Open AccessExtraction of nutrient substrate from highly concentrated poultry processing plants effluents
Author(s) -
В. И. Корчагин,
Yu N. Dochkina,
Л. В. Попова,
E. A. Denisova-Barabash
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/640/2/022062
Subject(s) - effluent , extraction (chemistry) , reagent , chemistry , substrate (aquarium) , pulp and paper industry , pollutant , nutrient , pollution , chromatography , environmental chemistry , environmental science , environmental engineering , biology , organic chemistry , ecology , engineering
The purpose of this work is to study the efficiency of extracting secondary raw materials from highly concentrated poultry processing enterprises effluents (VKSV) by electroflotation (EF). The main task is to extract biologically active substances in the form of a foam product from the drain, taking into account the achievement of optimal qualitative and quantitative indicators of the treated water that subsequently enters the biological treatment line, and to prevent secondary pollution. The research objects are the poultry processing enterprise VKSV. We determined the qualitative and quantitative indicators of valuable EF extraction by the reagent-free method from VKSV. It has been found that the VKSV alkalinization to pH = 9.5 increases the foam extraction efficiency product and reduces the pollutants concentration in the runoff. Increasing the temperature from 25 to 50 °C provides an increase in the efficiency of extraction of biologically active components, but leads to protein denaturation of the runoff particles. The HCV treatment with iron chlorides over 0.15 g/dm 3 is accompanied by a sharp increase in the iron content and chlorine ions, while reducing the value COD index below 300 mgO 2 /dm 3 , contributes to the depressing.