FR767870A - - Google Patents

Info

Publication number
FR767870A
FR767870A FR767870DA FR767870A FR 767870 A FR767870 A FR 767870A FR 767870D A FR767870D A FR 767870DA FR 767870 A FR767870 A FR 767870A
Authority
FR
France
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
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.)
Publication date
Application granted granted Critical
Publication of FR767870A publication Critical patent/FR767870A/fr
Expired legal-status Critical Current

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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
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Gasification And Melting Of Waste (AREA)
FR767870D 1933-03-15 Expired FR767870A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2097271X 1933-03-15

Publications (1)

Publication Number Publication Date
FR767870A true FR767870A (fr) 1934-07-25

Family

ID=7984780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR767870D Expired FR767870A (fr) 1933-03-15

Country Status (2)

Country Link
US (1) US2097271A (fr)
FR (1) FR767870A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071837A1 (fr) * 1981-08-04 1983-02-16 Bayer Ag Procédé pour la décomposition d'acide sulfurique dilué

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417386A (en) * 1943-12-17 1947-03-11 Chemical Construction Corp Atomization of strong sulfuric acid
US2564833A (en) * 1946-01-25 1951-08-21 Union Oil Co Sulfur dioxide process and apparatus using recycled gases
US2571107A (en) * 1947-05-07 1951-10-16 Sonneborn Sons Inc L Recovery of acid values from sulfuric acid sludges
US2792339A (en) * 1952-12-31 1957-05-14 Standard Oil Co Rotary sludge coker wearing ring
DE1258846B (de) * 1964-01-02 1968-01-18 Bayer Ag Verfahren zur thermischen Spaltung von Abfallschwefelsaeuren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071837A1 (fr) * 1981-08-04 1983-02-16 Bayer Ag Procédé pour la décomposition d'acide sulfurique dilué

Also Published As

Publication number Publication date
US2097271A (en) 1937-10-26

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