ES379146A1 - Procedimiento para la obtencion de sulfato calcico semihi- dratado mediante yesos impuros, especialmente los residualesprocedentes de la obtencion del acido fosforico. - Google Patents
Procedimiento para la obtencion de sulfato calcico semihi- dratado mediante yesos impuros, especialmente los residualesprocedentes de la obtencion del acido fosforico.Info
- Publication number
- ES379146A1 ES379146A1 ES379146A ES379146A ES379146A1 ES 379146 A1 ES379146 A1 ES 379146A1 ES 379146 A ES379146 A ES 379146A ES 379146 A ES379146 A ES 379146A ES 379146 A1 ES379146 A1 ES 379146A1
- Authority
- ES
- Spain
- Prior art keywords
- obtaining
- dihydrate
- impure
- phosphoric acid
- plasters
- 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
Links
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title abstract 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 3
- 238000006703 hydration reaction Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 150000004683 dihydrates Chemical class 0.000 abstract 5
- 235000011132 calcium sulphate Nutrition 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229910052925 anhydrite Inorganic materials 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 238000005119 centrifugation Methods 0.000 abstract 1
- 238000001311 chemical methods and process Methods 0.000 abstract 1
- 238000010411 cooking Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000010908 decantation Methods 0.000 abstract 1
- 239000012065 filter cake Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 150000002484 inorganic compounds Chemical class 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691904496 DE1904496A1 (de) | 1969-01-30 | 1969-01-30 | Verfahren zur Herstellung von Calciumsulfat-Halbhydrat aus verunreinigten Gipsen,insbesondere Phosphorsaeure-Abfallgips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES379146A1 true ES379146A1 (es) | 1972-09-01 |
Family
ID=5723779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES379146A Expired ES379146A1 (es) | 1969-01-30 | 1970-04-28 | Procedimiento para la obtencion de sulfato calcico semihi- dratado mediante yesos impuros, especialmente los residualesprocedentes de la obtencion del acido fosforico. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES379146A1 (es) |
-
1970
- 1970-04-28 ES ES379146A patent/ES379146A1/es not_active Expired
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