NO137082C - Fremgangsm}te til rensing av r} fosforsyre fremstilt ved v}tprosessen - Google Patents

Fremgangsm}te til rensing av r} fosforsyre fremstilt ved v}tprosessen

Info

Publication number
NO137082C
NO137082C NO1639/73A NO163973A NO137082C NO 137082 C NO137082 C NO 137082C NO 1639/73 A NO1639/73 A NO 1639/73A NO 163973 A NO163973 A NO 163973A NO 137082 C NO137082 C NO 137082C
Authority
NO
Norway
Prior art keywords
procedures
cleaning
phosphoric acid
acid prepared
prepared
Prior art date
Application number
NO1639/73A
Other languages
English (en)
Other versions
NO137082B (no
Inventor
Thomas Alan Williams
Frank Michael Cussons
Original Assignee
Albright & Wilson
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 Albright & Wilson filed Critical Albright & Wilson
Priority to NO760652A priority Critical patent/NO760652L/no
Priority to NO771071A priority patent/NO141206C/no
Publication of NO137082B publication Critical patent/NO137082B/no
Publication of NO137082C publication Critical patent/NO137082C/no

Links

Classifications

    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation 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
    • C01B25/463—Preparation 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
    • 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
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • 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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • 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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
NO1639/73A 1972-04-26 1973-04-17 Fremgangsm}te til rensing av r} fosforsyre fremstilt ved v}tprosessen NO137082C (no)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO760652A NO760652L (no) 1972-04-26 1976-02-26
NO771071A NO141206C (no) 1972-04-26 1977-03-25 Fremgangsmaate for rensing av raa fosforsyre fremstilt ved vaatprosessen

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 (2)

Publication Number Publication Date
NO137082B NO137082B (no) 1977-09-19
NO137082C true NO137082C (no) 1977-12-28

Family

ID=26254071

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1639/73A NO137082C (no) 1972-04-26 1973-04-17 Fremgangsm}te til rensing av r} fosforsyre fremstilt ved v}tprosessen

Country Status (20)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL48207A (en) * 1974-10-07 1978-12-17 Pennzoil Co Production of fluoride-free phosphates
CA1139956A (en) * 1978-10-10 1983-01-25 Mark A. Rose Process for extracting uranium from crude phosphoric acids
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 (no) 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
FR2289442A1 (fr) 1976-05-28
TR18445A (tr) 1977-02-16
IN140334B (no) 1976-10-16
ES414069A1 (es) 1976-05-16
CA1004828A (en) 1977-02-08
BE798737A (fr) 1973-10-26
FI59077C (fi) 1981-06-10
MY7800085A (en) 1978-12-31
GB1436113A (en) 1976-05-19
SE395263B (sv) 1977-08-08
NL7305765A (no) 1973-10-30
AU5488473A (en) 1974-10-31
CH613916A5 (en) 1979-10-31
DE2320877B2 (de) 1980-03-20
DE2320877A1 (de) 1973-11-15
FR2182055B1 (no) 1977-01-07
FR2182055A1 (no) 1973-12-07
FR2289442B1 (no) 1979-02-02
FI59077B (fi) 1981-02-27
AU8599475A (en) 1975-12-18
FR2289441B1 (no) 1979-02-02
DD109362A5 (no) 1974-11-05
RO69802B (ro) 1983-06-30
JPS4999993A (no) 1974-09-20
NO137082B (no) 1977-09-19
RO69802A (ro) 1983-07-07
IE37549L (en) 1973-10-26
OA04403A (fr) 1980-02-29
FR2289441A1 (fr) 1976-05-28
RO67820A (ro) 1980-01-15
IE37549B1 (en) 1977-08-17

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