NL194122C - Werkwijze voor het bereiden van alkalimetaalfosfaat. - Google Patents

Werkwijze voor het bereiden van alkalimetaalfosfaat. Download PDF

Info

Publication number
NL194122C
NL194122C NL9120002A NL9120002A NL194122C NL 194122 C NL194122 C NL 194122C NL 9120002 A NL9120002 A NL 9120002A NL 9120002 A NL9120002 A NL 9120002A NL 194122 C NL194122 C NL 194122C
Authority
NL
Netherlands
Prior art keywords
alkali metal
product
solution
phosphoric acid
minutes
Prior art date
Application number
NL9120002A
Other languages
English (en)
Dutch (nl)
Other versions
NL194122B (nl
NL9120002A (nl
Inventor
Robert Perander
Stig-G Ran Anders Weckman
Sakari Riihimoki
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Publication of NL9120002A publication Critical patent/NL9120002A/nl
Publication of NL194122B publication Critical patent/NL194122B/xx
Application granted granted Critical
Publication of NL194122C publication Critical patent/NL194122C/nl

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
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • 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)
NL9120002A 1990-04-06 1991-04-05 Werkwijze voor het bereiden van alkalimetaalfosfaat. NL194122C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI901770A FI92820C (fi) 1990-04-06 1990-04-06 Menetelmä alkalimetallifosfaatin valmistamiseksi
FI901770 1990-04-06
PCT/FI1991/000100 WO1991015424A1 (en) 1990-04-06 1991-04-05 Method for producing alkali metal phosphate
FI9100100 1991-04-05

Publications (3)

Publication Number Publication Date
NL9120002A NL9120002A (nl) 1992-03-02
NL194122B NL194122B (nl) 2001-03-01
NL194122C true NL194122C (nl) 2001-07-03

Family

ID=8530231

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9120002A NL194122C (nl) 1990-04-06 1991-04-05 Werkwijze voor het bereiden van alkalimetaalfosfaat.

Country Status (9)

Country Link
US (1) US5443808A (da)
JP (1) JP2939830B2 (da)
DE (1) DE4190730T1 (da)
FI (1) FI92820C (da)
GB (1) GB2250279B (da)
IL (1) IL97778A (da)
NL (1) NL194122C (da)
SE (1) SE469030B (da)
WO (1) WO1991015424A1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6921594B2 (en) * 2001-12-19 2005-07-26 Sud-Chemie Inc. Exhaust treatment and filtration system for molten carbonate fuel cells
IL187829A (en) * 2007-12-03 2014-05-28 Rotem Amfert Negev Ltd Preparation of potassium phosphate based preparation
SE532281C2 (sv) * 2008-04-14 2009-12-01 Vattenfall Ab Publ Förfarande för behandling av alkaliska klorider i gasfas i en förbränningsanläggning, förbränningsanläggning för utövande av förfarandet, samt användning av ett fosforhaltigt ämne för behandling av alkaliska klorider i gasfas i en förbränningsanläggning
CN102530902B (zh) * 2011-11-24 2014-08-20 广西力源肥业科技农化有限公司 一种工业化连续生产磷酸二氢钾的方法
CN103172040A (zh) * 2011-12-23 2013-06-26 山东鼎欣生物科技有限公司 一种高纯磷酸二氢钾生产方法
US20170102225A1 (en) * 2015-10-07 2017-04-13 Consolidated Container Company System and method for non-destructive layer detection
KR102632786B1 (ko) * 2022-08-26 2024-02-05 경북대학교 산학협력단 메타인산칼륨 나노복합체, 이의 제조방법 및 이의 용도

