DE270329C - - Google Patents

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Publication number
DE270329C
DE270329C DENDAT270329D DE270329DA DE270329C DE 270329 C DE270329 C DE 270329C DE NDAT270329 D DENDAT270329 D DE NDAT270329D DE 270329D A DE270329D A DE 270329DA DE 270329 C DE270329 C DE 270329C
Authority
DE
Germany
Prior art keywords
phosphates
melted
oxygen
citric acid
temperature
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.)
Active
Application number
DENDAT270329D
Other languages
German (de)
Publication of DE270329C publication Critical patent/DE270329C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
    • C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Gewinnung von zitronensäurelöslichen Phosphaten, dadurch gekennzeichnet, daß man Rohphosphate bei einer Temperatur von mindestens 20000C. unter Zuführung von Sauerstoff, atmosphärischer Luft oder irgendeines Oxydationsmittels schmilzt.Process for obtaining citric acid-soluble phosphates, characterized in that raw phosphates are melted at a temperature of at least 2000 ° C. with the addition of oxygen, atmospheric air or any oxidizing agent.
DENDAT270329D Active DE270329C (en)

Publications (1)

Publication Number Publication Date
DE270329C true DE270329C (en)

Family

ID=527086

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT270329D Active DE270329C (en)

Country Status (1)

Country Link
DE (1) DE270329C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750289C (en) * 1940-03-30 1945-01-04 Guano Werke Ag Vormals Ohlendo Process for the production of phosphoric acid dueners
DE750708C (en) * 1935-09-24 1945-01-25 Union Fabrik Chemischer Produc Process for the production of a melt phosphate containing free colloidal silica

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750708C (en) * 1935-09-24 1945-01-25 Union Fabrik Chemischer Produc Process for the production of a melt phosphate containing free colloidal silica
DE750289C (en) * 1940-03-30 1945-01-04 Guano Werke Ag Vormals Ohlendo Process for the production of phosphoric acid dueners

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