Relevant bibliographies by topics / Sewage

Academic literature on the topic 'Sewage'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Sewage"

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Zhang, Qing Tao, Zhi Jian Zhang, Jiong Ma, and Jiao Xiang. "The Growth Performance of Duckweed and Removal Rate of Nitrate and Phosphorus in Sewages with Different Processes." Applied Mechanics and Materials 522-524 (February 2014): 854–60. http://dx.doi.org/10.4028/www.scientific.net/amm.522-524.854.

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The growth performance of duckweed (Spirodela polyrrhiza) and its removal rate of nitrate and phosphorus in sewages taken from sewage treatment plant with different processes were studied. The experiments were conducted in an environmentally controlled growth chamber. Three kinds of sewages were taken from a grit chamber, a sedimentation tank, and the anoxic pond in a sewage treatment plant, respectively. The fourth kind of sewage was mixed using the sedimentation tank sewage and the anoxic pond sewage in a volumetric ratio 1:1. The weight of duckweed biomass were determined with a balance. Wastewater samples taken from the media were analyzed for total nitrogen (TN), ammonium nitrogen (NH4N), total phosphorus (TP), phosphatephosphorus (PO4P) using AA3 Continous Flow Analyzer. The results showed that Spirodela polyrrhiza grew well in sewages taken from grit chamber and sedimentation tank of a sewage treatment plant, whereas a lot of duckweed fronds were dead in the sewage taken from the anoxic pond due to the high TP (higher than 7.9 mg/L) and TN (higher than 51.6 mg/L). The suitable TN concentration for Spirodela polyrrhiza growth should not be higher than 45 mg/L. Compared with the treatments without duckweed, the NH4N concentrations were reduced more than 60% in ST and GC sewages with duckweed due to the NH4N uptake by duckweed. Spirodela polyrrhiza could remove TN efficiently in sewages with relative low concentration TN (less than 20 mg/L), while duckweed could not remove TN effectively in sewages with high concentration TN (higher than 20 mg/L). The TN concentration in GC sewage decreased greatly in the first four days, which probably brought about anaerobic condition, thus P uptake switched to net release of P, which caused the increase of the TP concentration in the GC sewage without duckweed in the last six days. O2 or oxidant should be provided for sewage treatment system using duckweed to ensure that efficient removal of TN and TP meanwhile. The TP and PO4P concentrations in the mixed sewage with duckweed increased far more than those for no-duckweed treatments, which could be related that the dead duckweed released P into the sewage.
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Bugajski, Piotr M., Grzegorz Kaczor, and Krzysztof Chmielowski. "Variable dynamics of sewage supply to wastewater treatment plant depending on the amount of precipitation water inflowing to sewerage network." Journal of Water and Land Development 33, no. 1 (June 1, 2017): 57–63. http://dx.doi.org/10.1515/jwld-2017-0019.

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AbstractThe paper analyzes the effect of precipitation water that inflowing to sanitary sewage system as accidental water on the changes in the total amount of treated sewage. The effects of accidental water supply on the total amount of sewage inflowing to treatment plant were analyzed based on mean daily amounts from the investigated periods and mean daily amounts from incidental supplies. The study was conducted in the years 2010–2015. Six characteristic research periods were identified (one per each calendar year), when the amount of sewage in the sanitary sewage system was greater than during dry weather. The analysis of changes in the amount of sewage supplied to the sewerage system in the six investigated periods revealed that the accidental water constituted from 26.8% to 48.4% of total sewage inflowing to the wastewater treatment plant (WWTP). In exceptional situations, during intense rains, the share of precipitation water in the sewerage system would increase up to 75%. Then, the rainwater inflowing the sewerage system caused hydraulic overloading of the WWTP by exceeding its maximum design supply.
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Chmielowski, Krzysztof, Piotr Bugajski, and Grzegorz B. Kaczor. "Comparative analysis of the quality of sewage discharged from selected agglomeration sewerage systems." Journal of Water and Land Development 30, no. 1 (September 1, 2016): 35–42. http://dx.doi.org/10.1515/jwld-2016-0019.

