NO931369L - Fremgangsmaate for konsentrering og rensing av svovelsyre - Google Patents

Fremgangsmaate for konsentrering og rensing av svovelsyre

Info

Publication number
NO931369L
NO931369L NO93931369A NO931369A NO931369L NO 931369 L NO931369 L NO 931369L NO 93931369 A NO93931369 A NO 93931369A NO 931369 A NO931369 A NO 931369A NO 931369 L NO931369 L NO 931369L
Authority
NO
Norway
Prior art keywords
purification
procedure
concentration
sulfuric acid
sulphuric acid
Prior art date
Application number
NO93931369A
Other languages
English (en)
Other versions
NO931369D0 (no
Inventor
Elmar-Manfred Horn
Guenter Lailach
Stylianos Savakis
Original Assignee
Bayer 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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of NO931369D0 publication Critical patent/NO931369D0/no
Publication of NO931369L publication Critical patent/NO931369L/no

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
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/80—Apparatus
    • C01B17/806—Absorbers; Heat exchangers
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Silicon Compounds (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Sludge (AREA)

Abstract

Fremgangsmåte for konsentrering og/eller rensing av svovelsyre ved konsentrasjoner fra 80 til 97^ H2S04, der det blir anvendt temperaturer l området fra 90 til 350'C, og der anleggsdeler som kommer i berøring med svovelsyre, består av en spesiell austenittisk jern- nikke1-krom-silisium-legering.
NO93931369A 1992-04-23 1993-04-14 Fremgangsmaate for konsentrering og rensing av svovelsyre NO931369L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4213324A DE4213324A1 (de) 1992-04-23 1992-04-23 Verfahren zum Konzentrieren und Reinigen von Schwefelsäure

Publications (2)

Publication Number Publication Date
NO931369D0 NO931369D0 (no) 1993-04-14
NO931369L true NO931369L (no) 1993-10-25

Family

ID=6457298

Family Applications (1)

Application Number Title Priority Date Filing Date
NO93931369A NO931369L (no) 1992-04-23 1993-04-14 Fremgangsmaate for konsentrering og rensing av svovelsyre

Country Status (6)

Country Link
EP (1) EP0566949B1 (no)
JP (1) JPH0680408A (no)
AT (1) ATE125778T1 (no)
CA (1) CA2094453A1 (no)
DE (2) DE4213324A1 (no)
NO (1) NO931369L (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719394C1 (de) * 1997-05-07 1999-01-07 Bayer Ag Verfahren zum Konzentrieren oder Reinigen von Schwefelsäure
DE19807632A1 (de) * 1998-02-23 1999-09-02 Bayer Ag Vorrichtung zum Konzentrieren und Reinigen von Schwefelsäure
US6405214B1 (en) * 1998-12-17 2002-06-11 Hewlett-Packard Company Method of gathering usage information and transmitting to a primary server and a third party server by a client program
DE10231314B4 (de) * 2002-07-10 2008-07-31 Plinke Gmbh Verfahren zum Einsatz von Edelstahlkondensatoren bei Anlagen zur Strippung von Nitrierabfallsäuren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR854510A (fr) * 1938-05-10 1940-04-17 Hercules Powder Co Ltd Appareil destiné à la concentration des acides
DE2360706C3 (de) * 1973-12-06 1980-10-16 Hoechst Ag, 6000 Frankfurt Verfahren zur Regeneration von Schwefelsäure
DE2845917C2 (de) * 1978-10-21 1983-10-27 Hoechst Ag, 6230 Frankfurt Verwendung grauer Gußeisenlegierungen zur Herstellung von Kesseln für siedende konzentrierte Schwefelsäure
EP0022181B1 (de) * 1979-06-13 1983-10-12 Bayer Ag Verfahren und Vorrichtung zum Regenerieren von Schwefelsäure

Also Published As

Publication number Publication date
DE59300422D1 (de) 1995-09-07
NO931369D0 (no) 1993-04-14
CA2094453A1 (en) 1993-10-24
EP0566949A1 (de) 1993-10-27
DE4213324A1 (de) 1993-10-28
JPH0680408A (ja) 1994-03-22
ATE125778T1 (de) 1995-08-15
EP0566949B1 (de) 1995-08-02

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application