BR8705784A - Remocao eletro-quimica do cromo de solucoes de clorato - Google Patents

Remocao eletro-quimica do cromo de solucoes de clorato

Info

Publication number: BR8705784A
Authority: BR; Brazil
Prior art keywords: chrome; electrochemical removal; chlorate solutions; chlorate; solutions
Prior art date: 1986-10-29

Application number

BR8705784A

Other languages

English (en)

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

1987-10-29

Publication date

1988-05-31

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

1987-10-29 Application filed by Tenneco Canada Inc filed Critical Tenneco Canada Inc

1988-05-31 Publication of BR8705784A publication Critical patent/BR8705784A/pt

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)

BR8705784A 1986-10-29 1987-10-29 Remocao eletro-quimica do cromo de solucoes de clorato BR8705784A (pt)

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 (1)

Publication Number	Publication Date
BR8705784A true BR8705784A (pt)	1988-05-31

Family

ID=4134243

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8705784A BR8705784A (pt)	1986-10-29	1987-10-29	Remocao eletro-quimica do cromo de solucoes de clorato

Country Status (8)

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

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
CA1252752A (en) *	1986-10-29	1989-04-18	Leszek M. Dobosz	Production of hexavalent chromium for use in chlorate cells
US4773975A (en) *	1986-10-29	1988-09-27	Tenneco Canada Inc.	Electrochemical removal of hypochlorites from chlorate cell liquors

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 DD DD87308305A patent/DD262679A5/de not_active IP Right Cessation
- 1987-10-27 PT PT86001A patent/PT86001B/pt not_active IP Right Cessation
- 1987-10-28 AU AU80421/87A patent/AU594519B2/en not_active Ceased
- 1987-10-29 BR BR8705784A patent/BR8705784A/pt unknown
- 1987-10-29 JP JP62271987A patent/JPS63118085A/ja active Granted

Also Published As

Publication number	Publication date
JPS63118085A (ja)	1988-05-23
EP0267704A1 (en)	1988-05-18
AU594519B2 (en)	1990-03-08
FI874697A (fi)	1988-04-30
PT86001A (en)	1987-11-01
JPH028031B2 (pt)	1990-02-22
DD262679A5 (de)	1988-12-07
FI874697A0 (fi)	1987-10-26
PT86001B (pt)	1990-11-20
AU8042187A (en)	1988-05-05
ZA877762B (en)	1988-04-20

Publication	Publication Date	Title
PT84415B (pt)	1989-10-04	Processo de purificacao de alfa-1-antiprotease
KR880701470A (ko)	1988-07-27	전 지
BG80504A (bg)	1993-12-24	Функционален блок на днк
BR8703943A (pt)	1988-04-05	Punconador de orificios e reforco
BR8706540A (pt)	1988-07-12	Pilha galvanica
DK597387A (da)	1988-05-22	Benzothiadiazinderivater
BR8807280A (pt)	1990-02-13	Tratamento de membranas permeaveis
BR8705784A (pt)	1988-05-31	Remocao eletro-quimica do cromo de solucoes de clorato
FI882867A (fi)	1988-06-15	Menetelmä metallipitoisten liuosten puhdistamiseksi
BR8705742A (pt)	1988-05-31	Retirada eletroquimica de hipocloritos de solucoes cloradas
GB8607777D0 (en)	1986-04-30	Electrochemical sensing of gases
BR8700842A (pt)	1987-12-15	Unidade de filtracao de gas
DK499887A (da)	1988-03-26	Elektrolysecelle
PT84582A (pt)	1988-10-14	Processo aperfeicoado de construcao de moradias
BR8503040A (pt)	1986-03-11	Processo de purificacao de tetracloreto de titanio
KR880701245A (ko)	1988-07-26	16α-메틸화공정
ES296589Y (es)	1988-11-16	Conjunto parcial de peluca
DK471787A (da)	1988-03-12	Stabiliserede oploesninger af photopolymere
BR6600925U (pt)	1988-02-09	Relogio de pilha
BR8505822A (pt)	1986-12-16	Processo de purificacao de eletrolito
RO91037A2 (ro)	1987-02-27	Generator electrotermic de aeroioni negativi
ES1000465Y (es)	1989-10-01	Disposicion de apertura de formularios
DK564286D0 (da)	1986-11-25	Elimination of false positive reactions in hiv diagnosis
RO94308A (ro)	1988-06-30	Procedeu de recuperare a deseurilor de piele
RO90465A2 (ro)	1986-10-30	Procedeu de modificare grafitizanta a fontelor