NL7109850A - - Google Patents
Info
- Publication number
- NL7109850A NL7109850A NL7109850A NL7109850A NL7109850A NL 7109850 A NL7109850 A NL 7109850A NL 7109850 A NL7109850 A NL 7109850A NL 7109850 A NL7109850 A NL 7109850A NL 7109850 A NL7109850 A NL 7109850A
- Authority
- NL
- Netherlands
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
- C01B25/30—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2035505A DE2035505C3 (de) | 1970-07-17 | 1970-07-17 | Verfahren zur Herstellung reiner Alkaliphosphatlösungen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7109850A true NL7109850A (https=) | 1972-01-19 |
| NL169982B NL169982B (nl) | 1982-04-16 |
| NL169982C NL169982C (nl) | 1982-09-16 |
Family
ID=5777064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7109850,A NL169982C (nl) | 1970-07-17 | 1971-07-16 | Werkwijze voor de bereiding van gezuiverde alkalimetaalfosfaatoplossingen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3764655A (https=) |
| BE (1) | BE770043A (https=) |
| DE (1) | DE2035505C3 (https=) |
| ES (1) | ES392861A1 (https=) |
| FR (1) | FR2103042A5 (https=) |
| GB (1) | GB1311377A (https=) |
| NL (1) | NL169982C (https=) |
| SE (1) | SE359282B (https=) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1451608A (en) * | 1972-11-08 | 1976-10-06 | Fisons Ltd | Process for reducing calcium sulphate scale formation |
| DE2461064C2 (de) * | 1974-12-23 | 1984-03-01 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung reiner Alkaliphosphatlösungen aus Naßverfahrensphosphorsäure |
| DE2608029C2 (de) * | 1976-02-27 | 1984-02-23 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung einer Alkaliphosphatlösung aus Naßverfahrensphosphorsäuren |
| US4215098A (en) * | 1978-04-26 | 1980-07-29 | Albright & Wilson Limited | Purification of wet process phosphoric acid |
| DE2832348C3 (de) * | 1978-07-22 | 1981-10-01 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Spülvorrichtung für Analysengeräte |
| US4224294A (en) * | 1979-01-15 | 1980-09-23 | Stauffer Chemical Company | Preparation of sodium orthophosphate mixtures |
| US4210629A (en) * | 1979-03-01 | 1980-07-01 | Uop Inc. | Flue gas treatment |
| US4242198A (en) * | 1979-03-12 | 1980-12-30 | W. R. Grace & Co. | Reduction of magnesium and other cations in phosphoric acid |
| US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
| US4328196A (en) * | 1980-09-25 | 1982-05-04 | Pennzoil Company | Production of alkali metal products from alkali metal fluosilicate |
| DE3437685C2 (de) * | 1984-10-15 | 1987-03-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung einer vanadiumarmen Alkaliphosphatlösung |
| US5006319A (en) * | 1988-03-04 | 1991-04-09 | Fmc Corporation | Process for removing iron, chromium and vanadium from phosphoric acid |
| DE3938225A1 (de) * | 1989-11-17 | 1991-05-23 | Hoechst Ag | Verfahren zur herstellung gereinigter alkaliphosphatloesung |
| DE4011716A1 (de) * | 1990-04-11 | 1991-10-17 | Hoechst Ag | Verfahren zur herstellung von alkaliphosphatloesungen |
| DE4327401A1 (de) * | 1993-08-14 | 1995-02-16 | Hoechst Ag | Verfahren zur Entfernung von Blei und Cadmium aus Phosphorsäure |
| DE19637415C2 (de) * | 1996-09-13 | 2001-04-19 | Bayerische Motoren Werke Ag | Phosphatierungsanlage |
| RU2178386C1 (ru) * | 2001-01-25 | 2002-01-20 | Открытое акционерное общество "РЕАТЭКС" | Способ получения калия фосфорно-кислого однозамещенного |
| RU2183582C1 (ru) * | 2001-06-05 | 2002-06-20 | Открытое акционерное общество "РЕАТЭКС" | Способ получения калия фосфорно-кислого двузамещенного |
| ES2384772T3 (es) * | 2008-10-16 | 2012-07-12 | Ecophos S.A. | Procedimiento para la producción de ácido fosfórico de elevada pureza |
| BE1018308A3 (fr) * | 2008-10-16 | 2010-08-03 | Ecophos Sa | Procede pour la production d'acide phosphorique de haute purete. |
| CA2739515C (en) * | 2008-10-16 | 2015-04-28 | Ecophos Sa | Process for the production of high purity phosphoric acid |
| US10995014B1 (en) | 2020-07-10 | 2021-05-04 | Northvolt Ab | Process for producing crystallized metal sulfates |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD54677A (https=) * | ||||
| US598182A (en) * | 1898-02-01 | Heem an-poole | ||
| DE1058033B (de) * | 1958-01-23 | 1959-05-27 | Albert Ag Chem Werke | Verfahren zur Herstellung von Trinatriumphosphat aus natriumalkalischen, Phosphorsaeure und gegebenenfalls Fluor enthaltenden Natriumaluminatlaugen |
| DE1767631C3 (de) * | 1968-05-30 | 1973-11-15 | Knapsack Ag, 5033 Huerth-Knapsack | Verfahren zur Herstellung von Al kahphosphaten aus den bei der Neutrall sation roher Naßverfahrensphosphorsaure anfallenden Schlammen |
-
1970
- 1970-07-17 DE DE2035505A patent/DE2035505C3/de not_active Expired
-
1971
- 1971-07-03 ES ES392861A patent/ES392861A1/es not_active Expired
- 1971-07-15 BE BE770043A patent/BE770043A/xx unknown
- 1971-07-16 SE SE09245/71A patent/SE359282B/xx unknown
- 1971-07-16 NL NLAANVRAGE7109850,A patent/NL169982C/xx not_active IP Right Cessation
- 1971-07-16 FR FR7126231A patent/FR2103042A5/fr not_active Expired
- 1971-07-16 GB GB3347871A patent/GB1311377A/en not_active Expired
- 1971-07-16 US US00163505A patent/US3764655A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2035505A1 (de) | 1972-01-20 |
| SE359282B (https=) | 1973-08-27 |
| ES392861A1 (es) | 1973-08-16 |
| DE2035505B2 (de) | 1973-11-08 |
| FR2103042A5 (https=) | 1972-04-07 |
| US3764655A (en) | 1973-10-09 |
| DE2035505C3 (de) | 1974-06-12 |
| GB1311377A (en) | 1973-03-28 |
| NL169982C (nl) | 1982-09-16 |
| NL169982B (nl) | 1982-04-16 |
| BE770043A (fr) | 1972-01-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V4 | Lapsed because of reaching the maximum lifetime of a patent |