FR2521972B1 - - Google Patents

Info

Publication number
FR2521972B1
FR2521972B1 FR8202866A FR8202866A FR2521972B1 FR 2521972 B1 FR2521972 B1 FR 2521972B1 FR 8202866 A FR8202866 A FR 8202866A FR 8202866 A FR8202866 A FR 8202866A FR 2521972 B1 FR2521972 B1 FR 2521972B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8202866A
Other languages
French (fr)
Other versions
FR2521972A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
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 Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Priority to FR8202866A priority Critical patent/FR2521972A1/fr
Priority to EP19830400260 priority patent/EP0087346B1/fr
Priority to DE8383400260T priority patent/DE3360249D1/de
Publication of FR2521972A1 publication Critical patent/FR2521972A1/fr
Application granted granted Critical
Publication of FR2521972B1 publication Critical patent/FR2521972B1/fr
Granted legal-status Critical Current

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
    • 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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
FR8202866A 1982-02-22 1982-02-22 Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques Granted FR2521972A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8202866A FR2521972A1 (fr) 1982-02-22 1982-02-22 Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques
EP19830400260 EP0087346B1 (fr) 1982-02-22 1983-02-07 Procédé de régénération d'acides sulfuriques résiduaires souillés par des matières organiques
DE8383400260T DE3360249D1 (en) 1982-02-22 1983-02-07 Process for the regeneration of residual sulfuric acids contaminated with organic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8202866A FR2521972A1 (fr) 1982-02-22 1982-02-22 Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques

Publications (2)

Publication Number Publication Date
FR2521972A1 FR2521972A1 (fr) 1983-08-26
FR2521972B1 true FR2521972B1 (OSRAM) 1984-06-15

Family

ID=9271206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8202866A Granted FR2521972A1 (fr) 1982-02-22 1982-02-22 Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques

Country Status (3)

Country Link
EP (1) EP0087346B1 (OSRAM)
DE (1) DE3360249D1 (OSRAM)
FR (1) FR2521972A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2216507C1 (ru) * 2002-03-11 2003-11-20 Институт химии и технологии редких элементов и минерального сырья им. И.В.Тананаева Кольского научного центра РАН Способ переработки раствора, содержащего серную кислоту и примесные элементы

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793181A (en) * 1953-07-16 1957-05-21 Standard Oil Co Electrolytic regeneration of alkylation sulfuric acid
US2793180A (en) * 1953-07-16 1957-05-21 Standard Oil Co Electrolytic regeneration of spent alkylation sulfuric acid
US3616337A (en) * 1968-08-22 1971-10-26 Texaco Inc Electrochemical recovery of sulfuric acid
US3917521A (en) * 1974-10-23 1975-11-04 Dow Chemical Co Sulfurless electrolytic concentration of aqueous sulfuric acid solutions

Also Published As

Publication number Publication date
EP0087346A1 (fr) 1983-08-31
DE3360249D1 (en) 1985-07-18
EP0087346B1 (fr) 1985-06-12
FR2521972A1 (fr) 1983-08-26

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Legal Events

Date Code Title Description
ST Notification of lapse