STUDY ON THE RECOVERY OF HYDROGEN FROM PHOTOCATALYTIC DECOMPOSITION OF HYDROGEN SULFIDE

doi:10.7517/j.issn.1674-0475.1994.02.120

Imaging Science and Photochemistry ›› 1994, Vol. 12 ›› Issue (2): 120-125.DOI: 10.7517/j.issn.1674-0475.1994.02.120

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STUDY ON THE RECOVERY OF HYDROGEN FROM PHOTOCATALYTIC DECOMPOSITION OF HYDROGEN SULFIDE

ZHANG YI-HUA¹, TENG YU-MEI¹, ZENG XIAN-KANG¹, WANG HAN-HUI², YU JIA-YONG²

1. Chemical physics laboratory, East China University of Science and Technology, Shanghai 200237, P. R. China;
2. Institute of Photographic Chemistry, Academia Sinica, Beijing 100101, P. R. China

Received:1993-04-13 Revised:1993-09-06 Online:1994-05-20 Published:1994-05-20

Abstract

Abstract: The Photocatalytic cleavage of H₂S into H₂ was studied in a continuous flow systemand alkaline aqueous solution under the illumination of Xe-lamp.CdS,V₂O₅/TiO₂ andV₂O₅/Al₂O₃ were used as catalysts. The hydrogen amount was measured as a functionof the amount of NaOH in the aqueous solution and the irradiation time.The reactionmechanism of the photocatalytic decomposition of hydrogen sulfide was discussed.Theresults show that this continuous flow method is feasible and more near the practicalsituation in decomposition of hydrogen sulfide.

Key words: photocatalysis, photodecomposition, catalyst, semiconductor, hydrogen, hydrogen sulfide

ZHANG YI-HUA, TENG YU-MEI, ZENG XIAN-KANG, WANG HAN-HUI, YU JIA-YONG. STUDY ON THE RECOVERY OF HYDROGEN FROM PHOTOCATALYTIC DECOMPOSITION OF HYDROGEN SULFIDE[J]. Imaging Science and Photochemistry, 1994, 12(2): 120-125.

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STUDY ON THE RECOVERY OF HYDROGEN FROM PHOTOCATALYTIC DECOMPOSITION OF HYDROGEN SULFIDE

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