[특허]Method for removing hydrogen sulfide from gas streams

[미국특허] Method for removing hydrogen sulfide from gas streams 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C01B-017/05
출원번호	US-0233888 (1981-02-12)
발명자 / 주소	Gowdy Hugh W. (Irvine CA) Fenton Donald M. (Anaheim CA)
출원인 / 주소	Union Oil Company of California (Brea CA 02)
인용정보	피인용 횟수 : 10 인용 특허 : 13

초록 ▼

A hydrogen sulfide removal and conversion method in which a hydrogen sulfide-containing gas stream is contacted with a regenerable washing solution containing solubilized vanadium thiocyanate ions, a carboxylate complexing agent and one or more water-soluble quinones capable of solubilizing tetravalent vanadium. The molar ratio of vanadium to quinone(s) in the washing solution is selected to substantially reduce or eliminate the formation of contaminant sulfate salts. The absorbed hydrogen sulfide is converted to elemental sulfur which, after oxidative regeneration of the washing solution, is separated from the regenerated solution.

대표청구항 ▼

A method for removing hydrogen sulfide from a hydrogen sulfide-containing gas stream and converting said hydrogen sulfide to elemental sulfur, which comprises: (a) contacting said gas stream with a regenerable quinone-containing washing solution so as to absorb said hydrogen sulfide into said washing solution, the washing solution introduced into contact with said gas stream comprising an aqueous solution having a pH between about 5 and about 10 and containing (1) solubilized vanadium, (2) one or more water-soluble quinones, (3) thiocyanate ions and (4) a water-soluble carboxylate complexing agent, said washing solution having a selected molar ratio of said vanadium to said quinones above about 15, said molar ratio being selected to substantially reduce the formation of contaminant sulfate salts; (b) allowing the absorbed hydrogen sulfide to react with constituents of said washing solution so as to convert said absorbed hydrogen sulfide substantially exclusively to elemental sulfur; (c) oxidatively regenerating the washing solution from step (b) so as to form a regenerated washing solution; and (d) separating said elemental sulfur from said washing solution.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Sonoda Takezo (Himeji JA) Nakano Masao (Hyogo JA) Okane Michito (Himeji JA) Suzuki Hideo (Himeji JA), Desulfurization process for hydrogen sulfide-containing gases.
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Hasebe Nobuyasu (No. 24-8 ; 2-chome ; Nishiogi-kita Suginami ; Tokyo JA), Desulfurizing process for hydrogen sulfide-containing gases.
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Nicklin Thomas (Bamford EN) Hughes Dorothy (Manchester EN), Method of removing hydrogen sulfide from gases and liquids.
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Frame Robert R. (Glenview IL), Oxidation of sulfur-containing compounds.
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Sakai Katsuya (Yokohama JPX) Mita Ryuichi (Kawasaki JPX) Kato Toshio (Kawasaki JPX) Higuchi Chojiro (Kamakura JPX) Murakami Hisamichi (Yokohama JPX), Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same.
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Espenscheid Wilton F. (Princeton NJ) Yan Tsoung-Yuan (Trenton NJ), Process for removing hydrogen sulfide from contaminated gas.
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Meuly Walter C. (Piscataway Township ; Middlesex County NJ), Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur wh.
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Fenton ; Donald M. ; Woertz ; Byron B., Process for the treatment of hydrogen sulfide gas streams.
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Fenton Donald M. (Anaheim CA) Vaell Raoul P. (Los Angeles CA), Reducing the consumption of anthraquinone disulfonate in Stretford solutions.
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Fenton Donald M. (Anaheim CA) Vaell Raoul P. (Los Angeles CA), Reducing the consumption of anthraquinone disulfonate in Stretford solutions using thiocyanate ion precursors.
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Fenton Donald M. (Anaheim CA) Vaell Raoul P. (Los Angeles CA), Reducing the consumption of anthraquinone disulfonate in stretford solutions.
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Fenton Donald M. (Anaheim CA) Vaell Raoul P. (Los Angeles CA), Reducing the consumption of anthraquinone disulfonate in stretford solutions.
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Sano ; Masaru ; Kashima ; Koji, Treatment of gas containing hydrogen sulfide.
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이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

Weber Guenter (Linden DEX), Carbonate ion control to prevent losses of vanadium in oxidation of hydrogen sulfide.
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Hass Robert H. (Fullerton CA), Gas treating process.
상세보기
McManus Derek (Palatine IL) Kin Frederick R. (Park Forest IL), Hydrogen sulfide removal.
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Harmon, Marlea; Brinkman, Ronald C., Method for increasing the lifetime of stretford solution.
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Diaz, Zaida, Method of removing hydrogen sulfide from gases utilizing a stabilized iron chelate solution.
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Reichert Gnther (Cologne DEX) Wegner Christian (Cologne DEX), Process for removing hydrogen sulphide using metal compounds.
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Prim, Eric; Baker, Naomi, Sulfur refining process.
상세보기
Weber, Gunter, Thiocyanate to prevent the formation of thiosulfate in the oxidation of hydrogen sulfide.
상세보기
Seth, Kushal; Lascano, Jenifer C.; Hines, Larry G., Treating and recylcing oilfield waste water.
상세보기
Ramachandran, Sunder; Jovancicevic, Vladimir; Tsang, Ying H.; Squicciarini, Michael P.; Prince, Philippe; Yang, Jianzhong; Cattanach, Kyle C., Water-based formulation of H2S/mercaptan scavenger for fluids in oilfield and refinery applications.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method for removing hydrogen sulfide from gas streams 원문보기