FR1375390A - Process for the preparation of ammonia and sulfur dioxide starting from waste sulfuric acids containing ammonium bisulfate - Google Patents

Process for the preparation of ammonia and sulfur dioxide starting from waste sulfuric acids containing ammonium bisulfate

Info

Publication number
FR1375390A
FR1375390A FR953904A FR953904A FR1375390A FR 1375390 A FR1375390 A FR 1375390A FR 953904 A FR953904 A FR 953904A FR 953904 A FR953904 A FR 953904A FR 1375390 A FR1375390 A FR 1375390A
Authority
FR
France
Prior art keywords
ammonia
preparation
sulfur dioxide
acids containing
containing ammonium
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
FR953904A
Other languages
French (fr)
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.)
Roehm and Haas GmbH
Original Assignee
Roehm and Haas GmbH
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 Roehm and Haas GmbH filed Critical Roehm and Haas GmbH
Application granted granted Critical
Publication of FR1375390A publication Critical patent/FR1375390A/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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/026—Preparation of ammonia from inorganic compounds
    • C01C1/028—Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Incineration Of Waste (AREA)
FR953904A 1962-11-15 1963-11-15 Process for the preparation of ammonia and sulfur dioxide starting from waste sulfuric acids containing ammonium bisulfate Expired FR1375390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER33886A DE1220398B (en) 1962-11-15 1962-11-15 Production of ammonia and sulfur dioxide from waste sulfuric acid containing ammonium bisulfate

Publications (1)

Publication Number Publication Date
FR1375390A true FR1375390A (en) 1964-10-16

Family

ID=7404201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953904A Expired FR1375390A (en) 1962-11-15 1963-11-15 Process for the preparation of ammonia and sulfur dioxide starting from waste sulfuric acids containing ammonium bisulfate

Country Status (3)

Country Link
DE (1) DE1220398B (en)
FR (1) FR1375390A (en)
GB (1) GB1014945A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201250A1 (en) * 1972-09-22 1974-04-26 Inst Francais Du Petrole Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream
NL7601061A (en) * 1976-02-03 1977-08-05 Stamicarbon PROCEDURE FOR GENERATING EPSILON CAPROLAC TAM FROM AN EPSILON CAPROLACTAM SULFURIC ACID REACTION MIXTURE.
NL7704481A (en) * 1977-04-25 1977-08-31 Stamicarbon PROCESS FOR THE RECOVERY OF AMMONIA AND SULFUR DIOXIDE FROM POLLUTED AMMONIUM SALT OF SULFURIC ACID.
DK98191A (en) * 1991-05-24 1992-11-25 Haldor Topsoe As PROCEDURE FOR THE REGENERATION OF PURIFIC SULFURIC ACID
CN109081685B (en) * 2018-09-13 2021-09-24 南京鑫达晶体材料科技有限公司 Alumina ceramic and preparation method thereof
CN112174165A (en) * 2019-07-03 2021-01-05 强方投顾股份有限公司 Semiconductor grade ammonia water and sulfuric acid recovery and circulation manufacturing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861552C (en) * 1937-04-27 1953-01-05 Metallgesellschaft Ag Process and device for converting dilute waste sulfuric acid into highly concentrated acid

Also Published As

Publication number Publication date
GB1014945A (en) 1965-12-31
DE1220398B (en) 1966-07-07

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