DE3670624D1 - Verfahren zur herstellung von kaliumdihydrogenphosphat. - Google Patents

Verfahren zur herstellung von kaliumdihydrogenphosphat.

Info

Publication number
DE3670624D1
DE3670624D1 DE8686304442T DE3670624T DE3670624D1 DE 3670624 D1 DE3670624 D1 DE 3670624D1 DE 8686304442 T DE8686304442 T DE 8686304442T DE 3670624 T DE3670624 T DE 3670624T DE 3670624 D1 DE3670624 D1 DE 3670624D1
Authority
DE
Germany
Prior art keywords
phosphate
monopotassium
dihydrogen phosphate
potassium dihydrogen
range
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
DE8686304442T
Other languages
English (en)
Inventor
Alexander Iosef
Menachem Bar-On
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.)
Rotem Amfert Negev Ltd
Original Assignee
Negev Phosphates 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
Application filed by Negev Phosphates Ltd filed Critical Negev Phosphates Ltd
Application granted granted Critical
Publication of DE3670624D1 publication Critical patent/DE3670624D1/de
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
    • C01B25/30—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
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Fertilizers (AREA)
  • Saccharide Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Seasonings (AREA)
DE8686304442T 1985-07-10 1986-06-10 Verfahren zur herstellung von kaliumdihydrogenphosphat. Expired - Lifetime DE3670624D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL75767A IL75767A (en) 1985-07-10 1985-07-10 Process for the manufacture of pure monopotassium phosphate

Publications (1)

Publication Number Publication Date
DE3670624D1 true DE3670624D1 (de) 1990-05-31

Family

ID=11056061

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686304442T Expired - Lifetime DE3670624D1 (de) 1985-07-10 1986-06-10 Verfahren zur herstellung von kaliumdihydrogenphosphat.

Country Status (10)

Country Link
US (1) US4678649A (de)
EP (1) EP0208422B1 (de)
JP (1) JPH0733244B2 (de)
AT (1) ATE52238T1 (de)
AU (1) AU585027B2 (de)
CA (1) CA1326753C (de)
DE (1) DE3670624D1 (de)
IL (1) IL75767A (de)
NO (1) NO169885C (de)
ZA (1) ZA864431B (de)

Families Citing this family (11)

* 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
US5114460A (en) * 1988-10-31 1992-05-19 Alpine Plant Foods Limited Production of low-chloride alkali metal phosphates
FI107330B (fi) * 1999-12-03 2001-07-13 Kemira Agro Oy Kahden alkalimetallisuolan valmistaminen yhdistetyllä ioninvaihto- ja kiteytysmenetelmällä
US7374740B2 (en) * 2005-03-31 2008-05-20 Cargill, Incorporated Process for producing high purity phosphates
IL174212A (en) * 2006-03-09 2011-09-27 Rotem Amfert Negev Ltd Solid, soluble and soluble fertilizers, free flow and preparation
RU2682549C1 (ru) * 2017-10-13 2019-03-19 Федеральное государственное унитарное предприятие "Институт химических реактивов и особо чистых химических веществ Национального исследовательского центра "Курчатовский институт" Способ очистки растворов калия дигидрофосфата
WO2021203123A1 (en) 2020-03-31 2021-10-07 Johnson Matthey Public Limited Company Phosphate salts manufacturing processes
CN112758906A (zh) * 2020-12-31 2021-05-07 谢坪 磷酸二氢钾的生产工艺
CN114057172B (zh) * 2021-12-29 2023-01-20 山东省神农生态科技股份有限公司 玉米浆中钾离子回收生产磷酸二氢钾的方法及其生产的磷酸二氢钾
CN115535979B (zh) * 2022-10-18 2023-08-08 新希望化工投资有限公司 一种磷酸二氢钾及利用磷酸氢钙制备磷酸二氢钾的方法
CN115676788B (zh) * 2022-10-18 2024-02-02 新希望化工投资有限公司 一种高纯磷酸二氢钾及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29458A (en) * 1860-08-07 petefls
NL216767A (de) * 1956-05-01
GB1203444A (en) * 1967-03-07 1970-08-26 Albright & Wilson Mfg Ltd Production of potassium dihydrogen phosphate
US3600152A (en) * 1968-08-27 1971-08-17 Pennzoil United Inc Phosphate fertilizer products
IE34022B1 (en) * 1968-09-20 1975-01-08 Goulding Ltd W & H M The production of fertilisers
US3803884A (en) * 1969-01-09 1974-04-16 Fitzwilton Ltd Production of fertilizers
US3956464A (en) * 1970-10-16 1976-05-11 Pennzoil Company Preparation of phosphates
US3697246A (en) * 1970-10-16 1972-10-10 Pennzoil United Inc Potassium phosphate manufacture
US4191734A (en) * 1976-06-15 1980-03-04 Pennzoil Company Fluoride-free phosphate reactions
US4160657A (en) * 1978-01-19 1979-07-10 Pennzoil Company Preparation of monocalcium phosphate and phosphoric acid
AU568132B2 (en) * 1983-06-24 1987-12-17 Thomas, G. Alkali metal phosphates

Also Published As

Publication number Publication date
NO169885C (no) 1992-08-19
NO862783D0 (no) 1986-07-09
IL75767A (en) 1988-09-30
EP0208422B1 (de) 1990-04-25
NO862783L (no) 1987-01-12
AU585027B2 (en) 1989-06-08
IL75767A0 (de) 1985-11-29
ZA864431B (en) 1987-02-25
EP0208422A2 (de) 1987-01-14
CA1326753C (en) 1994-02-08
US4678649A (en) 1987-07-07
ATE52238T1 (de) 1990-05-15
NO169885B (no) 1992-05-11
AU5889586A (en) 1987-01-15
JPH0733244B2 (ja) 1995-04-12
EP0208422A3 (en) 1987-04-01
JPS6212603A (ja) 1987-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ROTEM AMFERT NEGEV LTD., DIMONA, IL