BE704913A - - Google Patents

Info

Publication number
BE704913A
BE704913A BE704913DA BE704913A BE 704913 A BE704913 A BE 704913A BE 704913D A BE704913D A BE 704913DA BE 704913 A BE704913 A BE 704913A
Authority
BE
Belgium
Prior art keywords
solution
ammonia
phosphoric acid
acid
pressure
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE704913A publication Critical patent/BE704913A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B13/00Fertilisers produced by pyrogenic processes from phosphatic materials
    • C05B13/06Alkali and alkaline earth meta- or polyphosphate fertilisers
    • 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
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/2343Concentration concomitant with purification, e.g. elimination of fluorine
    • 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
    • C01B25/38Condensed phosphates
    • C01B25/40Polyphosphates
    • C01B25/405Polyphosphates of ammonium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)
BE704913D 1966-10-20 1967-10-10 BE704913A (d)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55803466A 1966-10-20 1966-10-20

Publications (1)

Publication Number Publication Date
BE704913A true BE704913A (d) 1968-02-15

Family

ID=24227911

Family Applications (1)

Application Number Title Priority Date Filing Date
BE704913D BE704913A (d) 1966-10-20 1967-10-10

Country Status (1)

Country Link
BE (1) BE704913A (d)

Similar Documents

Publication Publication Date Title
NO160956B (no) Synkron undertrykkelse-scrambling av televisjonssignaler for abonnent-tv samt fremgangsmaate ved synkron undertrykkelses-scramblerabonnent-tv-system.
CA1179163A (fr) Procede de fabrication de produits sous forme de particules solides notamment d'engrais granules np/npk contenant du phosphate d'ammonium
US2963359A (en) Process of manufacturing di-ammonium phosphate
FR2532291A1 (fr) Obtention d'une solution d'hypochlorite de sodium a haute concentration par un procede continu
GB1581465A (en) Sodium percarbonate
CA2096484C (fr) Procede de traitement thermique de brasquages uses provenant de cuves d'electrolyse hall-heroult
US3649175A (en) Treatment of phosphoric acid, process, apparatus and product
US3503706A (en) Process for manufacturing ammonium polyphosphate
NO159308B (no) Anordning for tetning av en aapning rundt et lederoer.
FR2521984A1 (fr) Procede de fabrication d'engrais granulaires
BE704913A (d)
US1980008A (en) Manufacture of fertilizers
USH980H (en) Two-stage, single-unit, and energy-efficient granulator dryer
US3328159A (en) Production of granular enriched superphosphate
RU2634936C2 (ru) Способ получения комплексных минеральных удобрений из фосфатной руды и установка для его реализации
BE472116A (fr) Fabrication de chlorure de calcium
DK166672B1 (da) Fremgangsmaade til fremstilling af calcium-urinstof-nitrat
Meline et al. Plant-scale production of fertilizers in a pan granulator
US3199973A (en) Multi-stage process of producing di-ammonium phosphate
FR2519334A1 (fr) Procede de fabrication d'un engrais complexe granulaire
US3523784A (en) Manufacture of ammonium phosphate fertilizer
BE628222A (d)
FR2558823A1 (fr) Procede de fabrication d'engrais par solubilisation partielle de phosphates naturels
CH265522A (fr) Procédé de préparation d'un engrais granulé au phosphonitrate, et installation pour la mise en oeuvre de ce procédé.
BE530425A (d)