期刊
TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY
卷 95, 期 9, 页码 1484-1498出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02772248.2014.892109
关键词
photocatalysis; reusability; Sunset Yellow; ZnS-loaded TiO2; UV light
资金
- UGC, New Delhi, India [41-288/2012 (SR)]
ZnS-loaded TiO2 (ZnS-TiO2) was synthesized by a sol-gel method. The catalyst was characterized by using different techniques (XRD, HR-SEM, EDS, DRS, PL, XPS, and BET methods). The photocatalytic activity of ZnS-TiO2 was investigated for the degradation of Sunset Yellow FCF (SY) dye in an aqueous solution using ultraviolet light. ZnS-TiO2 is found to be more efficient than prepared TiO2, TiO2-P25, TiO2 (Merck), and ZnS at pH 7 for the mineralization of SY. The effects of operational parameters such as the amount of photocatalyst, dye concentration, and initial pH on photo mineralization of SY have been analyzed. The mineralization of SY has been confirmed by chemical oxygen demand measurements. The catalyst is found to be reusable.
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