废水中硫化物、硝酸盐和氨氮生物同步去除及其机理

doi:10.11949/j.issn.0438-1157.20141091

化工学报 ›› 2015, Vol. 66 ›› Issue (2): 779-784.DOI: 10.11949/j.issn.0438-1157.20141091

废水中硫化物、硝酸盐和氨氮生物同步去除及其机理

刘春爽¹, 李甲国¹, 闫来洪¹, 赵东风¹, 马斌², 李祥³, 王爱杰⁴

1 中国石油大学(华东)化学工程学院, 山东青岛 266580;
2 北京工业大学北京市水质科学与水环境恢复工程重点实验室, 北京 100124;
3 苏州科技学院环境科学与工程学院, 江苏苏州 215011;
4 哈尔滨工业大学城市水资源与水环境国家重点实验室, 黑龙江哈尔滨 150090

收稿日期:2014-07-21 修回日期:2014-09-16 出版日期:2015-02-05 发布日期:2015-02-05
通讯作者: 刘春爽
基金资助:
国家自然科学基金项目(21307160);山东省自然科学基金项目(ZR2013EEQ030);中央高校基本科研业务费专项资金(R1404005A)。

Simultaneous biological removal of nitrate, sulfide and ammonia from wastewater and its mechanism

LIU Chunshuang¹, LI Jiaguo¹, YAN Laihong¹, ZHAO Dongfeng¹, MA Bin², LI Xiang³, WANG Aijie⁴

1 School of Chemical Engineering, China University of Petroleum, Qingdao 266580, Shandong, China;
2 Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China;
3 School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215011, Jiangsu, China;
4 State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), Harbin Institute of Technology, Harbin 150090, Heilongjiang, China

Received:2014-07-21 Revised:2014-09-16 Online:2015-02-05 Published:2015-02-05
Supported by:
supported by the National Natural Science Foundation of China (21307160), the Natural Science Foundation of Shandong Province (ZR2013EEQ030), and the Fundamental Research Funds for the Central Universities (R1404005A).

摘要/Abstract

摘要：

在HRT为12 h,温度为30℃±2℃,进水pH为7.5,进水硫化物、硝酸盐氮和氨氮浓度分别为50～90 mg S·L^-1,22～35 mg N·L^-1和22～35 mg N·L^-1条件下,能够实现氨氮、硝酸盐氮和硫化物3类污染物的同步去除,去除率分别达到97.3%、92.8% 和99%以上,而且去除的硫化物主要以单质硫形式存在,单质硫理论转化率达89%以上。间歇实验结果表明,S^2-的存在能够促进NO₃^--N、NH₄⁺-N的同步去除。研究结果为含硫含氮废水的生物处理技术的发展提供了新思路。

关键词: 废水, 硫化物, 环境, 厌氧, 厌氧氨氧化, 硫氮同步脱除, 单质硫

Abstract:

Simultaneous removal of nitrate, sulfide and ammonia could be realized at HRT of 12 h, temperature of 30℃±2℃ and influent pH of 7.5. The removal rates were up to 95%, 90% and 99% for ammonia, nitrate and sulfide at influence concentrations of 22—35 mg N·L^-1, 22—35 mg N·L^-1 and 50—90 mg S·L^-1, respectively. Most of sulfide removed was converted to elemental sulfur (S⁰) and the conversion rate was as high as 89%. Batch experiment results indicated that presence of sulfide could enhance simultaneous removal of nitrate and ammonia. The results of this study provided an innovative idea for the development of sulfide- and nitrogenous contaminants- laden wastewater treatment technology.

Key words: waste water, sulfide, environment, anaerobic, ANAMMOX, sulfide, nitrate and ammonia removal, elemental sulfur

中图分类号:

X730.1

刘春爽, 李甲国, 闫来洪, 赵东风, 马斌, 李祥, 王爱杰. 废水中硫化物、硝酸盐和氨氮生物同步去除及其机理[J]. 化工学报, 2015, 66(2): 779-784.

LIU Chunshuang, LI Jiaguo, YAN Laihong, ZHAO Dongfeng, MA Bin, LI Xiang, WANG Aijie. Simultaneous biological removal of nitrate, sulfide and ammonia from wastewater and its mechanism[J]. CIESC Journal, 2015, 66(2): 779-784.

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废水中硫化物、硝酸盐和氨氮生物同步去除及其机理

Simultaneous biological removal of nitrate, sulfide and ammonia from wastewater and its mechanism

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