ES8406373A1 - Un metodo para eliminar fluor de materiales de partida de fosfatos naturales,materiales de superfosfatos y acido fosfordicos de procedimiento humedo - Google Patents
Un metodo para eliminar fluor de materiales de partida de fosfatos naturales,materiales de superfosfatos y acido fosfordicos de procedimiento humedoInfo
- Publication number
- ES8406373A1 ES8406373A1 ES521777A ES521777A ES8406373A1 ES 8406373 A1 ES8406373 A1 ES 8406373A1 ES 521777 A ES521777 A ES 521777A ES 521777 A ES521777 A ES 521777A ES 8406373 A1 ES8406373 A1 ES 8406373A1
- Authority
- ES
- Spain
- Prior art keywords
- range
- weight
- temperature
- acid
- water
- 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
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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- 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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
METODO PARA ELIMINAR FLUOR DE MATERIALES DE PARTIDA DE FOSFATOS NATURALES, MATERIALES DE SUPERFOSFATO Y ACIDOS FOSFORICOS DE PROCEDIMIENTO HUMEDO.CONSISTE EN: A) MEZCLAR UN MINERAL DE FOSFATO QUE TIENE UN CONTENIDO DE FLUOR MAYOR QUE EL QUE SE DESEA, CON UNA MEZCLA DE ACIDOS DE 0,8 A 1 Y 1:1,4 EN PESO DENTRO DEL INTERVALO DE MINERAL, A UNA TEMPERATURA COMPRENDIDA ENTRE 102 Y 129JC MIENTRAS SE AÑADE AGUA EN CANTIDAD DE HASTA APROXIMADAMENTE 12 EN PESO DE LA MEZCLA TOTAL; B) SOMETER LA MEZCLA A UNA PRIMERA ETAPA DE CALENTAMIENTO, AL AÑADIR MATERIAL DE RECIRCULACION ENCANTIDAD SUSTANCIALMENTE DE RECIRCULACION A MEZCLA DE 1:1 A 10:1 EN PESO, Y AGUA, MIENTRAS SE CALIENTE A UNA TEMPERATURA COMPRENDIDA ENTRE 149 Y 218JC DURANTE 6 MINUTOS; Y A UNA SEGUNDA ETAPA DE CALENTAMIENTO, AL MANTENER LA TEMPERATURA EN EL INTERVALO DE 204 A 316JC DURANTE 6 MINUTOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/371,333 US4405575A (en) | 1982-04-23 | 1982-04-23 | Method of defluorinating phosphates |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8406373A1 true ES8406373A1 (es) | 1984-08-01 |
ES521777A0 ES521777A0 (es) | 1984-08-01 |
Family
ID=23463530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES521777A Granted ES521777A0 (es) | 1982-04-23 | 1983-04-22 | Un metodo para eliminar fluor de materiales de partida de fosfatos naturales,materiales de superfosfatos y acido fosfordicos de procedimiento humedo |
Country Status (6)
Country | Link |
---|---|
US (1) | US4405575A (es) |
AU (1) | AU568589B2 (es) |
CA (1) | CA1182977A (es) |
ES (1) | ES521777A0 (es) |
IL (1) | IL68469A0 (es) |
MA (1) | MA19776A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678927B1 (fr) * | 1991-07-11 | 1993-11-19 | Maroc Chimie | Procede et installation de production de triple superphosphate (tsp) granule. |
DE102019211955A1 (de) * | 2019-08-08 | 2021-02-11 | Glatt Ingenieurtechnik Gesellschaft mit beschränkter Haftung | Vorrichtung zur Herstellung von Düngemittelgranulat |
Family Cites Families (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2360197A (en) * | 1944-10-10 | Processes of removing fluorine from | ||
USRE19045E (en) | 1934-01-16 | Method of treating phosphate rock | ||
US1329273A (en) * | 1920-01-27 | William h | ||
US1538089A (en) * | 1922-03-23 | 1925-05-19 | Fed Phosphorous Company | Process for the purification of phosphoric acid |
US1459124A (en) * | 1922-05-20 | 1923-06-19 | Webster Hyleman Alison | Continuous process of making superphosphate |
US1747588A (en) * | 1927-05-17 | 1930-02-18 | Gen Chemical Corp | Process of digesting phosphate rock |
BE360054A (es) * | 1928-07-07 | |||
US1851179A (en) * | 1930-02-25 | 1932-03-29 | Chemical Construction Corp | Manufacture of phosphoric acid |
GB378670A (en) * | 1931-09-01 | 1932-08-18 | Harold Wade | Improvements in or relating to decomposing raw phosphates |
US1972196A (en) * | 1933-01-14 | 1934-09-04 | Eldon L Larison | Phosphatic material |
US2015384A (en) * | 1933-06-29 | 1935-09-24 | Kemiska Patenter Ab | Process for preparing superphosphate |
US2072980A (en) * | 1934-06-04 | 1937-03-09 | Tennessee Valley Authority | Manufacture of granular calcium phosphates |
US2173826A (en) * | 1938-02-15 | 1939-09-26 | Harry A Curtis | Making calcium metaphosphate fertilizer |
