RO88174B1 - Procedeu de separare a elementelor metalice din namoluri rezultate prin epurarea chimica a apelor reziduale - Google Patents
Procedeu de separare a elementelor metalice din namoluri rezultate prin epurarea chimica a apelor rezidualeInfo
- Publication number
- RO88174B1 RO88174B1 RO11324384A RO11324384A RO88174B1 RO 88174 B1 RO88174 B1 RO 88174B1 RO 11324384 A RO11324384 A RO 11324384A RO 11324384 A RO11324384 A RO 11324384A RO 88174 B1 RO88174 B1 RO 88174B1
- Authority
- RO
- Romania
- Prior art keywords
- metallic elements
- ratio
- separating metallic
- purifying sewage
- treatment
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000010865 sewage Substances 0.000 title 1
- 239000010802 sludge Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000005063 solubilization Methods 0.000 abstract 1
- 230000007928 solubilization Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 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
- Treatment Of Sludge (AREA)
Abstract
Inventia de fata se refera la un procedeu de separare a elementelor metalice din namoluri rezultate prin epurare chimica a apelor reziduale privenite din industria miniera, metalurgica si chimica de la acoperiri galvanice. Procedeul efectueaza tratarea namolului cu solutie carboamoniacala cu continut de 7% NH3 si 5% CO în vederea solubilizarii Cu, Zn si Ni, în prima treapta la un raport de 40m3 solutie/to namol la 60 degree C, iar în a doua la un raport de 1m3, solutie/to namol la 80 degree C si la o durata de tratare de 1h/treapta, urmata de filtrarea si spalarea turtei insolubile, dupa fiecare treapta de solubilizare, dupa care turta insolubila se trateaza timp de 0,5 h la pH 10,5-11, la un raport S:L de 1:2 cu solutie alcalina oxidanta în vederea solubilizarii cromului continut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO11324384A RO88174B1 (ro) | 1984-01-07 | 1984-01-07 | Procedeu de separare a elementelor metalice din namoluri rezultate prin epurarea chimica a apelor reziduale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO11324384A RO88174B1 (ro) | 1984-01-07 | 1984-01-07 | Procedeu de separare a elementelor metalice din namoluri rezultate prin epurarea chimica a apelor reziduale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO88174A2 RO88174A2 (ro) | 1985-12-30 |
| RO88174B1 true RO88174B1 (ro) | 1985-12-31 |
Family
ID=20114230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO11324384A RO88174B1 (ro) | 1984-01-07 | 1984-01-07 | Procedeu de separare a elementelor metalice din namoluri rezultate prin epurarea chimica a apelor reziduale |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO88174B1 (ro) |
-
1984
- 1984-01-07 RO RO11324384A patent/RO88174B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO88174A2 (ro) | 1985-12-30 |
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