IL54496A - Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor - Google Patents

Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor

Info

Publication number
IL54496A
IL54496A IL54496A IL5449678A IL54496A IL 54496 A IL54496 A IL 54496A IL 54496 A IL54496 A IL 54496A IL 5449678 A IL5449678 A IL 5449678A IL 54496 A IL54496 A IL 54496A
Authority
IL
Israel
Prior art keywords
concentration
phosphoric acid
electric resistance
resistance heating
wet process
Prior art date
Application number
IL54496A
Other languages
English (en)
Other versions
IL54496A0 (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
Publication of IL54496A0 publication Critical patent/IL54496A0/xx
Publication of IL54496A publication Critical patent/IL54496A/xx

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)
IL54496A 1977-04-12 1978-04-12 Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor IL54496A (en)

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
IL54496A0 IL54496A0 (en) 1978-07-31
IL54496A true IL54496A (en) 1980-09-16

Family

ID=10053666

Family Applications (1)

Application Number Title Priority Date Filing Date
IL54496A IL54496A (en) 1977-04-12 1978-04-12 Method for concentration of wet process phosphoric acid by direct electric resistance heating and apparatus therefor

Country Status (14)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1128592A (fr) * 1980-01-15 1982-07-27 Michio Ikura Methode et appareillage pour la concentration d'un liquide
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
CA1103887A (fr) 1981-06-30
FR2387188A1 (fr) 1978-11-10
ES468736A1 (es) 1980-01-01
AU3496778A (en) 1979-10-18
IT1156955B (it) 1987-02-04
GB1601474A (en) 1981-10-28
DE2815880A1 (de) 1978-10-26
FR2387188B1 (fr) 1980-08-08
NL7803876A (nl) 1978-10-16
ZA782113B (en) 1980-02-27
IN149004B (fr) 1981-08-15
IL54496A0 (en) 1978-07-31
AU518507B2 (en) 1981-10-01
SE7804144L (sv) 1978-10-13
IT7867813A0 (it) 1978-04-12
JPS53128595A (en) 1978-11-09
BE865908A (fr) 1978-10-12

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