GB1380692A - Production of sulphur trioxide sulphuric acid and oleum - Google Patents

Production of sulphur trioxide sulphuric acid and oleum

Info

Publication number
GB1380692A
GB1380692A GB1590272A GB1590272A GB1380692A GB 1380692 A GB1380692 A GB 1380692A GB 1590272 A GB1590272 A GB 1590272A GB 1590272 A GB1590272 A GB 1590272A GB 1380692 A GB1380692 A GB 1380692A
Authority
GB
United Kingdom
Prior art keywords
sulphur dioxide
sulphuric acid
oleum
absorbing unit
sulphur
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
GB1590272A
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
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
Priority to BE791400D priority Critical patent/BE791400A/en
Application filed by Canadian Industries Ltd filed Critical Canadian Industries Ltd
Priority to GB1590272A priority patent/GB1380692A/en
Priority to CA154,521A priority patent/CA981871A/en
Priority to NL7215154A priority patent/NL7215154A/xx
Priority to DE19722255206 priority patent/DE2255206A1/en
Priority to FI316972A priority patent/FI60181C/en
Priority to IT5397772A priority patent/IT973513B/en
Priority to SE1478272A priority patent/SE394660B/en
Priority to DD16684672A priority patent/DD101134A5/xx
Priority to LU66467D priority patent/LU66467A1/xx
Priority to CS770472A priority patent/CS197215B2/en
Priority to NO414772A priority patent/NO137587C/en
Priority to FR7240595A priority patent/FR2160511B1/fr
Priority to BR805872A priority patent/BR7208058D0/en
Priority to ES408633A priority patent/ES408633A1/en
Priority to AT977272A priority patent/AT320677B/en
Priority to JP11437472A priority patent/JPS5618526B2/ja
Priority to CH1668972A priority patent/CH592576A5/xx
Publication of GB1380692A publication Critical patent/GB1380692A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/762—High pressure processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Drying Of Gases (AREA)

Abstract

1380692 Manufacture of sulphuric acid CANADIAN INDUSTRIES Ltd 18 Oct 1972 [16 Nov 1971 6 April 1972] 53087/71 and 15902/72 Heading C1A Sulphuric acid is prepared by the catalytic conversion of gaseous sulphur dioxide to sulphur trioxide in the presence of dry air and under a pressure of at least 2 atmospheres gauge wherein the converted gas stream is fed under pressure to an absorbing unit through which essentially sulphur dioxide free sulphuric acid is circulated to absorb the sulphur trioxide and unconverted sulphur dioxide from the converted gas stream, the acid emerging from the absorbing unit being depressurized and the sulphur dioxide being stripped therefrom by means of an essentially sulphur dioxide free gas and the resulting essen tially sulphur dioxide free acid being cooled and at least a part thereof recirculated to the absorbing unit. Air may be used in the stripping operation and this may be used subsequently in the catalytic conversion stage as the source of dry air. The stripping may be conducted under super-atmospheric pressure and at a temperature higher than that of the absorbing stage. Part of the converted gas may be fed to an oleum unit, from which oleum may be recovered and distilled to produce SO 3 . The SO 2 in the sulphuric acid stream leaving the absorbing unit may be oxidized by injection of an oxidizing agent such as hydrogen peroxide or ozone.
GB1590272A 1971-11-16 1972-04-06 Production of sulphur trioxide sulphuric acid and oleum Expired GB1380692A (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
BE791400D BE791400A (en) 1971-11-16 SULFURIC ACID PRODUCTION PROCESS
GB1590272A GB1380692A (en) 1971-11-16 1972-04-06 Production of sulphur trioxide sulphuric acid and oleum
CA154,521A CA981871A (en) 1971-11-16 1972-10-18 Production of sulphur trioxide, sulphuric acid and oleum
NL7215154A NL7215154A (en) 1971-11-16 1972-11-09
DE19722255206 DE2255206A1 (en) 1971-11-16 1972-11-10 PROCESS FOR THE MANUFACTURING OF SULFUR ACID
FI316972A FI60181C (en) 1971-11-16 1972-11-13 FOERFARANDE FOER FRAMSTAELLNING AV SVAVELSYRA
IT5397772A IT973513B (en) 1971-11-16 1972-11-13 PROCEDURE FOR THE PRODUCTION OF SULFUR DIOXIDE, SULFUR ACID AND OLEUM IN PLANTS OPERATING AT PRESSURES CONSIDERABLY HIGHER THAN ATMOSPHERIC
LU66467D LU66467A1 (en) 1971-11-16 1972-11-14
DD16684672A DD101134A5 (en) 1971-11-16 1972-11-14
SE1478272A SE394660B (en) 1971-11-16 1972-11-14 PROCEDURE FOR THE PRODUCTION OF SULFURIC ACID
CS770472A CS197215B2 (en) 1971-11-16 1972-11-14 Method of producing sulphuric acid
NO414772A NO137587C (en) 1971-11-16 1972-11-15 PROCEDURE FOR THE PRODUCTION OF SULFUR ACID
FR7240595A FR2160511B1 (en) 1971-11-16 1972-11-15
BR805872A BR7208058D0 (en) 1971-11-16 1972-11-16 PROCESS TO PREPARE SULFURIC ACID BY CATALYTIC CONVERSION
ES408633A ES408633A1 (en) 1972-04-06 1972-11-16 Procedure for the production of sulfuric acid. (Machine-translation by Google Translate, not legally binding)
AT977272A AT320677B (en) 1972-04-06 1972-11-16 Process for the production of sulfuric acid, oleum or sulfur trioxide
JP11437472A JPS5618526B2 (en) 1971-11-16 1972-11-16
CH1668972A CH592576A5 (en) 1971-11-16 1972-11-16

