[특허]Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur wh

Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur wh 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/34 C01B-017/04
출원번호	US-0549576 (1975-02-13)
발명자 / 주소	Meuly Walter C. (Piscataway Township Middlesex County NJ)
출원인 / 주소	Rhodia, Inc. (New York NY 02)
인용정보	피인용 횟수 : 60 인용 특허 : 0

초록 ▼

A process is provided for removing hydrogen sulfide and alkyl mercaptans from gaseous streams. The hydrogen sulfide is oxidized catalytically to sulfur, substantially without formation of sulfur oxides, in the presence of a metal chelate catalyst solution and a soluble alkali metal or alkaline earth metal or ammonium or amine salt of an acid having a pK within the range from about 1.2 to about 6. The alkyl mercaptans are oxidized to dialkyl disulfides under the same conditions.

대표청구항 ▼

A cyclic process for the removal of hydrogen sulfide and alkyl mercaptans contained in gaseous streams, and the substantially quantitative catalytic conversion thereof to elemental sulfur and dialkyl disulfides, respectively, while inhibiting the formation of acidic sulfur oxides, which comprises contacting the gaseous stream with an aqueous solution consisting essentially of a water-soluble polyvalent metal chelate catalyst retaining the metal in soluble form in the aqueous solution and having a pH within the range from about 3 to about 11, the chelate catalyst comprising a chelating amino acid selected from the group consisting of: (A)3n －N －(X)n, I wherein n is a number from 1 to 3; X is selected from the class consisting of acetic and propionic acid groups; A is 2-hydroxy ethyl, 2-hydroxy propyl, or an alkyl group having from one to about four carbon atoms. [Figure] II. wherein from two to four of the groups X are selected from the class consisting of acetic and propionic acid groups; from zero to two of the groups X are selected from the class consisting of 2-hydroxy ethyl, 2-hydroxy propyl, and [Figure] R is ethylene, propylene or isopropylene or alternatively cyclohexane or benzene where the two hydrogen atoms replaced by nitrogen are in the 1,2-position; and an alkali metal, alkaline earth metal, ammonium or amine salt of an acid other than the chelating amino acid having a pK within the range from about 1.2 to about 6 in an amount within the range from 1 to 14 equivalents calculated as Fe equivalents; contacting aqueous polyvalent metal chelate catalyst solution with free oxygen gas to regenerate the catalyst for contact with another portion of the gaseous stream; and separating the sulfur and any dialkyl disulfides from the aqueous metal chelate solution.

이 특허를 인용한 특허 (60)

