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)
  • Food Science & Technology (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Husbandry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fodder In General (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Materials For Medical Uses (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 (de) 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 (de)
BE (1) BE826881A (de)
BR (1) BR7501598A (de)
CA (1) CA1060631A (de)
DD (1) DD116205A5 (de)
DE (1) DE2512099B2 (de)
DK (1) DK109575A (de)
EG (1) EG11653A (de)
ES (1) ES435726A1 (de)
FI (1) FI58110C (de)
FR (1) FR2264775B1 (de)
GB (1) GB1497716A (de)
HU (1) HU170874B (de)
IE (1) IE40823B1 (de)
IL (1) IL46825A (de)
IN (1) IN140563B (de)
IT (1) IT1032330B (de)
NL (1) NL7503212A (de)
NO (1) NO132685C (de)
SE (1) SE406191C (de)
TR (1) TR18505A (de)
YU (1) YU61675A (de)

Cited By (2)

* 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

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
DE3515695A1 (de) * 1985-05-02 1986-11-06 Benckiser-Knapsack Gmbh, 6802 Ladenburg Verfahren zur herstellung von grobkoernigem dicalciumphosphat-dihydrat
JPS6258958A (ja) * 1985-09-10 1987-03-14 Sanraku Inc 粒状ミネラル混合飼料
DE4006734C1 (de) * 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 (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
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

Also Published As

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

Similar Documents

Publication Publication Date Title
GB1497716A (en) Method and apparatus for producing calcium phosphates
JPH07100653B2 (ja) 発泡性顆粒及び錠剤の製法及び装置
US3917663A (en) Method of making alkali metal percarbonates
US4166840A (en) Process for producing ammonium phosphate from ammonia and wet process phosphoric acid
US4166839A (en) Method for producing calcium phosphates
US4420468A (en) Method of treating converted potassium sulfate for reducing a small amount of chlorine contained therein
NO159308B (no) Anordning for tetning av en aapning rundt et lederoer.
CA1195826A (en) Process for the preparation of bivalent metal peroxides
GB1053772A (de)
US4153441A (en) Process for making magnesium potassium ammonium phosphate
US2845401A (en) Ureaform fertilizer
US3844726A (en) Process for manufacturing granules containing sodium chlorite in a fluidized bed drier
US3437433A (en) High density sodium tripolyphosphate (form 1)
Wheelock et al. Cyclic operation of a fluidized bed reactor for decomposing calcium sulfate
CA1201275A (en) Process and apparatus for the continuous production of alkali metal superoxides
EP0122112A2 (de) Verfahren und Vorrichtung zum Besprühen eines Pulvers mit einer Flüssigkeit
US2350575A (en) Manufacture of aluminum sulphate products
US4261942A (en) Production of tablets of sodium dichloroisocyanurate
Kawaguchi et al. Continuous preparation of activated carbon supported zinc acetate catalyst and industrial synthesis of vinyl acetate from acetylene
SU778753A1 (ru) Способ получени сферических гранул твердого поглотител углекислого газа
GB1149859A (en) Alkali metal silicates
DE3415140A1 (de) Verfahren zur herstellung von ammoniumbicarbonat
SU962325A1 (ru) Устройство дл увлажнени и окомковани сыпучих материалов
EP0237352A2 (de) Düse
JPS5759906A (en) Fluidized bed reactor

Legal Events

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