RO98782B1 - Procedeu de recuperare a reniului din solutii reziduale de la hidrometalurgia molibdenului - Google Patents
Procedeu de recuperare a reniului din solutii reziduale de la hidrometalurgia molibdenuluiInfo
- Publication number
- RO98782B1 RO98782B1 RO13048887A RO13048887A RO98782B1 RO 98782 B1 RO98782 B1 RO 98782B1 RO 13048887 A RO13048887 A RO 13048887A RO 13048887 A RO13048887 A RO 13048887A RO 98782 B1 RO98782 B1 RO 98782B1
- Authority
- RO
- Romania
- Prior art keywords
- charcoal
- absorption
- molybdenum
- rhenium
- low head
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229910052702 rhenium Inorganic materials 0.000 title abstract 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 title abstract 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 title abstract 2
- 239000011733 molybdenum Substances 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 4
- 239000003610 charcoal Substances 0.000 abstract 4
- 238000010521 absorption reaction Methods 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 240000000731 Fagus sylvatica Species 0.000 abstract 1
- 235000010099 Fagus sylvatica Nutrition 0.000 abstract 1
- 241000282941 Rangifer tarandus Species 0.000 abstract 1
- 241000282806 Rhinoceros Species 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 239000008367 deionised water Substances 0.000 abstract 1
- 229910021641 deionized water Inorganic materials 0.000 abstract 1
- 239000003480 eluent Substances 0.000 abstract 1
- 238000010828 elution Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
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
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Procedeul de recuperare a reniului din solutii reziduale de la recuperarea molibdenului, cu continut de 0,01...0,05 g/l Re, 0,2...0,7 g/l Mo, 70...90 g/l Cl-, 15...40 g/l SO supra 3 sub 4/e si pH=6...7,5, consta în absorbtia reniului pe carbune activ din lemn de fag cu granulatia de 0,4...5 mm, tratat initial cu acid clorhidric 5% si uscat la 150 degree C, pe coloana de absorbtie care are diametrul de 15...30 ori mai mare decât diametrul mediu al granulelor de carbune. Absorbtia reniului se realizeaza prin curgerea ascendenta a solutiei peste carbune cu o viteza de curgere de 600-1200 m/hm supra 2 pâna la saturarea carbunelui în reniu. Coloana cu carbune saturat în reniu se spala cu acid clorhidric si apa deionizata dupa care se elueaza reniul cu o solutie formata din 15...40 vol amoniac 25% si 85...60 vol alcool etilic 90...95% la temperatura de 55...75 degree C si viteza de curgere a eluentului de 500...750 m/hm supra 2. Din solutia alcoolica reniul se recupereaza prin concentrare si cristalizare, iar alcoolul si amoniacul, prin evaporare în condensare, si care apoi se recircula în procesul de elutie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO13048887A RO98782B1 (ro) | 1987-11-18 | 1987-11-18 | Procedeu de recuperare a reniului din solutii reziduale de la hidrometalurgia molibdenului |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO13048887A RO98782B1 (ro) | 1987-11-18 | 1987-11-18 | Procedeu de recuperare a reniului din solutii reziduale de la hidrometalurgia molibdenului |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO98782B1 true RO98782B1 (ro) | 1990-04-30 |
Family
ID=40906879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO13048887A RO98782B1 (ro) | 1987-11-18 | 1987-11-18 | Procedeu de recuperare a reniului din solutii reziduale de la hidrometalurgia molibdenului |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO98782B1 (ro) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010120405A1 (en) | 2009-04-16 | 2010-10-21 | Freeport-Mcmoran Corporation | Methods and systems for recoverying rhenium from a copper leach |
-
1987
- 1987-11-18 RO RO13048887A patent/RO98782B1/ro unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010120405A1 (en) | 2009-04-16 | 2010-10-21 | Freeport-Mcmoran Corporation | Methods and systems for recoverying rhenium from a copper leach |
| US8361192B2 (en) | 2009-04-16 | 2013-01-29 | Freeport-Mcmoran Corporation | Methods and systems for recovering rhenium from a copper leach |
| US8491700B2 (en) | 2009-04-16 | 2013-07-23 | Freeport-Mcmoran Corporation | Methods and systems for recovering rhenium from a copper leach |
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