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GB1497716A - Method and apparatus for producing calcium phosphates - Google Patents

Method and apparatus for producing calcium phosphates

Info

Publication number
GB1497716A
GB1497716A GB10093/75A GB1009375A GB1497716A GB 1497716 A GB1497716 A GB 1497716A GB 10093/75 A GB10093/75 A GB 10093/75A GB 1009375 A GB1009375 A GB 1009375A GB 1497716 A GB1497716 A GB 1497716A
Authority
GB
United Kingdom
Prior art keywords
chamber
reactor
reaction
mixture
gas
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
GB10093/75A
Other languages
English (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.)
Norsk Hydro ASA
Original Assignee
Norsk Hydro ASA
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 Norsk Hydro ASA filed Critical Norsk Hydro ASA
Publication of GB1497716A publication Critical patent/GB1497716A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2405—Stationary reactors without moving elements inside provoking a turbulent flow of the reactants, such as in cyclones, or having a high Reynolds-number
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/26—Compounds containing phosphorus
    • 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
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/322—Preparation by neutralisation of orthophosphoric acid
    • 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
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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
    • B01J2219/00162—Controlling or regulating processes controlling the pressure
    • 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
    • B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Animal Husbandry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fodder In General (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Materials For Medical Uses (AREA)
  • Fertilizers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
GB10093/75A 1974-03-19 1975-03-11 Method and apparatus for producing calcium phosphates Expired GB1497716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO740984A NO132685C (xx) 1974-03-19 1974-03-19

Publications (1)

Publication Number Publication Date
GB1497716A true GB1497716A (en) 1978-01-12

Family

ID=19881520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10093/75A Expired GB1497716A (en) 1974-03-19 1975-03-11 Method and apparatus for producing calcium phosphates

Country Status (22)

Country Link
JP (1) JPS50157299A (xx)
BE (1) BE826881A (xx)
BR (1) BR7501598A (xx)
CA (1) CA1060631A (xx)
DD (1) DD116205A5 (xx)
DE (1) DE2512099B2 (xx)
DK (1) DK109575A (xx)
EG (1) EG11653A (xx)
ES (1) ES435726A1 (xx)
FI (1) FI58110C (xx)
FR (1) FR2264775B1 (xx)
GB (1) GB1497716A (xx)
HU (1) HU170874B (xx)
IE (1) IE40823B1 (xx)
IL (1) IL46825A (xx)
IN (1) IN140563B (xx)
IT (1) IT1032330B (xx)
NL (1) NL7503212A (xx)
NO (1) NO132685C (xx)
SE (1) SE406191C (xx)
TR (1) TR18505A (xx)
YU (1) YU61675A (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327081A (en) * 1997-07-08 1999-01-13 Feed S A Phosphates Pty Ltd A two stage method for the production of mono calcium phosphate
US10147846B2 (en) 2012-08-30 2018-12-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for producing core/shell nanoparticles and core/shell nanoparticles
CN111003698A (zh) * 2019-11-21 2020-04-14 江阴市星宇化工有限公司 一种高活性纳米级磷酸三钙生产反应釜及其使用方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK137180B (da) * 1975-10-10 1978-01-30 Dansk Ind Syndikat Fremgangsmåde til fremstilling af en pulver- eller granulatformet, ikke-støvende mineralstofblanding indeholdende calciumphosphater.
JPS6182841A (ja) * 1984-09-29 1986-04-26 Agency Of Ind Science & Technol リン除去剤
DE3510694A1 (de) * 1985-03-23 1986-09-25 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von calciumhydrogenphosphat
DE3515695C2 (de) * 1985-05-02 1987-03-05 Benckiser-Knapsack Gmbh, 6802 Ladenburg Verfahren zur Herstellung von grobkörnigem Dicalciumphosphat-Dihydrat
JPS6258958A (ja) * 1985-09-10 1987-03-14 Sanraku Inc 粒状ミネラル混合飼料
DE4006734C1 (xx) * 1990-03-03 1991-07-25 Benckiser-Knapsack Gmbh, 6802 Ladenburg, De
DE19623082C1 (de) * 1996-06-10 1998-04-16 Axel Bruckert Verbessertes Monocalciumphosphatmonohydrat zur Verwendung als Futtermittelkomponente sowie ein Verfahren zu dessen Herstellung
NL1007622C2 (nl) * 1997-11-26 1999-05-27 Axel Bruckert Verbeterd monocalciumfosfaat-monohydraat voor toepassing als voedermiddelcomponent alsmede een werkwijze voor de productie daarvan.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327081A (en) * 1997-07-08 1999-01-13 Feed S A Phosphates Pty Ltd A two stage method for the production of mono calcium phosphate
GB2327081B (en) * 1997-07-08 2001-03-07 Feed Phosphates Sa A method for the production of a mono-calcium phosphate product
US10147846B2 (en) 2012-08-30 2018-12-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for producing core/shell nanoparticles and core/shell nanoparticles
CN111003698A (zh) * 2019-11-21 2020-04-14 江阴市星宇化工有限公司 一种高活性纳米级磷酸三钙生产反应釜及其使用方法

Also Published As

Publication number Publication date
IT1032330B (it) 1979-05-30
HU170874B (hu) 1977-09-28
DE2512099B2 (de) 1978-07-13
FR2264775A1 (xx) 1975-10-17
NO132685C (xx) 1977-05-24
EG11653A (en) 1977-12-31
ES435726A1 (es) 1977-01-16
AU7910575A (en) 1976-09-16
SE406191C (sv) 1986-06-09
BE826881A (fr) 1975-07-16
NL7503212A (nl) 1975-09-23
IE40823L (en) 1975-09-19
IL46825A0 (en) 1975-05-22
JPS50157299A (xx) 1975-12-19
IE40823B1 (en) 1979-08-29
NO132685B (xx) 1975-09-08
IN140563B (xx) 1976-11-27
TR18505A (tr) 1977-03-04
DE2512099C3 (xx) 1979-03-15
BR7501598A (pt) 1975-12-16
CA1060631A (en) 1979-08-21
DK109575A (xx) 1975-09-20
SE406191B (sv) 1979-01-29
FI58110B (fi) 1980-08-29
DD116205A5 (xx) 1975-11-12
FI58110C (fi) 1980-12-10
DE2512099A1 (de) 1975-09-25
FI750784A (xx) 1975-09-20
FR2264775B1 (xx) 1977-07-22
SE7502984L (xx) 1975-09-22
YU61675A (en) 1982-05-31
IL46825A (en) 1977-03-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee