IT1211763B - PROCEDURE FOR THE SEPARATION OF TALLIUM FROM WORK LEAD AND REFINED LEAD - Google Patents
PROCEDURE FOR THE SEPARATION OF TALLIUM FROM WORK LEAD AND REFINED LEADInfo
- Publication number
- IT1211763B IT1211763B IT8748367A IT4836787A IT1211763B IT 1211763 B IT1211763 B IT 1211763B IT 8748367 A IT8748367 A IT 8748367A IT 4836787 A IT4836787 A IT 4836787A IT 1211763 B IT1211763 B IT 1211763B
- Authority
- IT
- Italy
- Prior art keywords
- lead
- tallium
- separation
- procedure
- refined
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B61/00—Obtaining metals not elsewhere provided for in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/06—Refining
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863631196 DE3631196A1 (en) | 1986-09-13 | 1986-09-13 | Process for removing thallium from crude lead and high-purity lead |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8748367A0 IT8748367A0 (en) | 1987-09-08 |
IT1211763B true IT1211763B (en) | 1989-11-03 |
Family
ID=6309518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8748367A IT1211763B (en) | 1986-09-13 | 1987-09-08 | PROCEDURE FOR THE SEPARATION OF TALLIUM FROM WORK LEAD AND REFINED LEAD |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN1007269B (en) |
CA (1) | CA1337578C (en) |
DE (1) | DE3631196A1 (en) |
IT (1) | IT1211763B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3922073A1 (en) * | 1989-07-05 | 1991-01-17 | Metallgesellschaft Ag | METHOD FOR REMOVING THALLIUM FROM WORK LEAD |
US5171550A (en) * | 1989-07-05 | 1992-12-15 | Metallgesellschaft Ag | Process for removing thallium from lead bullion |
CN101928841B (en) * | 2010-03-24 | 2011-10-26 | 峨嵋半导体材料研究所 | Preparation process of hyperpure lead |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52143918A (en) * | 1976-05-27 | 1977-11-30 | Nippon Mining Co Ltd | Separation of thallium from lead |
-
1986
- 1986-09-13 DE DE19863631196 patent/DE3631196A1/en active Granted
-
1987
- 1987-08-29 CN CN87106009.4A patent/CN1007269B/en not_active Expired
- 1987-09-08 IT IT8748367A patent/IT1211763B/en active
- 1987-09-11 CA CA000546647A patent/CA1337578C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT8748367A0 (en) | 1987-09-08 |
CN87106009A (en) | 1988-05-04 |
DE3631196C2 (en) | 1989-10-19 |
DE3631196A1 (en) | 1988-03-24 |
CN1007269B (en) | 1990-03-21 |
CA1337578C (en) | 1995-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19930929 |