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AbstractThe study provides a comparative analysis of the quality of sewage discharged from selected sewerage systems. The analyzed data were collected from 10 agglomeration sewerage systems discharging sewage into collective wastewater treatment plants (WTP). The investigated pollution indicators included BOD5, CODCr, total suspended solids and biogenic indicators such as total nitrogen and total phosphorus. These results were compared with the outcomes reported in commonly available research papers on sewage disposal. Considering the concentration of individual pollution indicators, more detailed categories of sewage pollution were adopted in this work. The sewage was divided into five basic groups: I – highly concentrated, II – concentrated, III – moderately concentrated, IV – diluted, and V – highly diluted. The sewage categories accounted for the following pollution indicators: BOD5, CODCr, total suspended solids, total phosphorus and total nitrogen. Mean BOD5, CODCr and total suspended solids in raw sewage were higher than average values reported in the referenced literature. Contrary to that, concentration of total phosphorus in raw sewage was significantly lower than reported by other authors. The outcomes of this study suggest that the predictions concerning pollution degree of raw sewage made at WTP design stage should not be based exclusively on general values provided in literature reports.
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Hassanain, Mohey A., Nawal A. Hassanain, Esam A. Hobballa, Fatma H. Abd- El Zaher, and Mohamed Saber M. Saber. "Existence and Decontamination of HVC, Infectious Enteric Bacteria and Parasites in Sewaged Soils." JOURNAL OF ADVANCES IN AGRICULTURE 3, no. 1 (September 30, 2014): 150–58. http://dx.doi.org/10.24297/jaa.v3i1.5411.

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A surface sample representing a high contaminated loamy sand soil irrigated with sewage effluent since 30 years and was cultivated with artichoke was collected from Abu-Rawash sewage farm. The existence of HVC, enteric infectious bacteria and parasites in sewaged soil found to be negative for the forward and positive for the latter's. Out of the 30 samples separated from the sewaged soil sample, only 3 samples contained parasitic fauna of developed and undeveloped Ascaris (10%) and five samples contained Entamoeba coli. Results showed that the number of Ascaris eggs/gm soil was 0.017 and the number of E. coli/gm was 0.26. Decontamination of soil parasites was effective using either calcium hypochlorite or potassium permanganate. Salmonella, Vibrio and Campelobacter were detected in the high contaminated sewaged soil and survived for 120 days in the sewaged soil under all control and bioremediated treatments irrigated with either sewage effluent or water.
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Haas, Bettina S., and Reimer Herrmann. "Transport of chlorinated hydrocarbons between sewage and sewer atmosphere." Water Science and Technology 34, no. 3-4 (August 1, 1996): 557–64. http://dx.doi.org/10.2166/wst.1996.0476.

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Sewage containing volatile contaminants is a potential VOC-source in cities. Thus we tried to evaluate volatilization out of the sewerage system by measurements of contaminants in sewer gas and sewage. Our results from a medium sized town with little industry showed that sewer gas is mainly contaminated with alkanes, small aromatic compounds and chlorinated hydrocarbons. For three chlorinated hydrocarbons (chloroform, trichloroethene, tetrachloroethene) we determined mass transfer coefficients out of sewage and used these data to estimate mass fluxes from sewage and emissions out of the sewerage system for two sewer stretches. Considerable emission of chlorinated hydrocarbons from sewage, i.e. fluxes of some 10 to 100 g per m2·d, occurred only when the contaminant input via sewage was between some g and mg per litre for a single compound. For concentrations that were about 3 orders of magnitude less, emissions were negligible.
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Kaczor, Grzegorz B., Krzysztof Chmielowski, and Piotr Bugajski. "Influence of extraneous waters on the quality and loads of pollutants in wastewater discharged into the treatment plant." Journal of Water and Land Development 33, no. 1 (June 1, 2017): 73–78. http://dx.doi.org/10.1515/jwld-2017-0021.

