel gas and the fuel conversion compared with values achieved with coal alone. The mixtures were operated under very similar conditions to those needed with coal and no adverse operational problems were encountered. A lower fluidising velocity was needed with the neat pellets to enable a stable bed height to be achieved. However, the conversion of the pellets to gas was very high and the fuel gas CV was higher than that achieved during the co-gasification tests. Overall, the results suggest that sewage based materials are suitable for use in the ABGC and that their use can improve the process performance.
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KEMESIUS, Martynas, Gerda SILINGIENE, Regina VASINAUSKIENE y Remigijus ZALKAUSKAS. "THE INFLUENCE OF SEWAGE SLUDGE ON NORWAY SPRUCE (PICEA ABIES (L.) H. KARST.) SEEDLINGS GROWTH". En Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.079.

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The usage of biodegradable waste as sewage sludge in a proper way for tree nurseries enable to seek for ecological, waste-less, alternative to mineral fertilization farming ways. The aim of this research is to investigate impact of sewage sludge fertilizers on Norway spruce (Picea abies) two years’ seedlings growth. Research has been done in 2013-2014 at Utena State Forest Enterprise nursery. The different fertilization rates (20, 40, 60, 80, 100 t/ha) of sewage sludge were investigated and compared with control – traditional fertilization with mineral fertilizers. The impact of sewage sludge was evaluated by seedlings biometric indicators, also dry mass of sample seedlings (medium seedlings by height and diameter). The bigger rates of sewage sludge showed almost better results in exception of seeds outlet. Sewage sludge has long lasting effect on seedlings growth and could successfully shift soil fertilization by mineral fertilizers. The obtained research results confirm the similar research carried out in 2011 in Rokiskis State Forest Enterprise nursery for first year Norway Spruce seedlings.
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Ribeiro, A., J. Araújo, A. Mota, R. Campos, C. Vilarinho y J. Carvalho. "Decontamination of Heavy Metals From Municipal Sewage Sludge (MSS) by Electrokinetic Remediation". En ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11221.

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Abstract A large quantity of sludges resulting from the treatment of MWWTP (Municipal Wastewater Treatment Plant) effluent is generated annually following the increase of population density and acceleration of urbanization. Sludge production in Europe has been predicted by around 12 million tons in 2020. As a solid waste, appropriate disposal of Municipal Sewage Sludge (MSS) has been taken seriously due to its larger volume and toxic substances such as heavy metals. Electrokinetic remediation has more advantages in heavy metals uptake compared to other technologies, due to the ability to treat soils in-situ and to remove heavy metals from soils. In this work, it was studied the remediation of MSS by the electrokinetic remediation coupled with activated carbon (AC) as a permeable reactive barrier (PRB). It was applied an electric current of 3 V cm−1 and it was used an AC/sludge ratio of 30 g kg−1 of contaminated sludge for the preparation of the PRB. In each trial, the evolution of cadmium (Cd), lead (Pb), copper (Cu), chromium (Cr), nickel (Ni) and zinc (Zn) removal from the sludge were evaluated. Results proved that this process is perfectly suited for the removal of chromium, nickel and zinc metals from the sludge. At the end of the operation time, it was achieved a maximum removal rate of 56% for chromium, 73% for nickel and 99% for zinc, with initial concentrations of 2790 mg kg−1, 2840 mg kg−1, and 94200 mg kg−1, respectively. Based on these results, it was proved the technical viability of the proposed technology (electrokinetic with AC as a permeable reactive barrier) to treat municipal sewage sludges.
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Turlej, Tymoteusz. "MANAGEMENT OF COMMUNAL SEWAGE SLUDGE IN POLAND". En 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017/51/s20.081.

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Edmundo Robledo S., Langen Corlay Ch., Joel Pineda P., Edna Álvarez S. y Amalio Ponce M. "Characterization and Agricultural Application of Sewage Sludge". En 2001 Sacramento, CA July 29-August 1,2001. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2001. http://dx.doi.org/10.13031/2013.3522.

