Characterization of reaction between ZnO and COS

Eiji Sasaoka; Kazuo Taniguchi; Md Azhar Uddin; Shigeru Hirano; Shigeaki Kasaoka; Yusaku Sakata

doi:10.1021/ie950370+

Characterization of reaction between ZnO and COS

Eiji Sasaoka, Kazuo Taniguchi, Md Azhar Uddin, Shigeru Hirano, Shigeaki Kasaoka, Yusaku Sakata

Institute for Global Human Resource Development

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

In order to understand the behavior of COS in a ZnO desulfurization reactor, the reaction between ZnO and COS was studied in the presence of gases which compose a coal-derived gas. The behavior of COS in the reaction zone of a ZnO packed bed can be predicted as follows: H₂S in coal-derived gas reacts more easily with ZnO than COS; most of COS is converted to H₂S by catalytic hydrolysis and then reacts with ZnO, although a part of COS may react directly with ZnO; H₂ accelerates the conversion of COS to H₂S; the water-gas shift reaction accelerates the reaction between ZnO and COS; and CO₂ does not affect the reaction.

Original language	English
Pages (from-to)	2389-2394
Number of pages	6
Journal	Industrial and Engineering Chemistry Research
Volume	35
Issue number	7
DOIs	https://doi.org/10.1021/ie950370+
Publication status	Published - Jul 1996

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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abstract = "In order to understand the behavior of COS in a ZnO desulfurization reactor, the reaction between ZnO and COS was studied in the presence of gases which compose a coal-derived gas. The behavior of COS in the reaction zone of a ZnO packed bed can be predicted as follows: H2S in coal-derived gas reacts more easily with ZnO than COS; most of COS is converted to H2S by catalytic hydrolysis and then reacts with ZnO, although a part of COS may react directly with ZnO; H2 accelerates the conversion of COS to H2S; the water-gas shift reaction accelerates the reaction between ZnO and COS; and CO2 does not affect the reaction.",

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AU - Sasaoka, Eiji

AU - Taniguchi, Kazuo

AU - Uddin, Md Azhar

AU - Hirano, Shigeru

AU - Kasaoka, Shigeaki

AU - Sakata, Yusaku

PY - 1996/7

Y1 - 1996/7

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AB - In order to understand the behavior of COS in a ZnO desulfurization reactor, the reaction between ZnO and COS was studied in the presence of gases which compose a coal-derived gas. The behavior of COS in the reaction zone of a ZnO packed bed can be predicted as follows: H2S in coal-derived gas reacts more easily with ZnO than COS; most of COS is converted to H2S by catalytic hydrolysis and then reacts with ZnO, although a part of COS may react directly with ZnO; H2 accelerates the conversion of COS to H2S; the water-gas shift reaction accelerates the reaction between ZnO and COS; and CO2 does not affect the reaction.

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