JPS6415389A - Method for electrolytically refining copper - Google Patents

Method for electrolytically refining copper

Info

Publication number
JPS6415389A
JPS6415389A JP62170266A JP17026687A JPS6415389A JP S6415389 A JPS6415389 A JP S6415389A JP 62170266 A JP62170266 A JP 62170266A JP 17026687 A JP17026687 A JP 17026687A JP S6415389 A JPS6415389 A JP S6415389A
Authority
JP
Japan
Prior art keywords
copper
soln
high purity
crystals
purity
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.)
Granted
Application number
JP62170266A
Other languages
Japanese (ja)
Other versions
JPH089790B2 (en
Inventor
Koichi Tamura
Sadahiko Sanki
Yasuhiko Miyake
Masayuki Onose
Katsuo Sekida
Takeshi Seya
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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.)
Filing date
Publication date
Application filed by Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP62170266A priority Critical patent/JPH089790B2/en
Publication of JPS6415389A publication Critical patent/JPS6415389A/en
Publication of JPH089790B2 publication Critical patent/JPH089790B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

  • Electrolytic Production Of Metals (AREA)

Abstract

PURPOSE:To reduce the amt. of S in electrodeposited Cu without increasing a man-hour and to produce high purity copper by using an aq. soln. contg. copper nitrate and copper sulfate as essential components as an electrolytic soln. CONSTITUTION:High purity refined copper nitrate [Cu(NO3)2.3H2O] crystals and copper sulfate (CuSO4.5H2O) crystals are dissolved in pure water in a prescribed molar ratio (m); (0.23<m<150). Oxygen-free copper of 99.996% purity as the anode is put in the resulting aq. soln. and electrolytic refining is carried out at 3.4A/dm<2> cathode current density and 25 deg.C to deposit refined copper on the cathode. By this method, high purity copper having a high residual resistance ratio (RRR) is obtd.
JP62170266A 1987-07-08 1987-07-08 Copper electrolytic refining method Expired - Fee Related JPH089790B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62170266A JPH089790B2 (en) 1987-07-08 1987-07-08 Copper electrolytic refining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62170266A JPH089790B2 (en) 1987-07-08 1987-07-08 Copper electrolytic refining method

Publications (2)

Publication Number Publication Date
JPS6415389A true JPS6415389A (en) 1989-01-19
JPH089790B2 JPH089790B2 (en) 1996-01-31

Family

ID=15901750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62170266A Expired - Fee Related JPH089790B2 (en) 1987-07-08 1987-07-08 Copper electrolytic refining method

Country Status (1)

Country Link
JP (1) JPH089790B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939532A (en) * 1972-08-21 1974-04-13
JPS4972122A (en) * 1972-09-27 1974-07-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939532A (en) * 1972-08-21 1974-04-13
JPS4972122A (en) * 1972-09-27 1974-07-12

Also Published As

Publication number Publication date
JPH089790B2 (en) 1996-01-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees