RO94262B1 - Procedeu de recuperare a co(ii) din apele reziduale prin precipitare-flotatie - Google Patents
Procedeu de recuperare a co(ii) din apele reziduale prin precipitare-flotatieInfo
- Publication number
- RO94262B1 RO94262B1 RO122451A RO12245186A RO94262B1 RO 94262 B1 RO94262 B1 RO 94262B1 RO 122451 A RO122451 A RO 122451A RO 12245186 A RO12245186 A RO 12245186A RO 94262 B1 RO94262 B1 RO 94262B1
- Authority
- RO
- Romania
- Prior art keywords
- flotation
- precipitating
- recovering
- recovery
- residual waters
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000005188 flotation Methods 0.000 title abstract 2
- 239000003643 water by type Substances 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 abstract 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 abstract 1
- 238000009300 dissolved air flotation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 abstract 1
- VYPDUQYOLCLEGS-UHFFFAOYSA-M sodium;2-ethylhexanoate Chemical compound [Na+].CCCCC(CC)C([O-])=O VYPDUQYOLCLEGS-UHFFFAOYSA-M 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
Landscapes
- Physical Water Treatments (AREA)
Abstract
Prezenta inventie se refera la un procedeu de recuperare a Co (II) din apele reziduale prin precipitatie-flotatie. Procedeul de recuperare a Co (II) consta în flotatia cu aer dizolvat a hidroxospeciilor insolubile ale Co (II) care se formeaza în pezenta NaOH sau Na2CO3 ca reactiv precipitant si regulator de pH si 2-etilhexanoat de sodiu în acid 2-etilhexanoic ca reactiv colector. Conform procedeului, se realizeaza un consum redus de colector, eficienta ridicata a separarii printr-o tehnologie simpla cu un randament de peste 95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122451A RO94262B1 (ro) | 1986-03-05 | 1986-03-05 | Procedeu de recuperare a co(ii) din apele reziduale prin precipitare-flotatie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122451A RO94262B1 (ro) | 1986-03-05 | 1986-03-05 | Procedeu de recuperare a co(ii) din apele reziduale prin precipitare-flotatie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO94262A2 RO94262A2 (ro) | 1988-05-30 |
| RO94262B1 true RO94262B1 (ro) | 1988-05-31 |
Family
ID=20119103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO122451A RO94262B1 (ro) | 1986-03-05 | 1986-03-05 | Procedeu de recuperare a co(ii) din apele reziduale prin precipitare-flotatie |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94262B1 (ro) |
-
1986
- 1986-03-05 RO RO122451A patent/RO94262B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO94262A2 (ro) | 1988-05-30 |
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