RO81256B1 - Procedeu de extragere a mercurului din fluidele reziduale de la electroliza - Google Patents
Procedeu de extragere a mercurului din fluidele reziduale de la electrolizaInfo
- Publication number
- RO81256B1 RO81256B1 RO10249580A RO10249580A RO81256B1 RO 81256 B1 RO81256 B1 RO 81256B1 RO 10249580 A RO10249580 A RO 10249580A RO 10249580 A RO10249580 A RO 10249580A RO 81256 B1 RO81256 B1 RO 81256B1
- Authority
- RO
- Romania
- Prior art keywords
- mercury
- electrolysis
- elution
- residual fluids
- followed
- Prior art date
Links
- 238000005868 electrolysis reaction Methods 0.000 title abstract 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052753 mercury Inorganic materials 0.000 title abstract 3
- 239000012530 fluid Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 238000010828 elution Methods 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 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
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Procedeul de extragere a mercurului din fluide reziduale de la electroliza, conform inventiei prin schimb ionic, urmat de eluare cu solutie alcalinizata de Na2S si de separare electrolitica a mercurului din eluat, în scopul obtinerii unor randamente ridicate de extragere a Hg2+, se aduc în contact solutiile reziduale cu continut de 7....9 mg/l Hg2+ cu un debit de 500....600 ml/h cu cationat tip vionit CS3, acidulat preliminar si barbotat cu aer pentru eliminarea clorului, dupa care eluarea se face cu solutie de NaOH la pH = 13, pentru regenerarea concomitenta a cationatului si eluatul obtinut se aduce la concentratia de 40 g Hg2+/1, în vederea electrolizei.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO10249580A RO81256B1 (ro) | 1980-11-04 | 1980-11-04 | Procedeu de extragere a mercurului din fluidele reziduale de la electroliza |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO10249580A RO81256B1 (ro) | 1980-11-04 | 1980-11-04 | Procedeu de extragere a mercurului din fluidele reziduale de la electroliza |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81256A2 RO81256A2 (ro) | 1983-02-15 |
| RO81256B1 true RO81256B1 (ro) | 1983-02-28 |
Family
ID=20109118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO10249580A RO81256B1 (ro) | 1980-11-04 | 1980-11-04 | Procedeu de extragere a mercurului din fluidele reziduale de la electroliza |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO81256B1 (ro) |
-
1980
- 1980-11-04 RO RO10249580A patent/RO81256B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO81256A2 (ro) | 1983-02-15 |
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