BE857042A - Procede de regeneration d'acide sulfurique - Google Patents

Procede de regeneration d'acide sulfurique

Info

Publication number
BE857042A
BE857042A BE179549A BE179549A BE857042A BE 857042 A BE857042 A BE 857042A BE 179549 A BE179549 A BE 179549A BE 179549 A BE179549 A BE 179549A BE 857042 A BE857042 A BE 857042A
Authority
BE
Belgium
Prior art keywords
sulfuric acid
regeneration process
acid regeneration
sulfuric
regeneration
Prior art date
Application number
BE179549A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE857042A publication Critical patent/BE857042A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/90Separation; Purification
    • C01B17/905Removal of organic impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BE179549A 1976-07-22 1977-07-22 Procede de regeneration d'acide sulfurique BE857042A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762632989 DE2632989A1 (de) 1976-07-22 1976-07-22 Verfahren zum regenerieren von schwefelsaeure

Publications (1)

Publication Number Publication Date
BE857042A true BE857042A (fr) 1978-01-23

Family

ID=5983671

Family Applications (1)

Application Number Title Priority Date Filing Date
BE179549A BE857042A (fr) 1976-07-22 1977-07-22 Procede de regeneration d'acide sulfurique

Country Status (9)

Country Link
US (1) US4157381A (fr)
JP (1) JPS5312795A (fr)
BE (1) BE857042A (fr)
CA (1) CA1086476A (fr)
DE (1) DE2632989A1 (fr)
FR (1) FR2366220A1 (fr)
GB (1) GB1589732A (fr)
IT (1) IT1081296B (fr)
NL (1) NL7707924A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493823A1 (fr) * 1980-11-13 1982-05-14 Ugine Kuhlmann Purification des acides sulfuriques residuaires provenant de la synthese des alcools
US4510445A (en) * 1981-11-02 1985-04-09 Joseph Kvaternik Miniature circuit processing devices and matrix test heads for use therein
GB2110681B (en) * 1981-11-25 1985-08-07 Exxon Research Engineering Co Process for treating spent sulfuric acid streams from the olefin hydration reaction
US4406760A (en) * 1981-11-25 1983-09-27 Exxon Research & Engineering Co. Electrolytic process for treating sulfuric acid streams
SE464299B (sv) * 1988-11-16 1991-04-08 Boliden Contech Ab Foerfarande foer avfaergning av svavelsyra framstaelld enligt kontaktmetoden
US5114699A (en) * 1989-04-12 1992-05-19 Freeport-Mcmoran Resource Partners Spent alkylation acid treatment process
DE3927751A1 (de) * 1989-08-23 1991-02-28 Bayer Ag Verfahren zum konzentrieren metallsulfathaltiger schwefelsaeure
DE3935892C2 (de) * 1989-10-27 1994-08-25 Metallgesellschaft Ag Verfahren und Vorrichtung zum Konzentrieren einer Schwefelsäure und Wasser enthaltenden Flüssigkeit
US5275701A (en) 1993-03-15 1994-01-04 Air Products And Chemicals, Inc. Process for purification and concentration of sulfuric acid
ES2105969B1 (es) * 1995-07-14 1998-07-01 Gen Quimica S A Procedimiento para la recuperacion de acido sulfurico a partir de corrientes residuales de sulfurico de mediana concentracion contaminadas con materia organica.
DE102005049084A1 (de) * 2005-10-13 2007-04-26 Wacker Chemie Ag Verfahren zur Regenerierung von Schwefelsäure
JP2013095640A (ja) * 2011-11-01 2013-05-20 Mitsubishi Gas Chemical Co Inc 有機物を含有する硫酸を連続的に再生する方法
IL236365A0 (en) * 2014-12-21 2015-04-30 Melodea Ltd Recycling of acid from acid-rich aqueous solutions
US20230406704A1 (en) * 2020-11-11 2023-12-21 Basf Se Process for concentrating diluted sulfuric acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB441452A (en) * 1934-04-12 1936-01-20 Du Pont Improvements in and relating to the purification of sulphuric acid
GB512907A (en) * 1938-03-18 1939-09-28 Nicolay Titlestad Improvements relating to the concentration and decolorization of denitrated spent sulphuric acid
DE1233368B (de) * 1962-08-13 1967-02-02 Heraeus Schott Quarzschmelze Verfahren zur kontinuierlichen Destillation von Schwefelsaeure in Apparaturen aus keramischen Werkstoffen
DE2330281A1 (de) * 1973-06-14 1975-01-09 Hoechst Ag Verfahren zur regenerierung von schwefelsaeure
DE2352701A1 (de) * 1973-10-20 1975-06-12 Hoechst Ag Verfahren zum aufkonzentrieren salzhaltiger, verduennter schwefelsaeure

Also Published As

Publication number Publication date
IT1081296B (it) 1985-05-16
FR2366220A1 (fr) 1978-04-28
US4157381A (en) 1979-06-05
NL7707924A (nl) 1978-01-24
JPS5312795A (en) 1978-02-04
GB1589732A (en) 1981-05-20
CA1086476A (fr) 1980-09-30
DE2632989A1 (de) 1978-02-02

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