ES8500866A1 - Un procedimiento de secado por pulverizacion en una sola etapa para fabricar tripolifosfato sodico de 90% de pureza o mayor. - Google Patents

Un procedimiento de secado por pulverizacion en una sola etapa para fabricar tripolifosfato sodico de 90% de pureza o mayor.

Info

Publication number
ES8500866A1
ES8500866A1 ES522198A ES522198A ES8500866A1 ES 8500866 A1 ES8500866 A1 ES 8500866A1 ES 522198 A ES522198 A ES 522198A ES 522198 A ES522198 A ES 522198A ES 8500866 A1 ES8500866 A1 ES 8500866A1
Authority
ES
Spain
Prior art keywords
sodium tripolyphosphate
production
spray
drying
sodium
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.)
Expired
Application number
ES522198A
Other languages
English (en)
Other versions
ES522198A0 (es
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of ES8500866A1 publication Critical patent/ES8500866A1/es
Publication of ES522198A0 publication Critical patent/ES522198A0/es
Granted 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
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/41—Polyphosphates of alkali metals
    • C01B25/412—Preparation from alkali metal orthophosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Medicinal Preparation (AREA)

Abstract

PROCEDIMIENTO DE SECADO POR PULVERIZACION EN UNA SOLA ETAPA PARA FABRICAR TRIPOLIFOSFATO SODICO DE 90 DE PUREZA O MAYOR.COMPRENDE: A) PULVERIZAR UN LICOR DE ALIMENTACION DE ORTOFOSFATO SODICO ACUOSO CON RELACION DE NA2O:P2O5 DE 1,60 A 1,70 EN UN SECADOR POR PULVERIZACION; B) SECAR LA ALIMENTACION PULVERIZADA A UNA TEMPERATURA ENTRE 250 Y 420JC DURANTE MAS DE UN MINUTO PARA PRODUCIR TRIPOLIFOSFATO SODICO; C) SEPARAR EL PRODUCTO DE TRIPOLIFOSFATO SODICO DEL SECADOR; Y D) ENFRIAR EL PRODUCTO A 150JC O MENOS EN VEINTE MINUTOS O MENOS.
ES522198A 1982-05-10 1983-05-09 Un procedimiento de secado por pulverizacion en una sola etapa para fabricar tripolifosfato sodico de 90% de pureza o mayor. Granted ES522198A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37690982A 1982-05-10 1982-05-10

Publications (2)

Publication Number Publication Date
ES8500866A1 true ES8500866A1 (es) 1984-11-01
ES522198A0 ES522198A0 (es) 1984-11-01

Family

ID=23486999

Family Applications (1)

Application Number Title Priority Date Filing Date
ES522198A Granted ES522198A0 (es) 1982-05-10 1983-05-09 Un procedimiento de secado por pulverizacion en una sola etapa para fabricar tripolifosfato sodico de 90% de pureza o mayor.

Country Status (3)

Country Link
DE (1) DE3310604A1 (es)
ES (1) ES522198A0 (es)
NL (1) NL189907C (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857287A (en) * 1988-08-16 1989-08-15 Fmc Corporation Fast-dissolving, non-caking, food grade sodium tripolyphosphate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898189A (en) * 1954-03-08 1959-08-04 Knapsack Ag Process for preparing alkali metal triphosphates, alkali metal pyrophosphates and mixtures thereof
GB799429A (en) * 1954-03-08 1958-08-06 Knapsack Ag Manufacture of alkali metal phosphates
US2977317A (en) * 1954-10-21 1961-03-28 Knapsack Ag Process for producing compositions containing sodium tripolyphosphate
DE1258849B (de) * 1965-06-18 1968-01-18 Knapsack Ag Verfahren zur Herstellung von Natriumtripolyphosphat mit hohem Gehalt der Hochtemperaturform
DE1567633B1 (de) * 1966-08-06 1970-04-23 Knapsack Ag Verfahren zur Herstellung von Natriumtripolyphosphat mit hohem Gehalt der Tieftemperaturform

Also Published As

Publication number Publication date
NL8300851A (nl) 1983-12-01
NL189907B (nl) 1993-04-01
NL189907C (nl) 1993-09-01
DE3310604A1 (de) 1983-11-17
ES522198A0 (es) 1984-11-01
DE3310604C2 (es) 1992-07-30

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