发明名称 |
METHOD FOR PREPARING HIGH ACTIVE PHOTOCATALYST AND METHOD FOR TREATING HYDROGEN SULFIDE USING THE HIGH ACTIVE PHOTOCATALYST |
摘要 |
A method for preparing a high active photocatalyst for generating sulfur and hydrogen from hydrogen sulfide, which comprises subjecting a metal sulfide such as zinc sulfide to an oxidation treatment in an oxidizing atmosphere or with a specific oxidizing agent; and a method for treating hydrogen sulfide using the high active photocatalyst, which comprises a hydrogen sulfide dissolving step of dissolving a hydrogen sulfide gas in, for example, an aqueous sodium hydroxide solution in a hydrogen sulfide dissolution vessel (1) to form a sodium sulfide solution, a hydrogen recovering step of adding the high active photocatalyst to the sodium sulfide solution in a photocatalyst reaction vessel (3), forming a hydrogen gas and a polysulfide ion through the irradiation with an ultra-violet ray, and recovering a hydrogen gas, and a sulfur recovering step of recovering sulfur from the polysulfide ion in a sulfur recovering vessel (5) and re-circulating the solution after the recovery of sulfur to the hydrogen sulfide dissolution vessel (1) for reusing the solution in the hydrogen sulfide dissolving step.
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申请公布号 |
WO02083308(A1) |
申请公布日期 |
2002.10.24 |
申请号 |
WO2002JP03353 |
申请日期 |
2002.04.03 |
申请人 |
JAPAN SCIENCE AND TECHNOLOGY CORPORATION;TOHJI, KAZUYUKI;KASUYA, ATSUO |
发明人 |
TOHJI, KAZUYUKI;KASUYA, ATSUO |
分类号 |
B01J27/04;B01J35/00;B01J35/02;B01J37/12;B01J37/14;C01B3/04;C01B17/04;C01B17/05;C01B17/06;(IPC1-7):B01J35/02 |
主分类号 |
B01J27/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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