Optimization wastewater treatment process for a typical coal-to-natural gas project

doi:10.11894/iwt.2019-0899

Industrial Water Treatment ›› 2020, Vol. 40 ›› Issue (10): 126-128. doi: 10.11894/iwt.2019-0899

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Optimization wastewater treatment process for a typical coal-to-natural gas project

瀚洋程^1,^2,³(),俊兵夏³,波王³,永健刘³,会娟刘²,秀章吴^3,⁴

Received:2020-07-24 Online:2020-10-20 Published:2020-10-21

典型煤制气废水处理工艺优化改造研究

程瀚洋^1,^2,³(),夏俊兵³,王波³,刘永健³,刘会娟²,吴秀章^3,⁴

¹ 中国大唐集团科学技术研究院有限公司, 北京 100040
² 中国科学院生态环境研究中心, 北京 100085
³ 中新能化科技有限公司, 北京 100062
⁴ 中国大唐集团公司, 北京 100033

作者简介:程瀚洋(1991-),博士。电话:010-59350878, E-mail:owenchy@163.com

Abstract

Abstract:

介绍了某煤制天然气项目废水处理工艺现状、存在问题及优化改造建议。该项目废水中难降解有机污染物浓度高，处置困难，当前采用的处理工艺包括主生化、深度处理和回用工艺。深度处理系统出水水质差和膜装置处理能力不足是制约当前系统运行效果的重要因素。建议通过新增臭氧催化氧化工艺改善深度处理段出水水质，同时对膜装置扩容提升废水处理能力，通过以上措施可有效地从水质和水量角度改善当前废水处理系统的处理效果。

Key words: 煤化工废水, 零排放, 优化改造, 臭氧催化氧化

摘要：

关键词: 煤化工废水, 零排放, 优化改造, 臭氧催化氧化

CLC Number:

X703

瀚洋程,俊兵夏,波王,永健刘,会娟刘,秀章吴. Optimization wastewater treatment process for a typical coal-to-natural gas project[J]. Industrial Water Treatment, 2020, 40(10): 126-128.

程瀚洋,夏俊兵,王波,刘永健,刘会娟,吴秀章. 典型煤制气废水处理工艺优化改造研究[J]. 工业水处理, 2020, 40(10): 126-128.

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URL: https://gyscl.magtechjournal.com/EN/10.11894/iwt.2019-0899

https://gyscl.magtechjournal.com/EN/Y2020/V40/I10/126

指标	pH	COD/（mg·L^-1）	NH₃-N/（mg·L^-1）	碱度/（mg·L^-1）	总酚/（mg·L^-1）	总磷/（mg·L^-1）	水中油/（mg·L^-1）	电导率/（μS·cm^-1）
平均值	8.11	2 584.43	131.77	896.45	420.12	3.55	20.41	2 986.37

指标	pH	COD/（mg·L^-1）	NH₃-N/（mg·L^-1）	碱度/（mg·L^-1）	总酚/（mg·L^-1）	总磷/（mg·L^-1）	水中油/（mg·L^-1）	电导率/（μS·cm^-1）
平均值	8.11	2 584.43	131.77	896.45	420.12	3.55	20.41	2 986.37

项目		COD/（mg·L^-1）	NH₃-N/（mg·L^-1）
主生化工艺段出水	改造前	250~400	3~100
主生化工艺段出水	改造后	170~300	＜30
深度处理工艺段出水	改造前	190~300	4~85
深度处理工艺段出水	改造后	80~120	＜20

项目		COD/（mg·L^-1）	NH₃-N/（mg·L^-1）
主生化工艺段出水	改造前	250~400	3~100
主生化工艺段出水	改造后	170~300	＜30
深度处理工艺段出水	改造前	190~300	4~85
深度处理工艺段出水	改造后	80~120	＜20

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