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE578626A (da) * 1957-08-01
BE657323A (da) * 1963-12-20
NO115992B (da) * 1964-07-22 1969-01-06 Knapsack Ag
FR1590299A (da) * 1967-11-02 1970-04-13
IE34022B1 (en) * 1968-09-20 1975-01-08 Goulding Ltd W & H M The production of fertilisers
US3650684A (en) * 1968-12-10 1972-03-21 Swift & Co Manufacture of potassium metaphosphate
US3554729A (en) * 1969-08-28 1971-01-12 Gulf Research Development Co Manufacture of low chloride potassium phosphate fertilizer
US3784367A (en) * 1971-08-10 1974-01-08 Allied Chem Production of potassium polyphosphates
US3770410A (en) * 1971-09-10 1973-11-06 Occidental Petroleum Corp Production of potassium polyphosphates from phosphate acid sludges
GB1388145A (en) * 1972-05-12 1975-03-26 Fitzwilton Ltd Potassium phosphate fertilisers
US4134964A (en) * 1974-10-04 1979-01-16 Hoechst Aktiengesellschaft Process and apparatus for purifying wet-processed phosphoric acid
SE411818B (sv) * 1976-03-17 1980-02-04 Amp Inc Sett att avsluta en trad samt elektriskt kontaktorgan for utforande av forfarandet
US4885148A (en) * 1988-09-06 1989-12-05 Phosphate Engineering & Construction Co., Inc. Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process
GB8825390D0 (en) * 1988-10-31 1988-11-30 Univ Waterloo Production of chloride-free fertilizers-11

Also Published As

Publication number Publication date
FI901770A0 (fi) 1990-04-06
JPH05500652A (ja) 1993-02-12
IL97778A0 (en) 1992-06-21
FI92820C (fi) 1995-01-10
DE4190730T1 (da) 1993-06-03
SE9103609D0 (sv) 1991-12-04
NL194122B (nl) 2001-03-01
SE469030B (sv) 1993-05-03
GB2250279A (en) 1992-06-03
NL9120002A (nl) 1992-03-02
IL97778A (en) 1996-01-19
US5443808A (en) 1995-08-22
GB2250279B (en) 1993-11-17
JP2939830B2 (ja) 1999-08-25
FI92820B (fi) 1994-09-30
SE9103609L (sv) 1991-12-04
FI901770A (fi) 1991-10-07
WO1991015424A1 (en) 1991-10-17
GB9125435D0 (en) 1992-01-29

Similar Documents

Publication Publication Date Title
EP2091891A2 (en) Production of npk or np material containing polyphosphates
NL194122C (nl) Werkwijze voor het bereiden van alkalimetaalfosfaat.
US2914380A (en) Production of ca(h2po4)2
US2683075A (en) Digestion of phosphate rock
US3697246A (en) Potassium phosphate manufacture
US4777026A (en) Production of phosphates from alkali-processes phosphate rock
US4678649A (en) Process for the manufacture of monopotassium phosphate
CA1168834A (en) Purified monammonium phosphate process
US5114460A (en) Production of low-chloride alkali metal phosphates
NL8401517A (nl) Werkwijze voor het verwijderen van onzuiverheden uit fosforzuur.
PL201169B1 (pl) Sposób wytwarzania kwasu fosforowego poprzez krystalizację półwodzianu kwasu fosforowego
US3035898A (en) Method for preparing potassium phosphates
US3388966A (en) Ammonium phosphate preparation
US5728359A (en) Method for the preparation of sodium ammonium phosphate
US2165948A (en) Preparation of soluble phosphates
CA1115483A (en) Preparation of monocalcium phosphate and phosphoric acid
US2778712A (en) Digestion of phosphate rock
EP0530409A1 (en) Production of low-chloride alkali metal phosphates
US3585021A (en) Process for the production of ammonium phosphate containing fertilizers by the reaction of ammonium fluoride with aluminum phosphate (fe-14)
JPH0345037B2 (da)
US4251491A (en) Process for making sodium tripolyphosphate from wet process phosphoric acid
US4005175A (en) Process for the joint production of sodium tripolyphosphate and titanium dioxide
EP0488736A2 (en) A process for the direct manufacture of ortho-phosphates from impure calcium phosphates
RU1810319C (ru) Способ получени гидрофосфата кальци
RU2315709C1 (ru) Способ получения очищенной фосфорной кислоты

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20041101