GB1006815A - Improvements in or relating to processes for the removal of ammonia from gases containing it - Google Patents

Improvements in or relating to processes for the removal of ammonia from gases containing it

Info

Publication number
GB1006815A
GB1006815A GB663864A GB663864A GB1006815A GB 1006815 A GB1006815 A GB 1006815A GB 663864 A GB663864 A GB 663864A GB 663864 A GB663864 A GB 663864A GB 1006815 A GB1006815 A GB 1006815A
Authority
GB
United Kingdom
Prior art keywords
ammonia
h2so4
gases containing
relating
removal
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
GB663864A
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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Publication of GB1006815A publication Critical patent/GB1006815A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/12—Separation of ammonia from gases and vapours
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

Ammonia is removed from gases containing it together with acrylonitrile, obtained from the vapour phase oxidation of propylene, by quenching the gases, at a temperature above their dew point, with an aqueous solution at at least 70 DEG C. and containing (NH4)2SO4 and an excess of H2SO4 above that necessary for neutralization of the ammonia. At least a portion of the resulting spent solution is cooled to precipitate ammonium sulphate crystals and the molten liquor, together with fish H2SO4 returned to the quenching stage. The concentration of H2SO4 in the spent solution may be 0.5 to 5%. A portion of the spent liquor may be recycled to the quenching stage without crystallization of (NH4)2SO4.
GB663864A 1963-02-21 1964-02-18 Improvements in or relating to processes for the removal of ammonia from gases containing it Expired GB1006815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925543A FR1357087A (en) 1963-02-21 1963-02-21 Improvements to processes for removing ammonia present in certain gas mixtures

Publications (1)

Publication Number Publication Date
GB1006815A true GB1006815A (en) 1965-10-06

Family

ID=8797558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB663864A Expired GB1006815A (en) 1963-02-21 1964-02-18 Improvements in or relating to processes for the removal of ammonia from gases containing it

Country Status (5)

Country Link
BE (1) BE643939A (en)
DE (1) DE1468955A1 (en)
FR (1) FR1357087A (en)
GB (1) GB1006815A (en)
NL (1) NL6401670A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976358A (en) * 2012-11-30 2013-03-20 淄博鲁华泓锦化工股份有限公司 Production technology and equipment for preparing ammonium sulfate through byproduct of tert-butylamine production process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976358A (en) * 2012-11-30 2013-03-20 淄博鲁华泓锦化工股份有限公司 Production technology and equipment for preparing ammonium sulfate through byproduct of tert-butylamine production process

Also Published As

Publication number Publication date
DE1468955A1 (en) 1969-01-02
BE643939A (en) 1964-06-15
NL6401670A (en) 1964-08-24
FR1357087A (en) 1964-04-03

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