RU2139240C1 - Способ очистки фосфорной кислоты - Google Patents

Способ очистки фосфорной кислоты Download PDF

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Publication number
RU2139240C1
RU2139240C1 RU96124067A RU96124067A RU2139240C1 RU 2139240 C1 RU2139240 C1 RU 2139240C1 RU 96124067 A RU96124067 A RU 96124067A RU 96124067 A RU96124067 A RU 96124067A RU 2139240 C1 RU2139240 C1 RU 2139240C1
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RU
Russia
Prior art keywords
phosphoric acid
acid
impurities
purified
concentrated
Prior art date
Application number
RU96124067A
Other languages
English (en)
Russian (ru)
Other versions
RU96124067A (ru
Inventor
Андерс Векман
Original Assignee
Кемира Кемикалс ОЙ
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 Кемира Кемикалс ОЙ filed Critical Кемира Кемикалс ОЙ
Publication of RU96124067A publication Critical patent/RU96124067A/ru
Application granted granted Critical
Publication of RU2139240C1 publication Critical patent/RU2139240C1/ru

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    • 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

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  • 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)
RU96124067A 1994-06-20 1995-06-19 Способ очистки фосфорной кислоты RU2139240C1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI942947 1994-06-20
FI942947A FI95905C (fi) 1994-06-20 1994-06-20 Fosforihapon puhdistusmenetelmä
PCT/FI1995/000354 WO1995035257A1 (fr) 1994-06-20 1995-06-19 Procede de purification de l'acide phosphorique

Publications (2)

Publication Number Publication Date
RU96124067A RU96124067A (ru) 1999-02-20
RU2139240C1 true RU2139240C1 (ru) 1999-10-10

Family

ID=8540956

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96124067A RU2139240C1 (ru) 1994-06-20 1995-06-19 Способ очистки фосфорной кислоты

Country Status (12)

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

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
FI95905C (fi) 1996-04-10
FI942947A0 (fi) 1994-06-20
NO965470D0 (no) 1996-12-19
FI95905B (fi) 1995-12-29
CZ365596A3 (en) 1997-05-14
EP0768985A1 (fr) 1997-04-23
AU2740195A (en) 1996-01-15
RO114886B1 (ro) 1999-08-30
HUT76719A (en) 1997-10-28
WO1995035257A1 (fr) 1995-12-28
NO965470L (no) 1996-12-19
HU9603513D0 (en) 1997-02-28
BG101023A (en) 1997-08-29
PL318219A1 (en) 1997-05-26
SK161696A3 (en) 1997-07-09

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