ES2013211A6 - Procedimiento de obtencion de acido fosforico a partir de roca fosforica por via humeda. - Google Patents
Procedimiento de obtencion de acido fosforico a partir de roca fosforica por via humeda.Info
- Publication number
- ES2013211A6 ES2013211A6 ES8902438A ES8902438A ES2013211A6 ES 2013211 A6 ES2013211 A6 ES 2013211A6 ES 8902438 A ES8902438 A ES 8902438A ES 8902438 A ES8902438 A ES 8902438A ES 2013211 A6 ES2013211 A6 ES 2013211A6
- Authority
- ES
- Spain
- Prior art keywords
- phosphoric acid
- phosphorus
- solvent
- extracted
- extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 12
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 6
- 239000011435 rock Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 4
- 239000011574 phosphorus Substances 0.000 abstract 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 235000011132 calcium sulphate Nutrition 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
ESTE PROCEDIMIENTO DE OBTENCION DE ACIDO FOSFORICO A PARTIR DE ROCA FOSFORICA POR VIA HUMEDA, UTILIZA COMO AGENTE DE ATAQUE INTERMEDIO DE LA ROCA FOSFORICA EL ACIDO CLORHIDRICO O MEZCLA DE ACIDO CLORHIDRICO Y ACIDO FOSFORICO. REALIZANDOSE LA REACCION PREFERIBLEMENTE A TEMPERATURA AMBIENTE Y PRESION ATMOSFERICA. EL ACIDO FOSFORICO OBTENIDO SE EXTRAE CON UN DISOLVENTE ORGANICO SELECTIVO DEL CUAL SE SEPARA POR REEXTRACCION CON AGUA EN CONTRACORRIENTE A TEMPERATURA MODERADA. LA FASE ACUOSA DE LA EXTRACCION CON DISOLVENTE QUE CONTIENE FUNDAMENTALMENTE CLORURO CALCICO, ACIDO FOSFORICO NO EXTRAIDO Y PARTE DEL DISOLVENTE EMPLEADO SE TRATA CON ACIDO SULFURICO, PRECIPITANDO EL SULFATO CALCICO, QUE SE SEPARA POR FILTRACION, Y REGENERANDO EL ACIDO CLORHIDRICO QUE CONJUNTAMENTE CON EL FOSFORICO NO EXTRAIDO, SE RECICLA A LA ETAPA DE REACCION. CON ELLO SE CONSIGUE RECUPERAR EL P2O5 DISUELTO, PARTE DEL DISOLVENTE DE EXTRACCION, ELIMINAR EFLUENTES LIQUIDOS Y PODER EMPLEAR ROCA FOSFORICA DE CUALQUIER PROCEDENCIA Y RIQUEZA, NOSIENDO NECESARIA UNA GRANULOMETRIA FINA, POR LO QUE NO SE PRECISA UNA MOLIENDA CONVENCIONAL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES8902438A ES2013211A6 (es) | 1989-07-11 | 1989-07-11 | Procedimiento de obtencion de acido fosforico a partir de roca fosforica por via humeda. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES8902438A ES2013211A6 (es) | 1989-07-11 | 1989-07-11 | Procedimiento de obtencion de acido fosforico a partir de roca fosforica por via humeda. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2013211A6 true ES2013211A6 (es) | 1990-04-16 |
Family
ID=8263007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES8902438A Expired - Lifetime ES2013211A6 (es) | 1989-07-11 | 1989-07-11 | Procedimiento de obtencion de acido fosforico a partir de roca fosforica por via humeda. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2013211A6 (es) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002012120A1 (fr) * | 2000-08-03 | 2002-02-14 | Ecophos | Procede de production d'acide phosphorique |
| US7361323B2 (en) | 2002-06-28 | 2008-04-22 | Ecophos | Method for the production of phosphoric acid and/or a salt thereof and products thus obtained |
| US7687046B2 (en) | 2002-06-28 | 2010-03-30 | Ecophos | Method of producing phosphoric acid salt |
| US7824634B2 (en) | 2003-12-24 | 2010-11-02 | Ecophos | Method for etching phosphate ores |
-
1989
- 1989-07-11 ES ES8902438A patent/ES2013211A6/es not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002012120A1 (fr) * | 2000-08-03 | 2002-02-14 | Ecophos | Procede de production d'acide phosphorique |
| BE1013634A3 (fr) * | 2000-08-03 | 2002-05-07 | Ecophos | Procede de production d'acide phosphorique. |
| US7361323B2 (en) | 2002-06-28 | 2008-04-22 | Ecophos | Method for the production of phosphoric acid and/or a salt thereof and products thus obtained |
| US7687046B2 (en) | 2002-06-28 | 2010-03-30 | Ecophos | Method of producing phosphoric acid salt |
| US7824634B2 (en) | 2003-12-24 | 2010-11-02 | Ecophos | Method for etching phosphate ores |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SA6 | Expiration date (snapshot 920101) |
Free format text: 2009-07-11 |
|
| FD1A | Patent lapsed |
Effective date: 20040601 |