FR2320900A1 - Procede d'obtention de solutions phosphatiques exemptes de fluor et les solutions ainsi obtenues - Google Patents
Procede d'obtention de solutions phosphatiques exemptes de fluor et les solutions ainsi obtenuesInfo
- Publication number
- FR2320900A1 FR2320900A1 FR7622976A FR7622976A FR2320900A1 FR 2320900 A1 FR2320900 A1 FR 2320900A1 FR 7622976 A FR7622976 A FR 7622976A FR 7622976 A FR7622976 A FR 7622976A FR 2320900 A1 FR2320900 A1 FR 2320900A1
- Authority
- FR
- France
- Prior art keywords
- solutions
- fluorine
- obtaining
- phosphatic
- free
- 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.)
- Granted
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
- C01B25/28—Ammonium phosphates
-
- 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
-
- 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
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
- C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
-
- 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
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/405—Polyphosphates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/604,572 US4053561A (en) | 1975-08-14 | 1975-08-14 | Removal of fluorine from phosphatic solutions |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2320900A1 true FR2320900A1 (fr) | 1977-03-11 |
FR2320900B1 FR2320900B1 (fr) | 1979-09-07 |
Family
ID=24420165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7622976A Granted FR2320900A1 (fr) | 1975-08-14 | 1976-07-28 | Procede d'obtention de solutions phosphatiques exemptes de fluor et les solutions ainsi obtenues |
Country Status (12)
Country | Link |
---|---|
US (1) | US4053561A (fr) |
JP (1) | JPS5223596A (fr) |
BE (1) | BE845150A (fr) |
BR (1) | BR7605233A (fr) |
CA (1) | CA1071835A (fr) |
DE (1) | DE2635893A1 (fr) |
ES (1) | ES450704A1 (fr) |
FR (1) | FR2320900A1 (fr) |
GB (1) | GB1547212A (fr) |
IL (1) | IL49926A (fr) |
NL (1) | NL7608264A (fr) |
ZA (1) | ZA764435B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0149147A2 (fr) * | 1983-12-29 | 1985-07-24 | Hoechst Aktiengesellschaft | Procédé de préparation de solutions de phosphates alcalins pauvres en fluor |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199512A (en) * | 1976-05-10 | 1980-04-22 | E. R. Squibb & Sons, Inc. | Compounds for alleviating hypertension |
JPS5744441Y2 (fr) * | 1978-08-29 | 1982-10-01 | ||
US4511541A (en) * | 1982-12-02 | 1985-04-16 | J. R. Simplot Company | Process for the recovery of cadmium and other metals from solution |
DE3322503A1 (de) * | 1983-06-23 | 1985-01-10 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfluorierung von alkaliphosphatloesungen |
IL69426A (en) * | 1983-08-03 | 1986-10-31 | Negev Phosphates Ltd | Process for the manufacture of purified phosphoric acid |
DE4011716A1 (de) * | 1990-04-11 | 1991-10-17 | Hoechst Ag | Verfahren zur herstellung von alkaliphosphatloesungen |
US8202449B2 (en) * | 2006-10-31 | 2012-06-19 | Icl Performance Products, Lp | Corrosion-inhibited ammonium polyphosphate fire retardant compositions |
CA2787009C (fr) | 2010-01-15 | 2018-04-03 | Bio-Rad Laboratories, Inc. | Neutralisation de surface d'apatite |
US8895707B2 (en) | 2010-08-18 | 2014-11-25 | Bio-Rad Laboratories, Inc. | Elution of proteins from hydroxyapatite resins without resin deterioration |
US9592540B2 (en) | 2011-02-02 | 2017-03-14 | Bio-Rad Laboratories, Inc. | Apatite surface neutralization with alkali solutions |
US9815695B2 (en) | 2012-05-30 | 2017-11-14 | Bio-Rad Laboratories, Inc. | In situ restoration of apatite-based chromatography resins |
CA2939033C (fr) | 2013-02-06 | 2021-12-14 | X'aan Innovations Inc. | Compositions ignifugeantes a base de polyphosphate d'ammonium |
CN105392569B (zh) | 2014-06-23 | 2019-08-20 | 生物辐射实验室股份有限公司 | 磷灰石预处理 |
EP3157551B1 (fr) | 2014-06-23 | 2023-02-15 | Bio-Rad Laboratories, Inc. | Restauration in-situ d'apatite |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2044940A (en) * | 1933-11-25 | 1936-06-23 | Grasselli Chemical Co | Preparation of a soluble phosphate |
GB467843A (en) * | 1936-01-06 | 1937-06-24 | Kunstdunger Patent Verwertungs | Method of separating fluorine and aluminium from solutions obtained by treatment of raw phosphate with acids |
GB1052410A (fr) * | 1962-11-14 | |||
GB302485A (en) * | 1963-04-01 | 1928-12-20 | Saji Tsujita | Improvements in or relating to distance meters |
US3645682A (en) * | 1967-09-13 | 1972-02-29 | Multi Minerals Ltd | A process for producing phosphoric acid by the use of ion exchange resins |
DE2029564C3 (de) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure |
US3937783A (en) * | 1974-02-21 | 1976-02-10 | Allied Chemical Corporation | Recovery of fluorine, uranium and rare earth metal values from phosphoric acid by-product brine raffinate |
-
1975
- 1975-08-14 US US05/604,572 patent/US4053561A/en not_active Expired - Lifetime
-
1976
- 1976-06-28 IL IL49926A patent/IL49926A/xx unknown
- 1976-07-23 ZA ZA764435A patent/ZA764435B/xx unknown
- 1976-07-26 NL NL7608264A patent/NL7608264A/xx not_active Application Discontinuation
- 1976-07-28 FR FR7622976A patent/FR2320900A1/fr active Granted
- 1976-07-30 JP JP51091233A patent/JPS5223596A/ja active Pending
- 1976-08-05 CA CA258,480A patent/CA1071835A/fr not_active Expired
- 1976-08-06 GB GB32810/76A patent/GB1547212A/en not_active Expired
- 1976-08-10 DE DE19762635893 patent/DE2635893A1/de active Pending
- 1976-08-10 BR BR7605233A patent/BR7605233A/pt unknown
- 1976-08-13 BE BE169774A patent/BE845150A/fr unknown
- 1976-08-13 ES ES450704A patent/ES450704A1/es not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0149147A2 (fr) * | 1983-12-29 | 1985-07-24 | Hoechst Aktiengesellschaft | Procédé de préparation de solutions de phosphates alcalins pauvres en fluor |
EP0149147A3 (en) * | 1983-12-29 | 1987-08-19 | Hoechst Aktiengesellschaft | Process for the preparation of alkali metal phosphates solutions poor in fluorine |
Also Published As
Publication number | Publication date |
---|---|
NL7608264A (nl) | 1977-02-16 |
IL49926A (en) | 1978-08-31 |
IL49926A0 (en) | 1976-08-31 |
ZA764435B (en) | 1977-07-27 |
GB1547212A (en) | 1979-06-06 |
BR7605233A (pt) | 1977-08-09 |
JPS5223596A (en) | 1977-02-22 |
BE845150A (fr) | 1977-02-14 |
FR2320900B1 (fr) | 1979-09-07 |
DE2635893A1 (de) | 1977-02-24 |
CA1071835A (fr) | 1980-02-19 |
US4053561A (en) | 1977-10-11 |
ES450704A1 (es) | 1977-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE858574A (fr) | Procede de production d'uree et d'epuration d'eau | |
IT7851567A0 (it) | Procedimento per la produzione di acido 7-osso-1-azabiciclo(3/2/0)ept-2-ene-2-carbossilico 3-sostitui to-6-sostituito e prodotto ottenuto | |
FR2307830A1 (fr) | Copolymeres norbornene-dicyclopentadiene pratiquement exempts de gels et procede d'obtention | |
FR2335057A1 (fr) | Procede de construction d'un module thermo-electrique et module ainsi obtenu | |
FR2320900A1 (fr) | Procede d'obtention de solutions phosphatiques exemptes de fluor et les solutions ainsi obtenues | |
BE852987A (fr) | Procede de preparation de polysaccharides azotes | |
IT1197457B (it) | Procedimento ed apparecchiatura per la produzione di concimi | |
BE838628A (fr) | Procede et dispositif d'extrusion pour la fabrication de profiles | |
BE852708A (fr) | Procede de preparation de bisimides et bisimides ainsi obtenus | |
BE875089A (fr) | Procede de preparation de tetrahydrobenzoxocines et de cishexahydrodibenzopyranones | |
BE861172A (fr) | Procede de preparation d'alpha-amino-amides | |
BE851607A (fr) | Procede d'obtention de vitroceramiques transparentes incolores et vitroceramiques ainsi obtenus | |
BE875939A (fr) | Procede et preparation de 6-hallo-pregnanes | |
FR2313354A1 (fr) | Procede de preparation d'azomethines | |
FR2422675B1 (fr) | Procede de fabrication de n-phosphonomethyl-glycine et de ses derives | |
BE857100A (fr) | Procede de preparation d'homopolymeres et de copolymeres d'&-mono-olefines | |
BE862360A (fr) | Procede pour la chloration dirigee d'alcoylbenzenes | |
BE858806A (fr) | Procede pour la preparation de glycol-aldehyde et d'ethylene-glycol | |
FR2321766A1 (fr) | Element photoconducteur et procede d'obtention | |
BE864324A (fr) | Procede pour la production d'engrais de phosphate | |
IT1098416B (it) | Procedimento per la produzione di laterizi ed impianto per l'attuazione di detto procedimemto | |
BE865797A (fr) | Procede de production d'amidines phosphorylees | |
FR2309221A1 (fr) | N-acyl glutamines et leur procede d'obtention | |
PT65587A (fr) | Procede de preparation d'alkyl-2 indane | |
FR2313336A2 (fr) | Procede pour la preparation de cycloalcanones et cycloalcanols |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |