Littérature scientifique sur le sujet « Humic acid extraction »
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Articles de revues sur le sujet "Humic acid extraction"
Pedroso-Rodriguez, Irina, Lourdes Yamén González-Sáez, Jesús Luis-Orozco, Liz Pérez-Martínez, Carlo Vandecasteele et Jo Van Caneghem. « Extraction yield of humic substances from organic materials ». DYNA 89, no 223 (22 septembre 2022) : 107–13. http://dx.doi.org/10.15446/dyna.v89n223.101666.
Texte intégralJiang, Peng Wei, Zhi Jun Ma et Yue Xin Han. « Experimental Study on Extracting Humic Acid from Lignite ». Advanced Materials Research 158 (novembre 2010) : 56–63. http://dx.doi.org/10.4028/www.scientific.net/amr.158.56.
Texte intégralYwih Ch’ng, Huck, Yeong Yee Yue, Suhaimi B. Othman Osman et Jeng Young Liew. « Determination of Extraction Period and Extractant Ratio for Extracting Humic Acid from Rice Straw Compost ». Current Agriculture Research Journal 6, no 2 (27 août 2018) : 150–56. http://dx.doi.org/10.12944/carj.6.2.03.
Texte intégralJarukas, Laurynas, Liudas Ivanauskas, Giedre Kasparaviciene, Juste Baranauskaite, Mindaugas Marksa et Jurga Bernatoniene. « Determination of Organic Compounds, Fulvic Acid, Humic Acid, and Humin in Peat and Sapropel Alkaline Extracts ». Molecules 26, no 10 (18 mai 2021) : 2995. http://dx.doi.org/10.3390/molecules26102995.
Texte intégralOktavianta, Irma D., Gusrizal Gusrizal et Nurlina Nurlina. « Oil Palm Empty Bunch Compost as a Source of Humic Acid ». Jurnal Akademika Kimia 9, no 4 (30 novembre 2020) : 205–12. http://dx.doi.org/10.22487/j24775185.2020.v9.i4.pp205-212.
Texte intégralBekturganova, N. Ye, Zh T. Yeshova, M. Zh Kerimkulova et E. E. Orazkhanov. « EXTRACTION OF HUMIC ACIDS FROM SHUBARKOL BROAD COAL BY PROBABILISTIC PLANNING METHOD ». Chronos : natural and technical sciences 7, no 2(40) (3 octobre 2022) : 24–30. http://dx.doi.org/10.52013/2712-9691-40-2-5.
Texte intégralLi, Cuilan, Shuqing Gao, Qiang Gao, Lichun Wang et Jinjing Zhang. « CHARACTERIZATION OF BULK SOIL HUMIN AND ITS ALKALINE-SOLUBLE AND ALKALINE-INSOLUBLE FRACTIONS ». Revista Brasileira de Ciência do Solo 39, no 1 (février 2015) : 120–26. http://dx.doi.org/10.1590/01000683rbcs20150294.
Texte intégralГ.В., Ларина,, Сокруто, А.Е., Макарюк, А.Д., Манченко, Н.А., Каракчиева, Н.И. et Дайбова, Е.Б. « INTENSIfying the EXTRACTION of HUMIC ACID FROM MOUNTAIN PEATs USING ULTRASONIC TREATMENT ». Южно-Сибирский научный вестник, no 6(46) (20 décembre 2022) : 23–29. http://dx.doi.org/10.25699/sssb.2022.46.6.040.
Texte intégralMoskalenko, Tatiana, Valery Mikheev et Elena Vorsina. « Intensification of humic acid extraction from lignites ». E3S Web of Conferences 192 (2020) : 02024. http://dx.doi.org/10.1051/e3sconf/202019202024.
Texte intégralDeryagina, M. S., et O. M. Konyukhova. « Determination of Humic Acid Content in Sapropel ». BIO Web of Conferences 57 (2023) : 06002. http://dx.doi.org/10.1051/bioconf/20235706002.
Texte intégralThèses sur le sujet "Humic acid extraction"
Crane, Cynthia E. « Sorption of pentachlorophenol to humic acids and subsequent effects on biodegradation and solvent extraction ». Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-03172010-020652/.
Texte intégralMema, Vusumzi. « Identification of extraction methods for the production of humic acids from black liquor / ». Link to the online version, 2006. http://hdl.handle.net/10019/583.
Texte intégralMema, Vusumzi (Vusie). « Identification of extraction methods for the production of humic acids from black liquor ». Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019.1/3059.
