BE770319A - Procede de dissociation de l'acide sulfurique - Google Patents

Procede de dissociation de l'acide sulfurique

Info

Publication number
BE770319A
BE770319A BE770319A BE770319A BE770319A BE 770319 A BE770319 A BE 770319A BE 770319 A BE770319 A BE 770319A BE 770319 A BE770319 A BE 770319A BE 770319 A BE770319 A BE 770319A
Authority
BE
Belgium
Prior art keywords
sulfuric acid
acid dissociation
dissociation process
sulfuric
dissociation
Prior art date
Application number
BE770319A
Other languages
English (en)
Original Assignee
Zieren Chemiebau Gmbh Dr A
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 Zieren Chemiebau Gmbh Dr A filed Critical Zieren Chemiebau Gmbh Dr A
Publication of BE770319A publication Critical patent/BE770319A/fr

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
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
    • 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)
  • Treating Waste Gases (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Gas Separation By Absorption (AREA)
BE770319A 1970-07-29 1971-07-22 Procede de dissociation de l'acide sulfurique BE770319A (fr)

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
BE770319A true BE770319A (fr) 1971-12-01

Family

ID=5778245

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770319A BE770319A (fr) 1970-07-29 1971-07-22 Procede de dissociation de l'acide sulfurique

Country Status (7)

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

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 (fr) 1972-04-28
NL7110281A (fr) 1972-02-01
DE2037619A1 (de) 1972-02-03
GB1347884A (en) 1974-02-27
US3825657A (en) 1974-07-23
DE2037619B2 (de) 1972-07-13
CH574873A5 (fr) 1976-04-30

Similar Documents

Publication Publication Date Title
BE775252A (fr) Procede de preparation d'acide acrylique
BE775320A (fr) Procede de separation d'acide fluorhydrique
BE791653A (fr) Procede electrolytique de preparation de l'acide
BE810686A (fr) Procede de purification d'acide sulfurique use
BE760837A (fr) Procede de preparation d'acide 6-aminopenicillanique
BE770319A (fr) Procede de dissociation de l'acide sulfurique
BE772277A (fr) Procede de purification de l'acide terephtalique
BE788615A (fr) Procede de production d'acide sulfurique exempt de mercure
BE748306A (fr) Procede de preparation du dinitrile de l'acide adipique
BE816367A (fr) Procede de regeneration d'acide sulfurique
BE753756A (fr) Procede de preparation d'acide phenylacetique
BE776407A (fr) Procede de preparation de l'acide phenyl-1-vinylphosphorique
BE756477A (fr) Procede de preparation d'acide polymaleique
BE764364A (fr) Procede de preparation d'acide levulinique
BE744416A (fr) Procede de production d'acide citrique
BE818560A (fr) Procede de traitement d'acide sulfurique aqueux
BE757061A (fr) Procede d'obtention d'acide adipique
BE765849A (fr) Procede de preparation d'acide sulfurique
BE762365A (fr) Procede pour la preparation d'acide amidoalcanes-sulfoniques
BE791400A (fr) Procede de production d'acide sulfurique
BE753506A (fr) Procede de production d'acide citrique
BE747408A (fr) Procede de production d'acide oxalique
BE750844A (fr) Procede de purification d'acide lactique
BE767700A (fr) Procede de preparation d'acide nitrique concentre
BE775781A (fr) Procede de production d'acide 3-thienylacetique