JPS56136941A - Manufacture of high purity metallic thallium from thallium-containing smelting intermediate - Google Patents

Manufacture of high purity metallic thallium from thallium-containing smelting intermediate

Info

Publication number
JPS56136941A
JPS56136941A JP4071980A JP4071980A JPS56136941A JP S56136941 A JPS56136941 A JP S56136941A JP 4071980 A JP4071980 A JP 4071980A JP 4071980 A JP4071980 A JP 4071980A JP S56136941 A JPS56136941 A JP S56136941A
Authority
JP
Japan
Prior art keywords
sulfuric acid
thallium
high purity
soln
purity metallic
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
JP4071980A
Other languages
Japanese (ja)
Other versions
JPS6154847B2 (en
Inventor
Yoshio Higashitsuji
Hiroyuki Shimatani
Kazuo Ikeda
Shuichi Shimizu
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.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal Mining Co 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 Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Priority to JP4071980A priority Critical patent/JPS56136941A/en
Publication of JPS56136941A publication Critical patent/JPS56136941A/en
Publication of JPS6154847B2 publication Critical patent/JPS6154847B2/ja
Granted 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

  • Manufacture And Refinement Of Metals (AREA)

Abstract

PURPOSE: To inexpensively recover high purity metallic Tl from a Tl-contg. smelting intermediate by adding a reducing agent to the intermediate, dissolving them in a sulfuric acid soln., separating the residue, adding soda ash to the soln. to remove the resulting precipitate, making the soln. acidic with sulfuric acid, and adding Zn powder.
CONSTITUTION: To a smelting intermediate contg. Zn, Pb, Cd, Mn, Fe, etc. as well as Tl is added Na2SO3 or gaseous SO2 as a reducing agent, and they are dissolved in a sulfuric acid soln. so as to adjust the concn. of sulfuric acid to ≥1mol/l. After separating and removing the residue, the filtrate is adjusted to ≥9pH with soda ash or K2CO3, and the resulting precipitate is separated and removed. The filtrate is then adjusted to ≤2.5pH with sulfuric acid, and by adding Zn powder in an amount corresponding to ≤90% of the stoichiometric amount of Zn required to substitute for all of Tl in the filtrate, cementation is carried out to recover high purity metallic Tl. Since complex apparatus and operation for electrolysis or other process are unnecessary, Tl is recovered inexpensively.
COPYRIGHT: (C)1981,JPO&Japio
JP4071980A 1980-03-29 1980-03-29 Manufacture of high purity metallic thallium from thallium-containing smelting intermediate Granted JPS56136941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4071980A JPS56136941A (en) 1980-03-29 1980-03-29 Manufacture of high purity metallic thallium from thallium-containing smelting intermediate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4071980A JPS56136941A (en) 1980-03-29 1980-03-29 Manufacture of high purity metallic thallium from thallium-containing smelting intermediate

Publications (2)

Publication Number Publication Date
JPS56136941A true JPS56136941A (en) 1981-10-26
JPS6154847B2 JPS6154847B2 (en) 1986-11-25

Family

ID=12588398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4071980A Granted JPS56136941A (en) 1980-03-29 1980-03-29 Manufacture of high purity metallic thallium from thallium-containing smelting intermediate

Country Status (1)

Country Link
JP (1) JPS56136941A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01230733A (en) * 1988-03-09 1989-09-14 Mitsubishi Metal Corp Manufacture of high purity thallium
JPH04103731A (en) * 1990-08-24 1992-04-06 Sumitomo Metal Mining Co Ltd Method for recovering tallium
JP2015183213A (en) * 2014-03-24 2015-10-22 Ｄｏｗａホールディングス株式会社 Method for producing metal thallium
CN105349804A (en) * 2015-11-26 2016-02-24 贵州理工学院 Extraction and separation method of Tl forms in plants

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01230733A (en) * 1988-03-09 1989-09-14 Mitsubishi Metal Corp Manufacture of high purity thallium
JPH04103731A (en) * 1990-08-24 1992-04-06 Sumitomo Metal Mining Co Ltd Method for recovering tallium
JP2015183213A (en) * 2014-03-24 2015-10-22 Ｄｏｗａホールディングス株式会社 Method for producing metal thallium
CN105349804A (en) * 2015-11-26 2016-02-24 贵州理工学院 Extraction and separation method of Tl forms in plants

Also Published As

Publication number Publication date
JPS6154847B2 (en) 1986-11-25

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