Texte intégralSouth Africa has a variety of sources for humic substances that may be utilised for the large-scale production of specialised fertilizers. Humic substances are dark coloured fully decomposed remains of plant and animal organic matter. Amongst the sources that were investigated in this study, a 5-weeks old compost (C5W), a 6-weeks old compost (C6W), a compost prepared by Medallion Mushroom farm for the production of mushrooms (CB1), a compost produced as waste material after mushroom production (CB2), recycled water used in compost (i.e. CB1) preparation for mushroom production (“Goodie water,” GW) and black liquor from pulp industry (BL), black liquor showed the best potential for the large scale production of humic acids in South Africa. The quantity and quality of humic acids in these materials were determined by using the basic acid-precipitation method and E6/E6 ratio analyses of the products. Extracting humic acids from black liquor was optimised by comparing three possible variations to the standard humic acid-precipitation method (HAp), namely, lignin extraction/humic acid precipitation method (LHAp), humic acid precipitation/acid treatment method (HApA) and lignin extraction/humic acid precipitation/acid treatment method (LHApA). The method of extraction had a substantial impact on the quantity and quality of humic acids produced. Humic acid precipitation method followed by humic acid precipitation/acid treatment method (HApA) demonstrated high quantities of humic acids compared to lignin extraction/humic acid precipitation method (LHAp) and lignin extraction/humic acid precipitation/acid treatment method (LHApA). Analyses such as Fourier Transform Infrared (FTIR) spectroscopy, Ultraviolet Visible Spectroscopy (UV-VIS), High Performance Liquid Chromatography (HPLC) and Elemental Analysis demonstrated that the quality of humic acids produced from black liquor was similar to those reported previously. The type of material (e.g. softwood, hardwood and bagasse) used for black liquor production significantly affected the elemental and molecular composition of humic acids produced. The quality of humic acids produced was affected by both lignin extraction and acid treatment. However, chemical analyses indicated that the features of the humic acids extracted from black liquor correlated with their lignin origin. Humic acids from hardwood and softwood black liquor had a low nitrogen and high sulphur content compared to those extracted from black liquor produced from bagasse material. Although chemical and instrumental analysis of humic acids was quite reasonable for all humic acids produced, LHAp method was favoured for the extraction of humic acids from pine liquor due to the high quantity of humic acids produced (low S and ash contents). The humic acids extracted by means of HAp method and HApA had a positive effect on plant growth, when extracted from bagasse and Eucalyptus black liquors. Humic acids extracted by HAp from pine liquor had an inhibitory effect on plant growth. A possible process flow for the large-scale production of humic acids from black liquor was formulated. The possible process flow indicated that with the amounts of black liquor produced from pulp industry production of humic acids in South Africa is a possibility. Nevertheless, there is still more that needs to be done to investigate the cost effectiveness of this production prior its implementation. HAp method was most suitable for the production of humic acids from Eucalyptus and bagasse liquors in terms of quantity and plant response but LHAp method was more suitable for the production of humic acids from pine liquor in terms of both quantity and quality.
Chatreewongsin, Urai. « Metal Extraction From Soil Samples By Chelation in a Microwave System ». Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/26982.
Texte intégralPh. D.
CRISTINA, GIULIO. « The hidden potential of digested sewage sludge : a recycling approach to combat desertification ». Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2903484.
Texte intégralFaro, Cynthia Cristina Pagliari de. « Processo de extração de DNA humano contaminado com solo ». Universidade Federal de Sergipe, 2012. https://ri.ufs.br/handle/riufs/3273.
