GB1321884A - Electrolytic process for the manufacture of sulphur hexafluoride - Google Patents

Electrolytic process for the manufacture of sulphur hexafluoride

Info

Publication number
GB1321884A
GB1321884A GB3210470A GB3210470A GB1321884A GB 1321884 A GB1321884 A GB 1321884A GB 3210470 A GB3210470 A GB 3210470A GB 3210470 A GB3210470 A GB 3210470A GB 1321884 A GB1321884 A GB 1321884A
Authority
GB
United Kingdom
Prior art keywords
fluoride
sulphur hexafluoride
anode
sulphur
july
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
GB3210470A
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.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of GB1321884A publication Critical patent/GB1321884A/en
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
    • C01B17/45—Compounds containing sulfur and halogen, with or without oxygen
    • C01B17/4507—Compounds containing sulfur and halogen, with or without oxygen containing sulfur and halogen only
    • C01B17/4515—Compounds containing sulfur and halogen, with or without oxygen containing sulfur and halogen only containing sulfur and fluorine only
    • C01B17/453—Sulfur hexafluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

1321884 Electrolytic production of sulphur hexafluoride ASAHI GLASS CO Ltd 2 July 1970 [3 July 1969] 32104/70 Heading C7B Sulphur hexafluoride is produced electrolytically using a carbonaceous anode and a molten electrolyte comprising a mixture of potassium fluoride and hydrogen fluoride KF. n HF where n = 0À9 - 3À0, in the presence of elemental sulphur in the vicinity of the anode. The bath may also contain lithium fluoride, aluminium fluoride, nickel fluoride or sodium fluoride. The cell may comprise a cylindrical iron vessel, which forms the cathode, provided with a lid supporting an amorphous carbon anode. Inert gas may be passed through the cell to effect withdrawal of the sulphur hexafluoride produced.
GB3210470A 1969-07-03 1970-07-02 Electrolytic process for the manufacture of sulphur hexafluoride Expired GB1321884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5214169 1969-07-03

Publications (1)

Publication Number Publication Date
GB1321884A true GB1321884A (en) 1973-07-04

Family

ID=12906583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3210470A Expired GB1321884A (en) 1969-07-03 1970-07-02 Electrolytic process for the manufacture of sulphur hexafluoride

Country Status (4)

Country Link
US (1) US3623964A (en)
DE (1) DE2033109B2 (en)
FR (1) FR2054069A5 (en)
GB (1) GB1321884A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60143331A (en) 1983-12-29 1985-07-29 Fuji Photo Film Co Ltd Silver halide photosensitive material
US5744022A (en) * 1997-02-19 1998-04-28 Miller; Jorge Method and apparatus for producing sulfur hexafluoride
DE19851999C1 (en) * 1998-11-11 2000-04-13 Solvay Fluor & Derivate Production of sulfuryl fluoride useful as insecticidal fumigant comprises reacting sulfur dioxide with fluorine in presence of alkali metal fluoride and liquid hydrogen fluoride

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB269749A (en) * 1925-11-27 1927-04-27 Edgar Arthur Ashcroft Improvements in processes and in electrolytic methods for separating and recovering the constituents of metallic salts in a state of fusion for use in the treatment of ores or chemical or metallurgical products
US2717235A (en) * 1951-11-23 1955-09-06 Gen Electric Method of preparing sulfur hexafluoride
DE1054971B (en) * 1956-04-26 1959-04-16 Du Pont Process for the production of sulfur (VI) fluorides, in particular sulfur hexafluoride
US3146179A (en) * 1961-04-05 1964-08-25 Ici Ltd Process for the electrolytic production of fluorine and apparatus therefor
US3345277A (en) * 1964-09-24 1967-10-03 Minnesota Mining & Mfg Electrochemical production of sulfur hexafluoride

Also Published As

Publication number Publication date
DE2033109B2 (en) 1972-05-18
DE2033109A1 (en) 1971-01-28
FR2054069A5 (en) 1971-04-16
US3623964A (en) 1971-11-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees