NL7110281A - - Google Patents

Info

Publication number
NL7110281A
NL7110281A NL7110281A NL7110281A NL7110281A NL 7110281 A NL7110281 A NL 7110281A NL 7110281 A NL7110281 A NL 7110281A NL 7110281 A NL7110281 A NL 7110281A NL 7110281 A NL7110281 A NL 7110281A
Authority
NL
Netherlands
Application number
NL7110281A
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 filed Critical
Publication of NL7110281A publication Critical patent/NL7110281A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/58Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/88Concentration of sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Gas Separation By Absorption (AREA)
NL7110281A 1970-07-29 1971-07-26 NL7110281A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702037619 DE2037619B2 (de) 1970-07-29 1970-07-29 Verfahren zur spaltung von schwefelsaeure

Publications (1)

Publication Number Publication Date
NL7110281A true NL7110281A (cs) 1972-02-01

Family

ID=5778245

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7110281A NL7110281A (cs) 1970-07-29 1971-07-26

Country Status (7)

Country Link
US (1) US3825657A (cs)
BE (1) BE770319A (cs)
CH (1) CH574873A5 (cs)
DE (1) DE2037619B2 (cs)
FR (1) FR2105816A5 (cs)
GB (1) GB1347884A (cs)
NL (1) NL7110281A (cs)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950502A (en) * 1971-02-19 1976-04-13 Chemiebau Dr. A. Zieren Gesellschaft Mit Beschrankter Haftung & Co. Kg Process for working up the scrubbing solution obtained in the scrubbing of So2 -containing waste gases
BE793839A (fr) * 1972-01-14 1973-05-02 Zieren Chemiebau Gmbh Dr A Procede de preparation d'un gaz contenant de l'anhydride sulfureux
DE2210637B2 (de) * 1972-03-06 1975-12-04 Davy Powergas Gmbh, 5000 Koeln Verfahren zur Herstellung eines Schwefeldioxid enthaltenden Gases aus einer bei der TitanweiBherstellung anfallenden Dünnsäure
DE2251296C3 (de) * 1972-10-19 1975-05-15 Davy Powergas Gmbh, 5000 Koeln Verfahren zur Herstellung von Schwefelsäure aus der bei der Entschwefelung von Koksofengas unter Verwendung von Ammoniak anfallenden Waschlösung
US4177248A (en) * 1974-01-30 1979-12-04 Stauffer Chemical Company Production of sulfur dioxide from waste sulfuric acid
DE2448676A1 (de) * 1974-10-12 1976-04-22 Hoechst Ag Verfahren zur herstellung von schwefeldioxid
DE2643798A1 (de) * 1976-09-29 1978-04-06 Bayer Ag Verfahren zur aufarbeitung von abfallschwefelsaeure und eisensulfatheptahydrat zu frischsaeure
DE2843042A1 (de) * 1978-10-03 1980-04-24 Bayer Ag Verfahren zur aufarbeitung von abfallsaeuren
US4490347A (en) * 1983-02-07 1984-12-25 E. I. Du Pont De Nemours And Company Process for sulfuric acid regeneration
US5498790A (en) * 1993-06-09 1996-03-12 Novus International, Inc. Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
CN107954403B (zh) * 2018-01-08 2024-03-12 上海乐谦工程科技有限公司 一种资源节约型废酸处理工艺及装置
CN108862210B (zh) * 2018-06-25 2021-12-21 无锡英罗唯森科技有限公司 一种硫酸浓缩系统和工艺
CN108946685A (zh) * 2018-08-22 2018-12-07 戴国梁 一种利用废硫酸制备再生液的硫酸制备装置

Also Published As

Publication number Publication date
FR2105816A5 (cs) 1972-04-28
US3825657A (en) 1974-07-23
GB1347884A (en) 1974-02-27
BE770319A (fr) 1971-12-01
DE2037619B2 (de) 1972-07-13
CH574873A5 (cs) 1976-04-30
DE2037619A1 (de) 1972-02-03

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