ES392861A1 - Procedimiento para la purificacion de acidos fosforicos porneutralizacion. - Google Patents
Procedimiento para la purificacion de acidos fosforicos porneutralizacion.Info
- Publication number
- ES392861A1 ES392861A1 ES392861A ES392861A ES392861A1 ES 392861 A1 ES392861 A1 ES 392861A1 ES 392861 A ES392861 A ES 392861A ES 392861 A ES392861 A ES 392861A ES 392861 A1 ES392861 A1 ES 392861A1
- Authority
- ES
- Spain
- Prior art keywords
- alkali metal
- alkali
- solution
- metal hydroxide
- purified
- 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
- C01B25/30—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)
- Fertilizers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (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 (1)
Publication Number | Publication Date |
---|---|
ES392861A1 true ES392861A1 (es) | 1973-08-16 |
Family
ID=5777064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES392861A Expired ES392861A1 (es) | 1970-07-17 | 1971-07-03 | Procedimiento para la purificacion de acidos fosforicos porneutralizacion. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3764655A (es) |
BE (1) | BE770043A (es) |
DE (1) | DE2035505C3 (es) |
ES (1) | ES392861A1 (es) |
FR (1) | FR2103042A5 (es) |
GB (1) | GB1311377A (es) |
NL (1) | NL169982C (es) |
SE (1) | SE359282B (es) |
Families Citing this family (20)
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 |
DE3437685A1 (de) * | 1984-10-15 | 1986-04-17 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung vanadiumarmer alkaliphosphatloesungen |
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 |
JP5442740B2 (ja) * | 2008-10-16 | 2014-03-12 | エコフォス エスエー | 高純度リン酸の製造プロセス |
BE1018308A3 (fr) * | 2008-10-16 | 2010-08-03 | Ecophos Sa | Procede pour la production d'acide phosphorique de haute purete. |
DK2186774T3 (da) * | 2008-10-16 | 2012-07-09 | Ecophos S A | Fremgangsmåde til fremstilling af en phosphorsyre med høj renhed |
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 |
---|---|---|---|---|
US598182A (en) * | 1898-02-01 | Heem an-poole | ||
DD54677A (es) * | ||||
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 FR FR7126231A patent/FR2103042A5/fr not_active Expired
- 1971-07-16 NL NLAANVRAGE7109850,A patent/NL169982C/xx not_active IP Right Cessation
- 1971-07-16 US US00163505A patent/US3764655A/en not_active Expired - Lifetime
- 1971-07-16 SE SE09245/71A patent/SE359282B/xx unknown
- 1971-07-16 GB GB3347871A patent/GB1311377A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE359282B (es) | 1973-08-27 |
NL169982B (nl) | 1982-04-16 |
BE770043A (fr) | 1972-01-17 |
DE2035505B2 (de) | 1973-11-08 |
DE2035505C3 (de) | 1974-06-12 |
NL169982C (nl) | 1982-09-16 |
DE2035505A1 (de) | 1972-01-20 |
GB1311377A (en) | 1973-03-28 |
NL7109850A (es) | 1972-01-19 |
FR2103042A5 (es) | 1972-04-07 |
US3764655A (en) | 1973-10-09 |
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SU414189A1 (es) | ||
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