DE2437748A1 - Verfahren zur herstellung von kaliumphosphat bzw. -polyphosphat - Google Patents

Verfahren zur herstellung von kaliumphosphat bzw. -polyphosphat

Info

Publication number
DE2437748A1
DE2437748A1 DE2437748A DE2437748A DE2437748A1 DE 2437748 A1 DE2437748 A1 DE 2437748A1 DE 2437748 A DE2437748 A DE 2437748A DE 2437748 A DE2437748 A DE 2437748A DE 2437748 A1 DE2437748 A1 DE 2437748A1
Authority
DE
Germany
Prior art keywords
reaction
acid
potassium
phosphoric acid
product
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.)
Ceased
Application number
DE2437748A
Other languages
German (de)
English (en)
Inventor
Thomas Noel Somers
William Henry Thompson
Ralph Eric Worthington
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.)
Fitzwilton Ltd
Original Assignee
Fitzwilton 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 to GB2242972A priority Critical patent/GB1388145A/en
Application filed by Fitzwilton Ltd filed Critical Fitzwilton Ltd
Priority to DE2437748A priority patent/DE2437748A1/de
Priority to IN1776/CAL/1974A priority patent/IN140287B/en
Priority to NL7410654A priority patent/NL7410654A/xx
Priority to DD180422A priority patent/DD113739A5/xx
Priority claimed from BE147694A external-priority patent/BE818945A/fr
Publication of DE2437748A1 publication Critical patent/DE2437748A1/de
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
    • C05B13/06—Alkali and alkaline earth meta- or polyphosphate fertilisers
    • 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
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of 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
    • C01B25/38—Condensed phosphates
    • C01B25/39—Condensed phosphates of alkali metals
    • C01B25/395—Preparation and dehydrating
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)
DE2437748A 1972-05-12 1974-08-06 Verfahren zur herstellung von kaliumphosphat bzw. -polyphosphat Ceased DE2437748A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2242972A GB1388145A (en) 1972-05-12 1972-05-12 Potassium phosphate fertilisers
DE2437748A DE2437748A1 (de) 1972-05-12 1974-08-06 Verfahren zur herstellung von kaliumphosphat bzw. -polyphosphat
IN1776/CAL/1974A IN140287B (enrdf_load_stackoverflow) 1972-05-12 1974-08-07
NL7410654A NL7410654A (nl) 1972-05-12 1974-08-08 Werkwijze voor de bereiding van kunstmest.
DD180422A DD113739A5 (enrdf_load_stackoverflow) 1972-05-12 1974-08-09

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB2242972A GB1388145A (en) 1972-05-12 1972-05-12 Potassium phosphate fertilisers
DE2437748A DE2437748A1 (de) 1972-05-12 1974-08-06 Verfahren zur herstellung von kaliumphosphat bzw. -polyphosphat
NL7410654A NL7410654A (nl) 1972-05-12 1974-08-08 Werkwijze voor de bereiding van kunstmest.
DD180422A DD113739A5 (enrdf_load_stackoverflow) 1972-05-12 1974-08-09
BE147694A BE818945A (fr) 1972-05-12 1974-08-16 Engrais a base de phosphate de potassium.

Publications (1)

Publication Number Publication Date
DE2437748A1 true DE2437748A1 (de) 1976-02-26

Family

ID=27507551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2437748A Ceased DE2437748A1 (de) 1972-05-12 1974-08-06 Verfahren zur herstellung von kaliumphosphat bzw. -polyphosphat

Country Status (5)

Country Link
DD (1) DD113739A5 (enrdf_load_stackoverflow)
DE (1) DE2437748A1 (enrdf_load_stackoverflow)
GB (1) GB1388145A (enrdf_load_stackoverflow)
IN (1) IN140287B (enrdf_load_stackoverflow)
NL (1) NL7410654A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443808A (en) * 1990-04-06 1995-08-22 Kemira Oy Method of producing alkali metal phosphate

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8825390D0 (en) * 1988-10-31 1988-11-30 Univ Waterloo Production of chloride-free fertilizers-11
CN104071762B (zh) * 2014-07-24 2015-10-28 武汉东晟捷能科技有限公司 一种磷酸二氢钾的制备方法
CN112978698B (zh) * 2021-02-22 2022-08-19 江苏恒世食品科技有限公司 一种适用多品种磷酸盐的二拖二低能耗生产系统和生产方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443808A (en) * 1990-04-06 1995-08-22 Kemira Oy Method of producing alkali metal phosphate

Also Published As

Publication number Publication date
IN140287B (enrdf_load_stackoverflow) 1976-10-09
NL7410654A (nl) 1976-02-10
GB1388145A (en) 1975-03-26
DD113739A5 (enrdf_load_stackoverflow) 1975-06-20

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8110 Request for examination paragraph 44
8131 Rejection