BE710599A - - Google Patents
Info
- Publication number
- BE710599A BE710599A BE710599DA BE710599A BE 710599 A BE710599 A BE 710599A BE 710599D A BE710599D A BE 710599DA BE 710599 A BE710599 A BE 710599A
- Authority
- BE
- Belgium
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
- C01B25/18—Phosphoric acid
- C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
-
- 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK61389A DE1289036B (de) | 1967-02-10 | 1967-02-10 | Verfahren zur Reinigung einer Phosphorsaeure-Aufschlussloesung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE710599A true BE710599A (en]) | 1968-06-17 |
Family
ID=7230058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE710599D BE710599A (en]) | 1967-02-10 | 1968-02-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3650691A (en]) |
| BE (1) | BE710599A (en]) |
| DE (1) | DE1289036B (en]) |
| FR (1) | FR1557962A (en]) |
| GB (1) | GB1217571A (en]) |
| NL (1) | NL6801913A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2050406C3 (de) * | 1970-10-14 | 1978-04-06 | Budenheim Rud A Oetker Chemie | Verfahren zur Reinigung von technischer Phosporsäure |
| US6387289B1 (en) * | 2000-05-04 | 2002-05-14 | Micron Technology, Inc. | Planarizing machines and methods for mechanical and/or chemical-mechanical planarization of microelectronic-device substrate assemblies |
| DE102014006278B3 (de) * | 2014-05-02 | 2015-02-26 | Remondis Aqua Gmbh & Co. Kg | Verfahren zur Reinigung von Roh-Phosphorsäure (z.B. MGA-Säure) durch Zugabe von Aschen aus Abfall-Verbrennungsanlagen umfassend die Gewinnung von reiner Phosphorsäure, Kalziumsulfat, wasserlöslichen Kalziumhydrogenphosphaten und Metallsalz-Lösung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US137635A (en) * | 1873-04-08 | Improvement in the manufacture of acid phosphates | ||
| US2567227A (en) * | 1948-01-28 | 1951-09-11 | Chemical Foundation Inc | Production of calcium phosphate |
| US2707670A (en) * | 1953-02-04 | 1955-05-03 | Asahi Chemical Ind | Method of recovering ammonia from dilute aqueous solutions or gases containing the same |
| US3161466A (en) * | 1961-01-26 | 1964-12-15 | Earl A Fallin | Production and purification of phosphatic materials |
| GB1052410A (en]) * | 1962-11-14 | |||
| US3494735A (en) * | 1964-07-31 | 1970-02-10 | Multi Minerals Ltd | Phosphoric acid |
-
1967
- 1967-02-10 DE DEK61389A patent/DE1289036B/de active Pending
-
1968
- 1968-02-07 GB GB6133/68A patent/GB1217571A/en not_active Expired
- 1968-02-09 FR FR1557962D patent/FR1557962A/fr not_active Expired
- 1968-02-09 BE BE710599D patent/BE710599A/xx unknown
- 1968-02-09 NL NL6801913A patent/NL6801913A/xx unknown
-
1970
- 1970-10-05 US US77923A patent/US3650691A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1557962A (en]) | 1969-02-21 |
| NL6801913A (en]) | 1968-08-12 |
| GB1217571A (en) | 1970-12-31 |
| DE1289036B (de) | 1969-02-13 |
| US3650691A (en) | 1972-03-21 |