BE615422A - Procédé de fabrication de phosphates - Google Patents

Procédé de fabrication de phosphates

Info

Publication number
BE615422A
BE615422A BE615422A BE615422A BE615422A BE 615422 A BE615422 A BE 615422A BE 615422 A BE615422 A BE 615422A BE 615422 A BE615422 A BE 615422A BE 615422 A BE615422 A BE 615422A
Authority
BE
Belgium
Prior art keywords
volatile
phosphates
carried out
emi
heating
Prior art date
Application number
BE615422A
Other languages
English (en)
French (fr)
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
Publication of BE615422A publication Critical patent/BE615422A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B11/00Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/10Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using orthophosphoric acid
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/20Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38Nitric acid
    • C01B21/42Preparation from nitrates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/28Ammonium phosphates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/30Alkali metal phosphates
    • C01B25/301Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/30Alkali metal phosphates
    • C01B25/301Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/32Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/328Defluorination during or after the preparation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/38Condensed phosphates
    • C01B25/40Polyphosphates
    • C01B25/405Polyphosphates of ammonium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B1/00Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
    • C05B1/02Superphosphates
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B11/00Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/06Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B11/00Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/08Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)
BE615422A 1962-03-21 1962-03-22 Procédé de fabrication de phosphates BE615422A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR891717A FR1320313A (fr) 1962-03-21 1962-03-21 Procédé de fabrication de phosphates

Publications (1)

Publication Number Publication Date
BE615422A true BE615422A (fr) 1962-07-16

Family

ID=8774980

Family Applications (1)

Application Number Title Priority Date Filing Date
BE615422A BE615422A (fr) 1962-03-21 1962-03-22 Procédé de fabrication de phosphates

Country Status (3)

Country Link
BE (1) BE615422A (nl)
FR (1) FR1320313A (nl)
NL (1) NL275944A (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119296A (en) * 1977-03-28 1978-10-18 Mizusawa Industrial Chem Method of recovering nitric acid from nitrates

Also Published As

Publication number Publication date
NL275944A (nl) 1964-10-12
FR1320313A (fr) 1963-03-08

Similar Documents

Publication Publication Date Title
US2767045A (en) Treatment of phosphate rock to recover phosphorus and uranium values
EP3475221B1 (fr) Procede de production de sulfate de calcium
US3988420A (en) Processes for the manufacture of feed-grade dicalcium phosphate and phosphoric acid
US2830872A (en) Recovery of uranium values from phosphate rock
WO1992010443A1 (fr) Procede de fabrication de produits phospho-azotes et produits obtenus
BE615422A (fr) Procédé de fabrication de phosphates
FR2470090A1 (fr) Procede de purification d'un acide phosphorique de voie humide
US3719464A (en) Preparation of alkali containing calcined phosphate fertilizers
DE1592633A1 (de) Verfahren zur Herstellung von Ammoniumsalzen
US2894809A (en) Method of recovering mineral values
US3684438A (en) Purification of phosphoric acid
US4154800A (en) Process of producing phosphates and phosphoric acid
US3002812A (en) Manufacture of defluorinated phosphates
US2889217A (en) Process for producing defluorinated phosphate material
FR2621031A1 (fr) Procede pour la preparation du phosphate monocalcique
EP1704115B1 (fr) Procede de preparation de phosphates de bases fortes
FR2476055A1 (fr) Procede pour le traitement thermique de roches phosphatees
US3318660A (en) Method of producing phosphates
US598182A (en) Heem an-poole
US1196734A (en) Method of treating mineral silicates.
US2898207A (en) Acidulation of phosphate
JPS61164632A (ja) 界面活性物質の製造法
US2016530A (en) Manufacture of barium hydrate
CH248807A (fr) Procédé d'attaque des phosphates naturels.
US1295049A (en) Method of manufacturing alkali-metal cyanid and separating the same from alkali-metal hydroxid.