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Edmundo Robledo S., Joel Pineda P., Ranferi Maldonado T., Esteban Martínez V., Edna Álvarez S. y Amalio Ponce M. "Heavy Metals in Sewage Sludge-Amended Soils". En 2004, Ottawa, Canada August 1 - 4, 2004. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16465.

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Mazurkiewicz, Jakub. "ALTERNATIVE SEWAGE SLUDGE AND BIOWASTE CO-MANAGEMENT". En 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings. STEF92 Technology, 2019. http://dx.doi.org/10.5593/sgem2019v/4.2/s11.044.

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Informes sobre el tema "Sewage sludge"

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Richard Honour, Richard Honour. Do novel fungi detoxify sewage sludge? Experiment, noviembre de 2014. http://dx.doi.org/10.18258/3981.

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Author, Not Given. Oxygen-enriched coincineration of MSW and sewage sludge: Final report. Office of Scientific and Technical Information (OSTI), enero de 1994. http://dx.doi.org/10.2172/10120421.

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Davis, C. E. Forest land application of sewage sludge on the Savannah River Plant. Office of Scientific and Technical Information (OSTI), mayo de 1989. http://dx.doi.org/10.2172/5866425.

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von Sperling, Marcos. Urban Wastewater Treatment in Brazil. Inter-American Development Bank, agosto de 2016. http://dx.doi.org/10.18235/0009301.

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The major focus of this report is the description and critical analysis of the main wastewater treatment processes used in Brazil. Special emphasis is given to small to medium size communities with populations lower than 100,000 inhabitants, which represent approximately 95% of the 5,570 Brazilian municipalities. In terms of coverage, around 40% of the sewage generated in Brazil is treated, with an estimated number of treatment plants in the order of 2,800. Based on a survey of 2,187 treatment plants, the configurations most widely adopted are: anaerobic pond followed by facultative pond; UASB (upflow anaerobic sludge blanket) reactor; activated sludge; ponds followed by maturation ponds; septic tank followed by anaerobic filter. An assessment of the actual performance of 166 treatment plants showed a great variability in the effluent concentrations and in the removal efficiencies, with performances that were usually inferior to those reported in the technical literature. Data on capital cost expendituresindicated values ranging from R$60/inhabitant to R$650/inhabitant, depending on the treatment process employed. Due to the favorable climatic conditions in Brazil, there are no technical limitations for the adoption of biological sewage treatment. Traditional options incorporate stabilization ponds and activated sludge, but the more recent trend involves the adoption of UASB reactors followed by some form of post-treatment.
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Thompson, C. Y. K-Area and Par Pond Sewage Sludge Application Sites Groundwater Monitoring Report. Office of Scientific and Technical Information (OSTI), abril de 1993. http://dx.doi.org/10.2172/7368595.

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Taron, A., S. Singh, P. Drechsel, C. Ravishankar y A. Ulrich. Sewage sludge: a review of business models for resource recovery and reuse. International Water Management Institute (IWMI), 2023. http://dx.doi.org/10.5337/2023.211.

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Charles R. Berry. Use of Municipal Sewage Sludge for Improvement of Forest Sites in the Southeast. Office of Scientific and Technical Information (OSTI), septiembre de 1987. http://dx.doi.org/10.2172/781312.

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Berry, Charles R. Use of Municipal Sewage Sludge for Improvement of Forest Sites in the Southeast. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1987. http://dx.doi.org/10.2737/se-rp-266.

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Thompson, C. Y. F- and H-Area Sewage Sludge Application Sites groundwater monitoring report, fourth quarter 1991. Office of Scientific and Technical Information (OSTI), marzo de 1992. http://dx.doi.org/10.2172/10107769.

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Thompson, C. Y. F- and H-Area Sewage Sludge Application Sites groundwater monitoring report, fourth quarter 1991. Office of Scientific and Technical Information (OSTI), marzo de 1992. http://dx.doi.org/10.2172/6900729.

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