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Abstract The aim of the study was to analyze an influence of an inflow penetrating into two selected small sewerage systems during a rainy weather on pollutant concentration and load in raw sewage. Studies were conducted in 2010–2015 on two small sewerage systems in Małopolska province. The studies confirmed that the inflow penetrating into the sewerage systems resulted in a decrease of pollutant concentrations in sewage. However, they also showed that this dilution was not constant for all types of pollutants. The most important outcome of the study was demonstrating that despite its diluting effect on pollutants, the intense inflow into a sewerage system resulted in an increase of a sewage pollutant load. This increase was not regular, but it was rising dramatically when the inflow share in sewage exceeded 50%. The study indicated that the inflow penetrating into the sewerage system should not be disregarded, as it actually presented a significant threat to the wastewater treatment process and in consequence to the quality of recipient waters.
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Volschan, Isaac. "The challenge of dry-weather sewage intakes as a sustainable strategy to develop urban sanitation in the tropics." Water Practice and Technology 15, no. 1 (December 23, 2019): 38–47. http://dx.doi.org/10.2166/wpt.2019.084.

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Abstract Informal housing, and operational and management deficiencies, influence sewerage system performance in Brazil. Inadequate sewage volumes in storm sewers lead to fecal contamination and affect recreational water environments. As overflow structures, dry-weather sewage intakes (DWSIs) are used to intercept and transfer sewage from storm- to sewage- sewers. For cities without public services, the DWSI strategy has been suggested as an option to enable easier and more rapid responses in terms of sewage pollution control. The strategy may also lead to gradual construction of a separate sewerage system in a two-step plan: initially, based on the construction of DWSIs and wastewater treatment plants, and then, on the construction of separate sewers. The paper is a discussion of the main technical challenges in sustainability of the DWSI strategy, and includes a case study of slum and other informal housing areas in Rio de Janeiro.
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Duan, Aochuan. "Design of Sewage Treatment Process of Shaowu Second Sewage Treatment Plant Based on the Modified Carrousel Oxidation Ditch." E3S Web of Conferences 370 (2023): 02002. http://dx.doi.org/10.1051/e3sconf/202337002002.

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This paper is designed for the sewage treatment process of Shaowu City Second Sewage Treatment Plant, focusing on the modified card oxidation ditch process. This sewage treatment plant is mainly purified by living sewage in Shaowu City, and the processing scale is 10,000 m3d-1. According to the sewage quality and the reality of urban development, this paper selects the hydrolyzate + oxidation ditch + concrete precipitation process. The sewage first hydrolyzedate the acidified tank before entering the secondary treatment to increase the sewage’s sewage, then remove the main organic matter in the water and complete the nitrogen removal phosphorus. Finally, further remove the suspension in water. The material and total phosphorus have enabled water quality to meet the “Sewage Treatment Plant Pollutant Emission Standard” (GB18918-2002). The project is expected to invest 3001,500 yuan, and the wastewater operating cost of the equivalent is 0.57 yuan/ton.
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Zhuravlev, Petr V., Irina V. Khutoryanina, and Boris I. Marchenko. "The barrier role of sewage treatment plants in relation to sanitary-indicative and pathogenic bacteria, parasitic agents on the example of the southern zone of Russia." Hygiene and sanitation 100, no. 10 (October 31, 2021): 1070–76. http://dx.doi.org/10.47470/0016-9900-2021-100-10-1070-1076.

