SK161696A3 - Process for the purification of phosphoric acid - Google Patents

Process for the purification of phosphoric acid Download PDF

Info

Publication number
SK161696A3
SK161696A3 SK1616-96A SK161696A SK161696A3 SK 161696 A3 SK161696 A3 SK 161696A3 SK 161696 A SK161696 A SK 161696A SK 161696 A3 SK161696 A3 SK 161696A3
Authority
SK
Slovakia
Prior art keywords
phosphoric acid
acid
concentrated
impurities
concentration
Prior art date
Application number
SK1616-96A
Other languages
English (en)
Slovak (sk)
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 SK161696A3 publication Critical patent/SK161696A3/sk

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)
SK1616-96A 1994-06-20 1995-06-19 Process for the purification of phosphoric acid SK161696A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942947A FI95905C (sv) 1994-06-20 1994-06-20 Förfarande för rening av fosforsyra
PCT/FI1995/000354 WO1995035257A1 (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid

Publications (1)

Publication Number Publication Date
SK161696A3 true SK161696A3 (en) 1997-07-09

Family

ID=8540956

Family Applications (1)

Application Number Title Priority Date Filing Date
SK1616-96A SK161696A3 (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid

Country Status (12)

Country Link
EP (1) EP0768985A1 (sv)
AU (1) AU2740195A (sv)
BG (1) BG101023A (sv)
CZ (1) CZ365596A3 (sv)
FI (1) FI95905C (sv)
HU (1) HUT76719A (sv)
NO (1) NO965470L (sv)
PL (1) PL318219A1 (sv)
RO (1) RO114886B1 (sv)
RU (1) RU2139240C1 (sv)
SK (1) SK161696A3 (sv)
WO (1) WO1995035257A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100454101B1 (ko) * 2002-03-15 2004-10-26 한국화학연구원 인산의 정제방법과 그 장치
KR100542969B1 (ko) * 2005-03-18 2006-01-20 (주) 광진화학 공정폐액으로부터 고순도의 인산을 연속적으로 정제하는방법

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
NO965470D0 (no) 1996-12-19
FI942947A0 (sv) 1994-06-20
WO1995035257A1 (en) 1995-12-28
BG101023A (en) 1997-08-29
PL318219A1 (en) 1997-05-26
HUT76719A (en) 1997-10-28
FI95905B (sv) 1995-12-29
HU9603513D0 (en) 1997-02-28
AU2740195A (en) 1996-01-15
CZ365596A3 (en) 1997-05-14
EP0768985A1 (en) 1997-04-23
RO114886B1 (ro) 1999-08-30
FI95905C (sv) 1996-04-10
RU2139240C1 (ru) 1999-10-10
NO965470L (no) 1996-12-19

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