FR2095714A5 - Using rock salt to prepare brines for elec- - trolysis processes - Google Patents

Using rock salt to prepare brines for elec- - trolysis processes

Info

Publication number
FR2095714A5
FR2095714A5 FR7119684A FR7119684A FR2095714A5 FR 2095714 A5 FR2095714 A5 FR 2095714A5 FR 7119684 A FR7119684 A FR 7119684A FR 7119684 A FR7119684 A FR 7119684A FR 2095714 A5 FR2095714 A5 FR 2095714A5
Authority
FR
France
Prior art keywords
trolysis
brines
elec
prepare
processes
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
FR7119684A
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.)
Solvay SA
Original Assignee
Solvay SA
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 Solvay SA filed Critical Solvay SA
Application granted granted Critical
Publication of FR2095714A5 publication Critical patent/FR2095714A5/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
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/04—Chlorides
    • C01D3/08—Preparation by working up natural or industrial salt mixtures or siliceous minerals
    • 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
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/36—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in mercury cathode cells
    • 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
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes

Abstract

The brine is treated by any conventional method so that its concentration (a) in calcium ion expressed in g/l. and its concentration (b) in sulphate ion expressed in g/l. are such, that the product a x b is between 2 and 8.5.
FR7119684A 1970-06-10 1971-05-28 Using rock salt to prepare brines for elec- - trolysis processes Expired FR2095714A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE90155 1970-06-10

Publications (1)

Publication Number Publication Date
FR2095714A5 true FR2095714A5 (en) 1972-02-11

Family

ID=3841366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7119684A Expired FR2095714A5 (en) 1970-06-10 1971-05-28 Using rock salt to prepare brines for elec- - trolysis processes

Country Status (3)

Country Link
DE (1) DE2127438C3 (en)
FR (1) FR2095714A5 (en)
NL (1) NL7107161A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747917A (en) * 1987-03-02 1988-05-31 Olin Corporation Scale-free process for purifying concentrated alkali metal halide brines containing sulfate ions as an impurity

Also Published As

Publication number Publication date
NL7107161A (en) 1971-12-14
DE2127438C3 (en) 1980-11-20
DE2127438B2 (en) 1980-03-27
DE2127438A1 (en) 1971-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse