污水处理系统中PPCPs残留情况及强化处理技术  

Review on the residue levels of PPCPs in the sewage treatment and the corresponding intensified technologies

作　　者：安婧[1,2] 周启星[1,3] 

机构地区：[1]中国科学院沈阳应用生态研究所,中国科学院陆地生态过程重点实验室,沈阳110016 [2]中国科学院研究生院,北京100039 [3]南开大学环境科学与工程学院,天津300071

出　　处：《安全与环境学报》2009年第3期24-28,共5页Journal of Safety and Environment

基　　金：国家"973"项目(2004CB418503)

摘　　要：药品及个人护理用品(PPCPs)作为新提出的环境污染物近年来引起了极大的关注。由于人类长期大量使用PPCPs,使其不断地输入环境,导致它们在环境中的残留浓度日益增加。在众多来源中,污水处理厂是PPCPs进入环境的重要渠道。由于绝大部分污水处理厂不具备处理PPCPs的工艺,造成大量PPCPs残留于出水及处理构件的沉积底泥中。根据国内外近年来的相关报道,概述了PPCPs在污水处理厂内的残留情况。随着PPCPs所带来的环境问题的日益突出,越来越多的学者开展了关于PPCPs强化处理技术的研究。目前报道较多的有物理吸附法和化学氧化法,这些方法对某些特定的PPCPs取得了较好的降解效果,但是单一类型的方法并不能使性质各异的PPCPs全部降解。如何将多种方法更好的结合起来以发挥它们对不同种类PPCPs最大的去除作用是今后研究的重点。The paper is aimed to present a general review on the residue levels of the pharmaceuticals and personal care products （PPCPs） in the sewage treatment and the corresponding reinforced treating technologies. As is well known, extraordinarily diverse groups of chemicals are used as prescriptive and nonprescriptive drugs, veterinary medicines, human health and cosmetic care products, as well as insecticides on farming. Nevertheless, as emerging environmental pollutants, little has been done in the research in this way up to the late 1990s. In recent years, more and more researches concerning PPCPs have been presented due to their high residual concentration and their potential environmental hazards brought up to the environment. Treatment facilities, primarily those in sewage treatment plants, are supposed to play a key role in this way. Though the sewage treatment systems may have been exposed to many PPCPs for a number of years, there is still a lot of existing factors going contrarily to the effective removal of the pernicious substances brought about by STWs. For example, the residue concentrations of most drugs are so low that it is not likely to detect the lower limits for some enzyme affinities. In addition, numerous new PPCP have been introduced into the market each year, some of them never seen before by the microbiota of a STW. Therefore, quite a lot of PPCPs has been detected in the effluents and sediments of the STWs at various concentrations. The study on the degradation of PPCPs has recently become a new focus world wide. Newly introduced PPCPs treating technologies include chiefly the membrane filtration, activated sludge biological method, ozone oxidation, and the advanced oxidation processes such as photocatalytic oxidation and Fenton processes. To heighten the removal rate of PPCPs, some combined processes have been put into use, such as the photo-Fenton, eleetro-Fenton, and UV-ozonation. Though such newly adopted methods enjoy their own advantages in removing PPCPs, none of them can be said to

关 键 词：环境科学 药品及个人护理用品(PPCPs) 污水处理厂 残留浓度 处理技术 

分 类 号：X52[环境科学与工程—环境工程]