Ozone regeneration of granular activated carbon for trihalomethane control

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• 作者：Xuexiang He^a ; ^{xuexiang.he@lvvwd.com} ; Mark Elkouz^b ; Mandu Inyang^a ; Eric Dickenson^a ; Eric C. Wert^a ; ^{eric.wert@snwa.com}
• 关键词：Granular activated carbon (GAC) ; Regeneration ; Ozone ; Silver ; Trihalomethanes (THMs)
• 刊名：Journal of Hazardous Materials
• 出版年：2017
• 出版时间：15 March 2017
• 年：2017
• 卷：326
• 期：Complete
• 页码：101-109
• 全文大小：1078 K
• 卷排序：326

文摘

Thermally regenerated GAC showed the best recovery in DOC adsorption. F400, TiO2- and Ag-GAC exhibited preferential adsorption for hydrophobic Br-THMs. Greater adsorption recovery was observed for Br-THMs than Cl-THMs. Free chlorine were completely decomposed before and after all GAC regeneration. Ag-GAC showed a strong anti-microbial activity recovery after ozone regeneration.