NL8000220A - Gedefluoreerd calciumfosfaat en werkwijze voor de bereiding daarvan. - Google Patents

Gedefluoreerd calciumfosfaat en werkwijze voor de bereiding daarvan. Download PDF

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Publication number
NL8000220A
NL8000220A NL8000220A NL8000220A NL8000220A NL 8000220 A NL8000220 A NL 8000220A NL 8000220 A NL8000220 A NL 8000220A NL 8000220 A NL8000220 A NL 8000220A NL 8000220 A NL8000220 A NL 8000220A
Authority
NL
Netherlands
Prior art keywords
calcination
phosphate
sodium
carried out
attack
Prior art date
Application number
NL8000220A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ugine Kuhlmann
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 Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of NL8000220A publication Critical patent/NL8000220A/nl

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/32Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/328Defluorination during or after the preparation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/45Phosphates containing plural metal, or metal and ammonium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fodder In General (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Compositions Of Oxide Ceramics (AREA)
NL8000220A 1979-01-15 1980-01-14 Gedefluoreerd calciumfosfaat en werkwijze voor de bereiding daarvan. NL8000220A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7900844 1979-01-15
FR7900844A FR2446254A1 (fr) 1979-01-15 1979-01-15 Phosphate de calcium naturel defluore pour alimentation animale

Publications (1)

Publication Number Publication Date
NL8000220A true NL8000220A (nl) 1980-07-17

Family

ID=9220732

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8000220A NL8000220A (nl) 1979-01-15 1980-01-14 Gedefluoreerd calciumfosfaat en werkwijze voor de bereiding daarvan.

Country Status (17)

Country Link
JP (1) JPS5595607A (is)
AR (1) AR222849A1 (is)
AU (1) AU534091B2 (is)
BE (1) BE881079A (is)
BR (1) BR8000215A (is)
DE (1) DE3000987A1 (is)
ES (1) ES487681A0 (is)
FR (1) FR2446254A1 (is)
GB (1) GB2039867B (is)
IT (1) IT7969496A0 (is)
LU (1) LU82081A1 (is)
MA (1) MA18698A1 (is)
NL (1) NL8000220A (is)
OA (1) OA06434A (is)
RO (1) RO79927B (is)
SE (1) SE7910502L (is)
ZA (1) ZA80195B (is)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405575A (en) * 1982-04-23 1983-09-20 Henderson Albert E Method of defluorinating phosphates
US6123981A (en) * 1992-10-27 2000-09-26 Rhodia Inc. Conservation of orthophosphate waste for preparing an animal feed supplement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997367A (en) * 1956-10-22 1961-08-22 Int Minerals & Chem Corp Defluorination of phosphatic material
US2893834A (en) * 1957-02-18 1959-07-07 Int Minerals & Chem Corp Process for producing defluorinated calctum phosphates
US3058804A (en) * 1957-05-24 1962-10-16 Int Minerals & Chem Corp Process for production of defluorinated calcium phosphate
US3101999A (en) * 1961-01-13 1963-08-27 American Cyanamid Co Low temperature defluorination of phosphate material
US3292995A (en) * 1963-12-16 1966-12-20 Int Minerals & Chem Corp Defluorinated phosphate manufacture
FI52839C (fi) * 1968-12-23 1977-12-12 Kali Chemie Ag Tapa valmistaa fluoria niukasti sisältävää hehkufosfaattia.

Also Published As

Publication number Publication date
ZA80195B (en) 1980-12-31
BE881079A (fr) 1980-07-10
ES8101515A1 (es) 1980-12-16
AR222849A1 (es) 1981-06-30
ES487681A0 (es) 1980-12-16
MA18698A1 (fr) 1980-10-01
OA06434A (fr) 1981-07-31
IT7969496A0 (it) 1979-12-28
FR2446254A1 (fr) 1980-08-08
RO79927B (ro) 1983-04-30
JPS5595607A (en) 1980-07-21
RO79927A (ro) 1983-04-29
AU5458480A (en) 1980-07-24
GB2039867B (en) 1983-01-06
LU82081A1 (fr) 1981-09-10
BR8000215A (pt) 1980-09-30
AU534091B2 (en) 1984-01-05
SE7910502L (sv) 1980-07-16
GB2039867A (en) 1980-08-20
DE3000987A1 (de) 1980-07-24
FR2446254B1 (is) 1981-05-29

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed
BV The patent application has lapsed