IT1149080B - Flash smelting polymetallic sulphidic materials - Google Patents
Flash smelting polymetallic sulphidic materialsInfo
- Publication number
- IT1149080B IT1149080B IT49125/82A IT4912582A IT1149080B IT 1149080 B IT1149080 B IT 1149080B IT 49125/82 A IT49125/82 A IT 49125/82A IT 4912582 A IT4912582 A IT 4912582A IT 1149080 B IT1149080 B IT 1149080B
- Authority
- IT
- Italy
- Prior art keywords
- lead
- zinc
- concentrates
- sulphidic
- ores
- Prior art date
Links
- 238000003723 Smelting Methods 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000003575 carbonaceous material Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 229910000464 lead oxide Inorganic materials 0.000 abstract 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Sulphidic ores and/or concentrates are flash smelted, together with recycled dust and a flux having a CaO:SiO2 ratio of 0.65-0.75, in a vertical flame in a technical oxygen atmos. to obtain 85-100% desulphurisation and the resulting dispersed melt is reduced at 1100 deg.C by direct filtration using a bed of carbonaceous material in the path of the flame. The process is esp. useful for lead recovery from sulphidic lead or lead-zinc ores and/or concentrates and gives a 7-9.5 fold increase in productivity, 5-10% increase in lead recovery, and improved quality of the zinc sublimate obtd. on processing the zinc-contg. slag by-prod. due to the redn. in lead oxide content.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49125/82A IT1149080B (en) | 1982-09-15 | 1982-09-15 | Flash smelting polymetallic sulphidic materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49125/82A IT1149080B (en) | 1982-09-15 | 1982-09-15 | Flash smelting polymetallic sulphidic materials |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8249125A0 IT8249125A0 (en) | 1982-09-15 |
IT1149080B true IT1149080B (en) | 1986-12-03 |
Family
ID=11269717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49125/82A IT1149080B (en) | 1982-09-15 | 1982-09-15 | Flash smelting polymetallic sulphidic materials |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1149080B (en) |
-
1982
- 1982-09-15 IT IT49125/82A patent/IT1149080B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8249125A0 (en) | 1982-09-15 |
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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: 19970929 |