IT1075560B - Procedimento per la preparazione di acido fosforico puro - Google Patents

Procedimento per la preparazione di acido fosforico puro

Info

Publication number
IT1075560B
IT1075560B IT20192/77A IT2019277A IT1075560B IT 1075560 B IT1075560 B IT 1075560B IT 20192/77 A IT20192/77 A IT 20192/77A IT 2019277 A IT2019277 A IT 2019277A IT 1075560 B IT1075560 B IT 1075560B
Authority
IT
Italy
Prior art keywords
procedure
preparation
phosphoric acid
pure phosphoric
pure
Prior art date
Application number
IT20192/77A
Other languages
English (en)
Inventor
Kikuchi Mitsuo
Hiraga Yoichi
Original Assignee
Toyo Soda Mfg Co 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
Priority claimed from JP1394476A external-priority patent/JPS5297390A/ja
Priority claimed from JP1394176A external-priority patent/JPS5297387A/ja
Application filed by Toyo Soda Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Application granted granted Critical
Publication of IT1075560B publication Critical patent/IT1075560B/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
IT20192/77A 1976-02-13 1977-02-11 Procedimento per la preparazione di acido fosforico puro IT1075560B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1394476A JPS5297390A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in phosphoric acid
JP1394176A JPS5297387A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid
JP1394576 1976-02-13

Publications (1)

Publication Number Publication Date
IT1075560B true IT1075560B (it) 1985-04-22

Family

ID=27280462

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20192/77A IT1075560B (it) 1976-02-13 1977-02-11 Procedimento per la preparazione di acido fosforico puro

Country Status (7)

Country Link
US (1) US4070443A (it)
DE (1) DE2704545C3 (it)
FR (1) FR2340902A1 (it)
GB (1) GB1515261A (it)
IL (1) IL51163A (it)
IT (1) IT1075560B (it)
MX (1) MX144900A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437377A1 (fr) * 1978-09-29 1980-04-25 Rhone Poulenc Ind Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur
EP0015589B1 (en) * 1979-01-25 1983-11-30 Stamicarbon B.V. Process for recovering a uranium-containing concentrate and purified phosphoric acid from wet-process phosphoric acid, and products thus obtained
DE2945874A1 (de) * 1979-11-14 1981-05-27 Hoechst Ag, 6000 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
NL8004221A (nl) * 1980-07-23 1982-02-16 Stamicarbon Werkwijze voor het winnen van een uraniumbevattend concentraat en gezuiverd fosforzuur, alsmede uraniumbevattend concentraat en gezuiverd fosforzuur verkregen volgens deze werkwijze.
FR2520342A1 (fr) * 1982-01-25 1983-07-29 Rhone Poulenc Chim Base Procede de purification d'acide phosphorique de voie humide
US5035807A (en) * 1989-03-15 1991-07-30 Csir Water treatment for sulfate ion removal
US20070238907A1 (en) * 2006-04-05 2007-10-11 Binder Thomas P Method for removing sulfur compounds from an alcohol stream
GB2522244B (en) * 2014-01-20 2017-03-01 Bateman Advanced Tech Ltd Method of purifying phosphoric acid
CN110817819B (zh) * 2019-09-27 2023-04-07 瓮福达州化工有限责任公司 一种湿法磷酸净化系统及其制备工艺
CN115974019B (zh) * 2023-01-19 2024-03-12 广东邦普循环科技有限公司 一种溶剂萃取法净化湿法磷酸的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1889929A (en) * 1930-09-25 1932-12-06 U S Phosphoric Products Corp Process of purifying phosphoric acid
US2885265A (en) * 1955-06-21 1959-05-05 Horizons Inc Process for producing substantially pure orthophosphoric acid
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions
US3119662A (en) * 1961-09-01 1964-01-28 Nat Distillers Chem Corp Stabilization of phosphoric acid
GB1103224A (en) * 1964-07-28 1968-02-14 Marchon Products Ltd Improvements in the manufacture of phosphoric acid
FR1435877A (fr) * 1965-01-18 1966-04-22 Pechiney Saint Gobain Procédé de purification d'acide phosphorique
AT299720B (de) * 1969-09-26 1972-06-26 Eduard Ing Bergles Verfahren zur Herstellung von Radnaben für Räder von Fahrzeugen, insbesondere Fahr- und Motorrädern
DE2032263B2 (de) * 1970-06-30 1973-01-11 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur entfernung von sulfationen aus technischer phosphorsaeure
DE2047261C3 (de) * 1970-09-25 1975-07-17 Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim Verfahren zur Entfernung von Eisen aus Phosphorsäure
JPS5018388A (it) * 1973-06-21 1975-02-26

Also Published As

Publication number Publication date
DE2704545A1 (de) 1977-08-18
FR2340902A1 (fr) 1977-09-09
IL51163A0 (en) 1977-02-28
GB1515261A (en) 1978-06-21
MX144900A (es) 1981-12-02
IL51163A (en) 1979-10-31
DE2704545B2 (de) 1979-05-10
US4070443A (en) 1978-01-24
DE2704545C3 (de) 1984-03-29
FR2340902B1 (it) 1981-06-12

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