PL318219A1 - Phosphoric acid purifying method - Google Patents

Phosphoric acid purifying method

Info

Publication number
PL318219A1
PL318219A1 PL95318219A PL31821995A PL318219A1 PL 318219 A1 PL318219 A1 PL 318219A1 PL 95318219 A PL95318219 A PL 95318219A PL 31821995 A PL31821995 A PL 31821995A PL 318219 A1 PL318219 A1 PL 318219A1
Authority
PL
Poland
Prior art keywords
phosphoric acid
purifying method
acid purifying
phosphoric
purifying
Prior art date
Application number
PL95318219A
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 PL318219A1 publication Critical patent/PL318219A1/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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PL95318219A 1994-06-20 1995-06-19 Phosphoric acid purifying method PL318219A1 (en)

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
PCT/FI1995/000354 WO1995035257A1 (en) 1994-06-20 1995-06-19 Process for the purification of phosphoric acid

Publications (1)

Publication Number Publication Date
PL318219A1 true PL318219A1 (en) 1997-05-26

Family

ID=8540956

Family Applications (1)

Application Number Title Priority Date Filing Date
PL95318219A PL318219A1 (en) 1994-06-20 1995-06-19 Phosphoric acid purifying method

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) NO965470L (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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2209178C1 (en) * 2002-02-22 2003-07-27 Открытое акционерное общество "РЕАТЭКС" Method of purification of dry-process phosphoric acid
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 Continuous Purification of High Purity Phosphoric Acid from Process Wastes
RU2406692C1 (en) * 2009-03-31 2010-12-20 Тагир Вильданович Шарипов Method of purifying wet-process phosphoric acid
RU2408530C1 (en) * 2009-04-30 2011-01-10 Открытое акционерное общество "Воскресенские минеральные удобрения" Method of purifying wet-process phosphoric acid

Family Cites Families (4)

* 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
US4248843A (en) * 1977-09-29 1981-02-03 Triomf Fertilizer (Proprietary) Ltd. Treatment of phosphoric acid
DE3003250C2 (en) * 1980-01-30 1982-09-16 Klöckner-Humboldt-Deutz AG, 5000 Köln Process for separating solids from phosphoric acid
SU1467034A1 (en) * 1986-05-19 1989-03-23 Воскресенский филиал Научно-исследовательского института по удобрениям и инсектофунгицидам им.проф.Я.В.Самойлова Phosphoric acid concentration and purification process

Also Published As

Publication number Publication date
WO1995035257A1 (en) 1995-12-28
CZ365596A3 (en) 1997-05-14
EP0768985A1 (en) 1997-04-23
NO965470D0 (en) 1996-12-19
HUT76719A (en) 1997-10-28
NO965470L (en) 1996-12-19
FI95905B (en) 1995-12-29
FI95905C (en) 1996-04-10
AU2740195A (en) 1996-01-15
RU2139240C1 (en) 1999-10-10
BG101023A (en) 1997-08-29
SK161696A3 (en) 1997-07-09
RO114886B1 (en) 1999-08-30
FI942947A0 (en) 1994-06-20
HU9603513D0 (en) 1997-02-28

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