KR880008827A - Treatment of the gas stream - Google Patents

Treatment of the gas stream Download PDF

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KR880008827A
KR880008827A KR1019880000773A KR880000773A KR880008827A KR 880008827 A KR880008827 A KR 880008827A KR 1019880000773 A KR1019880000773 A KR 1019880000773A KR 880000773 A KR880000773 A KR 880000773A KR 880008827 A KR880008827 A KR 880008827A
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hydrogen sulfide
sulfur
aforementioned
zone
combustion zone
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KR1019880000773A
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KR960008940B1 (en
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윌리암 왓손 리차드
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원본미기재
더 비오씨 그룹 퍼블릭 리미티드 캄파니
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/02Preparation of sulfur; Purification
    • C01B17/04Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/52Hydrogen sulfide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/02Preparation of sulfur; Purification
    • C01B17/04Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C01B17/0413Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the combustion step
    • C01B17/0421Multistage combustion

Abstract

내용 없음.No content.

Description

가스 스트림의 처리Treatment of the gas stream

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 방법을 실시하는 하나의 공장을 설명하는 개략도.1 is a schematic diagram illustrating one plant for implementing the method according to the invention.

Claims (13)

황화수소를 포함하는 공급가스 스트림으로부터 유황을 회수하는 방법에 있어서, 주 스트림 및 소스트림으로 공급가스를 분활하고, 제1연소 대역에서 부스트림의 황화수소 함유량의 최소한 50%를 태우고 다음 이 부스트림을 냉각시키고, 제2연소대역에서 주스트림의 황화수소 함유량의 3분의 1이하를 태워서 이산화유황과 물증기를 형성하고, 제2연소대역에 산소-농후가스(최소한 80용적%의 산소를 유지하는)를 공급하여 주스트림에든 황화수소의 연소를 돕고 전술한 제2연소대역과 연관된 열반응대역에서 이렇게 형성된 이산화유황을 황화수소와 반응시켜 유황증기와 물증기를 형성하고, 수득되는 가스혼합물로 부터 전술한 유황증기를 추출하고, 그리고 가스혼합물에 잔유하는 황화수소를 잔유하는 이산화유황과 반응시켜 추가의 유황증기와 물증기를 형성하고 그리고 추가의 유황증기를 추출하는 것을 포함하며, 여기서 냉각된 부스트림의 한 부분을 제2연소대역 또는 이와 관련된 열대역(또는 둘 모두)에 주입하고 냉각된 브스트림의 또다른 부분은 제1연소대역으로 재순환시켜 그속의 온도를 조절하고, 그리고 소 및 주스트림의 전체 황화수소 함량의 약 3분의 1을 태워서 이산화유황 및 물증기를 형성하는 바와 황화수소를 포함하는 공급가스 스트림으로 부터 유황을 회수하는 방법.A method for recovering sulfur from a feed gas stream comprising hydrogen sulfide, comprising: splitting the feed gas into a main stream and a small stream, burning at least 50% of the hydrogen sulfide content of the substream in the first combustion zone and then cooling the substream Burn less than one-third of the hydrogen sulfide content of the main stream in the second combustion zone to form sulfur dioxide and water vapor, and supply oxygen-rich gas (maintaining at least 80% by volume oxygen) to the second combustion zone. To help the combustion of hydrogen sulfide in the main stream and to react the sulfur dioxide so formed in the thermal reaction zone associated with the second combustion zone described above with hydrogen sulfide to form sulfur vapor and water vapor, and to extract the aforementioned sulfur vapor from the gas mixture obtained. And further sulfur vapor and water vapor by reacting the hydrogen sulfide remaining in the gas mixture with sulfur dioxide remaining. And extracting additional sulfur vapors, wherein a portion of the cooled substream is injected into the second combustion zone or the associated tropical zone (or both) and another portion of the cooled stream Recycle to the first combustion zone to control the temperature therein, and burn about one third of the total hydrogen sulphide content of the bovine and main stream to form sulfur dioxide and water vapor and to remove sulfur from the feed gas stream containing hydrogen sulfide. How to recover. 제1항에 있어서, 부스트림의 실질적인 전체 황화수소 함유량을 태워서 이산화유황과 물증기를 형성시키는 바의 유황회수 방법.The method of claim 1 wherein the substream substantially burns substantially the entire hydrogen sulfide content to form sulfur dioxide and water vapor. 제1항 또는 제2항에 있어서, 산소-농후가스가 순수한 산소인, 유황회수 방법.The sulfur recovery method according to claim 1 or 2, wherein the oxygen-rich gas is pure oxygen. 전술한 항들중 어느 한항에 있어서, 공급가스 스트림이 60용적%이상의 황화수소를 포함하는 유황 회수방법.The method of any one of the preceding claims, wherein the feed gas stream comprises at least 60 volume percent hydrogen sulfide. 제4항에 있어서, 공급가스 스트림이 최소한 70용적%의 황화수소를 포함하는 유황회수 방법.5. The method of claim 4, wherein the feed gas stream comprises at least 70 volume percent hydrogen sulfide. 제1항내지 제5항중 어느 한항에 있어서, 제2연소대역속으로 냉각된 부스트림과 산소-농후가스 이외에 다른 유체는 주입하지 않는 유황회수 방법.The method of any of claims 1 to 5, wherein no fluid other than the substream and oxygen-rich gas cooled into the second combustion zone is injected. 전술한 항들중 어느 한항에 있어서, 제1대역에 공급되고 분자상 산소를 포함하는 가스나 가스혼합물을 부스트림의 연소를 돕는데 사용하고, 분자상 산소의 양을 황화수소를 완진연소시키는데 필요한 양의 90 내지 100%범위내에 있는 유황회수 방법.The method according to any one of the preceding claims, wherein a gas or gas mixture supplied to the first zone and containing molecular oxygen is used to assist in the combustion of the substream, and the amount of molecular oxygen is 90% of the amount necessary for complete combustion of hydrogen sulfide. Sulfur recovery method in the range of 100% to 100%. 