PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS

Wastewater generated during vegetable oil production contains various pollutants that enter it during soapstock processing: fats and fatty acids and their salts (aqueous soap solutions), glycerin, phosphoglycerates, neutral fat, phosphatides, proteins, carbohydrates, dyes, unsaponifiable and waxy su...

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Autores principales:	L. Sabliy, V. Zhukova, Konontse, O. Obodovych, V. Sydorenko
Formato:	article
Lenguaje:	EN RU UK
Publicado:	National Academy of Sciences of Ukraine and Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine. 2021
Materias:	soapstock vegetable oil pollutants technology treatment wastewater. Biotechnology TP248.13-248.65
Acceso en línea:	https://doaj.org/article/2efb0839df654c13947a8b39297309cd
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spelling	oai:doaj.org-article:2efb0839df654c13947a8b39297309cd2021-11-03T17:09:13ZPROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS2410-77512410-776Xhttps://doaj.org/article/2efb0839df654c13947a8b39297309cd2021-08-01T00:00:00Zhttp://biotechnology.kiev.ua/images/4_2021/sabliy_4_2021.pdfhttps://doaj.org/toc/2410-7751https://doaj.org/toc/2410-776XWastewater generated during vegetable oil production contains various pollutants that enter it during soapstock processing: fats and fatty acids and their salts (aqueous soap solutions), glycerin, phosphoglycerates, neutral fat, phosphatides, proteins, carbohydrates, dyes, unsaponifiable and waxy substances, salts, mechanical impurities, etc. Aim. The purpose of the work was to study the processes of purification of industrial wastewater from oil production and to propose an effective technology for their treatment, taking into account the regulatory requirements for the discharge of treated wastewater into the city sewage system. Methods. Chemical oxygen demand (COD) was determined by the dichromate method. The concentration of suspended solids was determined by gravimetric method. Results. As a result of research, calcium carbonate was chosen as an alkaline reagent. After treatment of soapstock with calcium carbonate followed by flotation, the effect of removing the suspended particles was 70–75%, and COD decreased by 60%. On the basis of the research, a technology for processing soapstock was proposed, including sequential processes of physicochemical wastewater treatment —averaging, alkalization with calcium carbonate, stage I of flotation, coagulation, stage II of flotation, oxidation with hydrogen peroxide, filtration through quartz filters and adsorption on carbon filters. Conclusion. An effective technology for preliminary cleaning of the soapstocks oil production has been developed. This will significantly reduce the concentration of organic matter and other pollutants in soapstocks, which will significantly reduce the impact of such effluents on the processes of biological wastewater treatment of urban wastewater treatment plants.L. SabliyV. ZhukovaKonontseO. Obodovych V. SydorenkoNational Academy of Sciences of Ukraine and Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine.articlesoapstockvegetable oilpollutantstechnologytreatmentwastewater.BiotechnologyTP248.13-248.65ENRUUKBiotechnologia Acta, Vol 14, Iss 4, Pp 80-87 (2021)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	soapstock vegetable oil pollutants technology treatment wastewater. Biotechnology TP248.13-248.65
spellingShingle	soapstock vegetable oil pollutants technology treatment wastewater. Biotechnology TP248.13-248.65 L. Sabliy V. Zhukova Konontse O. Obodovych V. Sydorenko PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS
description	Wastewater generated during vegetable oil production contains various pollutants that enter it during soapstock processing: fats and fatty acids and their salts (aqueous soap solutions), glycerin, phosphoglycerates, neutral fat, phosphatides, proteins, carbohydrates, dyes, unsaponifiable and waxy substances, salts, mechanical impurities, etc. Aim. The purpose of the work was to study the processes of purification of industrial wastewater from oil production and to propose an effective technology for their treatment, taking into account the regulatory requirements for the discharge of treated wastewater into the city sewage system. Methods. Chemical oxygen demand (COD) was determined by the dichromate method. The concentration of suspended solids was determined by gravimetric method. Results. As a result of research, calcium carbonate was chosen as an alkaline reagent. After treatment of soapstock with calcium carbonate followed by flotation, the effect of removing the suspended particles was 70–75%, and COD decreased by 60%. On the basis of the research, a technology for processing soapstock was proposed, including sequential processes of physicochemical wastewater treatment —averaging, alkalization with calcium carbonate, stage I of flotation, coagulation, stage II of flotation, oxidation with hydrogen peroxide, filtration through quartz filters and adsorption on carbon filters. Conclusion. An effective technology for preliminary cleaning of the soapstocks oil production has been developed. This will significantly reduce the concentration of organic matter and other pollutants in soapstocks, which will significantly reduce the impact of such effluents on the processes of biological wastewater treatment of urban wastewater treatment plants.
format	article
author	L. Sabliy V. Zhukova Konontse O. Obodovych V. Sydorenko
author_facet	L. Sabliy V. Zhukova Konontse O. Obodovych V. Sydorenko
author_sort	L. Sabliy
title	PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS
title_short	PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS
title_full	PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS
title_fullStr	PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS
title_full_unstemmed	PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS
title_sort	problems of soapstock treatment of vegetable oil productions and their solutions
publisher	National Academy of Sciences of Ukraine and Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine.
publishDate	2021
url	https://doaj.org/article/2efb0839df654c13947a8b39297309cd
work_keys_str_mv	AT lsabliy problemsofsoapstocktreatmentofvegetableoilproductionsandtheirsolutions AT vzhukova problemsofsoapstocktreatmentofvegetableoilproductionsandtheirsolutions AT konontse problemsofsoapstocktreatmentofvegetableoilproductionsandtheirsolutions AT oobodovych problemsofsoapstocktreatmentofvegetableoilproductionsandtheirsolutions AT vsydorenko problemsofsoapstocktreatmentofvegetableoilproductionsandtheirsolutions
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PROBLEMS OF SOAPSTOCK TREATMENT OF VEGETABLE OIL PRODUCTIONS AND THEIR SOLUTIONS

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