학술저널
As a research for treatment of wastewater from acetaldehyde plant by bi이 ogic a1 method‘ we investigated general characteristics of the wastewater as well as the effect of coagulants. COD and BOD of the wastewater were 5260 ppm and 6452ppm, respectively. and pH was 1. 86. COD and BOD of the wastewater were 214,OOOppm and 15190ppm, respectively, and pH was 2.4. And the main organic componnt in wastewater were acetic acid were contained 6.76% and 14.5%, respectively. FeS04 as the coagulated was the most effecti ve. The COD removal rate was reached to maximum state by supplementing 1200 ppm FeSO, and pH 9.5.
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