GB245127A - Improvements in or relating to filter diaphragms for electrolytic purposes - Google Patents

Improvements in or relating to filter diaphragms for electrolytic purposes

Info

Publication number
GB245127A
GB245127A GB32220/25A GB3222025A GB245127A GB 245127 A GB245127 A GB 245127A GB 32220/25 A GB32220/25 A GB 32220/25A GB 3222025 A GB3222025 A GB 3222025A GB 245127 A GB245127 A GB 245127A
Authority
GB
United Kingdom
Prior art keywords
relating
asbestos
diaphragms
diaphragm
filter diaphragms
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
GB32220/25A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB245127A publication Critical patent/GB245127A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/04—Diaphragms; Spacing elements characterised by the material
    • C25B13/05—Diaphragms; Spacing elements characterised by the material based on inorganic materials
    • C25B13/06—Diaphragms; Spacing elements characterised by the material based on inorganic materials based on asbestos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

245,127. Billiter, J., and Siemens &, Halske Akt.-Ges. Dec. 23, 1924, [Convention date]. Diaphragms are made by introducing calcium fluoride or talc into the interstices of an asbestos fabric or like foundation. The material may be introduced from both sides or from one side only, this side, in the case of an horizontal diaphragm, facing the cathode. The material may be introduced by dusting or rubbing or by infiltration from a liquid suspension. Common salt may also be added to increase the porosity. The Specification, as open to inspection under Sect. 91 (3) (a) comprises also the use of quartz, asbestos, or meerschaum powders, and of magnesium compounds or silicic acid as filling materials, and further comprises the use of a diaphragm to which a filling material is superficially connected by means of a non-setting binder. This subjectmatter does not appear in the Specification as accepted.
GB32220/25A 1924-12-23 1925-12-21 Improvements in or relating to filter diaphragms for electrolytic purposes Expired GB245127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE245127X 1924-12-23

Publications (1)

Publication Number Publication Date
GB245127A true GB245127A (en) 1927-03-21

Family

ID=5929437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32220/25A Expired GB245127A (en) 1924-12-23 1925-12-21 Improvements in or relating to filter diaphragms for electrolytic purposes

Country Status (1)

Country Link
GB (1) GB245127A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165271A (en) * 1977-10-03 1979-08-21 Olin Corporation Diaphragms for use in the electrolysis of alkali metal chlorides
US4184939A (en) * 1977-09-26 1980-01-22 Olin Corporation Diaphragms for use in the electrolysis of alkali metal chlorides
FR2431552A1 (en) * 1978-07-21 1980-02-15 Olin Corp PROCESS FOR TREATING DIAPHRAGMS OF AQUEOUS SALINE ELECTROLYSIS CELLS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184939A (en) * 1977-09-26 1980-01-22 Olin Corporation Diaphragms for use in the electrolysis of alkali metal chlorides
US4165271A (en) * 1977-10-03 1979-08-21 Olin Corporation Diaphragms for use in the electrolysis of alkali metal chlorides
FR2431552A1 (en) * 1978-07-21 1980-02-15 Olin Corp PROCESS FOR TREATING DIAPHRAGMS OF AQUEOUS SALINE ELECTROLYSIS CELLS

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