FR2103042A5 - - Google Patents

Info

Publication number
FR2103042A5
FR2103042A5 FR7126231A FR7126231A FR2103042A5 FR 2103042 A5 FR2103042 A5 FR 2103042A5 FR 7126231 A FR7126231 A FR 7126231A FR 7126231 A FR7126231 A FR 7126231A FR 2103042 A5 FR2103042 A5 FR 2103042A5
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
Application number
FR7126231A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knapsack AG
Original Assignee
Knapsack AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Knapsack AG filed Critical Knapsack AG
Application granted granted Critical
Publication of FR2103042A5 publication Critical patent/FR2103042A5/fr
Expired legal-status Critical Current

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)
FR7126231A 1970-07-17 1971-07-16 Expired FR2103042A5 (fr)

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
FR2103042A5 true FR2103042A5 (fr) 1972-04-07

Family

ID=5777064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7126231A Expired FR2103042A5 (fr) 1970-07-17 1971-07-16

Country Status (8)

Country Link
US (1) US3764655A (fr)
BE (1) BE770043A (fr)
DE (1) DE2035505C3 (fr)
ES (1) ES392861A1 (fr)
FR (1) FR2103042A5 (fr)
GB (1) GB1311377A (fr)
NL (1) NL169982C (fr)
SE (1) SE359282B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010043262A1 (fr) * 2008-10-16 2010-04-22 Ecophos Sa Procédé de production d’acide phosphorique extrêmement pur
EP2186774A1 (fr) * 2008-10-16 2010-05-19 Ecophos S.A. Procédé de fabrication d'un acide phosphorique de grande pureté
BE1018308A3 (fr) * 2008-10-16 2010-08-03 Ecophos Sa Procede pour la production d'acide phosphorique de haute purete.

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
US10995014B1 (en) 2020-07-10 2021-05-04 Northvolt Ab Process for producing crystallized metal sulfates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US598182A (en) * 1898-02-01 Heem an-poole
DD54677A (fr) *
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010043262A1 (fr) * 2008-10-16 2010-04-22 Ecophos Sa Procédé de production d’acide phosphorique extrêmement pur
EP2186774A1 (fr) * 2008-10-16 2010-05-19 Ecophos S.A. Procédé de fabrication d'un acide phosphorique de grande pureté
BE1018308A3 (fr) * 2008-10-16 2010-08-03 Ecophos Sa Procede pour la production d'acide phosphorique de haute purete.

Also Published As

Publication number Publication date
ES392861A1 (es) 1973-08-16
BE770043A (fr) 1972-01-17
DE2035505C3 (de) 1974-06-12
DE2035505A1 (de) 1972-01-20
DE2035505B2 (de) 1973-11-08
NL7109850A (fr) 1972-01-19
NL169982B (nl) 1982-04-16
NL169982C (nl) 1982-09-16
US3764655A (en) 1973-10-09
GB1311377A (en) 1973-03-28
SE359282B (fr) 1973-08-27

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