제7항에 있어서, 냉각된 가스혼합물의 전술한 일부를 제2연소대역에서 있는 최소한 하나의 화염의 고온 영역속으로 주입하는 유황회수 방법.8. The method of claim 7, wherein the aforementioned portion of the cooled gas mixture is injected into the hot zone of at least one flame in the second combustion zone. 제8항에 있어서, 냉각된 가스혼합물의 전술한 일부를 전술한 고온영역으로 주입되는 전술한 주스트림상류와 혼합시키는, 유황회수 방법.9. The method of claim 8, wherein the aforementioned portion of the cooled gas mixture is mixed with the aforementioned main stream upstream injected into the aforementioned high temperature zone. 전술한 항들중 어느 한항에 있어서, 공급가스 스트링의 8내지 15용적%를 소스트림을 형성하는데 사용하고 공급가스 스트림의 그 나머지를 주스트림을 형성하는데 사용하는 유황회수 방법.The process of any of the preceding claims, wherein 8-15% by volume of the feed gas string is used to form the small stream and the remainder of the feed gas stream is used to form the main stream. 전술한 항들중 어느 한항에 있어서, 전술한 추가의 유황증기를 황화수소와 이산화유황간의 반응을 위한 촉매에 형성시키는 유황회수 방법.The method of any one of the preceding claims, wherein the further sulfur vapors described above are formed in a catalyst for the reaction between hydrogen sulfide and sulfur dioxide. 황화수소를 포함하는 공급가스 스트림으로부터 유황을 회수하는 장치에 있어서, 전술한 공급가스 스트림의 주요부분을 회수하기 위한 제1도관; 전술한 공급가스 스트림의 소부분을 수용하기 위한 제2도관; 이산화유황과 물증기를 형성시키기 위해 부스트림의 황화수소 함량의 최소한 50%를 태우기 위한 관련된 최소한 하나의 제1버너를 가지는 제1연소대역, 전술한 버너는 전술한 제2도관과 통하는 입구를 가지며, 그리고 전술한 제1연소 대역은 전술한 제1연소대역으로 부터의 가스 혼합물을 냉각시키기 위한 열교환수단의 입구와 통하는 출구를 가지며; 물증기와 이산화유황을 형성하기 위해 황화수소를 연소시키기 위해 관련된 최소한 하나의 버너를 가지는 제2연소대역, 전술한 최소한 하나의 제2버너는 전술한 제1도관과 통하는 입구와 산소-농후가스(앞에서 정의한것 같은)의 공급원과 통하는 입구를 가지며; 작동시 이산화유황이 황화수소와 반응하여 유황증기와 물증기를 형성하는 열반응대역, 전술한 열반응대역은 전술한 제2 연소대역으로부터의 출구와 통하고; 전술한 열반응대역을 떠나는 가스혼합물로부터 유황증기를 추출하기 위한 전술한 열반응대의 하류인 응축기; 유황증기와 물증기를 추가로 형성하기 위하여 황화수소와 이산화유황간에 추가의 반응을 실시하기 의한, 전술한 응축기의 하류에 최소한 하나의 추가 반응대역; 그리고 온도를 조절하기 위하여 전술한 열 교환기수단을 떠나는 냉각된 가스혼합물의 일부를 제 2 연소대역 및 전술한 열반응대역중 하나나 둘 모두의 속으로 주입하기 위한 수단 그리고 제1연소대역 속으로 냉각된 부스트림의 또 다른 부분을 다시 주입하는 수단을 포함하고 그리하여 조작시 전술한 주 및 소 부분의 전체 황화수소 함유량의 약 3분의 1을 태워서 이산화유황과 물증기를 형성시킬 수 있게된 유황회수 장치.An apparatus for recovering sulfur from a feed gas stream comprising hydrogen sulfide, comprising: a first conduit for recovering a major portion of the feed gas stream described above; A second conduit for receiving a small portion of the aforementioned feed gas stream; A first combustion zone having at least one first burner associated therein for burning at least 50% of the hydrogen sulfide content of the substream to form sulfur dioxide and water vapor, the burner described above having an inlet through the aforementioned second conduit, and The aforementioned first combustion zone has an outlet in communication with the inlet of the heat exchange means for cooling the gas mixture from the aforementioned first combustion zone; A second combustion zone having at least one burner involved for burning hydrogen sulfide to form water vapor and sulfur dioxide, the at least one second burner described above having an inlet and oxygen-rich gas (as defined above) Having an inlet to a source; A thermal reaction zone in which sulfur dioxide reacts with hydrogen sulfide to form sulfur vapor and water vapor during operation, the above-described thermal reaction zone communicating with an outlet from the second combustion zone described above; A condenser downstream of the aforementioned thermal reactor for extracting sulfur vapor from the gas mixture leaving the aforementioned thermal reaction zone; At least one additional reaction zone downstream of the condenser described above by subjecting further reaction between hydrogen sulfide and sulfur dioxide to further form sulfur vapor and water vapor; And means for injecting a portion of the cooled gas mixture leaving the aforementioned heat exchanger means to adjust the temperature into one or both of the second combustion zone and the aforementioned thermal reaction zone and cooling into the first combustion zone. And a means for reinjecting another portion of the substream which has been converted so that during operation it is possible to burn about one third of the total hydrogen sulfide content of the main and minor portions described above to form sulfur dioxide and water vapor. 제12항에 있어서, 전술한 최소한 하는의 추가의 반응대역이 황화수소와 이산화유황간의 반응촉매를 포함하는 유황회수 장치.13. The sulfur recovery apparatus of claim 12, wherein the at least one additional reaction zone described above comprises a reaction catalyst between hydrogen sulfide and sulfur dioxide. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880000773A 1986-03-07 1988-01-29 Treatment of gas streams KR960008940B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB868605649A GB8605649D0 (en) 1986-03-07 1986-03-07 Treatment of gas streams
GB8702132 1987-01-30
GB8702132A GB2187444B (en) 1986-03-07 1987-01-30 Treatment of gas streams

