Role of solvents on photocatalytic reduction of nitroarenes by sol-gel synthesized TiO2/zeolite-4A

被引：18
作者：
Challagulla, Swapna [1 ]
Nagarjuna, Ravikiran [1 ]
Ganesan, Ramakrishnan [1 ]
Roy, Sounak [1 ]
机构：
[1] Birla Inst Technol & Sci, Dept Chem, Hyderabad 500078, Andhra Pradesh, India
来源：
JOURNAL OF POROUS MATERIALS | 2015年 / 22卷 / 04期
关键词：
TiO2 supported zeolite; Photocatalytic reduction; Nitroarenes; Solvent role; REUSABLE CATALYST; DEGRADATION; 4-NITROPHENOL; HYDROGENATION; EFFICIENT; KINETICS; NITROPHENOL; OXIDATION; PHENOLS;
D O I：
10.1007/s10934-015-9985-x
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Photocatalytic valorization of harmful pollutants like nitroarenes to important intermediates like aminoarenes has been carried out with the help of TiO2 supported zeolite-4A catalyst, synthesized by polymerizable sol-gel route. A series of solvents such as water, primary and secondary alcohols have been studied for their role on photocatalytic reduction. The reduction of nitrobenzene has been found to be faster compared to that of 4-nitrophenol. The rate of reduction of nitrobenzene is independent of the type of alcohol, whereas the reduction rate of 4-nitrophenol is faster with primary alcohol compared to secondary alcohol. Reduction of 4-nitrophenol has been found to exhibit alcohol concentration dependency and the rate of reduction is dependent on initial concentration of substrate.
引用
收藏
页码：1105 / 1110
页数：6
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