The removal of estrogenic activity with UV/chlorine technology and identification of novel estrogenic disinfection by-products

Journal of Hazardous Materials
Man LiYun Lu

Abstract

As a recently developed disinfection technology, ultraviolet (UV)/chlorine treatment has received much attention. Many studies have evaluated its effects on pathogen inactivation, contaminant removal, and formation of disinfection by-products (DBPs), but its potential for environmental estrogen removal and estrogenic DBP generation, which can also be a risk to both ecosystem and human health, have not been evaluated. In this study, UV/chlorine treatment resulted in a greater removal of estrogenic activity in synthetic effluent samples containing 17β-estradiol (E2) than did UV or chlorine treatment alone regardless of the water quality. For both the UV/chlorine and chlorine treatments, there was significant interference from NH3-N, although the UV/chlorine treatment was less affected. Estrogen receptor based affinity chromatography was used to isolate the specific estrogenic DBPs, and a novel product, with high estrogenic activity compared to E2, Δ9(11)-dehydro-estradiol, was identified. It was generated by all three treatments, and might be previously mistakenly recognized as estrone (E1). This study demonstrated that UV/chlorine is a better treatment for the removal of 17β-estradiol than chlorine and UV alone. The new identifi...Continue Reading

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Citations

Feb 14, 2019·Environmental Science and Pollution Research International·Weiwei YuMinne Zhang
Apr 9, 2020·Environmental Science and Pollution Research International·Taise PerondiTiciane Sauer Pokrywiecki
Jun 20, 2018·International Journal of Environmental Research and Public Health·Eduard RottRalf Minke
Jan 30, 2020·Applied Microbiology and Biotechnology·Amit PratushZhong Hu
Feb 2, 2021·Environmental Science & Technology·Weiqiu ZhangJohn Crittenden
Mar 27, 2021·The Science of the Total Environment·Zainab SyedAkhilendra Bhushan Gupta
Jul 18, 2020·Ecotoxicology and Environmental Safety·André Luís de Sá SalomãoMarcia Marques
Aug 25, 2021·The Science of the Total Environment·Muhammad BilalHafiz M N Iqbal

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