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Introduction. From the sanitary and epidemiologic point of view the economic and household sewage making more than 80% of the volume of all water disposal is of the greatest practical interest. The infectious agents getting to the sewerage do not perish independently. The problem of treatment facilities of the sewerage consists of prevention of possible distribution through water of intestinal and parasitic infections. Aim of the study. To investigate the overall efficiency of sewage treatment facilities in relation to pathogenic and sanitary indicator bacteria and pathogens of parasitic diseases. Materials and methods. The object of the study was microbial and parasitic communities of household waste water from sewage treatment plants in a number of cities in the Rostov region. In work standard microbiological methods of research according to MU 2.1.5.800-99 and the methods of sanitary and parasitological researches of sewage stated in MUK 4.2.2661-10 and also author’s techniques (No. FTs/4022 MR) are used Results. The sewage of the studied cities arriving on sewage treatment plants has high degree of contamination on all bacteriological and parasitological indicators. At the same time intensity of pollution of sewage on these indicators for city drains was in the limits provided by MU 2.1.5.800-99. Dynamics of decontamination process at stages of sewage treatment facilities is shown. During normal operation of treatment systems, waste water is completely freed from salmonella. The species composition of parasitosis pathogens in wastewater that underwent the treatment stages, as well as those arriving, was almost identical in all territories. Conclusion. Researches have shown that at respect for technology of water processing of treatment facilities of the sewerage waste water practically corresponds to normative documents on bacteriological indicators. At the same time, the low performance concerning disinvasion and deworming is shown.
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Ermolin, Yuri A. "Practice of Automated Control in Urban Wastewater Transport System of Moscow." Water Science and Technology 27, no. 5-6 (March 1, 1993): 229–32. http://dx.doi.org/10.2166/wst.1993.0502.

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Control of the ramified head-and-gravity wastewater disposal system of Moscow is considered with respect to the possibility of redistributing flows of sewage between structural components through underground hydraulic connections (sewers). It is supposed that the sewerage pumping stations of a network are characterized by various consumptions of electric power for pumping a unit volume of sewage (specific consumption). Analysis is limited by the subsystem of transportation of the sewage (sewerage network). Controlling the network is reduced to the purposeful redistribution of the sewage flows between the sewers and pumping stations. The control criterion is the minimizing of total consumption of the electric power by all of the pumping stations of the network. Restrictions in control are the carrying capacities of the structural components. The control algorithm is adapted to the use of computer facilities.
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Dissertations / Theses on the topic "Sewage"

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蔣華生 and Wah-sang Eddy Chiang. "Sewage and sewerage management." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31252801.

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Chiang, Wah-sang Eddy. "Sewage and sewerage management /." [Hong Kong] : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1381350X.

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Lam, Chun-tak, and 林振德. "Hong Kong's sewage strategy: an analysis of the strategic sewage disposal scheme." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31964965.

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Yu, Chi-wing. "An overview of wastewater management in Hong Kong /." [Hong Kong] : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13814035.

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Chilibeck, Barry Michael. "Operation and diagnostics of wastewater treatment facilities using an expert system." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29495.

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This research examines the use of microcomputer-based expert systems as a diagnostic tool and an operational aid of conventional secondary wastewater treatment facilities. The research has shown that rule-based systems are well suited for the domain of wastewater treatment facilities operations using observational information. Advances in expert systems software combined with increased microcomputer processing power have made this development work possible with personal computers. These systems possess the capability to provide fully automated diagnostics and process control as well as acting as a teaching and development tool for operators in full-scale treatment facilities. The thesis describes the technical aspects of wastewater treatment as applied to the development of a finished knowledge base system called WASTES (WAStewater Treatment Expert System). The thesis also discusses the development of the knowledge bases from their sources to implementation in the system. Recommendations and conclusions are also presented along with potential areas for further research.
Applied Science, Faculty of
Civil Engineering, Department of
Graduate
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Черниш, Єлізавета Юріївна, Елизавета Юрьевна Черныш, and 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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Kan, Hon-shing. "EIA of sewerage projects : an overview of the Hong Kong situation /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14709296.

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Lau, Yip Hang. "Maximization of treatment capacity of a full-scale biological nitrogen removal plant through model simulation and full-scale stress test /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?EVNG%202005%20LAU.

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Ko, Chun-wa Johnason, and 高振華. "Sewage treatment in private sector." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31253404.

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Shum, Ngai-on William, and 岑毅安. "Deodorisation of sewage treatment plant." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31253258.

