DK67394A - Fremgangsmåde til genvinding af stærke syrer fra vandige opløsninger - Google Patents

Fremgangsmåde til genvinding af stærke syrer fra vandige opløsninger

Info

Publication number
DK67394A
DK67394A DK067394A DK67394A DK67394A DK 67394 A DK67394 A DK 67394A DK 067394 A DK067394 A DK 067394A DK 67394 A DK67394 A DK 67394A DK 67394 A DK67394 A DK 67394A
Authority
DK
Denmark
Prior art keywords
acid
salt
hydrate
recovery
aqueous solutions
Prior art date
Application number
DK067394A
Other languages
English (en)
Other versions
DK173113B1 (da
Inventor
Sven Ivar Hommeltoft
Original Assignee
Haldor Topsoe As
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 Haldor Topsoe As filed Critical Haldor Topsoe As
Priority to DK199400673A priority Critical patent/DK173113B1/da
Priority to DE69501483T priority patent/DE69501483T2/de
Priority to EP95108171A priority patent/EP0687658B1/en
Priority to RU95109864A priority patent/RU2147575C1/ru
Priority to JP14491095A priority patent/JP3698459B2/ja
Priority to CN95106560A priority patent/CN1065226C/zh
Publication of DK67394A publication Critical patent/DK67394A/da
Application granted granted Critical
Publication of DK173113B1 publication Critical patent/DK173113B1/da

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
DK199400673A 1994-06-13 1994-06-13 Fremgangsmåde til genvinding af en perfluoreret sulfonsyre fra en vandig opløsning samt anvendelse af fremgangsmåden DK173113B1 (da)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK199400673A DK173113B1 (da) 1994-06-13 1994-06-13 Fremgangsmåde til genvinding af en perfluoreret sulfonsyre fra en vandig opløsning samt anvendelse af fremgangsmåden
DE69501483T DE69501483T2 (de) 1994-06-13 1995-05-29 Verfahren zur Rückgewinnung eines starken Säures aus einer wässrigen Lösung
EP95108171A EP0687658B1 (en) 1994-06-13 1995-05-29 Process for the recovery of a strong acid from an aqueous solution
RU95109864A RU2147575C1 (ru) 1994-06-13 1995-06-09 Способ регенерации перфторированной сульфокислоты в безводной форме из водного раствора
JP14491095A JP3698459B2 (ja) 1994-06-13 1995-06-12 水溶液から強酸を回収する方法
CN95106560A CN1065226C (zh) 1994-06-13 1995-06-13 从水溶液中回收强酸的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK67394 1994-06-13
DK199400673A DK173113B1 (da) 1994-06-13 1994-06-13 Fremgangsmåde til genvinding af en perfluoreret sulfonsyre fra en vandig opløsning samt anvendelse af fremgangsmåden

Publications (2)

Publication Number Publication Date
DK67394A true DK67394A (da) 1995-12-14
DK173113B1 DK173113B1 (da) 2000-01-31

Family

ID=8096232

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199400673A DK173113B1 (da) 1994-06-13 1994-06-13 Fremgangsmåde til genvinding af en perfluoreret sulfonsyre fra en vandig opløsning samt anvendelse af fremgangsmåden

Country Status (2)

Country Link
DK (1) DK173113B1 (da)
RU (1) RU2147575C1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2255083C1 (ru) * 2004-04-20 2005-06-27 Государственное образовательное учреждение профессионального образования "Воронежская государственная технологическая академия" Способ экстракционного извлечения и концентрирования нафтолмоносульфокислот из водных растворов

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1576530A1 (ru) * 1988-06-21 1990-07-07 Предприятие П/Я Г-4684 Способ получени галоидбензолсульфокислот
DE3930994A1 (de) * 1989-09-16 1991-03-28 Bayer Ag Verfahren zur herstellung aromatischer (di)chlorsulfonsaeuren und (di)bromsulfonsaeuren

Also Published As

Publication number Publication date
RU95109864A (ru) 1997-05-10
RU2147575C1 (ru) 2000-04-20
DK173113B1 (da) 2000-01-31

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Legal Events

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B1 Patent granted (law 1993)
PBP Patent lapsed

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