ATE44164T1 - Verfahren zur elektrolyse einer sulfat enthaltenden salzloesung. - Google Patents

Verfahren zur elektrolyse einer sulfat enthaltenden salzloesung.

Info

Publication number: ATE44164T1
Authority: AT; Austria
Prior art keywords: electrolysis; saline solution; containing saline; sulphate containing; membrane
Prior art date: 1985-01-28

Application number

AT86300511T

Other languages

English (en)

Inventor

Thomas Charles Bissot

Original Assignee

Du Pont

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.)

1985-01-28

Filing date

1986-01-27

Publication date

1989-07-15

1986-01-27 Application filed by Du Pont filed Critical Du Pont

1989-07-15 Application granted granted Critical

1989-07-15 Publication of ATE44164T1 publication Critical patent/ATE44164T1/de

Links

QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title abstract 2
238000005868 electrolysis reaction Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title 1
229910021653 sulphate ion Inorganic materials 0.000 title 1
239000012528 membrane Substances 0.000 abstract 4
239000012267 brine Substances 0.000 abstract 2
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
235000011152 sodium sulphate Nutrition 0.000 abstract 1

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
- 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
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells

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)
Meat, Egg Or Seafood Products (AREA)

AT86300511T 1985-01-28 1986-01-27 Verfahren zur elektrolyse einer sulfat enthaltenden salzloesung. ATE44164T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/695,247 US4722772A (en)	1985-01-28	1985-01-28	Process for electrolysis of sulfate-containing brine
EP86300511A EP0196741B1 (de)	1985-01-28	1986-01-27	Verfahren zur Elektrolyse einer Sulfat enthaltenden Salzlösung

Publications (1)

Publication Number	Publication Date
ATE44164T1 true ATE44164T1 (de)	1989-07-15

Family

ID=24792226

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT86300511T ATE44164T1 (de)	1985-01-28	1986-01-27	Verfahren zur elektrolyse einer sulfat enthaltenden salzloesung.

Country Status (8)

Country	Link
US (1)	US4722772A (de)
EP (1)	EP0196741B1 (de)
JP (1)	JPS61194189A (de)
AT (1)	ATE44164T1 (de)
AU (1)	AU575707B2 (de)
BR (1)	BR8600245A (de)
CA (1)	CA1283624C (de)
DE (1)	DE3664057D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2044762B1 (es) *	1991-08-05	1994-09-01	Aragonesas Energ & Ind	Procedimiento integrado para el aprovechamiento de las purgas de salmuera en la fabricacion de cloro-sosa, por combinacion de la tecnologia de membranas y la de catodo de mercurio.
US5650060A (en) *	1994-01-28	1997-07-22	Minnesota Mining And Manufacturing Company	Ionically conductive agent, system for cathodic protection of galvanically active metals, and method and apparatus for using same

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA528331A (en) *		1956-07-24	C. Davis Walter	Production of caustic soda
US2902418A (en) *	1959-03-10	1959-09-01	Morton Salt Co	Preparation of pure sodium chloride brines
US3017245A (en) *	1960-01-14	1962-01-16	Dow Chemical Co	Removal of sodium sulfate from caustic salt
JPS5341555B2 (de) *	1972-06-30	1978-11-04
US4169023A (en) *	1974-02-04	1979-09-25	Tokuyama Soda Kabushiki Kaisha	Electrolytic diaphragms, and method of electrolysis using the same
JPS551351B2 (de) *	1974-03-07	1980-01-12
DE2450259B2 (de) *	1974-10-23	1979-03-29	Bayer Ag, 5090 Leverkusen	Verfahren zur Reinigung von Elektrolysesole
JPS529700A (en) *	1975-07-15	1977-01-25	Asahi Chem Ind Co Ltd	Manufacturing method of high purity caustic soda solution
DE2609828A1 (de) *	1976-03-10	1977-09-15	Bayer Ag	Verfahren zur reinigung von elektrolysesolen fuer diaphragmazellen
DE2709728C2 (de) *	1977-03-05	1981-10-29	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Chlor und Alkalihydroxid durch Elektrolyse unter Einsatz von calcium- und/oder sulfathaltigem Rohsalz
JPS5460294A (en) *	1977-10-21	1979-05-15	Asahi Glass Co Ltd	Electrolysis of aqueous alkali chrolide
US4146445A (en) *	1977-12-27	1979-03-27	Hooker Chemicals & Plastics Corp.	Method of electrolytically producing a purified alkali metal hydroxide solution
JPS5946316B2 (ja) *	1978-12-28	1984-11-12	鐘淵化学工業株式会社	電解法
JPS5633488A (en) *	1979-08-22	1981-04-03	Asahi Glass Co Ltd	Method for electrolysis of aqueous solution of alkali chloride
JPS5647576A (en) *	1979-09-27	1981-04-30	Tokuyama Soda Co Ltd	Preparation of sodium sulphate, sodium hydroxide and chlorine from mixed solution of sodium chloride and sodium sulphate
US4323437A (en) *	1981-02-09	1982-04-06	Fmc Corporation	Treatment of brine
US4410404A (en) *	1981-06-26	1983-10-18	Diamond Shamrock Corporation	Membrane cell at increased caustic concentration
US4488949A (en) *	1981-10-02	1984-12-18	The Dow Chemical Company	Removal of sulfate ions from brine

1985
- 1985-01-28 US US06/695,247 patent/US4722772A/en not_active Expired - Lifetime
1986
- 1986-01-21 CA CA000499936A patent/CA1283624C/en not_active Expired - Lifetime
- 1986-01-22 BR BR8600245A patent/BR8600245A/pt not_active IP Right Cessation
- 1986-01-23 AU AU52674/86A patent/AU575707B2/en not_active Ceased
- 1986-01-24 JP JP61012284A patent/JPS61194189A/ja active Granted
- 1986-01-27 DE DE8686300511T patent/DE3664057D1/de not_active Expired
- 1986-01-27 AT AT86300511T patent/ATE44164T1/de not_active IP Right Cessation
- 1986-01-27 EP EP86300511A patent/EP0196741B1/de not_active Expired

Also Published As

Publication number	Publication date
JPS61194189A (ja)	1986-08-28
AU5267486A (en)	1986-07-31
EP0196741B1 (de)	1989-06-21
EP0196741A1 (de)	1986-10-08
AU575707B2 (en)	1988-08-04
JPS6252034B2 (de)	1987-11-02
BR8600245A (pt)	1986-09-30
CA1283624C (en)	1991-04-30
DE3664057D1 (en)	1989-07-27
US4722772A (en)	1988-02-02

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Legal Events

Date	Code	Title	Description
1989-11-15	UEP	Publication of translation of european patent specification
1993-10-15	REN	Ceased due to non-payment of the annual fee