IT1059808B - Procedimento per la purificazione dell acido fosforico - Google Patents

Procedimento per la purificazione dell acido fosforico

Info

Publication number
IT1059808B
IT1059808B IT68502/73A IT6850273A IT1059808B IT 1059808 B IT1059808 B IT 1059808B IT 68502/73 A IT68502/73 A IT 68502/73A IT 6850273 A IT6850273 A IT 6850273A IT 1059808 B IT1059808 B IT 1059808B
Authority
IT
Italy
Prior art keywords
purification
procedure
phosphoric acid
phosphoric
acid
Prior art date
Application number
IT68502/73A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1059808B publication Critical patent/IT1059808B/it

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
IT68502/73A 1972-10-02 1973-05-23 Procedimento per la purificazione dell acido fosforico IT1059808B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4538072 1972-10-02

Publications (1)

Publication Number Publication Date
IT1059808B true IT1059808B (it) 1982-06-21

Family

ID=10437013

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68502/73A IT1059808B (it) 1972-10-02 1973-05-23 Procedimento per la purificazione dell acido fosforico

Country Status (8)

Country Link
US (1) US3912803A (it)
JP (1) JPS5924725B2 (it)
CH (1) CH620174A5 (it)
DE (1) DE2365881C3 (it)
IL (2) IL49211A (it)
IT (1) IT1059808B (it)
NL (1) NL8002275A (it)
SE (1) SE418844B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215098A (en) * 1978-04-26 1980-07-29 Albright & Wilson Limited Purification of wet process phosphoric acid
JPS5983962A (ja) * 1982-10-29 1984-05-15 Kamaya Kagaku Kogyo Kk ガラス製品の加飾方法
US4655789A (en) * 1985-05-08 1987-04-07 Freeport Research And Engineering Company Phosphoric acid crystallization process
US4657559A (en) * 1985-05-08 1987-04-14 Freeport Research And Engineering Company Process for seed crystal preparation for phosphoric acid crystallization
US4655790A (en) * 1985-05-08 1987-04-07 Freeport Research And Development Company Phosphoric acid crystallization process
DE3856104T2 (de) 1987-03-09 1998-06-10 Dainippon Printing Co Ltd Zwischenfolie zur Anwendung in einer Verbundglasscheibe
US5006319A (en) * 1988-03-04 1991-04-09 Fmc Corporation Process for removing iron, chromium and vanadium from phosphoric acid
FI105909B (fi) 1999-03-24 2000-10-31 Kemira Chemicals Oy Menetelmä fosforihapon laadun parantamiseksi

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1451786A (en) * 1922-04-19 1923-04-17 William H Ross Process for the purification of commerical phosphoric acid by crystallization
US1929442A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining orthophosphoric acid and/or conversion products thereof
US1968544A (en) * 1933-11-23 1934-07-31 Grasselli Chemical Co Phosphoric acid purification by solvent extraction
GB974610A (en) * 1962-05-24 1964-11-04 Canadian Ind Purification of phosphoric acid
US3338674A (en) * 1963-05-09 1967-08-29 Avraham M Baniel Process for preparation of substantially pure phosphoric acid
US3707357A (en) * 1971-03-23 1972-12-26 United States Steel Corp Wet-process phosphoric acid extraction including separating solvent from extract by freezing solvent

Also Published As

Publication number Publication date
JPS5742518A (en) 1982-03-10
SE7603338L (sv) 1976-03-17
JPS5924725B2 (ja) 1984-06-12
IL49211A0 (en) 1976-05-31
NL8002275A (nl) 1980-07-31
US3912803A (en) 1975-10-14
DE2365881C3 (de) 1979-10-04
CH620174A5 (it) 1980-11-14
DE2365881A1 (de) 1976-12-09
SE418844B (sv) 1981-06-29
IL49211A (en) 1977-07-31
DE2365881B2 (de) 1979-02-08

Similar Documents

Publication Publication Date Title
IT1066381B (it) Procedimento per la fabbricazione di acido fosforico concentrato
IT990346B (it) Procedimento per la produzione di acido acrilico
SE7600174L (sv) Forfarande for framstellning av fosforsyra
IT994996B (it) Procedimento per la preparazione d acido fosforico
IT1004281B (it) Procedimento per la depurazione di acido fosforico umido
IT1059808B (it) Procedimento per la purificazione dell acido fosforico
IT1016606B (it) Procedimento per la purificazione dell acido fosforico
IT1004878B (it) Procedimento per la purificazione dell acido fosforico
IT1035434B (it) Procedimento per la depurazione di acido decandicarbossilicoi io
IT1001811B (it) Procedimento per la preparazione di amidi dell acido n cloroformil carbonico
IT996016B (it) Procedimento per depurare acido fosforico
IT988237B (it) Purificazione dell acido fosfo rico
IT999754B (it) Procedimento per la preparazione di acido transcrisantemico
MY7800085A (en) Purification of phosphoric acid
IT1036884B (it) Procedimento di purificazione di acido forforico
IT982777B (it) Procedimento per la purificazione di acido fosforico commerciale mediante estrazione
IT1002168B (it) Preparazione d acido gliossilico
EG12694A (en) Purification of phosphoric acid
IT1003413B (it) Procedimento di purificazione del l acido fosforico
IT979907B (it) Procedimento per la produzione di diesteri di acido succinilsuccinico
IT1047949B (it) Esteri dell acido fosforico
IT1051931B (it) Procedimento per la produzione di acido clorocianurico
IT938967B (it) Procedimento per la purificazione di acido fosforico commerciale
IT998319B (it) Procedimento per la preparazione di acido tetrafluoborico ad elevata concentrazione
AR198822A1 (es) Procedimiento para preparar derivados de acido 9-oxosprostanoico