CH475916A - Method for reducing the content of metal ions contaminating an aqueous solution of alkali metal hydroxide by means of an electrolytic cell - Google Patents

Method for reducing the content of metal ions contaminating an aqueous solution of alkali metal hydroxide by means of an electrolytic cell

Info

Publication number
CH475916A
CH475916A CH1580466A CH1580466A CH475916A CH 475916 A CH475916 A CH 475916A CH 1580466 A CH1580466 A CH 1580466A CH 1580466 A CH1580466 A CH 1580466A CH 475916 A CH475916 A CH 475916A
Authority
CH
Switzerland
Prior art keywords
reducing
content
aqueous solution
electrolytic cell
alkali metal
Prior art date
Application number
CH1580466A
Other languages
French (fr)
Inventor
Andrew Carlson Gordon
Original Assignee
Ppg Industries Inc
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 Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of CH475916A publication Critical patent/CH475916A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C01D1/40—Purification; Separation by electrolysis
    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/14—Alkali metal compounds
    • C25B1/16—Hydroxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrolytic Production Of Metals (AREA)
CH1580466A 1965-11-02 1966-11-01 Method for reducing the content of metal ions contaminating an aqueous solution of alkali metal hydroxide by means of an electrolytic cell CH475916A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50610165A 1965-11-02 1965-11-02
US56199966A 1966-06-30 1966-06-30

Publications (1)

Publication Number Publication Date
CH475916A true CH475916A (en) 1969-07-31

Family

ID=27055359

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1580466A CH475916A (en) 1965-11-02 1966-11-01 Method for reducing the content of metal ions contaminating an aqueous solution of alkali metal hydroxide by means of an electrolytic cell

Country Status (6)

Country Link
CH (1) CH475916A (en)
DE (1) DE1592022B1 (en)
FR (1) FR1505466A (en)
GB (1) GB1169206A (en)
NO (1) NO117360B (en)
SE (1) SE332623B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA931110A (en) * 1969-03-11 1973-07-31 A. Carlson Gordon Recovery of metals from solution
CA922663A (en) * 1969-03-11 1973-03-13 M. Otto Jack Apparatus and method for purifying alkali metal hydroxide solutions
JPS5717422A (en) * 1980-07-04 1982-01-29 Dow Chemical Co Removal of chlorate in caustic solution by electrodeposition iron

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE651240C (en) * 1934-12-26 1937-10-09 I G Farbenindustrie Akt Ges Process for cleaning alkaline solutions
DE1044051B (en) * 1953-11-23 1958-11-20 British Petroleum Co Process and device for the electrolytic regeneration of aqueous alkaline solutions containing mercaptans

Also Published As

Publication number Publication date
GB1169206A (en) 1969-10-29
FR1505466A (en) 1967-12-15
SE332623B (en) 1971-02-15
NO117360B (en) 1969-08-04
DE1592022B1 (en) 1971-02-18

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Legal Events

Date Code Title Description
PL Patent ceased