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BR8306914A - Processo para a preparacao de polifosfatos alcalinos e instalacao - Google Patents

Processo para a preparacao de polifosfatos alcalinos e instalacao

Info

Publication number
BR8306914A
BR8306914A BR8306914A BR8306914A BR8306914A BR 8306914 A BR8306914 A BR 8306914A BR 8306914 A BR8306914 A BR 8306914A BR 8306914 A BR8306914 A BR 8306914A BR 8306914 A BR8306914 A BR 8306914A
Authority
BR
Brazil
Prior art keywords
installation
preparation
alkaline polyphosphates
polyphosphates
alkaline
Prior art date
Application number
BR8306914A
Other languages
English (en)
Inventor
Ben Damman
Hans Scheffer
Johannes Krause
Hans Haas
Werner Kowalski
Original Assignee
Hoechst Ag
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
Priority claimed from DE19823246727 external-priority patent/DE3246727A1/de
Priority claimed from DE19833310272 external-priority patent/DE3310272A1/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of BR8306914A publication Critical patent/BR8306914A/pt

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
    • C01B25/414—Apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00121—Controlling the temperature by direct heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00157—Controlling the temperature by means of a burner

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Glanulating (AREA)
  • Treating Waste Gases (AREA)
  • Nozzles (AREA)
BR8306914A 1982-12-17 1983-12-15 Processo para a preparacao de polifosfatos alcalinos e instalacao BR8306914A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823246727 DE3246727A1 (de) 1982-12-17 1982-12-17 Verfahren und anlage zur herstellung von alkalipolyphosphaten
DE19833310272 DE3310272A1 (de) 1983-03-22 1983-03-22 Verfahren und anlage zur herstellung von alkalipolyphosphaten

Publications (1)

Publication Number Publication Date
BR8306914A true BR8306914A (pt) 1984-07-24

Family

ID=25806626

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8306914A BR8306914A (pt) 1982-12-17 1983-12-15 Processo para a preparacao de polifosfatos alcalinos e instalacao

Country Status (9)

Country Link
US (1) US4534946A (pt)
EP (1) EP0112521B1 (pt)
AU (1) AU563839B2 (pt)
BR (1) BR8306914A (pt)
CA (1) CA1217024A (pt)
DE (1) DE3375777D1 (pt)
ES (1) ES8406375A1 (pt)
PH (1) PH20066A (pt)
YU (2) YU244183A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ210819A (en) * 1984-01-25 1987-10-30 Griffith Thomas Production of alkali metal polyphosphates and/or pyrophosphates from phosphate rock
DE3513743A1 (de) * 1985-04-17 1986-10-23 Hoechst Ag, 6230 Frankfurt Hohlkugelfoermige alkalipolyphosphate mit niedrigem schuettgewicht sowie verfahren und anlage zu ihrer herstellung
DE3513744A1 (de) * 1985-04-17 1986-10-23 Hoechst Ag, 6230 Frankfurt Hohlkugelfoermige alkalipolyphosphate mit niedrigem schuettgewicht sowie verfahren und anlage zu ihrer herstellung
US4656019A (en) * 1985-10-25 1987-04-07 Fmc Corporation Production of Phase II sodium tripolyphosphate
DE3808732A1 (de) * 1988-03-16 1989-10-05 Hoechst Ag Verfahren zur herstellung von natriumtripolyphosphat
RU2142845C1 (ru) * 1998-02-02 1999-12-20 Сибирский химический комбинат Плазмоструйный реактор
AU2002348960A1 (en) * 2001-11-29 2003-06-10 Koninklijke Philips Electronics N.V. Fingerprint database maintenance method and system
CN1883786B (zh) * 2005-06-24 2010-07-28 鸿富锦精密工业（深圳）有限公司 纳米颗粒合成方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437433A (en) * 1966-06-23 1969-04-08 Fmc Corp High density sodium tripolyphosphate (form 1)
DE1729232B1 (de) * 1967-12-20 1971-07-15 Knapsack Ag Verfahren und Vorrichtung zur Herstellung von Salzen aus letztere enthaltenden Duennloesungen oder -suspensionen
FR2080557A1 (pt) * 1970-02-17 1971-11-19 Albert Ag Chem Werke

Also Published As

Publication number Publication date
US4534946A (en) 1985-08-13
YU167885A (en) 1987-10-31
PH20066A (en) 1986-09-18
ES528116A0 (es) 1984-08-01
EP0112521B1 (de) 1988-03-02
AU2249483A (en) 1984-06-21
EP0112521A3 (en) 1986-02-12
CA1217024A (en) 1987-01-27
ES8406375A1 (es) 1984-08-01
EP0112521A2 (de) 1984-07-04
DE3375777D1 (en) 1988-04-07
AU563839B2 (en) 1987-07-23
YU244183A (en) 1986-02-28

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