Texte intégralO índice de criminalidade em nossa sociedade cresce a cada dia. É observado, em especial o aumento de homicídios, praticados em terrenos ou sítios, onde não se tem a elucidação da autoria do ato delituoso. A dificuldade de identificação criminosa reside no fato dos resíduos biológicos encontrados nestes locais estarem em contato com o solo de diferentes naturezas. A importância desse trabalho está na possibilidade de apresentar uma resposta à sociedade acerca da identificação humana a partir de vestígios biológicos de sangue contaminados com solo. O objetivo deste trabalho é desenvolver um protocolo de extração de DNA capaz de isolar o DNA humano dos constituintes do solo com o intuito de identificar o indivíduo possivelmente envolvido em ato delituoso. Para tanto quatro protocolos de extração de DNA foram utilizados, sendo dois protocolos convencionais e dois protocolos novos, desenvolvidos pela nossa equipe. Foram utilizadas 720 amostras de sangue contaminadas com solo, sendo 240 para cada tipo de solo. Foram utilizados 3 diferentes tipos de solo (terreno baldio, areia da praia e mangue). Das 240 amostras de sangue humano contaminados com solo, 120 foram submetidas à extração do DNA imediatamente após o contato com o solo (Tempo 0) e 120 amostras submetidas a extração de DNA após um tempo decorrido de 72 horas do contato com o solo (Tempo 72). Os resultados mostraram que as amostras de sangue humano extraídas em Tempo 0 pelos protocolos convencionais só amplificaram para um dos tipos de solo enquanto que os protocolos novos obtiveram uma boa amplificação para os três tipos de solo testados. Já para a extração de DNA Humano efetuada em Tempo 72 não foi observada a amplificação das amostras extraídas com os protocolos convencionais. Somente os protocolos novos proporcionaram amplificação e conseqüente identificação humana. Concluiu-se que os dois protocolos novos, desenvolvidos pela nossa equipe, apresentaram resultados superiores comparados aos demais protocolos de extração de DNA para os 3 tipos de solos testados, podendo assim, auxiliar na elucidação de crimes e proporcionar mais sensibilidade as técnicas usuais.
Nováková, Šárka. « Stabilita půdní organické hmoty a huminových látek ». Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2018. http://www.nusl.cz/ntk/nusl-376835.
Texte intégralKrist, Tomáš. « Sekvenční frakcionace organické hmoty huminové kyseliny izolované z Leonarditu ». Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-445142.
Texte intégralPotočková, Jana. « Frakční složení kovových iontů v huminových gelech ». Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216934.
Texte intégralKalina, Michal. « Využití průtokové coulometrie ve studiu transportu kovových iontů v huminových gelech ». Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-216652.
Texte intégralChapitres de livres sur le sujet "Humic acid extraction"
Vialykh, E. A., S. A. Ilarionov et A. V. Zhdanova. « Amino Acid Composition Analysis of Humic Acids Isolated by Sequential Alkaline Extraction from Soil ». Dans Functions of Natural Organic Matter in Changing Environment, 215–18. Dordrecht : Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5634-2_38.
Texte intégralHemati, A., H. A. Alikhani, G. Bagheri Marandi et L. Mohammadi. « Assessment of the Possibility of Humic Acid Extraction from Vermicompost with Urea ». Dans Functions of Natural Organic Matter in Changing Environment, 225–28. Dordrecht : Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5634-2_40.
Texte intégralCrane, Cynthia E., et John T. Novak. « Solvent Extraction of Pentachlorophenol Associated with Humic Acids ». Dans Hazardous and Industrial Waste Proceedings, 574–84. Boca Raton : CRC Press, 2022. http://dx.doi.org/10.1201/9781003075905-74.
Texte intégralKumar Gautam, Rajneesh, Dimuth Navaratna, Shobha Muthukumaran, Amarendra Singh, Islamuddin et Nandkishor More. « Humic Substances : Its Toxicology, Chemistry and Biology Associated with Soil, Plants and Environment ». Dans Humic Substance [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98518.
Texte intégralActes de conférences sur le sujet "Humic acid extraction"
Smirnova, A. O., et O. V. Rybachuk. « Properties of hymatomelanic acid peat and its influence on the growth processes of spring wheat varieties Iren ». Dans VIII Information school of a young scientist. Central Scientific Library of the Urals Branch of the Russian Academy of Sciences, 2020. http://dx.doi.org/10.32460/ishmu-2020-8-0012.
Texte intégralMustafa, Irfan, Hadiatullah et Sustiyah. « Removal of humic acid from peat soils by using AlCl3 prior to DNA extraction ». Dans 2ND INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS AND MATERIAL ENGINEERING (ICCMME 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.4983434.
Texte intégral« Extraction in alkali without nitrogen significantly alters physico-chemical properties of humic acids from compost ». Dans Seventh International Conference on Humic Innovative Technologies "Humic substances and technologies for resilience" (HIT – 2022). NP CBR "Humus Sapiens", 2022. http://dx.doi.org/10.36291/hit.2022.012.
Texte intégral« Molecular composition - inhibition activity relationships for humic substances narrow fractions sets obtained by solid-phase extraction ». Dans Sixth International Conference on Humic Innovative Technologies "Humic Substances and Eco-Adaptive Technologies ”(HIT – 2021). Non-Commercial Partnership "Center for Biogenic Resources "Humus Sapiens" (NP CBR "Humus Sapiens"), 2021. http://dx.doi.org/10.36291/hit.2021.mikhnevich.001.
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