GB1601474A - Purification of wet process phosphoric acid - Google Patents

Purification of wet process phosphoric acid Download PDF

Info

Publication number
GB1601474A
GB1601474A GB15135/77A GB1513577A GB1601474A GB 1601474 A GB1601474 A GB 1601474A GB 15135/77 A GB15135/77 A GB 15135/77A GB 1513577 A GB1513577 A GB 1513577A GB 1601474 A GB1601474 A GB 1601474A
Authority
GB
United Kingdom
Prior art keywords
acid
concentrated
evaporator
ppm
wet process
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB15135/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
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 and Wilson Ltd filed Critical Albright and Wilson Ltd
Priority to GB15135/77A priority Critical patent/GB1601474A/en
Priority to AU34967/78A priority patent/AU518507B2/en
Priority to IN262/DEL/78A priority patent/IN149004B/en
Priority to IT67813/78A priority patent/IT1156955B/it
Priority to ES468736A priority patent/ES468736A1/es
Priority to IL54496A priority patent/IL54496A/xx
Priority to JP4222378A priority patent/JPS53128595A/ja
Priority to BE186732A priority patent/BE865908A/xx
Priority to FR7810807A priority patent/FR2387188A1/fr
Priority to MX10000778U priority patent/MX6056E/es
Priority to NL7803876A priority patent/NL7803876A/xx
Priority to SE7804144A priority patent/SE7804144L/xx
Priority to CA300,997A priority patent/CA1103887A/en
Priority to DE19782815880 priority patent/DE2815880A1/de
Priority to ZA782113A priority patent/ZA782113B/xx
Publication of GB1601474A publication Critical patent/GB1601474A/en
Expired legal-status Critical Current

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)
GB15135/77A 1977-04-12 1977-04-12 Purification of wet process phosphoric acid Expired GB1601474A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GB15135/77A GB1601474A (en) 1977-04-12 1977-04-12 Purification of wet process phosphoric acid
AU34967/78A AU518507B2 (en) 1977-04-12 1978-04-11 Purification of wet process phosphoric acid
IN262/DEL/78A IN149004B (es) 1977-04-12 1978-04-12
IT67813/78A IT1156955B (it) 1977-04-12 1978-04-12 Procedimento ed apparecchio per la purificazione dell'acido fosforico ottenuto col processo ad umido
ES468736A ES468736A1 (es) 1977-04-12 1978-04-12 Un metodo para la produccion de derivados fosfaticos
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
JP4222378A JPS53128595A (en) 1977-04-12 1978-04-12 Method of purifying wet phosphoric acid
BE186732A BE865908A (fr) 1977-04-12 1978-04-12 Purification de l'acide phosphorique du procede par voie humide
FR7810807A FR2387188A1 (fr) 1977-04-12 1978-04-12 Procede de purification d'acide phosphorique de voie humide
MX10000778U MX6056E (es) 1977-04-12 1978-04-12 Mejoras en metodo y aparato para purificar acido fosforico por via humeda
NL7803876A NL7803876A (nl) 1977-04-12 1978-04-12 Werkwijze voor het concentreren en zuiveren van fosfor- zuur.
SE7804144A SE7804144L (sv) 1977-04-12 1978-04-12 Rening av fosforsyra framstelld enligt den vata metoden
CA300,997A CA1103887A (en) 1977-04-12 1978-04-12 Preparation of purified or condensed phosphoric acid
DE19782815880 DE2815880A1 (de) 1977-04-12 1978-04-12 Verfahren zum aufkonzentrieren und reinigen von nassphosphorsaeure
ZA782113A ZA782113B (en) 1977-04-12 1978-04-12 The preparation of purified or condensed phosphoric acid

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 (1)

Publication Number Publication Date
GB1601474A true GB1601474A (en) 1981-10-28

Family

ID=10053666

Family Applications (1)

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

Country Status (14)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6861039B1 (en) * 1998-12-28 2005-03-01 Toyo Boeski Kabushiki Kaisha Method for purification of phosphoric acid high purity polyphosphoric acid

Families Citing this family (3)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6861039B1 (en) * 1998-12-28 2005-03-01 Toyo Boeski Kabushiki Kaisha Method for purification of phosphoric acid high purity polyphosphoric acid

Also Published As

Publication number Publication date
FR2387188A1 (fr) 1978-11-10
NL7803876A (nl) 1978-10-16
IL54496A0 (en) 1978-07-31
AU3496778A (en) 1979-10-18
FR2387188B1 (es) 1980-08-08
IT1156955B (it) 1987-02-04
SE7804144L (sv) 1978-10-13
DE2815880A1 (de) 1978-10-26
ZA782113B (en) 1980-02-27
AU518507B2 (en) 1981-10-01
ES468736A1 (es) 1980-01-01
IL54496A (en) 1980-09-16
IT7867813A0 (it) 1978-04-12
BE865908A (fr) 1978-10-12
JPS53128595A (en) 1978-11-09
IN149004B (es) 1981-08-15
CA1103887A (en) 1981-06-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee