CA1060631A - Method and apparatus for producing calcium phosphates - Google Patents

Method and apparatus for producing calcium phosphates

Info

Publication number
CA1060631A
CA1060631A CA222,335A CA222335A CA1060631A CA 1060631 A CA1060631 A CA 1060631A CA 222335 A CA222335 A CA 222335A CA 1060631 A CA1060631 A CA 1060631A
Authority
CA
Canada
Prior art keywords
reaction
phosphoric acid
preheated
calcium carbonate
accordance
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
CA222,335A
Other languages
English (en)
French (fr)
Inventor
Oyvind Skauli
Jan B. Isaksen
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
Application granted granted Critical
Publication of CA1060631A publication Critical patent/CA1060631A/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
CA222,335A 1974-03-19 1975-03-18 Method and apparatus for producing calcium phosphates Expired CA1060631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO740984A NO132685C (no) 1974-03-19 1974-03-19

Publications (1)

Publication Number Publication Date
CA1060631A true CA1060631A (en) 1979-08-21

Family

ID=19881520

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,335A Expired CA1060631A (en) 1974-03-19 1975-03-18 Method and apparatus for producing calcium phosphates

Country Status (22)

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

Families Citing this family (10)

* 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 (no) * 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
WO1999002455A1 (en) * 1997-07-08 1999-01-21 S A Feed Phosphates (Proprietary) Limited A method for the production of a mono-calcium phosphate product
NL1007622C2 (nl) * 1997-11-26 1999-05-27 Axel Bruckert Verbeterd monocalciumfosfaat-monohydraat voor toepassing als voedermiddelcomponent alsmede een werkwijze voor de productie daarvan.
DE102012215421B4 (de) 2012-08-30 2019-08-29 Centrum Für Angewandte Nanotechnologie (Can) Gmbh Verfahren zur Herstellung von Kern/Schale-Nanopartikeln

Also Published As

Publication number Publication date
SE7502984L (no) 1975-09-22
SE406191C (sv) 1986-01-16
EG11653A (en) 1977-12-31
IL46825A0 (en) 1975-05-22
IT1032330B (it) 1979-05-30
DE2512099A1 (de) 1975-09-25
DE2512099B2 (de) 1978-07-13
FI58110B (fi) 1980-08-29
DK109575A (no) 1975-09-20
FI58110C (fi) 1980-12-10
FI750784A (no) 1975-09-20
ES435726A1 (es) 1977-01-16
NL7503212A (nl) 1975-09-23
TR18505A (tr) 1977-03-04
JPS50157299A (no) 1975-12-19
IE40823B1 (en) 1979-08-29
FR2264775B1 (no) 1977-07-22
AU7910575A (en) 1976-09-16
FR2264775A1 (no) 1975-10-17
SE406191B (sv) 1979-01-29
NO132685C (no) 1977-05-24
BE826881A (fr) 1975-07-16
GB1497716A (en) 1978-01-12
BR7501598A (pt) 1975-12-16
DE2512099C3 (no) 1979-03-15
YU61675A (en) 1982-05-31
HU170874B (hu) 1977-09-28
IN140563B (no) 1976-11-27
IL46825A (en) 1977-03-31
IE40823L (en) 1975-09-19
DD116205A5 (no) 1975-11-12
NO132685B (no) 1975-09-08

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