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作 者:刘汝鹏 张震 孙翠珍[2] 王国秀 杨璐冰 吴震 LIU Rupeng;ZHANG Zhen;SUN Cuizhen;WANG Guoxiu;YANG Lubing;WU Zhen(Resources and Environment Innovation Institute,Shandong Jianzhu University,Jinan 250101,Shandong,China;School of Municipal&Environmental Engineering,Shandong Jianzhu University,Jinan 250101,Shandong,China)
机构地区:[1]山东建筑大学资源与环境创新研究院,山东济南250101 [2]山东建筑大学市政与环境工程学院,山东济南250101
出 处:《精细化工》2022年第3期469-479,495,共12页Fine Chemicals
基 金:山东省住房和城乡建设厅研究开发项目(1606989649015)。
摘 要:药物和个人护理用品(PPCPs)是一类新兴的有机污染物,与常见的污染物相比,在水环境中浓度很低,但化学结构复杂,种类多,性质差异大,具有毒性,常规处理技术很难完全去除。非均相催化臭氧化技术具有固相催化剂可回收重复利用、二次污染少的优点,已在PPCPs领域得到广泛关注。总结了非均相催化臭氧化技术降解PPCPs时常遵循的表面反应机理、自由基反应机理、协同反应机理;进一步阐释了自由基反应机理中的4种途径;简要介绍了不同因素对PPCPs降解的影响,总结了非均相催化臭氧化在PPCPs治理领域的应用进展;提出了非均相催化臭氧化技术存在的问题,展望了其未来研究方向及应用前景。Pharmaceuticals and personal care products(PPCPs)are a new type of organic pollutants.Compared with common pollutants,PPCPs have a low concentration in the aquatic environment but a complex chemical structure,various types,large difference in properties,and toxicity.Conventional treatment techniques are difficult to completely remove them.Heterogeneous catalytic ozonation technology has been widely concerned in the PPCPs field because of its advantages of recycling and reuse of solid phase catalyst and less secondary pollution.The surface reaction mechanism,free radical reaction mechanism and synergistic reaction mechanism of heterogeneous catalytic ozonation technology for degradation of PPCPs are summarized.The four ways in the free radical reaction mechanism are further explained.The effects of different factors on the degradation of PPCPs are briefly introduced,and the application progress of heterogeneous catalytic ozonation in the treatment of PPCPs is reviewed.The problems existing in heterogeneous catalytic ozonation technology pointed out and its future research direction and application prospect are forecasted.
关 键 词:催化臭氧化 非均相催化 药物和个人护理品 催化机理 因素
分 类 号:X703[环境科学与工程—环境工程] O643.3[理学—物理化学]
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