硫自养菌降解还原高氯酸盐的优化控制研究  

THE OPTIMAL CONDITIONS STUDY OF PERCHLORATE REDUCTION BY AUTOTROPHIC BACTERIA USING ELEMENTAL SULFUR

作　　者：谢杰[1,2] 杨志泉[1,2,3] 陈兵[1,2] 江毅[1,2] 

机构地区：[1]华南理工大学环境科学与工程学院,510006 [2]工业聚集区污染控制与生态修复教育部重点试验室,510006 [3]亚热带建筑科学国家重点试验室,广东广州510640

出　　处：《水处理技术》2012年第6期32-35,39,共5页Technology of Water Treatment

基　　金：国基自然科学基金项目(51008128);广东高校优秀青年创新人才培育项目(粤财教[2009]400号);亚热带建筑科学国家重点试验室开放基金(2010KB19);中央高校基本科研业务项目(2011ZM0052)

摘　　要：通过驯化培养以硫为电子供体的自养菌,考察硫自养菌降解高氯酸盐的效果。利用序批式试验,研究初始pH、生长温度、泥量和溶解氧等因素对ClO4-降解效果的影响,确定最佳优化控制条件。结果表明,在30℃、初始pH为7.0的厌氧条件下,添加270 mg/L硫粉,0.64 g/L厌氧培养的活性污泥能在15 h内将质量浓度15 mg/L ClO4-完全降解。The potential of autotrophic bacteria to treat perchlorate contaminated water using sulful as electron donor was investigated in this study. Factors such as initial pH, temperature, domesticated sludge concentration, co-anions such as nitrate, chlorate, phosphate and dissolved oxygen affecting the removal of perchlorate were studied in detail by shaking bottle point tests. Results showed that 15 mg/L perchlorate was completely reduced by 0.64 g/L of domesticated sludge added with 270 mg/L of sulfur under the conditions of 30℃ and initial pH 7.0 within 15 h.

关 键 词：高氯酸盐 硫自养菌 影响因素 

分 类 号：X703[环境科学与工程—环境工程]