工业污水处理厂生化出水氨氮周年变化及原因分析

doi:10.16085/j.issn.1000-6613.2017-2482

化工进展 ›› 2018, Vol. 37 ›› Issue (09): 3691-3698.DOI: 10.16085/j.issn.1000-6613.2017-2482

• 化工园区 • 上一篇

工业污水处理厂生化出水氨氮周年变化及原因分析

何尚卫^1,2, 张雷^1,2, 张超^1,2, 刘斌³, 邵娟^1,2, 李鹏章^1,2

1 南京大学盐城环保技术与工程研究院, 江苏盐城 224002;
2 江苏省产业技术研究院水环境工程技术研究所, 江苏盐城 224002;
3 盐城市环境监测中心站, 江苏盐城 224000

收稿日期:2017-12-01 修回日期:2018-01-15 出版日期:2018-09-05 发布日期:2018-09-05
通讯作者: 刘斌,高级工程师,主要研究方向为环境监测技术与环境管理。
作者简介:何尚卫(1989-),男,工程师,主要研究方向为水污染控制理论与技术研究。
基金资助:
水体污染控制与治理专项（2014ZX07204-005-1）及江苏省产学研前瞻性课题（BY2016068-02，BY2016068-07）项目。

Annual variations and the cause of the ammonia nitrogen concentration in effluent of a chemical industrial wastewater treatment

HE Shangwei^1,2, ZHANG Lei^1,2, ZHANG Chao^1,2, LIU Bin³, SHAO Juan^1,2, LI Pengzhang^1,2

1 Yancheng Academy of Environmental Protection Technology and Engineering, Nanjing University, Yancheng 224002, Jiangsu, China;
2 Institute of Water Environmental Engineering, Jiangsu Industrial Technology Research Institute, Yancheng 224000, Jiangsu, China;
3 Environmental Monitoring Station of Yancheng, Yancheng 224002, Jiangsu, China

Received:2017-12-01 Revised:2018-01-15 Online:2018-09-05 Published:2018-09-05

摘要/Abstract

摘要： 化工园区工业污水处理厂生化出水氨氮呈现出显著的周年变化。对进水水质进行分析，发现进水pH、氨氮浓度、阴离子浓度、重金属离子浓度均不是影响冬春季该工业污水厂生化出水氨氮不达标的原因。实验室连续流小试试验表明，好氧池污泥浓度、溶解氧也不是显著影响冬春季工业污水厂生化出水氨氮不达标的原因。进一步分析表明，温度显著影响该工业污水厂生化出水氨氮浓度，且存在不同的阈值。在夏季温度逐渐升高时，出水氨氮并没有逐渐下降，而是在当地最低气温达19~21℃时，出水氨氮才迅速下降并保持稳定；在冬季温度逐渐降低时，出水氨氮并没有逐渐升高，而是在当地最低气温达3~5℃时，出水氨氮迅速上升并保持稳定，且超出排放标准。温度较低时可以投加葡萄糖，提高对氨氮的去除能力。

关键词: 化学工业园区, 生化出水, 氨氮, 影响因子, 温度

Abstract: The ammonia nitrogen(NH₄⁺-N) concentration in effluent of a chemical industrial wastewater treatment plant had significant annual variations. The pH, concentrations of NH₄⁺-N, anions, metals in influent were not the reasons for inhibiting nitrification and causing the NH₄⁺-N concentration over the standard value in winter and spring. The continuous flow experiments in laboratory showed that dissolved oxygen and mixed liquor suspended solids did not inhibit the nitrification, and were not the reasons for NH₄⁺-N concentration over the standard value in winter and spring. Further analysis showed that the air temperatures had significantly effect on the NH₄⁺-N concentration in effluent and there were two different critical lowest air temperatures. In summer, NH₄⁺-N concentration did not decrease as air temperature rise until it reach to critical lowest air temperature 19-21℃ and then it kept stable in effluent. In winter, NH₄⁺-N concentration in effluent also kept stable as air temperature gradually decreases until the air temperature reach to another critical lowest air temperature 3-5℃ and then steady beyond the standard value. Addition of glucose can improve the removal rate of ammonia nitrogen when the air temperature was too low.

Key words: chemical industrial park, effluent, ammonia nitrogen, influence factor, temperature

中图分类号:

X703

何尚卫, 张雷, 张超, 刘斌, 邵娟, 李鹏章. 工业污水处理厂生化出水氨氮周年变化及原因分析[J]. 化工进展, 2018, 37(09): 3691-3698.

HE Shangwei, ZHANG Lei, ZHANG Chao, LIU Bin, SHAO Juan, LI Pengzhang. Annual variations and the cause of the ammonia nitrogen concentration in effluent of a chemical industrial wastewater treatment[J]. Chemical Industry and Engineering Progress, 2018, 37(09): 3691-3698.

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工业污水处理厂生化出水氨氮周年变化及原因分析

Annual variations and the cause of the ammonia nitrogen concentration in effluent of a chemical industrial wastewater treatment

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