FR2257542B1 - - Google Patents

Info

Publication number
FR2257542B1
FR2257542B1 FR7501053A FR7501053A FR2257542B1 FR 2257542 B1 FR2257542 B1 FR 2257542B1 FR 7501053 A FR7501053 A FR 7501053A FR 7501053 A FR7501053 A FR 7501053A FR 2257542 B1 FR2257542 B1 FR 2257542B1
Authority
FR
France
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
FR7501053A
Other versions
FR2257542A1 (fr
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.)
Fisons Ltd
Original Assignee
Fisons Ltd
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 GB2138/74A external-priority patent/GB1491051A/en
Application filed by Fisons Ltd filed Critical Fisons Ltd
Publication of FR2257542A1 publication Critical patent/FR2257542A1/fr
Application granted granted Critical
Publication of FR2257542B1 publication Critical patent/FR2257542B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • 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
    • C01B25/28—Ammonium phosphates
    • 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
FR7501053A 1974-01-16 1975-01-15 Expired FR2257542B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2138/74A GB1491051A (en) 1974-01-16 1974-01-16 Production of ammonium phosphate
GB1491274 1974-04-04

Publications (2)

Publication Number Publication Date
FR2257542A1 FR2257542A1 (fr) 1975-08-08
FR2257542B1 true FR2257542B1 (fr) 1979-04-13

Family

ID=26237295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501053A Expired FR2257542B1 (fr) 1974-01-16 1975-01-15

Country Status (8)

Country Link
US (1) US3974262A (fr)
JP (1) JPS50103500A (fr)
BR (1) BR7500271A (fr)
ES (1) ES433752A1 (fr)
FR (1) FR2257542B1 (fr)
IN (1) IN142176B (fr)
NL (1) NL7417042A (fr)
TR (1) TR19223A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380229B (de) * 1984-01-30 1986-04-25 Mikhail Vasilievich Lykov Verfahren zur herstellung von fluessigen komplexduengern aus nassphosphorsaeure und gasfoermigem ammoniak

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325927A (en) * 1979-12-14 1982-04-20 Agrico Chemical Company Purified monoammonium phosphate process
US4565680A (en) * 1985-01-14 1986-01-21 Stauffer Chemical Company Recovery of phosphorus and aluminum from spent acid from the bright-dip aluminum finishing process
FI116288B (fi) * 1999-07-08 2005-10-31 Kemira Growhow Oyj Ureafosfaattiprosessin emäliuoksen käsittelymenetelmä
US6280494B1 (en) * 1999-07-21 2001-08-28 Imc-Agrico Co. Method for producing fertilizer grade DAP having an increased nitrogen concentration in a spray column
FR3039830B1 (fr) * 2015-08-03 2018-09-07 Ocp Sa Procede de fabrication d'un engrais a base de phosphate d'ammonium presentant une teneur reduite en cadmium

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902342A (en) * 1955-01-27 1959-09-01 Jr Bernard J Kerley Method and apparatus for producing ammonium salts
US2963359A (en) * 1957-10-23 1960-12-06 Tennessee Corp Process of manufacturing di-ammonium phosphate
US3310371A (en) * 1962-10-30 1967-03-21 Dorr Oliver Inc Production of ammonium phosphate
US3421847A (en) * 1963-05-10 1969-01-14 Electric Reduction Co Modification in the production of crystalline ammonium phosphates
BE661724A (fr) * 1964-03-26
JPS4919259B1 (fr) * 1969-08-30 1974-05-16
US3824283A (en) * 1970-11-02 1974-07-16 Chemical Construction Corp Urea synthesis process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380229B (de) * 1984-01-30 1986-04-25 Mikhail Vasilievich Lykov Verfahren zur herstellung von fluessigen komplexduengern aus nassphosphorsaeure und gasfoermigem ammoniak

Also Published As

Publication number Publication date
FR2257542A1 (fr) 1975-08-08
JPS50103500A (fr) 1975-08-15
NL7417042A (nl) 1975-07-18
ES433752A1 (es) 1976-12-01
TR19223A (tr) 1978-06-01
US3974262A (en) 1976-08-10
BR7500271A (pt) 1975-11-04
IN142176B (fr) 1977-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse