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Effect of the Reduction of Toxicity Using Bicarbonate on Wastewater
Park, Jin-Hwa,Park, Jae-Kwang 全南大學校 觸媒硏究所 2003 觸媒硏究 論文集 Vol.24 No.-
A wastewater treatment plant recently had failures in bioassay tests. There are several industries discharging wastewater to the sewer. The was a strong relationship between total inorganic carbon and percentage inhibition after biological treatment. The toxicity of the textile mill wastewater was significantly reduced by adding bicarbonate. The sodium bicarbonate addition gave a significant increase in microbial activity indicated by the increase in the oxygen uptake of sodium bicarbonate added systems. This strong effect of bicarbonate addition on oxygen uptake might be due to the binding effect of sodium bicarbonate with ion state metal compounds giving strong toxic effects for microorganisms. In addition, when the amount of the textile mill wastewater is greater than 5percentage, there was a high toxicity remained after TF biomass treatment.