US2414701A (en) * | 1938-06-15 | 1947-01-21 | Davison Chemical Corp | Method for making granular superphosphate |
US2414700A (en) * | 1938-06-15 | 1947-01-21 | Davison Chemical Corp | Method for making granular superphosphate |
US2287759A (en) * | 1940-03-15 | 1942-06-23 | Henry A Wallace | Process for the granulation of fertilizers |
US2448126A (en) * | 1944-05-17 | 1948-08-31 | Davison Chemical Corp | Granulated superphosphate manufacture |
US2442969A (en) * | 1946-05-16 | 1948-06-08 | Int Minerals & Chem Corp | Manufacture of defluorinated tricalcium phosphate |
US2504546A (en) * | 1947-01-28 | 1950-04-18 | Davison Chemical Corp | Superphosphate manufacture |
US2504544A (en) * | 1947-01-28 | 1950-04-18 | Davison Chemical Corp | Process of manufacturing phosphoric acid |
US2598658A (en) * | 1948-01-15 | 1952-05-27 | John T Procter | Granulation of phosphatic fertilizers |
US2643948A (en) * | 1949-03-28 | 1953-06-30 | Soc Etu Chimiques Ind Et Agri | Method of producing a fertilizer from phosphate rock |
US2673795A (en) * | 1950-09-12 | 1954-03-30 | Ici Ltd | Phosphate fertilizers |
US2759795A (en) * | 1950-09-26 | 1956-08-21 | Int Minerals & Chem Corp | Defluorination of phosphatic materials |
US2799557A (en) * | 1952-10-11 | 1957-07-16 | Chemical Construction Corp | Production of feed grade dicalcium phosphate |
US2807521A (en) * | 1953-11-09 | 1957-09-24 | Chemical Construction Corp | Phosphoric acid manufacture |
US2898207A (en) * | 1954-03-02 | 1959-08-04 | Minerals & Chemicals Corp Of A | Acidulation of phosphate |
US2889200A (en) * | 1954-04-21 | 1959-06-02 | Int Minerals & Chem Corp | Method of preparing defluorinated material |
US2885263A (en) * | 1955-06-10 | 1959-05-05 | Chemical Construction Corp | Anhydrite process for phosphoric acid manufacture |
US2895799A (en) * | 1955-09-19 | 1959-07-21 | Int Minerals & Chem Corp | Process for treating fluorine-containing phosphatic materials |
US2890936A (en) * | 1956-02-01 | 1959-06-16 | Curt S Benefield | Method for producing phosphoric acid |
US2933372A (en) * | 1956-11-02 | 1960-04-19 | Int Minerals & Chem Corp | Method of defluorinating phosphatic material |
US2962357A (en) * | 1957-02-18 | 1960-11-29 | Int Minerals & Chem Corp | Defluorination of phosphoric acid |
US3034883A (en) * | 1957-09-30 | 1962-05-15 | Tennessee Valley Authority | Production of granular superphosphate fertilizer |
US3034863A (en) * | 1959-03-30 | 1962-05-15 | Shawinigan Chem Ltd | Process for preparation of carbon disulphide |
US3074780A (en) * | 1960-07-05 | 1963-01-22 | Int Minerals & Chem Corp | Acidic phosphatic solutions |
US3107145A (en) * | 1960-08-17 | 1963-10-15 | Hooker Chemical Corp | Process for defluorinating phosphatic materials |
US3142534A (en) * | 1960-10-25 | 1964-07-28 | Int Minerals & Chem Corp | Manufacture of defluorinated phosphates |
US3151937A (en) * | 1960-10-25 | 1964-10-06 | Int Minerals & Chem Corp | Manufacture of defluorinated phosphates |
US3102000A (en) * | 1961-01-13 | 1963-08-27 | American Cyanamid Co | Production of animal feed supplement of low fluorine content |
US3151938A (en) * | 1961-04-25 | 1964-10-06 | Int Minerals & Chem Corp | Phosphatic materials and methods for the production thereof |
US3193351A (en) * | 1961-07-05 | 1965-07-06 | Nat Distillers Chem Corp | Removal of fluorine from wet process prosphoric acid |
US3212874A (en) * | 1963-01-10 | 1965-10-19 | Int Minerals & Chem Corp | Process for the production of phosphate fertilizer |
GB1052156A (es) * | 1964-05-04 | |||
US3394987A (en) * | 1964-08-04 | 1968-07-30 | Armour & Co | Reacting calcium carbonated and wet process phosphoric acid |
US3425837A (en) * | 1964-09-02 | 1969-02-04 | Continental Oil Co | Preparation of animal feed phosphate |
US3429663A (en) * | 1965-01-06 | 1969-02-25 | Int Minerals & Chem Corp | Defluorination of phosphoric acid |
US3389959A (en) * | 1965-04-30 | 1968-06-25 | Armour Agricult Chem | Manufacture of triple superphosphate |
US3397123A (en) * | 1965-06-03 | 1968-08-13 | Hooker Chemical Corp | Purifying aqueous acid phosphate solutions containing fluorine impurities |
US3544269A (en) * | 1967-02-27 | 1970-12-01 | Whiting Corp | Method for producing defluorinated phosphoric acid |
