Optimization of technology for processing liquid waste from meat processing plants

The existing treatment facilities of many meat processing plants are not able to provide modern requirements for the liquid waste quality. There was an urgent need for modernization and reconstruction of wastewater treatment plants, in such a way that they made it possible to achieve regulatory requ...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-01, Vol.421 (2), p.22067
Main Authors: Kulikova, M A, Kolesnikova, T A, Gribut, E A, Okovitaya, K O, Surzhko, O A, Zemchenko, G N
Format: Article
Language:English
Subjects:
Aeration
Aeration tanks
Biochemical oxygen demand
Clearing
Grease
Liquid wastes
Meat
Meat processing
Modernization
Optimization
Oxygen consumption
Oxygen demand
Reactors
Wastewater purification
Wastewater treatment
Wastewater treatment plants
Working conditions
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Summary:The existing treatment facilities of many meat processing plants are not able to provide modern requirements for the liquid waste quality. There was an urgent need for modernization and reconstruction of wastewater treatment plants, in such a way that they made it possible to achieve regulatory requirements. In the process of research, particular attention was drawn to the study of very simple technologies and facilities, which fully take into account the specific characteristics of the wastewater from meat processing plants, the actual working conditions and operation of treatment facilities. To purify wastewater from suspended substances, fat, as well as to reduce the total biological oxygen demand and chemical oxygen consumption, it is recommended to use a fundamentally new combined installation - an aerobic clearing reactor (FLOTEX - AERO) or an anaerobic clearing reactor (FLOTEX - ARO). During the design development of them the main advantages and disadvantages of the used grease skimming tanks, dirt collectors, floaters and aeration clarification units designed for incomplete biological cleaning, as well as special the specific features of the wastewater from meat processing plants were taken into account. The paper describes the dependencies for calculating the main parameters of the treatment plants.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/421/2/022067