催化臭氧氧化处理难降解石化废水技术的研究进展

doi:10.16085/j.issn.1000-6613.2016.01.036

摘要/Abstract

摘要： 介绍了催化臭氧氧化的主要类别,分述了均相与非均相催化臭氧氧化在难降解石化废水方面的已有应用和催化机理,探讨了非均相催化臭氧氧化中活性炭的主要作用;简述了pH值、温度、臭氧和催化剂投加方式与投加量、催化剂体系等因素在非均相催化臭氧氧化中的影响规律。在已有研究的基础上,提出了将催化臭氧氧化与生化处理相结合的建议并佐证了其可行性;预测了催化臭氧氧化未来的研究方向;针对活性炭在催化臭氧氧化处理难降解石化废水中存在的问题,提出应加强对活性炭的改性研究,同时对某些工艺进行深入研究,全面掌握可能存在的问题,为完善催化臭氧氧化的机理作出努力。

关键词: 难降解石化废水, 催化臭氧氧化, 活性炭, 催化机理

Abstract: The major categories of catalytic ozonation have been introduced in this paper. The catalytic mechanisms and existing applications in refractory petrochemical wastewater of homogeneous catalytic ozonation and heterogeneous catalytic ozonation were described respectively. A brief analysis of catalytic mechanism and the main functions of activated carbon in heterogeneous catalytic ozonation were given. The effects of pH, temperature, catalyst system, dosage and the mode of dosage of ozone and catalyst were discussed respectively. On the basis of existing research, the combination of catalytic ozonation with biochemical treatment was proposed and its feasibility was proved. Intending research direction of catalytic ozonation was predicted. According to the problems in the treatment of refractory petrochemical wastewater by activated carbon in catalytic ozonation process, we should strengthen the research on the modification of activated carbon, meanwhile, a thorough study of some process should be carried out in order to obtain a comprehensive grasp of the possible problems. Finally, we should put an effort to improve and perfect the catalytic mechanism.

Key words: refractory petrochemical wastewater, catalytic ozonation, activated carbon, catalytic mechanism

中图分类号:

X703

白小霞, 杨庆, 丁昀, 魏巍, 丁洁, 钟莺莺. 催化臭氧氧化处理难降解石化废水技术的研究进展[J]. 化工进展, 2016, 35(01): 263-268.

BAI Xiaoxia, YANG Qing, DING Yun, WEI Wei, DING Jie, ZHONG Yingying. Research progress of catalytic ozonation process to treat refractory petrochemical wastewater[J]. Chemical Industry and Engineering Progree, 2016, 35(01): 263-268.

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