GB1503480A

GB1503480A – Nickel electrowinning process
– Google Patents

GB1503480A – Nickel electrowinning process
– Google Patents
Nickel electrowinning process

Info

Publication number
GB1503480A

GB1503480A
GB4498/77A
GB449877A
GB1503480A
GB 1503480 A
GB1503480 A
GB 1503480A
GB 4498/77 A
GB4498/77 A
GB 4498/77A
GB 449877 A
GB449877 A
GB 449877A
GB 1503480 A
GB1503480 A
GB 1503480A
Authority
GB
United Kingdom
Prior art keywords
cathode
free
feb
agent
electrowinning process
Prior art date
1976-02-09
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
GB4498/77A
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.)

Vale Canada Ltd

Original Assignee
Vale Canada Ltd
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.)
1976-02-09
Filing date
1977-02-03
Publication date
1978-03-08

1977-02-03
Application filed by Vale Canada Ltd
filed
Critical
Vale Canada Ltd

1978-03-08
Publication of GB1503480A
publication
Critical
patent/GB1503480A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR

C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR

C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions

C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese

C25C1/08—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of nickel or cobalt

Abstract

1503480 Electrowinning nickel INCO Ltd 3 Feb 1977 [9 Feb 1976] 04498/77 Heading C7B Ni is electrowon as a levelled S-free deposit at least 0À17 cm thick on a reusable cathode mandrel by electro-deposition at 30 to 90C, cathode current density of at least 200 A/m2 for at least 40 hours, from an aqueous Cl-free electrolyte containing 40 to 130 g/l Ni as SO 4 , 0À5 to 25 g/l MgSO 4 , 75 to 150 g/l Na 2 SO 4 , 0 to 50 g/l boric acid and 30 to 80 mg/l S-free hydrophilic polymer as levelling agent, e.g. dextrin, gum arabic or watersoluble derivative of (such as Na carboxymethyl) cellulose. An anti-misting agent or wetting agent e.g. Na lauryl sulphate is also present. A sand-blasted Ti cathode, preferably bagged and masked with TiO 2 pigmented epoxy paint, a 4% Pb-Sb anode and a polyester cloth diaphragm may be used

GB4498/77A
1976-02-09
1977-02-03
Nickel electrowinning process

Expired

GB1503480A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

CA245,281A

CA1052727A
(en)

1976-02-09
1976-02-09
Nickel electrowinning process

Publications (1)

Publication Number
Publication Date

GB1503480A
true

GB1503480A
(en)

1978-03-08

Family
ID=4105185
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB4498/77A
Expired

GB1503480A
(en)

1976-02-09
1977-02-03
Nickel electrowinning process

Country Status (10)

Country
Link

US
(1)

US4078979A
(en)

JP
(1)

JPS5297321A
(en)

CA
(1)

CA1052727A
(en)

FI
(1)

FI770362A
(en)

FR
(1)

FR2340381A1
(en)

GB
(1)

GB1503480A
(en)

IN
(1)

IN145229B
(en)

NO
(1)

NO770332L
(en)

PH
(1)

PH13276A
(en)

ZA
(1)

ZA77225B
(en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1352328A
(en)

*

1914-12-28
1920-09-07
Hanson & Van Winkle Company
Nickel-plating

US2061592A
(en)

*

1935-03-21
1936-11-24
Felix R Rapids
Composition for and method of metal electroplating

FR813548A
(en)

*

1936-11-16
1937-06-03
Mond Nickel Co Ltd

Process for obtaining shiny or semi-shiny nickel deposits

US2615837A
(en)

*

1947-11-20
1952-10-28
Wyandotte Chemicals Corp
Electroplating bath and process

FR2029120A5
(en)

*

1969-01-10
1970-10-16
Commissariat Energie Atomique

CA1019278A
(en)

*

1974-04-09
1977-10-18
Inco Limited
Electrowinning nickel from sulfate electrolyte

1976

1976-02-09
CA
CA245,281A
patent/CA1052727A/en
not_active
Expired

1977

1977-01-17
IN
IN65/CAL/1977A
patent/IN145229B/en
unknown

1977-01-17
ZA
ZA00770225A
patent/ZA77225B/en
unknown

1977-01-17
PH
PH19351A
patent/PH13276A/en
unknown

1977-01-26
US
US05/762,737
patent/US4078979A/en
not_active
Expired – Lifetime

1977-02-01
NO
NO770332A
patent/NO770332L/en
unknown

1977-02-02
FI
FI770362A
patent/FI770362A/fi
unknown

1977-02-03
GB
GB4498/77A
patent/GB1503480A/en
not_active
Expired

1977-02-07
FR
FR7703347A
patent/FR2340381A1/en
active
Granted

1977-02-09
JP
JP1349277A
patent/JPS5297321A/en
active
Pending

Also Published As

Publication number
Publication date

US4078979A
(en)

1978-03-14

CA1052727A
(en)

1979-04-17

FR2340381A1
(en)

1977-09-02

ZA77225B
(en)

1978-03-29

FI770362A
(en)

1977-08-10

NO770332L
(en)

1977-08-10

AU2136677A
(en)

1978-07-27

IN145229B
(en)

1978-09-16

PH13276A
(en)

1980-02-27

JPS5297321A
(en)

1977-08-16

FR2340381B1
(en)

1981-12-31

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Legal Events

Date
Code
Title
Description

1978-07-19
PS
Patent sealed [section 19, patents act 1949]

1982-09-02
PCNP
Patent ceased through non-payment of renewal fee

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