期刊
JOURNAL OF ENVIRONMENTAL MANAGEMENT
卷 181, 期 -, 页码 674-680出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2016.08.039
关键词
Photocatalysis; Hydrogen sulphide splitting; Hydrogen; Vermiculate material; Gas-phase
资金
- CPEES (Centre with Potential for Excellence in Environmental Sciences) funded R&D Project Recovery of Hydrogen and other Useful products from Industrial Waste Gases - University Grant Commission (UGC) Scheme [1-9/2004(NS/PE)]
Hydrogen production by gas-phase photocatalytic splitting of Hydrogen Sulphide (H2S) was investigated on four semiconductor photocatalysts including CuGa1.6Fe0.4O2, ZnFe2O3, (CdS ZnS)/Fe2O3 and Ce/TiO2. The CdS and ZnS coated core shell particles (CdS ZnS)/Fe2O3 shows the highest rate of hydrogen (H-2) production under optimized conditions. Packed bed tubular reactor was used to study the performance of prepared photocatalysts. Selection of the best packing material is a key for maximum removal efficiency. Cheap, lightweight and easily adsorbing vermiculate materials were used as a novel packing material and were found to be effective in splitting H2S. Effect of various operating parameters like flow rate, sulphide concentration, catalyst dosage, light irradiation were tested and optimized for maximum H-2 conversion of 92% from industrial waste H2S. (C) 2016 Elsevier Ltd. All rights reserved.
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