ES2054876T3 - Procedimiento para preparar un polvo de tripolifosfato de sodio hexahidrato. - Google Patents

Procedimiento para preparar un polvo de tripolifosfato de sodio hexahidrato.

Info

Publication number
ES2054876T3
ES2054876T3 ES88850263T ES88850263T ES2054876T3 ES 2054876 T3 ES2054876 T3 ES 2054876T3 ES 88850263 T ES88850263 T ES 88850263T ES 88850263 T ES88850263 T ES 88850263T ES 2054876 T3 ES2054876 T3 ES 2054876T3
Authority
ES
Spain
Prior art keywords
hexahydrate
preparing
procedure
less
powder
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 - Lifetime
Application number
ES88850263T
Other languages
English (en)
Inventor
Paul Leonard Hensler
Mark Allen Bissell
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
Application granted granted Critical
Publication of ES2054876T3 publication Critical patent/ES2054876T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01B25/418—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Fireproofing Substances (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

EL METODO DE PRODUCCION DE POLVO HEXAHIDRATO DE TRIPOLIFOSFATO DE SODIO QUE COMPRENDE HIDRATACION DE TRIPOLIFOSFATOS DE SODIO ANHIDRO CON UN TAMAÑO DE PARTICULA TAL QUE AL MENOS EL 85% EN PESO ES MENOS QUE 150 MICROMETROS CON AGUA SUFICIENTE PARA PROPORCIONAR NO MAS QUE 105% DE LA CANTIDAD TEORICA DE AGUA PARA FORMAR EL HEXADIHIDRATO, SECADO DEL TRIPOLIFOSFATO DE SODIO HEXAHIDRATADO PARA SEPARAR SUSTANCIALMENTE TODA EL AGUA NO COMBINADA Y MANTENER DICHAS ETAPAS DE HIDRATACION Y SECADO A MENOS DE 80% PRODUCIENDO UN POLVO HEXAHIDRATO DE TRIPOLIFOSFATO SODICO TAL QUE AL MENOS EL 50% EN PESO ES MENOS QUE 150 MICROM. ES UN COMPUESTO MUY UTIL PARA UTILIZAR COMO ADITIVO EN UN DETERGENTE.
ES88850263T 1987-08-10 1988-08-08 Procedimiento para preparar un polvo de tripolifosfato de sodio hexahidrato. Expired - Lifetime ES2054876T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/083,407 US4790984A (en) 1987-08-10 1987-08-10 Process for preparing a sodium tripolyphosphate hexahydrate powder

Publications (1)

Publication Number Publication Date
ES2054876T3 true ES2054876T3 (es) 1994-08-16

Family

ID=22178110

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88850263T Expired - Lifetime ES2054876T3 (es) 1987-08-10 1988-08-08 Procedimiento para preparar un polvo de tripolifosfato de sodio hexahidrato.

Country Status (8)

Country Link
US (1) US4790984A (es)
EP (1) EP0307378B1 (es)
JP (1) JPS6456310A (es)
AT (1) ATE89238T1 (es)
CA (1) CA1296506C (es)
DE (1) DE3880938T2 (es)
ES (1) ES2054876T3 (es)
MX (1) MX165832B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4907167B2 (ja) * 2005-12-20 2012-03-28 花王株式会社 粉末洗剤の製造方法
WO2017130123A1 (en) * 2016-01-27 2017-08-03 Nestec Sa Methods of preventing or mitigating discoloration of pet litter

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494828A (en) * 1946-02-28 1950-01-17 Hall Lab Inc Glassy phosphate powder composition and process of making the same
US2566424A (en) * 1946-02-28 1951-09-04 Hall Lab Inc Powdered glassy phosphate composition and method of making the same
US3233967A (en) * 1960-07-21 1966-02-08 Monsanto Co Manufacture of alkali metal tripolyphosphates
US3309174A (en) * 1962-11-29 1967-03-14 Fmc Corp Alkali metal tripolyphosphate product
US3322493A (en) * 1963-04-29 1967-05-30 Fmc Corp Sodium tripolyphosphate product
US3469938A (en) * 1967-07-28 1969-09-30 Fmc Corp Production of hydrated sodium tripolyphosphate
FR2080557A1 (es) * 1970-02-17 1971-11-19 Albert Ag Chem Werke
DE2008495C3 (de) * 1970-02-24 1974-12-05 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Herstellung von körnigem Alkalitripolyphosphat
US3852212A (en) * 1972-11-29 1974-12-03 Fmc Corp Method of producing hydrated sodium tripolyphosphate composition
US4251498A (en) * 1979-01-02 1981-02-17 Fmc Corporation Preparation of granular sodium tripolyphosphate products from screen undersize sodium tripolyphosphate particles
US4255274A (en) * 1979-01-02 1981-03-10 Fmc Corporation Preparation of granular sodium tripolyphosphate products
PH15690A (en) * 1979-10-31 1983-03-11 Unilever Nv Detergent compositions and processes for manufacturing them
US4315898A (en) * 1980-06-30 1982-02-16 Fmc Corportion Preparation of granular sodium tripolyphosphate hexahydrate with low friability
DE3035820A1 (de) * 1980-09-23 1982-05-06 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von granulierten alkalidi- oder -triphosphaten
FR2565574B1 (fr) * 1984-06-08 1988-04-22 Rhone Poulenc Chim Base Procede de preparation d'un tripolyphosphate de sodium hexahydrate a haut pouvoir absorbant et tripolyphosphate ainsi prepare

Also Published As

Publication number Publication date
US4790984A (en) 1988-12-13
ATE89238T1 (de) 1993-05-15
DE3880938D1 (de) 1993-06-17
DE3880938T2 (de) 1993-09-02
EP0307378A1 (en) 1989-03-15
EP0307378B1 (en) 1993-05-12
MX165832B (es) 1992-12-07
CA1296506C (en) 1992-03-03
JPS6456310A (en) 1989-03-03

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