Experimental research on the pretreatment of clindamycin wastewater by O3/H2O2 oxidation

doi:10.11894/1005-829x.2014.34(4).037

Abstract

Abstract:

Clindamycin wastewater has been pretreated by O₃/H₂O₂ process. Its oxygen uptake rate(OUR) has been used for evaluating the biodegradability of the treated wastewater. The effects of influential factors,such as amount of substance ratio of O₃ and H₂O₂,pH,hydroxyl radical inhibitors etc. on the improvement of biodegradability of clindamycin wastewater by O₃/H₂O₂ oxidation process are investigated. The results show that O₃/H₂O₂ has greatly improved the wastewater biodegradability. Under the following conditions:n(H₂O₂): n(O₃) is 0.9,and solution pH=10.5,OUR of the pretreated water could be increased from 0 to 0.45 mg/(g·min). In addition,it is indicated that hydroxyl radicals are the main factor in the process of O₃/H₂O₂ pretreatment.

Key words: clindamycin, wastewater treatment, ozone oxidation

摘要：

以微生物的耗氧呼吸速率（OUR）为指标，从废水的可生化性出发，考察了O₃与H₂O₂物质的量比、pH和羟基自由基抑制剂等因素对O₃/H₂O₂氧化工艺提高克林霉素废水可生化性的影响。研究结果表明：O₃/H₂O₂氧化工艺极大地提高了废水的可生化性，在n（H₂O₂）：n（O₃）为0.9、溶液pH为10.5 的条件下，废水OUR能够从0升高到0.45 mg/（g·min），同时还证实在O₃/H₂O₂氧化过程中主要是羟基自由基发挥作用。

关键词: 克林霉素, 废水处理, 臭氧氧化

CLC Number:

X703

Liu Yue, Gong Weijin. Experimental research on the pretreatment of clindamycin wastewater by O₃/H₂O₂ oxidation[J]. INDUSTRIAL WATER TREATMENT, 2014, 34(4): 37-39.

刘玥, 龚为进. O₃/H₂O₂氧化预处理克林霉素废水的实验研究[J]. 工业水处理, 2014, 34(4): 37-39.

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URL: https://www.iwt.cn/EN/10.11894/1005-829x.2014.34(4).037

https://www.iwt.cn/EN/Y2014/V34/I4/37

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Experimental research on the pretreatment of clindamycin wastewater by O₃/H₂O₂ oxidation

O₃/H₂O₂氧化预处理克林霉素废水的实验研究

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