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Books on the topic "Sewage"

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Hannah, Valerie. Sewage. Santa Barbara, CA: VHW Pub., 1990.

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Marketing Strategies for Industry (UK) Ltd., ed. Sewage disposal. London: Marketing Strategies for Industry, 1995.

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Authority, North West Water, ed. Sewage treatment. [Warrington]: North West Water, 1990.

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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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Rowe-Evans, Annwen. Sanitation infrastructure: A handbook of wastewater technology and management systems. Vancouver: Centre for Human Settlements, University of British Columbia, 1999.

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Robert Peccia & Associates. Amendment to wastewater facilities plan for Helena-Helena Valley. Helena, MT: Robert Peccia & Associates, 1988.

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United States. Environmental Protection Agency. Office of Wastewater Management., ed. Local limits development guidance. Washington, DC: U.S. Environmental Protection Agency, Office of Wastewater Management, 2004.

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Washington (State). Hazardous Waste and Toxics Reduction Program., ed. Domestic sewage exclusion. [Olympia]: Washington State Dept. of Ecology, 1994.

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Washington (State). Hazardous Waste and Toxics Reduction Program., ed. Domestic sewage exclusion. 6th ed. [Olympia]: Washington State Dept. of Ecology, 1997.

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Institution of Civil Engineers (Great Britain), ed. Greater Cairo wastewater project. London: Published for Institution of Civil Engineers by T. Telford Services, 1993.

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Book chapters on the topic "Sewage"

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Boudjabi, Sonia, Nawal Ababsa, and Haroun Chenchouni. "Sewage and Sewage Treatment." In The Palgrave Handbook of Global Sustainability, 1–27. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-38948-2_50-1.

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Boudjabi, Sonia, Nawal Ababsa, and Haroun Chenchouni. "Sewage and Sewage Treatment." In The Palgrave Handbook of Global Sustainability, 719–45. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-01949-4_50.

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Gooch, Jan W. "Sewage." In Encyclopedic Dictionary of Polymers, 923. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_14793.

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

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Albaji, Mohammad. "Sewage treatment." In Introduction to Water Engineering, Hydrology, and Irrigation, 145–59. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003293507-10.

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Yashima, Atsushi, and Yu Huang. "Waterworks and Sewage." In Social Infrastructure Maintenance Notebook, 133–41. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8828-0_15.

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Sarbu, Ioan. "Sewage Treatment Plants." In Advances in Building Services Engineering, 799–816. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64781-0_9.

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Ellis, Derek. "Sewage — Victoria (Canada)." In Environments at Risk, 126–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74772-4_6.

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Strohm, Paul. "Sovereignty and Sewage." In Lydgate Matters, 57–70. New York: Palgrave Macmillan US, 2008. http://dx.doi.org/10.1057/9780230610293_4.

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de Figueiredo, Cícero Célio, Joisman Fachini, Alyson Silva de Araujo, Jhon Kenedy Moura Chagas, and Jorge Paz-Ferreiro. "Sewage Sludge Biochar." In 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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Conference papers on the topic "Sewage"

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Cunha, Gileno. "Sewage Treatment Project." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2006. http://dx.doi.org/10.2118/103019-ms.

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Sivarajeswari, S., S. P. Ranjana, E. Swathi, and Sakrika Kandasami. "Smart Sewage Sentinel." In 2024 International Conference on Communication, Computing and Internet of Things (IC3IoT). IEEE, 2024. http://dx.doi.org/10.1109/ic3iot60841.2024.10550208.

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Milojković, Ivan. "ASSESSMENT OF SEWAGE CONDITIONS WITHIN TEKO A POWER PLANT AND PROPOSAL FOR OPTIMAL MAINTENANCE AND REHABILITATION." In Assessment, maintenance and rehabilitation of structures. Association of Civil Engineers of Serbia, 2024. http://dx.doi.org/10.46793/sgisxiii.06im.

