GB2077711B - Preparation of ammonium polyphosphate - Google Patents

Preparation of ammonium polyphosphate

Info

Publication number
GB2077711B
GB2077711B GB8116676A GB8116676A GB2077711B GB 2077711 B GB2077711 B GB 2077711B GB 8116676 A GB8116676 A GB 8116676A GB 8116676 A GB8116676 A GB 8116676A GB 2077711 B GB2077711 B GB 2077711B
Authority
GB
United Kingdom
Prior art keywords
preparation
ammonium polyphosphate
polyphosphate
ammonium
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
GB8116676A
Other versions
GB2077711A (en
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.)
Anic SpA
Original Assignee
Anic SpA
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 Anic SpA filed Critical Anic SpA
Publication of GB2077711A publication Critical patent/GB2077711A/en
Application granted granted Critical
Publication of GB2077711B publication Critical patent/GB2077711B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
    • C05B1/06—Ammoniation of superphosphates
    • 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
    • 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
    • C01B25/405—Polyphosphates of ammonium
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Fertilizers (AREA)
GB8116676A 1980-06-05 1981-06-01 Preparation of ammonium polyphosphate Expired GB2077711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22562/80A IT1174670B (en) 1980-06-05 1980-06-05 PROCEDURE FOR THE PRODUCTION OF AMMONIUM POLYPHOSPHATES AND EQUIPMENT TO MAKE IT

Publications (2)

Publication Number Publication Date
GB2077711A GB2077711A (en) 1981-12-23
GB2077711B true GB2077711B (en) 1983-12-21

Family

ID=11197860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8116676A Expired GB2077711B (en) 1980-06-05 1981-06-01 Preparation of ammonium polyphosphate

Country Status (5)

Country Link
BE (1) BE889096A (en)
ES (1) ES8203798A1 (en)
GB (1) GB2077711B (en)
IT (1) IT1174670B (en)
MA (1) MA19168A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS230266B1 (en) * 1982-02-15 1984-08-13 Jan Teren Method of and apparatus for continuously preparing melt of condensed ammonium phosphates
GR862922B (en) * 1986-12-18 1987-01-12 Himikes Viomihanies Voreiou El Tubular reactor

Also Published As

Publication number Publication date
IT1174670B (en) 1987-07-01
MA19168A1 (en) 1981-12-31
ES503253A0 (en) 1982-04-01
IT8022562A0 (en) 1980-06-05
BE889096A (en) 1981-12-04
GB2077711A (en) 1981-12-23
ES8203798A1 (en) 1982-04-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960601