ICPB技术及其去除废水中多环芳烃的研究进展

doi:10.19965/j.cnki.iwt.2022-0818

摘要/Abstract

摘要：

多环芳烃（PAHs）是难降解有机污染物之一，如不妥善处理会对生态环境造成影响，严重威胁人类健康。光催化与生物降解紧密耦合（ICPB）技术集合了光催化与生物降解的优点，可提高对难降解污染物的去除率，降低中间产物毒性，具有操作简单、能耗低、处理效率高等优点。归纳了ICPB技术的技术原理、发展及其在去除废水中PAHs方面的应用，总结了不同类型PAHs在不同反应体系下可能的降解途径，提出了目前针对ICPB技术研究中仍未解决的科学问题，并对未来发展进行了展望。通过进一步研究ICPB技术的作用机制并加快新型光催化剂的研究、筛选获得对光催化环境适应性强的微生物，将有效拓展该技术在实际大规模废水处理中的应用前景。

关键词: 光催化与生物降解紧密耦合技术, 多环芳烃, 降解途径

Abstract:

Polycyclic aromatic hydrocarbons（PAHs） are one kind of refractory organic pollutants. PAHs can affect biological environment and seriously threat human health if they are not treated properly. Intimate coupling photocatalysis and biodegradation（ICPB） technology combines the advantages of photocatalysis and biodegradation，which can improve the removal rate of refractory pollutants and reduce the toxicity of intermediate products. ICPB technology also has the advantages of easy operation，low energy consumption and high treatment efficiency. The mechanism，development and applications of ICPB technology in PAHs removal were reviewed. The possible degradation pathways of different PAHs under different reaction systems were also summarized. The unsolved scientific issues about ICPB technology were proposed and the future development was prospected. By further studying the mechanism of ICPB technology，accelerating the research of new photocatalysts and selecting microorganisms with strong adaptability to the photocatalytic environment，the application prospect of this technology in actual large-scale wastewater treatment will be effectively expanded.

Key words: intimate coupling photocatalysis and biodegradation（ICPB） technology, polycyclic aromatic hydrocarbons（PAHs）, degradation pathway

中图分类号:

X703

穆雨彤, 曹浩然, 朱博文, 麦智源, 韩克强, 张军, 王素蕾, 张多英. ICPB技术及其去除废水中多环芳烃的研究进展[J]. 工业水处理, 2023, 43(10): 9-15.

Yutong MU, Haoran CAO, Bowen ZHU, Zhiyuan MAI, Keqiang HAN, Jun ZHANG, Sulei WANG, Duoying ZHANG. Research progress on ICPB technology and its application in removing polycyclic aromatic hydrocarbons from sewage[J]. Industrial Water Treatment, 2023, 43(10): 9-15.

https://www.iwt.cn/CN/Y2023/V43/I10/9

图/表 5

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目标降解物	材料组成	微生物	光源	目标污染物	降解效果	参考文献
酚类化合物	催化剂为TiO₂，载体为多孔陶瓷	活性污泥	紫外光（波长254 nm）	2，4-二硝基甲苯	60 h内2，4-二硝基甲苯降解率为78%	〔26〕
染料	催化剂为TiO₂，载体为聚氨酯海绵	活性污泥	紫外光（波长365 nm）	活性黑5	通过对载体的优化，提高了对活性黑5的光催化降解效率	〔27〕
染料	催化剂为TiO₂，载体为甘蔗渣纤维素海绵	活性污泥	紫外光（波长 254 nm）	亚甲基蓝	初始质量浓度为5 mg/L的亚甲基蓝6 h后脱除率为92.08%	〔28〕
染料	催化剂为g-C₃N₄-TiO₂（g-C₃N₄-P25），载体为海藻酸钙珠	光合细菌红螺菌属（Rhodospirillum）	卤素灯（波长 530 nm）	活性艳红X-3b	初始质量浓度为50 mg/L的活性艳红X-3b在96 h后的去除率为94%	〔29〕
抗生素类	催化剂为Ag修饰的单晶黑色TiO₂纳米片，载体为大孔聚氨酯泡沫	活性污泥	太阳光	头孢菌素	光照10 h头孢菌素降解率达96.1%	〔30〕
抗生素类	催化剂为BiOCl/Bi₂WO₆/Bi三元复合材料，载体为聚氨酯海绵	活性污泥	氙灯（300 W，波长420~800 nm）	盐酸四环素	10 h后盐酸四环素降解率可达97.2%	〔31〕

目标降解物	材料组成	微生物	光源	目标污染物	降解效果	参考文献
酚类化合物	催化剂为TiO₂，载体为多孔陶瓷	活性污泥	紫外光（波长254 nm）	2，4-二硝基甲苯	60 h内2，4-二硝基甲苯降解率为78%	〔26〕
染料	催化剂为TiO₂，载体为聚氨酯海绵	活性污泥	紫外光（波长365 nm）	活性黑5	通过对载体的优化，提高了对活性黑5的光催化降解效率	〔27〕
染料	催化剂为TiO₂，载体为甘蔗渣纤维素海绵	活性污泥	紫外光（波长 254 nm）	亚甲基蓝	初始质量浓度为5 mg/L的亚甲基蓝6 h后脱除率为92.08%	〔28〕
染料	催化剂为g-C₃N₄-TiO₂（g-C₃N₄-P25），载体为海藻酸钙珠	光合细菌红螺菌属（Rhodospirillum）	卤素灯（波长 530 nm）	活性艳红X-3b	初始质量浓度为50 mg/L的活性艳红X-3b在96 h后的去除率为94%	〔29〕
抗生素类	催化剂为Ag修饰的单晶黑色TiO₂纳米片，载体为大孔聚氨酯泡沫	活性污泥	太阳光	头孢菌素	光照10 h头孢菌素降解率达96.1%	〔30〕
抗生素类	催化剂为BiOCl/Bi₂WO₆/Bi三元复合材料，载体为聚氨酯海绵	活性污泥	氙灯（300 W，波长420~800 nm）	盐酸四环素	10 h后盐酸四环素降解率可达97.2%	〔31〕

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