IT1081296B - Processo per rigenerare acido solforico - Google Patents

Processo per rigenerare acido solforico

Info

Publication number
IT1081296B
IT1081296B IT25930/77A IT2593077A IT1081296B IT 1081296 B IT1081296 B IT 1081296B IT 25930/77 A IT25930/77 A IT 25930/77A IT 2593077 A IT2593077 A IT 2593077A IT 1081296 B IT1081296 B IT 1081296B
Authority
IT
Italy
Prior art keywords
sulfuric acid
regenerating sulfuric
regenerating
acid
sulfuric
Prior art date
Application number
IT25930/77A
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
Application granted granted Critical
Publication of IT1081296B publication Critical patent/IT1081296B/it

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
    • C01B17/90—Separation; Purification
    • C01B17/905—Removal of organic impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT25930/77A 1976-07-22 1977-07-20 Processo per rigenerare acido solforico IT1081296B (it)

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
IT1081296B true IT1081296B (it) 1985-05-16

Family

ID=5983671

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25930/77A IT1081296B (it) 1976-07-22 1977-07-20 Processo per rigenerare acido solforico

Country Status (9)

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

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
US4406760A (en) * 1981-11-25 1983-09-27 Exxon Research & Engineering Co. Electrolytic process for treating sulfuric acid streams
GB2110681B (en) * 1981-11-25 1985-08-07 Exxon Research Engineering Co Process for treating spent sulfuric acid streams from the olefin hydration reaction
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
CN116457333A (zh) * 2020-11-11 2023-07-18 巴斯夫欧洲公司 浓缩稀硫酸的方法

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
NL7707924A (nl) 1978-01-24
CA1086476A (en) 1980-09-30
DE2632989A1 (de) 1978-02-02
FR2366220A1 (fr) 1978-04-28
GB1589732A (en) 1981-05-20
BE857042A (fr) 1978-01-23
JPS5312795A (en) 1978-02-04
US4157381A (en) 1979-06-05

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