Naraghi Ali R. (Missouri City TX), Chelate catalyst system for H₂S removal from a gas stream.
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Stewart Robert C. (Tulsa OK), Composition and method for removing hydrogen sulfide from gas streams.
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Olson Donald C. (Houston TX) Miller ; deceased John J. (late of Houston TX) Miller ; executor Wayne R. (Omaha NE) Blytas George C. (Houston TX) Diaz Zaida (Houston TX), Composition for H₂S removal.
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Peter Siegfried (Lindenweg 3 D-8525 Uttenreuth DEX) Haertel Georg (Westtorgraben 9 D-8500 Nuernberg DEX), Decontamination of gases by scrubbing.
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Bedell Stephen A. (Lake Jackson TX), Drilling geothermal wells with removal of H₂S.
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Blytas George C. (Houston TX), Extraction process.
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Blytas George C. (Houston TX) Diaz Zaida (Houston TX), Froth process.
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Kittle,Paul A., Gas recovery from landfills using aqueous foam.
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Byers Dallas L. (Katy TX), Gas treating process and composition.
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Sharp Spencer G. (Fairfax CA), H₂S Abatement process.
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Diaz Zaida (Houston TX), H₂S Removal from gas streams.
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Diaz Zaida (Houston TX), H₂S Removal process.
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Diaz Zaida (Houston TX), H₂S Removal.
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Olson Donald C. (Houston TX) Miller ; deceased John J. (late of Houston TX by Wayne R. Miller ; executor), H₂S removal process and composition.
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McManus Derek (Palatine IL) Kin Frederick R. (Park Forest IL), Hydrogen sulfide removal.
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Jones Timothy A. (Dallas TX) Snavely ; Jr. Earl S. (Arlington TX), In-line injection of alkaline absorbant to remove H₂S.
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Smith James W. (Toronto CAX) Ellenor David T. R. (Pickering CAX) Harbinson John N. (Scarborough CAX), Method for effecting gas-liquid contact.
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Klee ; Jr. Howard W. (Naperville IL), Method for removal of hydrogen sulfide.
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Mazgarov Akhmet M. (Kazan RUX) Fakhriev Akhmatfail M. (Kazan RUX) Khafizov Rais N. (Kazan RUX) Kashevarov Leonid A. (Kazan RUX) Alimov Mikhail P. (Kazan RUX), Method for removal of hydrogen sulfide from gases.
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Gowdy Hugh W. (Irvine CA) Fenton Donald M. (Anaheim CA), Method for removing hydrogen sulfide from gas streams.
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Gowdy Hugh W. (Irvine CA) Fenton Donald M. (Anaheim CA), Method for removing hydrogen sulfide from gas streams.
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Robert J. Ferrell ; Thulasidas Chellppannair ; James K. Tseng, Method for treating spent caustic streams.
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Shafer Ronald E. (Overland Park KS), Method of removing H₂S from a gas stream utilizing boron-vanadium and iron complexes.
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Lutz Eugene F. (Houston TX), Method of removing hydrogen sulfide and carbon dioxide from gases.
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Blytas George C. (Houston TX) Diaz Zaida (Houston TX), Method of removing hydrogen sulfide from gases.
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Chou Charles C. (Houston TX), Method of removing hydrogen sulfide from gases.
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Diaz Zaida (Houston TX), Method of removing hydrogen sulfide from gases utilizing a stabilized chelate solution.
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Diaz, Zaida, Method of removing hydrogen sulfide from gases utilizing a stabilized iron chelate solution.
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Blytas George C. (Houston TX), Method of removing hydrogen sulfide from gases utilizing a stabilized metal chelate solution.
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Primack Harold S. (Skokie IL) Reedy Dom E. (Shreveport LA) Kin Frederick R. (Park Forest IL), Method of stabilizing chelated polyvalent metal solutions.
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Lynn Scott (Walnut Creek CA) Dubs Bernard J. (Berre l\Etang FRX), Oxidative removal of hydrogen sulfide from gaseous streams.
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Olson Donald C. (Houston TX) Miller ; deceased John J. (late of Houston TX) Miller ; executor Wayne R. (Ohama NE) Blytas George C. (Houston TX) Diaz Zaida (Houston TX), Process and composition for H₂S removal.
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Allison Joe D. (Ponca City OK) Thomas Sally A. (Ponca City OK) Yang ; deceased Kang (late of Ponca City OK by Kumsu Yang ; executrix), Process for converting sulfide ion to innocuous, solubile sulfur species.
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Jones Timothy A. (Carrollton TX) Snavely ; Jr. Earl S. (Arlington TX), Process for oxidizing multivalent metals.
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Nisula Scott P. (Alameda CA) O\Callaghan Christopher P. (San Rafael CA), Process for removal of hydrogen sulfide from gaseous stream.
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Chou Charles C. (Houston TX) Olson Donald C. (Houston TX), Process for sorption and catalytic oxidation of sulfides in water.
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Blytas, George C., Process for the conversion of H.sub.2 S and adjustment of the H.sub.2 /CO ratio in gaseous streams containing hydrogen sulfide, hydrogen, and carbon monoxide.
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Blytas, George C., Process for the removal of H.sub.2 S and adjustment of the H.sub.2 /CO ratio in gaseous streams containing hydrogen sulfide, carbon monoxide, and hydrogen.
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Diaz Zaida (Houston TX), Process for the removal of H₂S and CO₂ from gaseous streams.
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Lampton ; Jr. Robert D. (Lake Jackson TX) Hopkins ; II Thomas M. (Lake Jackson TX), Process for the removal of H₂S from geothermal steam and the conversion to sulfur using ferric chelate and.
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Blytas George C. (Houston TX) Diaz Zaida (Houston TX), Process for the removal of acid gases from gaseous streams.
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Smith James W.,CAX ; Ellenor David Todd R.,CAX ; Harbinson John N.,CAX, Process for the removal of hydrogen sulfide from a gas stream.
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Blytas George C. (Houston TX), Process for the removal of oxalate ion from gas treating solutions.
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Snavely ; Jr. Earl S. (Arlington TX) Jones Timothy A. (Carrollton TX), Process for the selective removal of hydrogen sulfide from gaseous streams.
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Hosseini Jenab, Masih; Neshati, Jaber; Forsat, Khaled, Redox gas sweetening solutions.
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Olson, Donald C., Removal of H.sub.2 S from gaseous streams.
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Diaz Zaida (Houston TX), Removal of H₂S from gaseous streams.
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Klecka Miro E. (Houston TX), Removal of H₂S from sour gas streams with subsequent sulfur separation.
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Jeffrey, Gaines C.; Cooper, Lance A.; Whipple, Sharon S., Removal of hydrogen sulfide from fluid streams with minimum production of solids.
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Kent Van A. (Lake Jackson TX) Behr William R. (Lake Jackson TX) Kirby Larry H. (Lake Jackson TX), Removal of hydrogen sulfide from fluid streams with minimum production of solids.
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Smith James W. (Toronto CAX) Barton Robert A. (Downsview CAX) Knight ; deceased Cyril H. (late of Kleinburg CAX by Leslie James), Removal of hydrogen sulphide from gaseous streams.
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Blytas George C. (Houston TX), Removal of oxalate ion from gas treating solutions.
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Bedell Stephen A. (Lake Jackson TX), Stabilized chelating agents for removing hydrogen sulfide.
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Blytas George C. (Houston TX) Diaz Zaida (Houston TX), Sulfur process.
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Diaz Zaida (Houston TX), Sulfur recovery process.
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Prim, Eric; Baker, Naomi, Sulfur refining process.
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Klecka Miro E. (Houston TX), Sulfur separation process.
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Stas Georges (Ottignies BEX) Biver Christian (L-Hagen LUX), Treatment of gases containing organic sulphur compounds.
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Stas Georges (Ottignies BEX) Biver Christian (L-Hagen LUX), Treatment of waste water containing organic sulphur compounds.
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Siebert Gerald H. (4802 Black Rd. Monclova OH 43542), Water treatment method.
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Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur wh 원문보기

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Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur wh 원문보기

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