FI942947A0 - Process for the purification of phosphoric acid - Google Patents

Process for the purification of phosphoric acid

Info

Publication number
FI942947A0
FI942947A0 FI942947A FI942947A FI942947A0 FI 942947 A0 FI942947 A0 FI 942947A0 FI 942947 A FI942947 A FI 942947A FI 942947 A FI942947 A FI 942947A FI 942947 A0 FI942947 A0 FI 942947A0
Authority
FI
Finland
Prior art keywords
purification
phosphoric acid
phosphoric
acid
Prior art date
Application number
FI942947A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI95905B (en
FI95905C (en
Inventor
Anders Weckman
Original Assignee
Kemira Chemicals Oy
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 Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Publication of FI942947A0 publication Critical patent/FI942947A0/en
Priority to FI942947A priority Critical patent/FI95905C/en
Priority to PL95318219A priority patent/PL318219A1/en
Priority to CZ963655A priority patent/CZ365596A3/en
Priority to RO96-02409A priority patent/RO114886B1/en
Priority to PCT/FI1995/000354 priority patent/WO1995035257A1/en
Priority to EP95922550A priority patent/EP0768985A1/en
Priority to AU27401/95A priority patent/AU2740195A/en
Priority to SK1616-96A priority patent/SK161696A3/en
Priority to RU96124067A priority patent/RU2139240C1/en
Priority to HU9603513A priority patent/HUT76719A/en
Publication of FI95905B publication Critical patent/FI95905B/en
Application granted granted Critical
Publication of FI95905C publication Critical patent/FI95905C/en
Priority to BG101023A priority patent/BG101023A/en
Priority to NO965470A priority patent/NO965470D0/en

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
    • C01B25/18—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)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
FI942947A 1994-06-20 1994-06-20 Process for the purification of phosphoric acid FI95905C (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FI942947A FI95905C (en) 1994-06-20 1994-06-20 Process for the purification of phosphoric acid
AU27401/95A AU2740195A (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid
RU96124067A RU2139240C1 (en) 1994-06-20 1995-06-19 Method of purifying phosphoric acid
RO96-02409A RO114886B1 (en) 1994-06-20 1995-06-19 Process for purifyng phosphoric acid
PCT/FI1995/000354 WO1995035257A1 (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid
EP95922550A EP0768985A1 (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid
PL95318219A PL318219A1 (en) 1994-06-20 1995-06-19 Phosphoric acid purifying method
SK1616-96A SK161696A3 (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid
CZ963655A CZ365596A3 (en) 1994-06-20 1995-06-19 Phosphoric acid purification process
HU9603513A HUT76719A (en) 1994-06-20 1995-06-20 Catalysts for ethylene polymers production, method for preparation of said catalyst
BG101023A BG101023A (en) 1994-06-20 1996-12-03 Process for the purification of phosphohoric acid
NO965470A NO965470D0 (en) 1994-06-20 1996-12-19 Process for the purification of phosphoric acid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942947A FI95905C (en) 1994-06-20 1994-06-20 Process for the purification of phosphoric acid
FI942947 1994-06-20

Publications (3)

Publication Number Publication Date
FI942947A0 true FI942947A0 (en) 1994-06-20
FI95905B FI95905B (en) 1995-12-29
FI95905C FI95905C (en) 1996-04-10

Family

ID=8540956

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942947A FI95905C (en) 1994-06-20 1994-06-20 Process for the purification of phosphoric acid

Country Status (12)

Country Link
EP (1) EP0768985A1 (en)
AU (1) AU2740195A (en)
BG (1) BG101023A (en)
CZ (1) CZ365596A3 (en)
FI (1) FI95905C (en)
HU (1) HUT76719A (en)
NO (1) NO965470D0 (en)
PL (1) PL318219A1 (en)
RO (1) RO114886B1 (en)
RU (1) RU2139240C1 (en)
SK (1) SK161696A3 (en)
WO (1) WO1995035257A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100454101B1 (en) * 2002-03-15 2004-10-26 한국화학연구원 Purification method and equipment for phosphoric acid
KR100542969B1 (en) * 2005-03-18 2006-01-20 (주) 광진화학 Method of refining high-purity phosphoric acid continuously using deserted liquid from process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL26524A (en) * 1965-10-04 1970-07-19 Struthers Scient And Int Corp Phosphoric acid process

Also Published As

Publication number Publication date
PL318219A1 (en) 1997-05-26
RO114886B1 (en) 1999-08-30
RU2139240C1 (en) 1999-10-10
FI95905B (en) 1995-12-29
NO965470L (en) 1996-12-19
NO965470D0 (en) 1996-12-19
BG101023A (en) 1997-08-29
CZ365596A3 (en) 1997-05-14
EP0768985A1 (en) 1997-04-23
WO1995035257A1 (en) 1995-12-28
SK161696A3 (en) 1997-07-09
FI95905C (en) 1996-04-10
HU9603513D0 (en) 1997-02-28
AU2740195A (en) 1996-01-15
HUT76719A (en) 1997-10-28

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Legal Events

Date Code Title Description
BB Publication of examined application