FI874697A0 - Elektrokemiskt avlaegsnande av krom ur kloratloesning. - Google Patents

Elektrokemiskt avlaegsnande av krom ur kloratloesning.

Info

Publication number: FI874697A0
Authority: FI; Finland
Prior art keywords: kloratloesning; elektrokemiskt; avlaegsnande; krom; elektrokemiskt avlaegsnande
Prior art date: 1986-10-29

Application number

FI874697A

Other languages

English (en)

Other versions

FI874697A (fi

Inventor

Marek Lipsztajn

Original Assignee

Tenneco Canada 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.)

1986-10-29

Filing date

1987-10-26

Publication date

1987-10-26

1986-10-29 Priority claimed from CA000521734A external-priority patent/CA1257223A/en

1987-10-26 Application filed by Tenneco Canada Inc filed Critical Tenneco Canada Inc

1987-10-26 Publication of FI874697A0 publication Critical patent/FI874697A0/fi

1988-04-30 Publication of FI874697A publication Critical patent/FI874697A/fi

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
- C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
- 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
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between them
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
- C02F2001/46157—Perforated or foraminous electrodes
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
- C02F2001/46157—Perforated or foraminous electrodes
- C02F2001/46161—Porous electrodes
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Life Sciences & Earth Sciences (AREA)
General Chemical & Material Sciences (AREA)
Hydrology & Water Resources (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Inorganic Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Water Treatment By Electricity Or Magnetism (AREA)

FI874697A 1986-10-29 1987-10-26 Elektrokemiskt avlaegsnande av krom ur kloratloesning. FI874697A (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000521734A CA1257223A (en)	1988-02-01	1986-10-29	Electrochemical removal of chromium from chlorate solutions

Publications (2)

Publication Number	Publication Date
FI874697A0 true FI874697A0 (fi)	1987-10-26
FI874697A FI874697A (fi)	1988-04-30

Family

ID=4134243

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI874697A FI874697A (fi)	1986-10-29	1987-10-26	Elektrokemiskt avlaegsnande av krom ur kloratloesning.

Country Status (8)

Country	Link
EP (1)	EP0267704A1 (fi)
JP (1)	JPS63118085A (fi)
AU (1)	AU594519B2 (fi)
BR (1)	BR8705784A (fi)
DD (1)	DD262679A5 (fi)
FI (1)	FI874697A (fi)
PT (1)	PT86001B (fi)
ZA (1)	ZA877762B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1252753A (en) *	1986-10-29	1989-04-18	Sterling Canada, Inc.	Selective removal of chlorine from solutions of chlorine dioxide and chlorine
EP0474936A1 (en) *	1990-09-14	1992-03-18	The State Of Israel, Atomic Energy Commission, Nuclear Research Center Negev	Electrochemical process for purifying chromium-containing wastes
DE19519177C2 (de) *	1995-05-24	1999-05-12	Warnecke Hans Joachim Prof Dr	Verfahren und Vorrichtung zur Abfall-CSB-Wert-Verminderung
IL128081A (en)	1999-01-15	2003-02-12	Israel Aircraft Ind Ltd	REACTOR FOR ELECTROLYTIC REDUCTION OF Cr<+6>
US20070026205A1 (en)	2005-08-01	2007-02-01	Vapor Technologies Inc.	Article having patterned decorative coating
JP2010132970A (ja) *	2008-12-04	2010-06-17	Hosoda Denki:Kk	６価クロムの除去方法とその除去装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1334794A (fr) *	1961-10-12	1963-08-09	Feldmuehle Ag	Procédé d'épuration préliminaire de saumures salines destinées à l'électrolyse des chlorures alcalins
US4273628A (en) *	1979-05-29	1981-06-16	Diamond Shamrock Corp.	Production of chromic acid using two-compartment and three-compartment cells
US4268486A (en) *	1979-07-02	1981-05-19	Olin Corporation	Selective chromate removal from a chlorate solution
US4773975A (en) *	1986-10-29	1988-09-27	Tenneco Canada Inc.	Electrochemical removal of hypochlorites from chlorate cell liquors
CA1252752A (en) *	1986-10-29	1989-04-18	Leszek M. Dobosz	Production of hexavalent chromium for use in chlorate cells

