IT7867813A0 - Procedimento ed apparecchio per la purificazione dell'acido fosforico ottenuto col processo ad umido - Google Patents

Procedimento ed apparecchio per la purificazione dell'acido fosforico ottenuto col processo ad umido

Info

Publication number
IT7867813A0
IT7867813A0 IT7867813A IT6781378A IT7867813A0 IT 7867813 A0 IT7867813 A0 IT 7867813A0 IT 7867813 A IT7867813 A IT 7867813A IT 6781378 A IT6781378 A IT 6781378A IT 7867813 A0 IT7867813 A0 IT 7867813A0
Authority
IT
Italy
Prior art keywords
purification
procedure
phosphoric acid
wet process
acid obtained
Prior art date
Application number
IT7867813A
Other languages
English (en)
Other versions
IT1156955B (it
Original Assignee
Albright & Wilson
Bretagna
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, Bretagna filed Critical Albright & Wilson
Publication of IT7867813A0 publication Critical patent/IT7867813A0/it
Application granted granted Critical
Publication of IT1156955B publication Critical patent/IT1156955B/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
    • C01B25/26—Phosphates
    • C01B25/28—Ammonium phosphates
    • 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
    • C01B25/24—Condensed phosphoric acids
    • 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
    • C01B25/26—Phosphates
    • C01B25/265—General methods for obtaining phosphates
    • 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
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/405—Polyphosphates of ammonium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
IT67813/78A 1977-04-12 1978-04-12 Procedimento ed apparecchio per la purificazione dell'acido fosforico ottenuto col processo ad umido IT1156955B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15135/77A GB1601474A (en) 1977-04-12 1977-04-12 Purification of wet process phosphoric acid

Publications (2)

Publication Number Publication Date
IT7867813A0 true IT7867813A0 (it) 1978-04-12
IT1156955B IT1156955B (it) 1987-02-04

Family

ID=10053666

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67813/78A IT1156955B (it) 1977-04-12 1978-04-12 Procedimento ed apparecchio per la purificazione dell'acido fosforico ottenuto col processo ad umido

Country Status (14)

Country Link
JP (1) JPS53128595A (it)
AU (1) AU518507B2 (it)
BE (1) BE865908A (it)
CA (1) CA1103887A (it)
DE (1) DE2815880A1 (it)
ES (1) ES468736A1 (it)
FR (1) FR2387188A1 (it)
GB (1) GB1601474A (it)
IL (1) IL54496A (it)
IN (1) IN149004B (it)
IT (1) IT1156955B (it)
NL (1) NL7803876A (it)
SE (1) SE7804144L (it)
ZA (1) ZA782113B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1128592A (en) * 1980-01-15 1982-07-27 Michio Ikura Method and apparatus for concentrating a liquid
PH21240A (en) * 1980-05-21 1987-08-21 Albright & Wilson Purification process
JPS63210005A (ja) * 1987-02-24 1988-08-31 Matsushita Electric Works Ltd セラミック基板の表面を粗化する方法
US6861039B1 (en) * 1998-12-28 2005-03-01 Toyo Boeski Kabushiki Kaisha Method for purification of phosphoric acid high purity polyphosphoric acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1336143A (fr) * 1962-06-15 1963-08-30 Collier Carbon & Chemical Co Procédé de traitement d'acide phosphorique obtenu par voie humide pour l'obtention de dérivés phosphorés et produits en résultant
GB1081892A (en) * 1964-07-21 1967-09-06 Occidental Res & Eng Improvements relating to the production of phosphoric acids
FR1468920A (fr) * 1965-11-16 1967-02-10 Occidental Res & Eng Perfectionnements aux procédés pour la production d'acides phosphoriques à haute teneur en anhydride
FR1545773A (fr) * 1966-09-27 1968-11-15 Electric Reduction Co Procédé et appareil de purification et de concentration d'acide phosphorique
US3777008A (en) * 1969-09-24 1973-12-04 Cominco Ltd Solid polyphosphoric acid

Also Published As

Publication number Publication date
AU3496778A (en) 1979-10-18
NL7803876A (nl) 1978-10-16
AU518507B2 (en) 1981-10-01
GB1601474A (en) 1981-10-28
IL54496A (en) 1980-09-16
IT1156955B (it) 1987-02-04
SE7804144L (sv) 1978-10-13
CA1103887A (en) 1981-06-30
IN149004B (it) 1981-08-15
DE2815880A1 (de) 1978-10-26
BE865908A (fr) 1978-10-12
FR2387188A1 (fr) 1978-11-10
ZA782113B (en) 1980-02-27
ES468736A1 (es) 1980-01-01
JPS53128595A (en) 1978-11-09
FR2387188B1 (it) 1980-08-08
IL54496A0 (en) 1978-07-31

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