GB2004469B - Sulphuric acid concentration - Google Patents

Sulphuric acid concentration

Info

Publication number
GB2004469B
GB2004469B GB7837625A GB7837625A GB2004469B GB 2004469 B GB2004469 B GB 2004469B GB 7837625 A GB7837625 A GB 7837625A GB 7837625 A GB7837625 A GB 7837625A GB 2004469 B GB2004469 B GB 2004469B
Authority
GB
United Kingdom
Prior art keywords
sulphuric acid
acid concentration
sulphuric
concentration
acid
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
GB7837625A
Other versions
GB2004469A (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.)
Sulzer Escher Wyss AG
Montedison SpA
Original Assignee
Escher Wyss AG
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 Escher Wyss AG, Montedison SpA filed Critical Escher Wyss AG
Publication of GB2004469A publication Critical patent/GB2004469A/en
Application granted granted Critical
Publication of GB2004469B publication Critical patent/GB2004469B/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
    • C01B17/88—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)
GB7837625A 1977-09-21 1978-09-21 Sulphuric acid concentration Expired GB2004469B (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
GB2004469A GB2004469A (en) 1979-04-04
GB2004469B true GB2004469B (en) 1982-07-14

Family

ID=11222349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7837625A Expired GB2004469B (en) 1977-09-21 1978-09-21 Sulphuric acid concentration

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
FR2328658A1 (en) * 1975-10-20 1977-05-20 Pechiney Aluminium IMPROVEMENTS IN THE PURIFICATION OF DILUTED SULFURIC SOLUTIONS

Also Published As

Publication number Publication date
CH638465A5 (en) 1983-09-30
DE2807380A1 (en) 1979-03-29
NL7809474A (en) 1979-03-23
RO76235A (en) 1981-04-30
JPS6335320B2 (en) 1988-07-14
FR2403973A1 (en) 1979-04-20
IT1086096B (en) 1985-05-28
GB2004469A (en) 1979-04-04
FR2403973B1 (en) 1983-01-28
JPS5461094A (en) 1979-05-17
DE2807380C2 (en) 1990-08-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920921