IE34857B1 - Reducing total sulphur content of claus off-gases - Google Patents

Reducing total sulphur content of claus off-gases

Info

Publication number
IE34857B1
IE34857B1 IE3/71A IE371A IE34857B1 IE 34857 B1 IE34857 B1 IE 34857B1 IE 3/71 A IE3/71 A IE 3/71A IE 371 A IE371 A IE 371A IE 34857 B1 IE34857 B1 IE 34857B1
Authority
IE
Ireland
Prior art keywords
gases
gas
claus
catalysts
catalyst
Prior art date
Application number
IE3/71A
Other versions
IE34857L (en
Original Assignee
Shell Int Research
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of IE34857L publication Critical patent/IE34857L/en
Publication of IE34857B1 publication Critical patent/IE34857B1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/20Sulfiding
    • 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
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8603Removing sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • B01J23/88Molybdenum
    • B01J23/882Molybdenum and cobalt
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/16Hydrogen sulfides
    • C01B17/165Preparation from sulfides, oxysulfides or polysulfides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Treating Waste Gases (AREA)

Abstract

1332337 Gas separation; sulphur content reduction SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 15 Dec 1970 [21 Sept 1970]. 59501/70 Heading C1A The total sulphur content of Claus off gases containing H 2 S, SO 2 and also CS 2 and/or COS is reduced by (1) passing the off gases, together with H 2 and/or CO containing gas at a temperature above 175‹ C. over a Group VI and/or Group VIII metal catalyst supported on an inorganic oxide; (2) subsequently or simultaneously contacting the off gases with a solid catalyst to convert CS 2 and/or COS to H 2 S; (3) removing H 2 S by contacting with an absorbent or adsorbent. The H 2 and/or CO containing gas, e.g. town gas, water gas, synthesis gas, H 2 -rich off-gases, preferably contains at least 20 vol. per cent of H 2 and is used in an amount such that the H 2 : SO 2 ratio in the gas mixture is 3 to 15 : 1, The reduction catalyst (a Group VI and/or VIII metal) may be used in oxidic or sulphided form. Sulphiding may be effected by an H 2 /H 2 S mixture or in situ by means of the Claus off-gases. Specified CS 2 and/or COS conversion catalysts are alumina, bauxite, activated clay, aluminium phosphate, thoria and MgCl 2 . The alumina may be impregnated with alkali metal phosphate. The two catalysts may be used at substantially the same temperature. Simultaneous contacting of the Claus off-gases with the two catalysts may be carried out using a mixture of catalysts in a fixed acceptor bed, or by arranging two or more separate beds of single catalysts on a single reactor. The H 2 S absorbent may be solid, e.g. carbon, metal oxides or liquid e.g. alkanolamines, amines, ammonia, metal carbonate solutions. The liquid absorbent may contain an oxidant and/or a catalyst (many specified) to form elemental S. In an example, Claus off-gas mixed with H 2 is passed over sulphided Co/Mo/Al 2 O 3 at 222‹ C., then over activated alumina at 223‹ C. and finally over active carbon at 130‹ C. [GB1332337A]
IE3/71A 1970-09-21 1971-01-04 Reducing total sulphur content of claus off-gases IE34857B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7013902A NL7013902A (en) 1970-09-21 1970-09-21

Publications (2)

Publication Number Publication Date
IE34857L IE34857L (en) 1972-03-21
IE34857B1 true IE34857B1 (en) 1975-09-03

Family

ID=19811114

Family Applications (1)

Application Number Title Priority Date Filing Date
IE3/71A IE34857B1 (en) 1970-09-21 1971-01-04 Reducing total sulphur content of claus off-gases

Country Status (11)

Country Link
AT (1) AT304582B (en)
BE (1) BE761027A (en)
CS (1) CS164881B2 (en)
DE (1) DE2101901C2 (en)
ES (1) ES387550A1 (en)
FR (1) FR2105755A5 (en)
GB (1) GB1332337A (en)
IE (1) IE34857B1 (en)
NL (1) NL7013902A (en)
SU (1) SU389656A3 (en)
ZA (1) ZA708631B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2190517B1 (en) * 1972-06-29 1975-08-29 Rhone Progil
GB1563251A (en) * 1976-12-07 1980-03-26 Shell Int Research Process for working hydrogen suphidecontaining gases
JPS5551422A (en) * 1978-10-11 1980-04-15 Takeda Chem Ind Ltd Deodorization
CA1221223A (en) * 1983-10-07 1987-05-05 George W. Taggart Tail gas treating process
DE3429394A1 (en) * 1984-08-09 1986-02-13 Süd-Chemie AG, 8000 München METHOD AND CATALYST FOR SELECTIVE CATALYTIC HYDROLYSIS OF INORGANIC SULFUR COMPOUNDS
FR2574310B1 (en) * 1984-12-12 1989-10-27 Elf Aquitaine PROCESS FOR REMOVAL OF COS AND CS2 COMPOUNDS CONTAINED IN INDUSTRIAL GAS
US4892717A (en) * 1985-07-31 1990-01-09 Union Oil Company Of California Gas treating process
US4919912A (en) * 1985-10-18 1990-04-24 Ford, Bacon & Davis Incorporated Process for the treatment of sulfur containing gases
JP2000515807A (en) * 1996-07-26 2000-11-28 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ Catalyst composition, its preparation and its use in catalytic ashing
MY117311A (en) * 1996-08-22 2004-06-30 Shell Int Research Process for reducing total sulphur content in gases containing hydrogen sulphide and other sulphur components
EP1442781A1 (en) * 2003-01-31 2004-08-04 Jacobs Nederland B.V. Process for the removal of SO2 in a gas stream
US7427385B2 (en) 2004-12-17 2008-09-23 Exxonmobil Research And Engineering Company Systems and processes for reducing the sulfur content of hydrocarbon streams
FR2922783B1 (en) * 2007-10-31 2010-11-19 Inst Francais Du Petrole FUEL GAS TREATMENTS FROM A CLUSED UNIT ON AN OPTIMIZED CATALYST SURFING
JP2016505695A (en) * 2013-01-09 2016-02-25 ティッセンクルップ インダストリアル ソリューションズ アクツィエンゲゼルシャフトThyssenKrupp Industrial Solutions AG Method for generating synthesis gas from anthracite
US9677018B2 (en) 2013-01-09 2017-06-13 Thyssenkrupp Industrial Solutions Ag Process for the production of synthesis gas from hard coal
US10773958B2 (en) * 2014-03-21 2020-09-15 Chevron Phillips Chemical Company Lp Processes for removing polysulfanes and elemental sulfur from hydrogen sulfide
RU2758897C2 (en) * 2016-11-10 2021-11-02 Общество с ограниченной ответственностью научно-исследовательский и проектный институт "ПЕГАЗ" Sulfur production plant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887363A (en) * 1956-09-28 1959-05-19 Exxon Research Engineering Co Conversion of methane to produce hydrogen sulfide

Also Published As

Publication number Publication date
AT304582B (en) 1973-01-10
ES387550A1 (en) 1973-05-16
DE2101901A1 (en) 1972-04-06
FR2105755A5 (en) 1972-04-28
CS164881B2 (en) 1975-11-28
NL7013902A (en) 1972-03-23
ZA708631B (en) 1971-10-27
SU389656A3 (en) 1973-07-05
GB1332337A (en) 1973-10-03
BE761027A (en) 1971-06-30
DE2101901C2 (en) 1982-12-02
IE34857L (en) 1972-03-21

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