CA1066655A - Appareillage et technique pour augmenter de concentration, l'acide sulfurique contenu dans une cellule d'electrolyse par des moyens electriques et en presence d'ions persulfate - Google Patents

Appareillage et technique pour augmenter de concentration, l'acide sulfurique contenu dans une cellule d'electrolyse par des moyens electriques et en presence d'ions persulfate

Info

Publication number
CA1066655A
CA1066655A CA236,417A CA236417A CA1066655A CA 1066655 A CA1066655 A CA 1066655A CA 236417 A CA236417 A CA 236417A CA 1066655 A CA1066655 A CA 1066655A
Authority
CA
Canada
Prior art keywords
sulfuric acid
acid solution
cathode
wet
fluid
Prior art date
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
CA236,417A
Other languages
English (en)
Inventor
E. Colin W. Clarke
Jeffrey F. Gilbert
David N. Glew
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of CA1066655A publication Critical patent/CA1066655A/fr
Expired 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
    • C01B17/88—Concentration of sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)
CA236,417A 1974-10-23 1975-09-25 Appareillage et technique pour augmenter de concentration, l'acide sulfurique contenu dans une cellule d'electrolyse par des moyens electriques et en presence d'ions persulfate Expired CA1066655A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US517346A US3917521A (en) 1974-10-23 1974-10-23 Sulfurless electrolytic concentration of aqueous sulfuric acid solutions

Publications (1)

Publication Number Publication Date
CA1066655A true CA1066655A (fr) 1979-11-20

Family

ID=24059443

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236,417A Expired CA1066655A (fr) 1974-10-23 1975-09-25 Appareillage et technique pour augmenter de concentration, l'acide sulfurique contenu dans une cellule d'electrolyse par des moyens electriques et en presence d'ions persulfate

Country Status (2)

Country Link
US (1) US3917521A (fr)
CA (1) CA1066655A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1059943A (fr) * 1976-07-20 1979-08-07 Pierre L. Claessens Acide peroxosulfurique forme par electrolyse, utilise pour oxyder les composes organiques dans l'acide sulfurique
US4124481A (en) * 1976-10-06 1978-11-07 Ramer James L Apparatus for treating sewage
US4361471A (en) * 1980-06-23 1982-11-30 Kosarek Louis J Electrolytic swimming pool chlorination
US4406760A (en) * 1981-11-25 1983-09-27 Exxon Research & Engineering Co. Electrolytic process for treating sulfuric acid streams
FR2521972A1 (fr) * 1982-02-22 1983-08-26 Hoechst France Procede de regeneration d'acides sulfuriques residuaires souilles par des matieres organiques
IT1155444B (it) * 1982-12-23 1987-01-28 Zanussi A Spa Industrie Dispositivo e procedimento elettrolitico per la produzione di acqua di cloro
US4725374A (en) * 1983-10-06 1988-02-16 Olin Corporation Process and apparatus for etching copper base materials
US5256261A (en) * 1992-08-21 1993-10-26 Sterling Canada, Inc. Membrane cell operation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US928844A (en) * 1908-10-30 1909-07-20 Gaston Chandon De Briailles Manufacture, concentration, and simultaneous purification of sulfuric acid.
US1534226A (en) * 1924-01-18 1925-04-21 Leonhard William Cleland Process for bleaching sulphuric acid
US2273795A (en) * 1936-12-31 1942-02-17 Nat Carbon Co Inc Electrolytic process
US2272345A (en) * 1939-10-11 1942-02-10 Kenneth A Kobe Process of dehydrating salts
US3616337A (en) * 1968-08-22 1971-10-26 Texaco Inc Electrochemical recovery of sulfuric acid

Also Published As

Publication number Publication date
US3917521A (en) 1975-11-04

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