FR1505466A - Process for removing metal ions contaminating an aqueous solution of alkali metal hydroxide - Google Patents

Process for removing metal ions contaminating an aqueous solution of alkali metal hydroxide

Info

Publication number
FR1505466A
FR1505466A FR81090A FR81090A FR1505466A FR 1505466 A FR1505466 A FR 1505466A FR 81090 A FR81090 A FR 81090A FR 81090 A FR81090 A FR 81090A FR 1505466 A FR1505466 A FR 1505466A
Authority
FR
France
Prior art keywords
aqueous solution
alkali metal
metal ions
metal hydroxide
contaminating
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
FR81090A
Other languages
French (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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass 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 Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Application granted granted Critical
Publication of FR1505466A publication Critical patent/FR1505466A/en
Expired legal-status Critical Current

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)
FR81090A 1965-11-02 1966-10-21 Process for removing metal ions contaminating an aqueous solution of alkali metal hydroxide Expired FR1505466A (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
FR1505466A true FR1505466A (en) 1967-12-15

Family

ID=27055359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR81090A Expired FR1505466A (en) 1965-11-02 1966-10-21 Process for removing metal ions contaminating an aqueous solution of alkali metal hydroxide

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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2011196A1 (en) * 1969-03-11 1970-10-22 PPG Industries Inc., Pittsburgh, Pa, (V.St.A.) Method and device for cleaning alkali metal hydroxide solutions
FR2034821A1 (en) * 1969-03-11 1970-12-18 Ppg Industries Inc
EP0043871A1 (en) * 1980-07-04 1982-01-20 The Dow Chemical Company Method for removing chlorate from caustic solutions with electrolytically deposited iron and process for recovering said iron from said purified solutions

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2011196A1 (en) * 1969-03-11 1970-10-22 PPG Industries Inc., Pittsburgh, Pa, (V.St.A.) Method and device for cleaning alkali metal hydroxide solutions
FR2034821A1 (en) * 1969-03-11 1970-12-18 Ppg Industries Inc
EP0043871A1 (en) * 1980-07-04 1982-01-20 The Dow Chemical Company Method for removing chlorate from caustic solutions with electrolytically deposited iron and process for recovering said iron from said purified solutions

Also Published As

Publication number Publication date
GB1169206A (en) 1969-10-29
SE332623B (en) 1971-02-15
CH475916A (en) 1969-07-31
NO117360B (en) 1969-08-04
DE1592022B1 (en) 1971-02-18

Similar Documents

Publication Publication Date Title
CH415572A (en) Process for separating an alkali metal dithionite from a solution containing it
CH419072A (en) Process for electrolysis of an alkali metal chloride solution
FR1505466A (en) Process for removing metal ions contaminating an aqueous solution of alkali metal hydroxide
OA01962A (en) Dusting of fumes from an alumina electrolysis workshop.
CH427771A (en) Process for the production of alkali metal salts of isohumulones
FR1445478A (en) Process for the protection of metal surfaces against chemical plating
FR1512662A (en) Process for the regeneration of an alkali metal citrate from aqueous dispersions of used citrate
CA962456A (en) Process for removing zinc from industrial sodium aluminate liquor
FR1513760A (en) Process for crystallizing sodium hydroxide monohydrate
CH378298A (en) Process for cooling an alkali metal hydroxide solution
AU430282B2 (en) Process forthe removal. of metal ion contaminant from aqueous solutions of alkali metal hydroxide
FR1512014A (en) Process for removing iron from concentrated solutions of barium hydroxide
AU1209766A (en) Process forthe removal. of metal ion contaminant from aqueous solutions of alkali metal hydroxide
FR1374503A (en) Process for separating anionic surfactants from aqueous solutions
CA715474A (en) Process for the production of caustic alkali solutions from alkali metal amalgams and apparatus therefor
FR1474885A (en) Process for descaling devices used for the concentration of sodium aluminate solutions
FR1437251A (en) Process for maintaining the effectiveness of aqueous solutions of alkali metal silicates
FR1357318A (en) Process for recovering sodium salts from waste liquors
BR7300196D0 (en) PROCESS FOR REMOVING SODIUM CHLORATE FROM CONCENTRATED SOLUTIONS OF CAUSTIC SODA
BE619921A (en) Process for decomposing alkali metal amalgams
FR1341842A (en) Purification process for caustic soda lye
FR1326598A (en) Process for treating solutions of products from the fission of uranium-molybdenum alloys
FR1332545A (en) Process for the production of magnesium hydroxide
ZA713177B (en) Process for the recovery of acrylonitrile from aqueous solutions
FR1288856A (en) Sheet metal processing process for stamping