硫酸盐生物还原的限制性生态因子的影响研究  

Study on Restrictive Ecological Factors for Biological Reduction of Sulfate

作　　者：唐红玲[1] 严群[1] 邹华[1] 阮文权[1] 

机构地区：[1]江南大学工业生物技术教育部重点实验室

出　　处：《四川环境》2008年第2期32-34,42,共4页Sichuan Environment

基　　金：江苏省自然科学基金(BK2006023);江苏省高技术攻关项目(BG2006044)

摘　　要：利用厌氧颗粒污泥对烟气中SO2吸收生成的硫酸盐或亚硫酸盐废水进行处理,考察起始SO42-质量浓度、初始COD/SO42-、初始pH、接种污泥质量、亚铁离子等限制性生态因子对硫酸盐还原的影响。结果表明:在起始SO42-质量浓度800 mg/L,初始COD/SO42-为3.0,pH值为7.0,接种污泥质量为31.10 gVSS/L,添加亚铁离子的条件下,进行半连续试验,硫酸根去除率可达70%。表明在COD/SO42-较低的条件下,各生态因子综合作用下,硫酸盐还原可得较好效果。The liquid containing sulfate and sulphite absorbed from flue gas were treated with anaerobic granule sludge. Factors affecting the reduction of sulfate were studied. It concluded that 70% of the sulfate radical was removed in seml-continuous experiments conducted at the following conditions： initial concentration of SO4^2- 800 mg/L, initial ratio of COD/SO4^2- 3.0, initialpH value 7. 0, amount of sludge inoculums 31.10 g VSS/L and adding ferrous ion respectively. It showed that at low ration of COD/SO4^2-, the sulfate could be reduced well with the integrated effects of different ecologic factors.

关 键 词：硫酸盐生物还原 硫酸盐还原菌 厌氧颗粒污泥 限制性生态因子 

分 类 号：X701.3[环境科学与工程—环境工程]