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The subject, scope and method of the conducted investigative works to define the positions and conditions of the underground installations for the evacuation of waste water within TEKO A are presented. The legal framework for the conducted investigative works, types of works and technical conditions are also listed. Within the TEKO A power plant, there is partly a sewage separation system, which consists of: - General internal sewerage (atmospheric, sanitary and part of technological wastewater); - Channels for return cooling water; - Oily sewage in the area of the oil station and refinery.
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Ramya, K., E. Shanthini, V. Shenbaga Rohit, and T. Arun Kumar. "Corporation sewage maintenance system." In PROCEEDINGS OF THE 1ST INTERNATIONAL CONFERENCE ON FRONTIER OF DIGITAL TECHNOLOGY TOWARDS A SUSTAINABLE SOCIETY. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0113680.

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Deb, Ishita, A. Swathi, G. H. Nayana, Bandaru Kusuma Sagar, Ashritha Challa, and Md Afsar. "Sensor Based Sewage Segmentation." In 2023 International Conference on Computer Communication and Informatics (ICCCI). IEEE, 2023. http://dx.doi.org/10.1109/iccci56745.2023.10128340.

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Rydhagen, B., C. Dackman, H. Åberg, and S. Jonsson. "Engineering sustainable sewage systems." In SUSTAINABLE CITY 2008. Southampton, UK: WIT Press, 2008. http://dx.doi.org/10.2495/sc080161.

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Zhou, Changming, and Hong Kan. "Numerical Simulation and Analysis of Sewage Heat Utilization with Sewage Heat Exchanger." In 2017 2nd International Conference on Materials Science, Machinery and Energy Engineering (MSMEE 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/msmee-17.2017.282.

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Guohui, Zheng, Luo Jianzhong, and Qiu Hongrong. "Influence of Sewage Pipe Network on COD Reduction Efficiency in Sewage Treatment Plant." In 2011 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring (CDCIEM). IEEE, 2011. http://dx.doi.org/10.1109/cdciem.2011.419.

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Wei, Bing, Bin Zhang, Lu Jiang, and Wen Luo. "Economics Analysis of Sewage Source Heat Pump System." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90265.

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To sewage treatment plants, the sewage is plenteous and costless. If the sewage is utilized for air conditioning purpose, it will achieve more value. The temperature of sewage is basically constant in summer or winter. The treated sewage can be used for absorbing the condensing heat in summer and releasing heat to the building space in winter through the sewage heat exchanger. Especially the heating coefficient of the sewage source heat bump is higher in winter, which is an advantage to heating. In this paper the cooling and heating theory of the sewage source heat bump is briefly introduced, the advantages and disadvantages of sewage source heat bump system is explained. With an example in Beijing, China, compared with the boiler/ductless split air conditioner system, the initial investment and annual operating cost are calculated and the economics of the sewage source heat pump system is analyzed. At last the impact of fossil fuel rate and electric rate on the annual operating costs is analyzed. The calculating results showed that under the present rates of fossil fuel and electricity in China, the initial investment of the sewage source heat pump system is higher, the annual operating cost is lower than that of the boiler/ductless split air conditioner system. All these above will be good references for the actual applications of sewage source heat pump systems.
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Hrudka, Jaroslav, Reka Wittmanova, Stefan Stanko, Andrea Raczkova, and Ivona Skultetyova. "POSSIBILITIES OF SEWAGE TREATMENT TEMPORARILY ACCUMULATED IN SUMPS." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/3.1/s12.19.

