Photocatalytic coupled biological method for deep treatment of gardenia yellow pigment production wastewater

doi:10.11894/iwt.2019-0590

Industrial Water Treatment ›› 2020, Vol. 40 ›› Issue (7): 91-93. doi: 10.11894/iwt.2019-0590

• Research and Experiment • Previous Articles Next Articles

Photocatalytic coupled biological method for deep treatment of gardenia yellow pigment production wastewater

Peng Zhou¹(),Jinxi Chu¹,Shuangqing Jia^2,*()

1. Zhongyuan Environmental Protection Co., Ltd., Zhengzhou 450018, China
2. Xinxiang Environmental Protection Monitoring Station, Xinxiang 453000, China

Received:2020-05-18 Online:2020-07-20 Published:2020-07-21
Contact: Shuangqing Jia E-mail:13838358823@126.com;jiashuangqing@126.com

光催化与生物法耦合深度处理栀子黄色素生产废水

周鹏¹(),楚金喜¹,贾双庆^2,*()

1. 中原环保股份有限公司, 河南郑州 450018
2. 新乡市环境保护监测站, 河南新乡 453000

通讯作者: 贾双庆 E-mail:13838358823@126.com;jiashuangqing@126.com
作者简介:周鹏(1984-), 本科。电话:18638035055, E-mail:13838358823@126.com

Abstract

Abstract:

The wastewater of gardenia yellow pigment production was treated by photocatalytic coupled biological method. GC-MS results showed that wastewater containing isophorone, 2, 3, 4, 5-tetramethyl-2-cyclopentenone and 1-ethyl-2, 2, 6-trimethylcyclohexane. After photocatalytic pretreatment, the COD removal rate of wastewater was 32%, and the chroma decreased from 535 to 8. The BOD₅/COD of wastewater increased from 0.08 to 0.33, while COD removal rate increased to 88% after biological treatment. The degradation process of the pollutants was analyzed by three-dimensional fluorescence spectroscopy, which indicated that the organic matter in the wastewater was fully mineralized after being treated by the photocatalytic/bioreactor.

Key words: gardenia yellow pigment wastewater, photocatalysis, biological treatment

摘要：

通过光催化与生物法耦合深度处理栀子黄色素生产废水，采用GC-MS分析仪检测到废水中含有异弗尔酮，2，3，4，5-四甲基-2-环戊烯酮以及1-乙基-2，2，6-三甲基环己烷。光催化预处理后废水的COD去除率为32%，色度从535度降至8度，废水的BOD₅/COD从0.08提升至0.33；生物反应后COD去除率增加到88%。通过三维荧光光谱分析了有机物的降解过程，表明废水中有机物在光催化-生物反应器处理后充分矿化。

关键词: 栀子黄色素废水, 光催化, 生物处理

CLC Number:

X703

Peng Zhou,Jinxi Chu,Shuangqing Jia. Photocatalytic coupled biological method for deep treatment of gardenia yellow pigment production wastewater[J]. Industrial Water Treatment, 2020, 40(7): 91-93.

周鹏,楚金喜,贾双庆. 光催化与生物法耦合深度处理栀子黄色素生产废水[J]. 工业水处理, 2020, 40(7): 91-93.

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Figures/Tables 4

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