FR2295912B1 - - Google Patents
Info
- Publication number
- FR2295912B1 FR2295912B1 FR7539572A FR7539572A FR2295912B1 FR 2295912 B1 FR2295912 B1 FR 2295912B1 FR 7539572 A FR7539572 A FR 7539572A FR 7539572 A FR7539572 A FR 7539572A FR 2295912 B1 FR2295912 B1 FR 2295912B1
- Authority
- FR
- France
- 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
- C01B25/30—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)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2461064A DE2461064C2 (de) | 1974-12-23 | 1974-12-23 | Verfahren zur Herstellung reiner Alkaliphosphatlösungen aus Naßverfahrensphosphorsäure |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2295912A1 FR2295912A1 (fr) | 1976-07-23 |
FR2295912B1 true FR2295912B1 (US07709020-20100504-C00041.png) | 1981-06-19 |
Family
ID=5934389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7539572A Granted FR2295912A1 (fr) | 1974-12-23 | 1975-12-23 | Procede de preparation de solutions pures de phosphates alcalins a partir d'acide phosphorique prepare par voie humide |
Country Status (8)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA801758B (en) * | 1979-04-04 | 1981-03-25 | Mobil Oil Corp | Steam-resistant zeolite catalyst |
DE3437685C2 (de) * | 1984-10-15 | 1987-03-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung einer vanadiumarmen Alkaliphosphatlösung |
US4704263A (en) * | 1985-06-24 | 1987-11-03 | Advanced Separation Technologies Incorporated | Production of potassium phosphates by ion exchange |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE2035505C3 (de) * | 1970-07-17 | 1974-06-12 | Knapsack Ag, 5033 Huerth-Knapsack | Verfahren zur Herstellung reiner Alkaliphosphatlösungen |
-
1974
- 1974-12-23 DE DE2461064A patent/DE2461064C2/de not_active Expired
-
1975
- 1975-11-11 ES ES442528A patent/ES442528A1/es not_active Expired
- 1975-11-26 SE SE7513304A patent/SE405591B/xx not_active IP Right Cessation
- 1975-12-12 GB GB51009/75A patent/GB1490936A/en not_active Expired
- 1975-12-15 US US05/640,772 patent/US4100261A/en not_active Expired - Lifetime
- 1975-12-18 NL NLAANVRAGE7514780,A patent/NL170840C/xx not_active IP Right Cessation
- 1975-12-22 BE BE162985A patent/BE836922A/xx not_active IP Right Cessation
- 1975-12-23 FR FR7539572A patent/FR2295912A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2461064A1 (de) | 1976-06-24 |
GB1490936A (en) | 1977-11-02 |
BE836922A (fr) | 1976-06-22 |
DE2461064C2 (de) | 1984-03-01 |
SE405591B (sv) | 1978-12-18 |
US4100261A (en) | 1978-07-11 |
NL170840C (nl) | 1983-01-03 |
NL7514780A (nl) | 1976-06-25 |
ES442528A1 (es) | 1977-04-16 |
FR2295912A1 (fr) | 1976-07-23 |
SE7513304L (sv) | 1976-06-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |