ES220070A1 - UN PROCEDIMIENTO PARA LA FABRICACIoN DE MATERIAL FOSFáTICO DESFLUORADO - Google Patents
UN PROCEDIMIENTO PARA LA FABRICACIoN DE MATERIAL FOSFáTICO DESFLUORADOInfo
- Publication number
- ES220070A1 ES220070A1 ES0220070A ES220070A ES220070A1 ES 220070 A1 ES220070 A1 ES 220070A1 ES 0220070 A ES0220070 A ES 0220070A ES 220070 A ES220070 A ES 220070A ES 220070 A1 ES220070 A1 ES 220070A1
- Authority
- ES
- Spain
- Prior art keywords
- defluorinated
- manufacture
- acid
- mixture
- phosphatic material
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 abstract 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 239000001506 calcium phosphate Substances 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 1
- 229940078499 tricalcium phosphate Drugs 0.000 abstract 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 abstract 1
- 235000019731 tricalcium phosphate Nutrition 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/328—Defluorination during or after the preparation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S71/00—Chemistry: fertilizers
- Y10S71/03—Defluorination
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Un procedimiento para la fabricación de material fosfático desfluorado asimilable, que comprende mezclar fosfato tricálcico triturado con ácido sulfúrico, calcinar la mezcla ácida a una temperatura inferior a la fusión y suficiente para desarrollar flúor, hacer reaccionar la mezcla ácida desfluorada con ácido fosfórico y secar la mezcla reaccionada.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US410021A US2795484A (en) | 1954-02-12 | 1954-02-12 | Process for the manufacture of defluorinated phosphatic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES220070A1 true ES220070A1 (es) | 1955-07-01 |
Family
ID=23622887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0220070A Expired ES220070A1 (es) | 1954-02-12 | 1955-02-11 | UN PROCEDIMIENTO PARA LA FABRICACIoN DE MATERIAL FOSFáTICO DESFLUORADO |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2795484A (es) |
| ES (1) | ES220070A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3241916A (en) * | 1963-12-05 | 1966-03-22 | Hooker Chemical Corp | Tricalcium phosphate |
| US4673555A (en) * | 1984-08-16 | 1987-06-16 | White Edward A | Method for preparation of defluorinated phosphate |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US995028A (en) * | 1910-09-30 | 1911-06-13 | Spencer B Newberry | Fertilizer and process of making same. |
| US1637428A (en) * | 1926-09-24 | 1927-08-02 | Virgil R Rupp | Mineral feed and process of preparing the same |
| US1994070A (en) * | 1931-08-29 | 1935-03-12 | Norsk Hydro Elektrisk | Process for treating raw phosphates |
| US2288112A (en) * | 1940-02-12 | 1942-06-30 | Davison Chemical Corp | Process of treating superphosphates |
| US2328884A (en) * | 1942-05-16 | 1943-09-07 | Davison Chemical Corp | Process of manufacturing animal feed compositions |
| US2504545A (en) * | 1947-01-28 | 1950-04-18 | Davison Chemical Corp | Granulated fertilizer |
| US2565351A (en) * | 1947-02-28 | 1951-08-21 | Int Minerals & Chem Corp | Production of defluorinated tricalcium phosphate |
-
1954
- 1954-02-12 US US410021A patent/US2795484A/en not_active Expired - Lifetime
-
1955
- 1955-02-11 ES ES0220070A patent/ES220070A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2795484A (en) | 1957-06-11 |
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