NL7305765A - - Google Patents

Info

Publication number
NL7305765A
NL7305765A NL7305765A NL7305765A NL7305765A NL 7305765 A NL7305765 A NL 7305765A NL 7305765 A NL7305765 A NL 7305765A NL 7305765 A NL7305765 A NL 7305765A NL 7305765 A NL7305765 A NL 7305765A
Authority
NL
Netherlands
Application number
NL7305765A
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 filed Critical
Publication of NL7305765A publication Critical patent/NL7305765A/xx

Links

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
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/463Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being a ketone or a mixture of ketones
    • 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
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • 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
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • 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
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/2343Concentration concomitant with purification, e.g. elimination of fluorine
NL7305765A 1972-04-26 1973-04-25 NL7305765A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1947672A GB1436113A (en) 1972-04-26 1972-04-26 Purification of phosphoric acid
GB4538072 1972-10-02

Publications (1)

Publication Number Publication Date
NL7305765A true NL7305765A (fr) 1973-10-30

Family

ID=26254071

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7305765A NL7305765A (fr) 1972-04-26 1973-04-25

Country Status (20)

Country Link
JP (1) JPS4999993A (fr)
AU (1) AU8599475A (fr)
BE (1) BE798737A (fr)
CA (1) CA1004828A (fr)
CH (1) CH613916A5 (fr)
DD (1) DD109362A5 (fr)
DE (1) DE2320877B2 (fr)
ES (1) ES414069A1 (fr)
FI (1) FI59077C (fr)
FR (3) FR2182055B1 (fr)
GB (1) GB1436113A (fr)
IE (1) IE37549B1 (fr)
IN (1) IN140334B (fr)
MY (1) MY7800085A (fr)
NL (1) NL7305765A (fr)
NO (1) NO137082C (fr)
OA (1) OA04403A (fr)
RO (2) RO67820A (fr)
SE (1) SE395263B (fr)
TR (1) TR18445A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543632A1 (de) * 1974-10-07 1976-04-08 Pennzoil Co Verfahren zur herstellung von fluoridfreien phosphaten
CA1139956A (fr) * 1978-10-10 1983-01-25 Mark A. Rose Procede d'extraction de l'uranium a partir d'acide phosphorique brut
DE3246416A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE3246415A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
JP2512429Y2 (ja) * 1993-07-12 1996-10-02 北陸電気工業株式会社 高電圧抵抗パック
IT1285694B1 (it) * 1996-05-08 1998-06-18 Azionaria Costruzioni Acma Spa Metodo ed unita' per la formazione ed il convogliamento di gruppi di prodotti
DE19703884C2 (de) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298968A (fr) 1963-10-08
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery
DE2334019C3 (de) * 1973-07-04 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure

Also Published As

Publication number Publication date
GB1436113A (en) 1976-05-19
DE2320877B2 (de) 1980-03-20
RO69802A (fr) 1983-07-07
OA04403A (fr) 1980-02-29
IE37549B1 (en) 1977-08-17
FI59077C (fi) 1981-06-10
FR2289441A1 (fr) 1976-05-28
CA1004828A (en) 1977-02-08
TR18445A (tr) 1977-02-16
AU8599475A (en) 1975-12-18
CH613916A5 (en) 1979-10-31
IE37549L (en) 1973-10-26
RO67820A (fr) 1980-01-15
FR2182055A1 (fr) 1973-12-07
RO69802B (ro) 1983-06-30
ES414069A1 (es) 1976-05-16
AU5488473A (en) 1974-10-31
FR2289442A1 (fr) 1976-05-28
DD109362A5 (fr) 1974-11-05
NO137082C (no) 1977-12-28
BE798737A (fr) 1973-10-26
FI59077B (fi) 1981-02-27
MY7800085A (en) 1978-12-31
FR2289442B1 (fr) 1979-02-02
FR2182055B1 (fr) 1977-01-07
FR2289441B1 (fr) 1979-02-02
NO137082B (no) 1977-09-19
SE395263B (sv) 1977-08-08
IN140334B (fr) 1976-10-16
JPS4999993A (fr) 1974-09-20
DE2320877A1 (de) 1973-11-15

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BT A notification was added to the application dossier and made available to the public
BC A request for examination has been filed
BI The patent application has been withdrawn