CA1187036A - Separation par precipitation chimique du chromate en presence dans le concentre de chlorate - Google Patents

Separation par precipitation chimique du chromate en presence dans le concentre de chlorate

Info

Publication number
CA1187036A
CA1187036A CA000441340A CA441340A CA1187036A CA 1187036 A CA1187036 A CA 1187036A CA 000441340 A CA000441340 A CA 000441340A CA 441340 A CA441340 A CA 441340A CA 1187036 A CA1187036 A CA 1187036A
Authority
CA
Canada
Prior art keywords
solution
aqueous
sodium
chlorate
alkali metal
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
CA000441340A
Other languages
English (en)
Inventor
Jerry J. Kaczur
Sudhir K. Mendiratta
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.)
Olin Corp
Original Assignee
Olin Corp
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
Priority claimed from US06/071,910 external-priority patent/US4259297A/en
Application filed by Olin Corp filed Critical Olin Corp
Application granted granted Critical
Publication of CA1187036A publication Critical patent/CA1187036A/fr
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
CA000441340A 1979-09-04 1983-11-16 Separation par precipitation chimique du chromate en presence dans le concentre de chlorate Expired CA1187036A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71,910 1979-09-04
US06/071,910 US4259297A (en) 1979-09-04 1979-09-04 Chromate removal from concentrated chlorate solution by chemical precipitation
CA000358812A CA1161784A (fr) 1979-09-04 1980-08-22 Elimination du chromate d'une solution concentree de chlorate par precipitation chimique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000358812A Division CA1161784A (fr) 1979-09-04 1980-08-22 Elimination du chromate d'une solution concentree de chlorate par precipitation chimique

Publications (1)

Publication Number Publication Date
CA1187036A true CA1187036A (fr) 1985-05-14

Family

ID=25669135

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000441340A Expired CA1187036A (fr) 1979-09-04 1983-11-16 Separation par precipitation chimique du chromate en presence dans le concentre de chlorate

Country Status (1)

Country Link
CA (1) CA1187036A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016012815A1 (fr) * 2014-07-25 2016-01-28 Ionex Sg Limited Procédé d'élimination d'ions chromate d'un effluent d'échange d'ions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016012815A1 (fr) * 2014-07-25 2016-01-28 Ionex Sg Limited Procédé d'élimination d'ions chromate d'un effluent d'échange d'ions

Similar Documents

Publication Publication Date Title
EP0025334B1 (fr) Elimination des chromates à partir de solutions concentrées de chlorates par précipitation chimique
US6143260A (en) Method for removing magnesium from brine to yield lithium carbonate
US4268486A (en) Selective chromate removal from a chlorate solution
CA1083780A (fr) Procede de purification de la saumure
US5211853A (en) Method for the removal of chromium compounds from aqueous solutions
US2860952A (en) Process for the recovery of dissolved mercury salts from brine effluent from mercury cathode electrolytic cells
US5215632A (en) Fluoride removal from aqueous streams
NZ244177A (en) Process for the manufacture of aqueous sodium chloride solution, and use thereof to manufacture sodium hydroxide by electrolysis
US4839003A (en) Process for producing alkali hydroxide, chlorine and hydrogen by the electrolysis of an aqueous alkali chloride solution in a membrane cell
US4804528A (en) Stripping and recovery of dichromate in electrolytic chlorate systems
US5482696A (en) Method for the purification and/or electrolysis of an aqueous potassium chloride solution
US5294307A (en) Integrated process for the production of alkali and alkaline earth metal chlorates and chlorine dioxide
EP0246871B1 (fr) Elimination du chrome d'une solution d'électrolyte
US3785942A (en) Process for the recovery of mercury from waste solids
CA1187036A (fr) Separation par precipitation chimique du chromate en presence dans le concentre de chlorate
CA2037718C (fr) Elimination des sulfates de solutions a base de chlorate de metaux alcalins et production de ces chlorates de metaux alcalins exempts de sulfates
US4966764A (en) Process for producing low aluminum membrane cell feedbrine
US2144299A (en) Method of making zinc carbonate and zinc oxide
US4012297A (en) Mercury recovery and recycle process
US4376099A (en) Process for recovering Cr(VI) ions from a chlorate cell liquor
US3843769A (en) Process for removing hexavalent chromium from chlorate containing liquors
WO2005068358A1 (fr) Production de matiere(s) utile(s) a partir d'acide epuise issu de la production de dioxyde de titane
US5294417A (en) Process for removal of mercury from hydroxyl-ammonium nitrate solutions
US5356610A (en) Method for removing impurities from an alkali metal chlorate process
US5350495A (en) Method for separating impurities from an aqueous alkali metal chlorate electrolyte

Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20020514