废水中硫酸盐生物还原技术研究

A Study on Biological Reduction of Sulfate in the Wastewater

摘要: 在上流式厌氧污泥床中，利用硫酸盐还原菌还原青霉素生产废水中的SO₄^2-，当进水SO₄^2-为 2.0 g/L,SO₄^2-容积负荷为10 kg/(m³·d)时，SO₄^2-去除率为76%。试验结果表明：COD/SO₄^2-和容积负荷是影响SO₄^2-还原效果的主要因素。

Abstract: The sulfate in penicillin wastewater was reduced by sulfate reducing bacteria in a UASB reactor. When the influent SO₄^2- was 2.0 g/L and the SO₄^2- loading rate was 10 kg/(m³.d), the removal rate of 76% was reached. The experimental results showed that COD/SO₄^2- and SO₄^2- loading rate were the main factors affecting the reduction of sulfate.