RO85737B1 - Procedeu de purificare a carbonatului de magneziu tehnic - Google Patents
Procedeu de purificare a carbonatului de magneziu tehnicInfo
- Publication number
- RO85737B1 RO85737B1 RO108341A RO10834182A RO85737B1 RO 85737 B1 RO85737 B1 RO 85737B1 RO 108341 A RO108341 A RO 108341A RO 10834182 A RO10834182 A RO 10834182A RO 85737 B1 RO85737 B1 RO 85737B1
- Authority
- RO
- Romania
- Prior art keywords
- magnesium carbonate
- magnesium
- concentration
- carbonation
- decarbonation
- Prior art date
Links
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 title abstract 4
- 239000001095 magnesium carbonate Substances 0.000 title abstract 4
- 229910000021 magnesium carbonate Inorganic materials 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 abstract 3
- 239000002370 magnesium bicarbonate Substances 0.000 abstract 3
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 abstract 3
- 235000014824 magnesium bicarbonate Nutrition 0.000 abstract 3
- 239000000395 magnesium oxide Substances 0.000 abstract 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- 230000005587 bubbling Effects 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Procedeul de purificare a carbonatului de magneziu tehnic, conform inventiei, consta în aceea ca, folosindu-se carbonat de magneziu tehnic sub forma de suspensie apoasa, avînd concentratia de 6...10 g/l MgO, suspensia este supusa carbonatarii prin barbotare de bioxid de carbon, la temepratura de 15...25 degree C, la presiunea de 1...5 kgf/cm2, cu un debit al gazelor pentru carbonare de 100...500 l/h si o concentratie de bioxid de carbon a gazelor pentru carbonare de 30...100% CO2, obtinîndu-se dupa filtrare, o solutie limpede de bicarbonat de magneziu, avînd o concentratie de 5...8 g/l MgO si urme de siliciu, fier. calciu, solutia limpede de bicarbonat de magneziu fiind apoi supusa decarbonarii, de exemplu, prin barbotarea de aburi, la temperatura de 70...100 degree C, iar carbonatul de magneziu astfel precipitat este apoi filtrat, uscat si macinat rezultînd un produs finit cu un cuntinut forte redus de siliciu, fier, calciu, din care se poate obtine, în continuare, prin calcinare, oxid de magneziu de înalta puritate, în functie de puritatea impusa produsului finit, ciclul recarbonatare carbonat de magneziu-decarbonatare solutii de bicarbonat de magneziu poate fi repetat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO108341A RO85737B1 (ro) | 1982-08-02 | 1982-08-02 | Procedeu de purificare a carbonatului de magneziu tehnic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO108341A RO85737B1 (ro) | 1982-08-02 | 1982-08-02 | Procedeu de purificare a carbonatului de magneziu tehnic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO85737A2 RO85737A2 (ro) | 1984-11-25 |
| RO85737B1 true RO85737B1 (ro) | 1984-11-30 |
Family
ID=20111909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO108341A RO85737B1 (ro) | 1982-08-02 | 1982-08-02 | Procedeu de purificare a carbonatului de magneziu tehnic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO85737B1 (ro) |
-
1982
- 1982-08-02 RO RO108341A patent/RO85737B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO85737A2 (ro) | 1984-11-25 |
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