AU6499290A - Process and apparatus for concentrating a liquid which contains sulfuric acid and water - Google Patents

Process and apparatus for concentrating a liquid which contains sulfuric acid and water

Info

Publication number
AU6499290A
AU6499290A AU64992/90A AU6499290A AU6499290A AU 6499290 A AU6499290 A AU 6499290A AU 64992/90 A AU64992/90 A AU 64992/90A AU 6499290 A AU6499290 A AU 6499290A AU 6499290 A AU6499290 A AU 6499290A
Authority
AU
Australia
Prior art keywords
concentrating
liquid
water
sulfuric acid
contains sulfuric
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.)
Granted
Application number
AU64992/90A
Other versions
AU624540B2 (en
Inventor
Heinz Dittmar
Klaus Hohmann
Ramiro Serrano-Velarde
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.)
Outokumpu Oyj
Original Assignee
Outokumpu Oyj
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6392409&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU6499290(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Outokumpu Oyj filed Critical Outokumpu Oyj
Publication of AU6499290A publication Critical patent/AU6499290A/en
Application granted granted Critical
Publication of AU624540B2 publication Critical patent/AU624540B2/en
Assigned to OUTOKUMPU OYJ reassignment OUTOKUMPU OYJ Alteration of Name(s) in Register under S187 Assignors: METALLGESELLSCHAFT AKTIENGESELLSCHAFT
Anticipated expiration legal-status Critical
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU64992/90A 1989-10-27 1990-10-26 Process and apparatus for concentrating a liquid which contains sulfuric acid and water Expired AU624540B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3935892 1989-10-27
DE3935892A DE3935892C2 (en) 1989-10-27 1989-10-27 Method and device for concentrating a liquid containing sulfuric acid and water

Publications (2)

Publication Number Publication Date
AU6499290A true AU6499290A (en) 1991-05-02
AU624540B2 AU624540B2 (en) 1992-06-11

Family

ID=6392409

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64992/90A Expired AU624540B2 (en) 1989-10-27 1990-10-26 Process and apparatus for concentrating a liquid which contains sulfuric acid and water

Country Status (8)

Country Link
EP (1) EP0425000B2 (en)
JP (1) JPH03146408A (en)
AU (1) AU624540B2 (en)
BR (1) BR9005114A (en)
CA (1) CA2024547A1 (en)
DE (2) DE3935892C2 (en)
ES (1) ES2047829T5 (en)
MY (1) MY106697A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682398A5 (en) * 1991-09-13 1993-09-15 Escher Wyss Ag A method for saving energy in the production of titanium dioxide.
DE19741511A1 (en) * 1997-09-20 1999-04-01 Metallgesellschaft Ag Process for concentrating thin acid by utilizing process heat in a forced circulation evaporator system
GB9816464D0 (en) * 1998-07-30 1998-09-23 Tioxide Group Services Ltd Process for the concentration of dilute sulphuric acid solutions
ATE265459T1 (en) 1999-09-28 2004-05-15 Otsuka Pharma Co Ltd TRIAZOLPURINE DERIVATIVES, DRUG COMPOSITIONS CONTAINING SAME AND AGENTS SHOWING AFFINITY FOR THE ADENOSINE A3 RECEPTOR
DE10024457A1 (en) * 2000-05-18 2001-11-29 Sachtleben Chemie Gmbh Preventing incrustation in recovery of sulfuric acid in titanium dioxide production by pre-concentrating the dilute acid to above 32-45 weight percent
ITPR20040050A1 (en) * 2004-07-20 2004-10-20 Fmc Technologies Italia Spa EVAPORATION PLANT FOR FRUITS AND VEGETABLE PRODUCTS WITH LOW ENERGY CONSUMPTION AND VERY LIMITED THERMAL DAMAGE.
WO2008003297A2 (en) * 2006-07-03 2008-01-10 Lailach Guenter Method and system for concentrating metal sulfate-containing sulfuric acid
JP6001328B2 (en) * 2012-05-23 2016-10-05 パンパシフィック・カッパー株式会社 Sulfuric acid acidic liquid concentration apparatus, sulfuric acid acidic liquid concentration method, and crude nickel sulfate recovery method
JP2016180187A (en) * 2016-07-05 2016-10-13 パンパシフィック・カッパー株式会社 Concentrating apparatus of sulfuric acid acidic solution, concentrating method of sulfuric acid acidic solution, and recovery method of crude nickel sulfate
DE102020131827A1 (en) 2020-12-01 2022-06-02 Andreas Wilk Device and method for concentrating corrosive liquids

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972412C (en) * 1951-06-01 1959-07-16 Metallgesellschaft Ag Process for the evaporation of sulfuric acid or similarly behaving solutions
DE1233368B (en) * 1962-08-13 1967-02-02 Heraeus Schott Quarzschmelze Process for the continuous distillation of sulfuric acid in apparatus made of ceramic materials
DE2632989A1 (en) * 1976-07-22 1978-02-02 Hoechst Ag PROCESS FOR REGENERATING SULFURIC ACID
DE2824010A1 (en) * 1978-06-01 1979-12-13 Metallgesellschaft Ag METHOD FOR CONCENTRATING DILUSED PHOSPHORIC ACID
EP0022181B1 (en) * 1979-06-13 1983-10-12 Bayer Ag Process and apparatus for regenerating sulfuric acid
DE3327769A1 (en) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen METHOD FOR THE TREATMENT OF THICK ACID
DE3632623A1 (en) * 1986-09-25 1988-03-31 Bayer Ag METHOD FOR CONCENTRATING SULFURIC ACID

Also Published As

Publication number Publication date
AU624540B2 (en) 1992-06-11
DE3935892C2 (en) 1994-08-25
BR9005114A (en) 1991-09-17
ES2047829T5 (en) 1997-01-16
MY106697A (en) 1995-07-31
DE59003963D1 (en) 1994-02-03
EP0425000B2 (en) 1996-11-27
CA2024547A1 (en) 1991-04-28
DE3935892A1 (en) 1991-05-02
JPH03146408A (en) 1991-06-21
EP0425000B1 (en) 1993-12-22
EP0425000A1 (en) 1991-05-02
ES2047829T3 (en) 1994-03-01

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: OUTOKUMPU OYJ

Free format text: FORMER OWNER WAS: METALLGESELLSCHAFT AKTIENGESELLSCHAFT