US3519387A (en) * | 1967-12-07 | 1970-07-07 | Care Technical Services Inc | Quick cure process for making superphosphates of low fluorine content |
US3615195A (en) * | 1968-12-11 | 1971-10-26 | Simplot Co J R | Fluosilic acid recovery |
US3556724A (en) * | 1969-05-21 | 1971-01-19 | Baker Perkins Inc | Phosphoric acid process |
US3672828A (en) * | 1970-02-03 | 1972-06-27 | Albert E Henderson Jr | Quick cure process for making superphosphates of low fluorine content |
AU466381B2 (en) * | 1971-12-13 | 1975-10-30 | Adelaide & Wallaroo Fertilizers Ltd | Process for the manufacture of fee dgrade calcium phosphates from superphosphate |
US3840639A (en) * | 1972-07-03 | 1974-10-08 | Pennzoil Co | Method for the production of fluoride-free potassium phosphates |
US3943232A (en) * | 1974-03-04 | 1976-03-09 | Atlantic Richfield Company | Process for the defluorination of dilute fluorine containing aqueous acid solutions |
DE2505218A1 (de) * | 1975-02-05 | 1976-08-19 | Schering Ag | Neue orale roentgenkontrastmittel und verfahren zu ihrer herstellung |
US4101637A (en) * | 1975-10-29 | 1978-07-18 | J. R. Simplot Company | Direct granulation process for triple superphosphate |
US4029743A (en) * | 1975-12-24 | 1977-06-14 | Hauge Douglas O | Phosphoric acid manufacture |
US4026995A (en) * | 1976-02-11 | 1977-05-31 | Atlantic Richfield Company | Process for defluorination of commercial phosphoric acid |
DE125651C (es) | 1976-06-11 | |||
US4154799A (en) * | 1978-03-27 | 1979-05-15 | United States Gypsum Company | Dicalcium phosphate manufacture |
FR2446254A1 (fr) * | 1979-01-15 | 1980-08-08 | Ugine Kuhlmann | Phosphate de calcium naturel defluore pour alimentation animale |
-
1982
- 1982-04-23 US US06/371,333 patent/US4405575A/en not_active Expired - Lifetime
-
1983
- 1983-04-22 MA MA19996A patent/MA19776A1/fr unknown
- 1983-04-22 IL IL68469A patent/IL68469A0/xx not_active IP Right Cessation
- 1983-04-22 CA CA000426535A patent/CA1182977A/en not_active Expired
- 1983-04-22 ES ES521777A patent/ES521777A0/es active Granted
- 1983-04-26 AU AU13925/83A patent/AU568589B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4405575A (en) | 1983-09-20 |
IL68469A0 (en) | 1983-07-31 |
AU1392583A (en) | 1983-10-27 |
CA1182977A (en) | 1985-02-26 |
MA19776A1 (fr) | 1983-12-31 |
ES521777A0 (es) | 1984-08-01 |
AU568589B2 (en) | 1988-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2767045A (en) | Treatment of phosphate rock to recover phosphorus and uranium values | |
US2987376A (en) | Method for defluorination of phosphoric acid | |
US2759795A (en) | Defluorination of phosphatic materials | |
US3556739A (en) | Cleaning phosphoric acid including recovery from the organic solvent by heating to stratify into an acid layer and an organic layer | |
US2728635A (en) | Production of feed grade dicalcium phosphate | |
GB911040A (en) | Improvements in defluorination of phosphoric acid | |
US2954275A (en) | Process of recovering fluorine from phosphate rock | |
US3376124A (en) | Fluidized bed acidulation and agglomeration of phosphate materials | |
US2360197A (en) | Processes of removing fluorine from | |
US2504545A (en) | Granulated fertilizer | |
US3241946A (en) | Ammonium phosphate fertilizer solids derived from anhydrous liquid phosphoric acid | |
ES8406373A1 (es) | Un metodo para eliminar fluor de materiales de partida de fosfatos naturales,materiales de superfosfatos y acido fosfordicos de procedimiento humedo | |
US2173826A (en) | Making calcium metaphosphate fertilizer | |
US3151936A (en) | Process for the defluorination of phosphates | |
US1851179A (en) | Manufacture of phosphoric acid | |
US3243279A (en) | Ammonium phosphate solids derived from anhydrous liquid phosphoric acid | |
US3101999A (en) | Low temperature defluorination of phosphate material | |
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US2865710A (en) | Process of defluorination of phosphorus compounds | |
US3926610A (en) | Removal of fertilizer precipitate | |
US3142534A (en) | Manufacture of defluorinated phosphates | |
US2898207A (en) | Acidulation of phosphate | |
US3672828A (en) | Quick cure process for making superphosphates of low fluorine content | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970519 |