FR2403973B1 - - Google Patents

Info

Publication number
FR2403973B1
FR2403973B1 FR7827059A FR7827059A FR2403973B1 FR 2403973 B1 FR2403973 B1 FR 2403973B1 FR 7827059 A FR7827059 A FR 7827059A FR 7827059 A FR7827059 A FR 7827059A FR 2403973 B1 FR2403973 B1 FR 2403973B1
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
FR7827059A
Other languages
French (fr)
Other versions
FR2403973A1 (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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of FR2403973A1 publication Critical patent/FR2403973A1/en
Application granted granted Critical
Publication of FR2403973B1 publication Critical patent/FR2403973B1/fr
Granted 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
    • C01B17/88—Concentration of sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7827059A 1977-09-21 1978-09-21 PROCESS FOR CONCENTRATION OF AQUEOUS SOLUTIONS OF SULFURIC ACID Granted FR2403973A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2779777A IT1086096B (en) 1977-09-21 1977-09-21 PROCEDURE FOR THE CONCENTRATION OF AQUEOUS SOLUTIONS OF SULFURIC ACID

Publications (2)

Publication Number Publication Date
FR2403973A1 FR2403973A1 (en) 1979-04-20
FR2403973B1 true FR2403973B1 (en) 1983-01-28

Family

ID=11222349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7827059A Granted FR2403973A1 (en) 1977-09-21 1978-09-21 PROCESS FOR CONCENTRATION OF AQUEOUS SOLUTIONS OF SULFURIC ACID

Country Status (8)

Country Link
JP (1) JPS5461094A (en)
CH (1) CH638465A5 (en)
DE (1) DE2807380A1 (en)
FR (1) FR2403973A1 (en)
GB (1) GB2004469B (en)
IT (1) IT1086096B (en)
NL (1) NL7809474A (en)
RO (1) RO76235A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672633A5 (en) * 1987-11-23 1989-12-15 Escher Wyss Ag
DE4403841C2 (en) * 1994-02-08 1997-12-04 Bayer Ag Process for evaporating used sulfuric acid
DE4403840C2 (en) * 1994-02-08 1997-12-04 Bayer Ag Process for the recovery of sulfuric acid from used sulfates containing metal sulfate
AU709404B2 (en) * 1995-07-24 1999-08-26 Kerr-Mcgee Pigments Gmbh & Co. Kg Process for the recovery of sulphuric acid from spent acids containing metal sulphates
JP4737670B2 (en) * 2005-03-30 2011-08-03 株式会社ササクラ Method and apparatus for treating wastewater containing calcium and sulfuric acid
WO2008003297A2 (en) * 2006-07-03 2008-01-10 Lailach Guenter Method and system for concentrating metal sulfate-containing sulfuric acid
CN110104617A (en) * 2019-04-24 2019-08-09 成都先进金属材料产业技术研究院有限公司 Utilize the method for alum concentration titanium white waste acid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2078088A (en) * 1935-11-22 1937-04-20 Mantius Process of recovering sulphuric acid from sulphuric acid solutions of sulphates
FR1076258A (en) * 1952-03-25 1954-10-25 C D Patents Ltd Process for the recovery of sulfuric acid and inorganic sulphates from dilute waste liquors
DE957473C (en) * 1953-06-02 1957-02-07 Bayer Ag Process for the crystallization of substances, which can crystallize with different amounts of water of crystallization, in a form which is free of water of crystallization or has a low concentration of water of crystallization
DE1131193B (en) * 1960-10-14 1962-06-14 Bayer Ag Process for concentrating and desalting dilute, salty sulfuric acid
JPS5314429B2 (en) * 1973-05-11 1978-05-17
CH613913A5 (en) * 1975-10-20 1979-10-31 Pechiney Aluminium

Also Published As

Publication number Publication date
GB2004469A (en) 1979-04-04
CH638465A5 (en) 1983-09-30
JPS6335320B2 (en) 1988-07-14
GB2004469B (en) 1982-07-14
IT1086096B (en) 1985-05-28
DE2807380A1 (en) 1979-03-29
FR2403973A1 (en) 1979-04-20
NL7809474A (en) 1979-03-23
RO76235A (en) 1981-04-30
DE2807380C2 (en) 1990-08-09
JPS5461094A (en) 1979-05-17

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Legal Events

Date Code Title Description
ST Notification of lapse