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5308771 1971-11-16
GB1590272A GB1380692A (en) 1971-11-16 1972-04-06 Production of sulphur trioxide sulphuric acid and oleum

Publications (1)

Publication Number Publication Date
GB1380692A true GB1380692A (en) 1975-01-15

Family

ID=26251627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1590272A Expired GB1380692A (en) 1971-11-16 1972-04-06 Production of sulphur trioxide sulphuric acid and oleum

Country Status (16)

Country Link
JP (1) JPS5618526B2 (en)
BE (1) BE791400A (en)
BR (1) BR7208058D0 (en)
CA (1) CA981871A (en)
CH (1) CH592576A5 (en)
CS (1) CS197215B2 (en)
DD (1) DD101134A5 (en)
DE (1) DE2255206A1 (en)
FI (1) FI60181C (en)
FR (1) FR2160511B1 (en)
GB (1) GB1380692A (en)
IT (1) IT973513B (en)
LU (1) LU66467A1 (en)
NL (1) NL7215154A (en)
NO (1) NO137587C (en)
SE (1) SE394660B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369973A1 (en) * 1988-11-16 1990-05-23 Boliden Contech Ab A method for decolouring sulphuric acid deriving from acid production processes
CN105439103A (en) * 2015-11-29 2016-03-30 惠州卫生职业技术学院 Preparation process of sulfuric acid

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102930U (en) * 1982-01-06 1983-07-13 リンナイ株式会社 Gas stove
SE8402092L (en) * 1984-04-13 1985-10-14 Boliden Ab PROCEDURE FOR EXPLORING LOW Sulfur Dioxide Content from Exhaust Gas
US5194239A (en) * 1991-02-26 1993-03-16 The Ralph M. Parsons Company Oxygen-based noncatalytic sulfuric acid process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432263A (en) * 1966-03-28 1969-03-11 Chemical Construction Corp High pressure sulfuric acid process
US3455652A (en) * 1966-05-31 1969-07-15 Chemical Construction Corp Process for the production of sulfur trioxide and sulfuric acid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369973A1 (en) * 1988-11-16 1990-05-23 Boliden Contech Ab A method for decolouring sulphuric acid deriving from acid production processes
US5026535A (en) * 1988-11-16 1991-06-25 Boliden Contech Ab Method for decoloring sulphuric acid deriving from acid production processes
AU616805B2 (en) * 1988-11-16 1991-11-07 Boliden Contech Ab A method for decolouring sulphuric acid derived from acid production processes
CN105439103A (en) * 2015-11-29 2016-03-30 惠州卫生职业技术学院 Preparation process of sulfuric acid
CN105439103B (en) * 2015-11-29 2018-08-10 惠州卫生职业技术学院 A kind of sulfuric acid preparation process

Also Published As

Publication number Publication date
FR2160511B1 (en) 1975-03-28
BE791400A (en) 1973-03-01
FI60181C (en) 1981-12-10
SE394660B (en) 1977-07-04
NO137587B (en) 1977-12-12
CH592576A5 (en) 1977-10-31
CA981871A (en) 1976-01-20
CS197215B2 (en) 1980-04-30
FR2160511A1 (en) 1973-06-29
JPS5618526B2 (en) 1981-04-30
NO137587C (en) 1978-03-21
LU66467A1 (en) 1973-03-15
NL7215154A (en) 1973-05-18
IT973513B (en) 1974-06-10
DD101134A5 (en) 1973-10-20
DE2255206A1 (en) 1973-05-24
JPS4862691A (en) 1973-09-01
BR7208058D0 (en) 1973-10-09
FI60181B (en) 1981-08-31

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years