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FI801880A - FOERFARANDE OCH ANORDNING FOER REGENERERING AV SVAVELSYRA - Google Patents

FOERFARANDE OCH ANORDNING FOER REGENERERING AV SVAVELSYRA

Info

Publication number
FI801880A
FI801880A FI801880A FI801880A FI801880A FI 801880 A FI801880 A FI 801880A FI 801880 A FI801880 A FI 801880A FI 801880 A FI801880 A FI 801880A FI 801880 A FI801880 A FI 801880A
Authority
FI
Finland
Prior art keywords
svavelsyra
anordning foer
och anordning
foerfarande och
regenerering
Prior art date
Application number
FI801880A
Other languages
Finnish (fi)
Other versions
FI67355C (en
FI67355B (en
Inventor
Hansruedi Forter
Juergen Groening
Hans L Kuehnlein
Hans Rudolf Kueng
Joachim Maas
Karl-Heinz Schultz
Original Assignee
Bayer Ag
Bertrams Ag
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
Priority claimed from CH551379A external-priority patent/CH641126A5/en
Application filed by Bayer Ag, Bertrams Ag filed Critical Bayer Ag
Publication of FI801880A publication Critical patent/FI801880A/en
Application granted granted Critical
Publication of FI67355B publication Critical patent/FI67355B/en
Publication of FI67355C publication Critical patent/FI67355C/en

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
    • B01D1/0094—Evaporating with forced circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/02—Evaporators with heating coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof
    • 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
    • C01B17/905—Removal of organic impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI801880A 1979-06-13 1980-06-11 FOERFARANDE OCH ANORDNING FOER REGENERERING AV SVAVELSYRA FI67355C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH551379 1979-06-13
CH551379A CH641126A5 (en) 1979-06-13 1979-06-13 Process and system for regenerating sulphuric acid
DE3018665 1980-05-16
DE19803018665 DE3018665A1 (en) 1979-06-13 1980-05-16 METHOD AND DEVICE FOR REGENERATING SULFURIC ACID

Publications (3)

Publication Number Publication Date
FI801880A true FI801880A (en) 1980-12-14
FI67355B FI67355B (en) 1984-11-30
FI67355C FI67355C (en) 1985-03-11

Family

ID=25697891

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801880A FI67355C (en) 1979-06-13 1980-06-11 FOERFARANDE OCH ANORDNING FOER REGENERERING AV SVAVELSYRA

Country Status (4)

Country Link
EP (1) EP0022181B1 (en)
CA (1) CA1152285A (en)
ES (1) ES492361A0 (en)
FI (1) FI67355C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409719A1 (en) * 1984-03-16 1985-09-19 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING DINITROTOLUOL
DE3409717C2 (en) * 1984-03-16 1994-03-31 Bayer Ag Process for the preparation of nitrobenzene
DE3718675A1 (en) * 1987-06-04 1988-12-15 Bayer Ag METHOD FOR EVAPORATING SULFURIC ACID
DE3935892C2 (en) * 1989-10-27 1994-08-25 Metallgesellschaft Ag Method and device for concentrating a liquid containing sulfuric acid and water
DE3938915C1 (en) * 1989-11-24 1991-05-08 Bayer Ag, 5090 Leverkusen, De
DE4029737C1 (en) * 1990-09-20 1991-12-05 Metallgesellschaft Ag, 6000 Frankfurt, De
CH682398A5 (en) * 1991-09-13 1993-09-15 Escher Wyss Ag A method for saving energy in the production of titanium dioxide.
DE4213324A1 (en) * 1992-04-23 1993-10-28 Bayer Ag Process for concentrating and purifying sulfuric acid
DE4230099C2 (en) * 1992-09-09 1998-09-24 Bayer Ag Process for regenerating used sulfuric acid
DE4403841C2 (en) * 1994-02-08 1997-12-04 Bayer Ag Process for evaporating used sulfuric acid
DE19642328A1 (en) * 1996-10-14 1998-04-16 Bayer Ag Process for the concentration of used sulfuric acids
DE19920695A1 (en) * 1999-05-05 2000-11-16 Metallgesellschaft Ag Process for concentrating thin acid
WO2008003297A2 (en) * 2006-07-03 2008-01-10 Lailach Guenter Method and system for concentrating metal sulfate-containing sulfuric acid
ES2818997T3 (en) * 2009-07-07 2021-04-14 Haldor Topsoe As Procedure for the production of concentrated sulfuric acid from released gas
DE102020131827A1 (en) 2020-12-01 2022-06-02 Andreas Wilk Device and method for concentrating corrosive liquids
DE102023102313B4 (en) 2023-01-31 2025-01-23 Mkr Metzger Gmbh Recyclingsysteme Device and method for the preparation of process medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074019B (en) * 1960-01-28 Carl Buschm^ Hamburg Bergedorf Willy Methods for cleaning up and concentrating waste sulfuric acid
FR1241856A (en) * 1959-08-13 1960-09-23 Kestner App Evaporateurs High-grade sulfuric acid concentration process
DE2242055C3 (en) * 1972-08-26 1979-05-31 Industrie Chemie Thoma Gmbh, 6000 Frankfurt Process for the concentration and purification of sulfuric acid contaminated by organic substances

Also Published As

Publication number Publication date
FI67355C (en) 1985-03-11
ES8104136A1 (en) 1981-04-16
ES492361A0 (en) 1981-04-16
CA1152285A (en) 1983-08-23
EP0022181B1 (en) 1983-10-12
EP0022181A3 (en) 1981-08-26
FI67355B (en) 1984-11-30
EP0022181A2 (en) 1981-01-14

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: BAYER AKTIENGESELLSCHAFT

Owner name: BERTRAMS AKTIENGESELLSCHAFT