1987
- 1987-10-15 ZA ZA877762A patent/ZA877762B/xx unknown
- 1987-10-22 EP EP87309336A patent/EP0267704A1/en not_active Withdrawn
- 1987-10-26 FI FI874697A patent/FI874697A/fi not_active Application Discontinuation
- 1987-10-27 PT PT86001A patent/PT86001B/pt not_active IP Right Cessation
- 1987-10-27 DD DD87308305A patent/DD262679A5/de not_active IP Right Cessation
- 1987-10-28 AU AU80421/87A patent/AU594519B2/en not_active Ceased
- 1987-10-29 JP JP62271987A patent/JPS63118085A/ja active Granted
- 1987-10-29 BR BR8705784A patent/BR8705784A/pt unknown

Also Published As

Publication number	Publication date
PT86001B (pt)	1990-11-20
AU8042187A (en)	1988-05-05
PT86001A (en)	1987-11-01
AU594519B2 (en)	1990-03-08
DD262679A5 (de)	1988-12-07
ZA877762B (en)	1988-04-20
BR8705784A (pt)	1988-05-31
EP0267704A1 (en)	1988-05-18
FI874697A (fi)	1988-04-30
JPS63118085A (ja)	1988-05-23
JPH028031B2 (fi)	1990-02-22

Legal Events

Date	Code	Title	Description
2004-08-31	FD	Application lapsed	Owner name: TENNECO CANADA INC.

Publication	Publication Date	Title
FI873346A (fi)	1988-02-06	Foerfarande foer framstaellning av morfologiskt homogena former av thiazolderivat.
FI77063B (fi)	1988-09-30	Foerfarande foer effektivering av fibersuspensionstvaett.
FI860502A0 (fi)	1986-02-04	Anordning foer skaerpning av knivar.
FI82029B (fi)	1990-09-28	Anordning foer vaermehaerdning av glasskivor.
FI873101A (fi)	1988-01-25	Redskap foer utklaemning av foeremaol ur foerpackningsutrymmen.
FI880260A0 (fi)	1988-01-21	Foerfarande foer avskiljande av gasformigt kvicksilver ur gaser.
FI872273A (fi)	1987-11-23	Foerbaettrat skaerhuvud foer en roterande fanersvarv foer utsvarvning av faner ur traeblock.
FI872216A (fi)	1987-11-22	Avlaegsnande av krom ur cellvaetska.
FI860245A0 (fi)	1986-01-20	Foerfarande foer identifiering av en traeytas ytegenskaper.
FI874698A (fi)	1988-04-30	Foerfarande foer framstaellning av sexvaert krom anvaendbart i kloratceller.
FI874697A (fi)	1988-04-30	Elektrokemiskt avlaegsnande av krom ur kloratloesning.
FI874696A0 (fi)	1987-10-26	Elektrokemiskt avlaegsnande av hypokloriter ur kloratcelloesningar.
FI860379A0 (fi)	1986-01-27	Foerfarande foer framstaellning av ytbelaeggning.
FI874310A0 (fi)	1987-10-01	Foerfarande foer framstaellning av n-( -cyanoalkyl)aminofenoler.
FI871714A (fi)	1987-10-18	Foerfarande foer utvinning av elementaert svavel ur jaernsulfidmalm.
FI871451A (fi)	1987-11-18	Foerfarande foer avlaegsnande av kvicksilver ur arsenhaltig avfallsvavelsyra.
FI871715A0 (fi)	1987-04-16	Foerbaettring av svavelextraktion ur jaernmalm behandlat med oxideringsextraktion.
FI883139A (fi)	1989-01-03	Foerfarande foer framstaellning av l-fenylalanin ur bensylidenhydantoin.
IT8618806V0 (it)	1986-06-30	Lava - pentole n.2
FI77953B (fi)	1989-01-31	Koppling foer en likspaenningskaella av resonanstyp.
FI873062A (fi)	1989-01-11	Foerbaettrat foerfarande foer tillvaratagande av daunorubicinhydroklorid ur fermenteringsmedium.
FI860183A0 (fi)	1986-01-15	Foerfarande foer straolbehandling av laonga flexibla foeremaol.
FI860129A (fi)	1987-07-14	Anordning foer faestande av sidoplogs vaendskiva.
FI860144A0 (fi)	1986-01-13	Foerfarande foer framstaellning av fiskfoderpellets.
FI860071A (fi)	1987-07-09	Lyftanordning foer installering av vertikalelement.