Modification of Wastewater Treatment Technology at Cottonseed Oil Plant

Wastewaters from cottonseed oil producing plant in Syria were studied in laboratory experiments. Aim of the study was to suggest modification of wastewater treatment technology in order to increase its efficiency. Concentration of pollutants in wastewaters was controlled by measurement of COD. According to the results of experiments it was suggested to decrease significantly (8-20 times) dosages of reagents (acidifier, coagulant, flocculant) in several actual stages of treatment (acidification, separation, coagulation and sedimentation) and add stage of dispersed air flotation before coagulation treatment. The modified wastewater treatment technology would reduce COD to the values allowed for irrigation waters by Syrian National Standard.

Abstract licence: CC BY

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