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The inhabitants produce the sump waters and accumulate temporarily in the sumps. This is sewage that must be treated before it is discharged to surface waters. Slovak legislation does not allow the discharge of such waters into the soil. The possibilities of sump water treatment are given by the water management equipment of the given locality where sewage water is produced. The most common treatment method is transported at municipal wastewater treatment plants, which are, however, largely congested. In many cases, the sump water is no longer able to receive in WWTP. Another way is domestic wastewater treatment plants, and also they are wastewater treatment plants exclusively for sump waters. Sump waters have a predominantly high organic content and therefore their quality needs to be constantly monitored. The most important monitored characteristics of sump waters are COD (Chemical Oxygen Demand) and BOD5 (Biological Oxygen Demand). The high concentration of these substances in the sump water can adversely affect the processes at the municipal wastewater treatment plant. Due to the rapid development of rural settlements without a functioning sewerage system, it is necessary to intensify or adapt the existing wastewater treatment plants. However, many engineers see the solution to this problem in the construction of separate wastewater treatment plants for sump waters.
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Reports on the topic "Sewage"

1

Cole, Mark R. Central Facilities Area Sewage Lagoon Evaluation. Office of Scientific and Technical Information (OSTI), December 2013. http://dx.doi.org/10.2172/1124665.

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2

Giesbrecht, Alan. Central Facilities Area Sewage Lagoon Evaluation. Office of Scientific and Technical Information (OSTI), March 2015. http://dx.doi.org/10.2172/1177242.

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

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Mark R. Cole and N. Advanced Test Reactor Complex Sewage Lagoon Evalua. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1097699.

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5

Ekman, Lisa. Down the Drain: A Story of Sewage. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1295.

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6

Sturzenegger, Germán, Cecilia Vidal, and Sebastián Martínez. The Last Mile Challenge of Sewage Services in Latin America and the Caribbean. Edited by Anastasiya Yarygina. Inter-American Development Bank, November 2020. http://dx.doi.org/10.18235/0002878.

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Access to piped sewage in Latin America and the Caribbean (LAC) cities has been on the rise in recent decades. Yet achieving high rates of end-user connection between dwellings and sewage pipelines remains a challenge for water and sanitation utilities. Governments throughout the region are investing millions in increasing access to sewage services but are failing in the last mile. When households do not connect to the sewage system, the full health and social benefits of sanitation investments fail to accrue, and utilities can face lost revenue and higher operating costs. Barriers to connect are diverse, including low willingness to pay for connection costs and/or the associated tariffs, liquidity and credit constrains to cover the cost of upgrades or repairs, information gaps on the benefits of connecting, behavioral obstacles, and collective action failures. In contexts of weak regulation and strong social pressure, utilities typically lack the ability to enforce connection through fines and legal action. This paper explores the scope of the connectivity problem, identifies potential connection barriers, and discusses policy solutions. A research agenda is proposed in support of evidence-based interventions that have the potential to achieve higher effective sanitation coverage more rapidly and cost-effectively in LAC. This research agenda must focus on: i) quantifying the scope of the problem; ii) understanding the barriers that trigger it; and iii) identifying the most cost-effective policy and market-based solutions.
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Estache, Antonio, Ronaldo Seroa da Motta, and Grégoire Garsous. Shared Mandates, Moral Hazard, and Political (Mis)alignment in a Decentralized Economy. Inter-American Development Bank, March 2015. http://dx.doi.org/10.18235/0011691.

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This paper investigates the effects of political (mis)alignment on public service delivery when mandates are shared between state and local governments. We analyze sewage treatment policies in the state of São Paulo, Brazil. Relying on difference-in-differences estimations, we establish a causal relationship between political alignment and higher sewage treatment provision. Conceptually, we find that, with uncertain local commitment and weakly enforceable local obligations, shared mandates lead to a moral hazard issue implying service under-provision. Our results show that political alignment attenuates such moral hazard effects.
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8

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

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Phillips, C. A., N. Webster, and J. Wander. Case studies of sewage treatment with recovery of energy from methane. Office of Scientific and Technical Information (OSTI), June 1993. http://dx.doi.org/10.2172/10190789.

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10

Whicker, Jeffrey Jay, Jessica Gillis, and Elizabeth Ruedig. Release Report for Building Debris for TA-21 Sewage Treatment Facility. Office of Scientific and Technical Information (OSTI), May 2017. http://dx.doi.org/10.2172/1356117.

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