光降解
光催化
化学
壳聚糖
甲基橙
核化学
复合数
废水
可重用性
降级(电信)
刚果红
吸附
有机化学
废物管理
材料科学
催化作用
复合材料
电信
计算机科学
程序设计语言
软件
工程类
作者
Ranjita Das,Anu Kumar,Atul V. Wankhade,Dilip Peshwe
标识
DOI:10.1016/j.carbpol.2021.118940
摘要
Emerging contaminants (ECs) are often detected in water bodies due to their prevalent use combined with inefficiency of the conventional wastewater treatment plants for their complete removal. Elimination of ECs using photocatalysis as a tertiary treatment can be a sustainable option for the reuse wastewater. Reported herewith is a photocatalyst, chitosan-based zirconia hybrid composite (ZrO2CTS-HC) for the individual/ simultaneous degradation of multiple ECs like Congo red (CR), Methyl orange (MO) and 4-hydroxybenzoic acid (4-HA) under visible light irradiation. Successfully synthesized ZrO2CTS-HC as confirmed by theoretical and various characterization techniques depicted photodegradation efficiency of 91.11, 69.11 and 78.40% for CR, MO and 4-HA respectively (SD 0.5-0.95; HPLC) aided by the reactive hydroxyl radical. Probable degradation mechanism supported by LC-MS/MS, COD and TOC along with reusability and antibacterial ability towards E.Coli & S.aureus is also reported. ZrO2CTS-HC can be a good option for elimination of residual ECs during tertiary treatment.
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