BE623772A - - Google Patents

Info

Publication number
BE623772A
BE623772A BE623772DA BE623772A BE 623772 A BE623772 A BE 623772A BE 623772D A BE623772D A BE 623772DA BE 623772 A BE623772 A BE 623772A
Authority
BE
Belgium
Prior art keywords
stage
heating
treatment
hot
gases
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE623772A publication Critical patent/BE623772A/fr

Links

Classifications

    • 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
    • C01B25/41Polyphosphates of alkali metals
    • C01B25/412Preparation from alkali metal orthophosphates
    • C01B25/414Apparatus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
BE623772D BE623772A (OSRAM)

Publications (1)

Publication Number Publication Date
BE623772A true BE623772A (OSRAM)

Family

ID=195772

Family Applications (1)

Application Number Title Priority Date Filing Date
BE623772D BE623772A (OSRAM)

Country Status (1)

Country Link
BE (1) BE623772A (OSRAM)

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