GB1563555A - Catalytic conversion of ammonium sulphate or bisulphate to sulphur dioxide and ammonia - Google Patents

Catalytic conversion of ammonium sulphate or bisulphate to sulphur dioxide and ammonia Download PDF

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Publication number
GB1563555A
GB1563555A GB22980/77A GB2298077A GB1563555A GB 1563555 A GB1563555 A GB 1563555A GB 22980/77 A GB22980/77 A GB 22980/77A GB 2298077 A GB2298077 A GB 2298077A GB 1563555 A GB1563555 A GB 1563555A
Authority
GB
United Kingdom
Prior art keywords
process according
catalyst
ammonia
ammonium sulphate
bisulphate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB22980/77A
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English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of GB1563555A publication Critical patent/GB1563555A/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/501Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/505Preparation of sulfur dioxide by reduction of sulfur compounds of alkali metal sulfates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/501Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/504Preparation of sulfur dioxide by reduction of sulfur compounds of ammonium sulfates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/02Preparation, purification or separation of ammonia
    • C01C1/026Preparation of ammonia from inorganic compounds
    • C01C1/028Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB22980/77A 1976-05-31 1977-05-31 Catalytic conversion of ammonium sulphate or bisulphate to sulphur dioxide and ammonia Expired GB1563555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7616566A FR2353483A1 (fr) 1976-05-31 1976-05-31 Conversion catalytique d'un sulfate d'ammonium en dioxyde de soufre et ammoniac

Publications (1)

Publication Number Publication Date
GB1563555A true GB1563555A (en) 1980-03-26

Family

ID=9173869

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22980/77A Expired GB1563555A (en) 1976-05-31 1977-05-31 Catalytic conversion of ammonium sulphate or bisulphate to sulphur dioxide and ammonia

Country Status (9)

Country Link
US (1) US4081515A (enExample)
JP (1) JPS5362799A (enExample)
BE (1) BE854778A (enExample)
CA (1) CA1089190A (enExample)
DE (1) DE2723521A1 (enExample)
FR (1) FR2353483A1 (enExample)
GB (1) GB1563555A (enExample)
IT (1) IT1078993B (enExample)
NL (1) NL7705973A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414023A1 (fr) * 1978-01-10 1979-08-03 Inst Francais Du Petrole Procede de conversion d'imidodisulfate d'ammonium et de dithionate d'ammonium en dioxyde de soufre et ammoniac
FR2424229B2 (fr) * 1978-04-27 1985-07-19 Inst Francais Du Petrole Procede de conversion de sulfamate d'ammonium en dioxyde de soufre et ammoniac
JPS60126148U (ja) * 1984-02-02 1985-08-24 塩田 淑子 連続型抜き用の抜き型
US4872887A (en) * 1988-09-12 1989-10-10 Electric Power Research Institute, Inc. Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate
US6287533B1 (en) 1999-09-20 2001-09-11 Mohammed N. I. Khan Production of chlorine dioxide by chemical reduction of ammonium chlorate in aqueous acidic solution
US7632479B2 (en) 2006-08-31 2009-12-15 Iogen Energy Corporation Process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate
CN111167274B (zh) * 2020-01-19 2021-11-12 中南大学 一种从冶炼烟气中脱除三氧化硫的方法及其脱除装置
US12303832B2 (en) * 2022-12-07 2025-05-20 Sar Technology Inc. Method for recycling electronic-grade and industrial-grade sulfuric acid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH481018A (de) * 1964-02-27 1969-11-15 Inventa Ag Verfahren zur Gewinnung von Ammoniak aus einem ammoniakhaltigen Gas durch Auswaschung mit Schwefelsäure unter Rückführung der aus dem gebildeten Ammoniumsulfat regenerierten Säure in den Waschprozess
US3695829A (en) * 1970-06-01 1972-10-03 Exxon Research Engineering Co Two stage ammonium sulfate decomposition in flue gas desulfurization process
US3835218A (en) * 1971-08-12 1974-09-10 Allied Chem Catalytic decomposition of ammonium bisulfate to form ammonium and sulfur dioxide bisulfite
FR2280711A1 (fr) * 1974-08-01 1976-02-27 Inst Francais Du Petrole Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques

Also Published As

Publication number Publication date
JPS5362799A (en) 1978-06-05
DE2723521A1 (de) 1977-12-22
US4081515A (en) 1978-03-28
FR2353483A1 (fr) 1977-12-30
NL7705973A (nl) 1977-12-02
BE854778A (fr) 1977-11-18
FR2353483B1 (enExample) 1979-10-12
CA1089190A (fr) 1980-11-11
IT1078993B (it) 1985-05-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee