不同共基质条件下3-硝基酚的好氧降解研究  

Oxygen Degradation of Nitrophenols with Different Co-substrates

作　　者：丁厚钢[1] 佘宗莲[1] 姜丽娜[1] 于静[1] 

机构地区：[1]海洋环境与生态教育部重点实验室中国海洋大学环境科学与工程学院

出　　处：《安全与环境工程》2007年第3期37-39,共3页Safety and Environmental Engineering

基　　金：国家自然科学基金项目(20307009)资助

摘　　要：采用SBR反应器,研究分别以葡萄糖和乙酸钠为共基质时3-硝基酚的好氧降解。试验结果表明:在SBR反应器中,以葡萄糖为共基质的3-硝基酚好氧降解效果比以乙酸钠为共基质的要好;保持反应器内初始COD浓度1000 mg/L左右,在葡萄糖共基质条件下,初始浓度120 mg/L以内的3-硝基酚可完全降解;在乙酸钠共基质条件下,初始浓度40 mg/L以内的3-硝基酚可完全降解;相同的初始3-硝基酚浓度、相同的硝基酚去除率下,葡萄糖共基质条件下3-硝基酚的平均降解速率大于乙酸钠共基质条件下的平均降解速率。Oxygen degradation of 3-nitrophenol （3-NP） was investigated in sequencing batch reactors （SBR） using two different co-substrates, glucose and sodium acetate. The results showed that glucose was found to be a better co-substrate for 3-NP oxygen degradation when compared with sodium acetate. The COD initial concentration of the reactors was kept as 1 000 mg/L. Maximum 3-NP initial concentration was 120 mg/L with glucose as co-substrate,while maximum 3-NP initial concentration was 40mg/L with sodium acetate as co-substrate. With the same 3-NP initial concentration and 3NP removal efficiencies, the average 3-NP degradation rate with glucose as co-substrate was greater than that with sodium acetate as co-substrate.

关 键 词：SBR 3-硝基酚 共基质 好氧降解 

分 类 号：X703.1[环境科学与工程—环境工程]