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KR880008827A true KR880008827A (en) 1988-09-13
KR960008940B1 KR960008940B1 (en) 1996-07-10

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KR1019880000773A KR960008940B1 (en) 1986-03-07 1988-01-29 Treatment of gas streams

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JP (1) JPS62230605A (en)
KR (1) KR960008940B1 (en)
GB (2) GB8605649D0 (en)
SG (1) SG51091G (en)
ZA (1) ZA871345B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139764A (en) * 1988-01-21 1992-08-18 Union Carbide Industrial Gases Technology Corporation Sulfur recovery process for ammonia-containing feed gas
BR8900250A (en) * 1988-01-21 1989-10-17 Union Carbide Corp PROCESS FOR SULFUR PRODUCTION FROM A STARTING GAS CONTAINING HYDROGEN SULPHIDE
US5139765A (en) * 1988-01-21 1992-08-18 Union Carbide Industrial Gases Technology Corporation Dual combustion zone sulfur recovery process
US4943426A (en) * 1988-06-20 1990-07-24 Aluminum Company Of America Method for regulating reaction temperature
GB9103382D0 (en) * 1991-02-19 1991-04-03 Boc Group Plc Treatment of gases
JP5022401B2 (en) * 2009-03-31 2012-09-12 Jx日鉱日石エネルギー株式会社 Operation method of sulfur recovery equipment
FR2979254B1 (en) * 2011-08-26 2015-11-06 Total Sa TIMELESS COMBUSTION OF SULFUR COMBUSTIBLE EFFLUENTS WITH SULFUR RECOVERY IN THE CLAUS PROCESS

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KR960008940B1 (en) 1996-07-10
JPS62230605A (en) 1987-10-09
GB2187444A (en) 1987-09-09
SG51091G (en) 1991-09-13
GB8702132D0 (en) 1987-03-04
JPH0551521B2 (en) 1993-08-02
ZA871345B (en) 1987-09-30
GB8605649D0 (en) 1986-04-16
GB2187444B (en) 1990-08-08

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