IT1075651B - Procedimento per eliminare gli ioni di solfato dall'acido fosforico estratto - Google Patents

Procedimento per eliminare gli ioni di solfato dall'acido fosforico estratto

Info

Publication number
IT1075651B
IT1075651B IT20194/77A IT2019477A IT1075651B IT 1075651 B IT1075651 B IT 1075651B IT 20194/77 A IT20194/77 A IT 20194/77A IT 2019477 A IT2019477 A IT 2019477A IT 1075651 B IT1075651 B IT 1075651B
Authority
IT
Italy
Prior art keywords
eliminate
procedure
phosphoric acid
sulphate ions
extracted phosphoric
Prior art date
Application number
IT20194/77A
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
Application filed by Toyo Soda Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Application granted granted Critical
Publication of IT1075651B publication Critical patent/IT1075651B/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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Specific Substances (AREA)
  • Water Treatment By Sorption (AREA)
IT20194/77A 1976-02-13 1977-02-11 Procedimento per eliminare gli ioni di solfato dall'acido fosforico estratto IT1075651B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1394376A JPS5297389A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid

Publications (1)

Publication Number Publication Date
IT1075651B true IT1075651B (it) 1985-04-22

Family

ID=11847279

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20194/77A IT1075651B (it) 1976-02-13 1977-02-11 Procedimento per eliminare gli ioni di solfato dall'acido fosforico estratto

Country Status (9)

Country Link
US (1) US4041134A (it)
JP (1) JPS5297389A (it)
BR (1) BR7700498A (it)
DE (1) DE2704073C3 (it)
FR (1) FR2340904A1 (it)
GB (1) GB1516480A (it)
IL (1) IL51164A (it)
IT (1) IT1075651B (it)
MX (1) MX144901A (it)

Families Citing this family (5)

* 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
JP3836634B2 (ja) * 1999-07-15 2006-10-25 富士写真フイルム株式会社 希土類賦活アルカリ土類金属弗化ハロゲン化物系輝尽性蛍光体前駆体結晶の製造装置
BE1029993B1 (fr) * 2021-12-27 2023-09-25 Prayon Méthode de purification d’au moins une solution aqueuse d’acide phosphorique
CN116216672A (zh) * 2022-12-16 2023-06-06 贵州芭田生态工程有限公司 一种制备磷酸过程中脱除硫酸根的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE419175A (it) * 1935-12-28
US2929777A (en) * 1958-12-11 1960-03-22 Int Minerals & Chem Corp Clarification of acidic phosphatic solutions
US3367738A (en) * 1963-09-23 1968-02-06 Tennessee Corp Process for purifying wet process phosphoric acid with ethyl ether
FR1435877A (fr) * 1965-01-18 1966-04-22 Pechiney Saint Gobain Procédé de purification d'acide phosphorique
JPS4321173Y1 (it) * 1966-11-19 1968-09-05
US3554694A (en) * 1969-06-02 1971-01-12 Cities Service Co Process for producing fluosilicates
DE2047261C3 (de) * 1970-09-25 1975-07-17 Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim Verfahren zur Entfernung von Eisen aus Phosphorsäure
DE2218382C3 (de) * 1972-04-15 1975-08-21 Gebrueder Giulini Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinem Calciumsulfat beim Phosphorsäurenaßaufschluß

Also Published As

Publication number Publication date
DE2704073A1 (de) 1977-08-18
BR7700498A (pt) 1977-10-18
JPS5426237B2 (it) 1979-09-03
FR2340904A1 (fr) 1977-09-09
JPS5297389A (en) 1977-08-16
MX144901A (es) 1981-12-02
DE2704073C3 (de) 1979-05-31
GB1516480A (en) 1978-07-05
IL51164A0 (en) 1977-02-28
DE2704073B2 (de) 1978-10-05
IL51164A (en) 1979-10-31
FR2340904B1 (it) 1981-06-19
US4041134A (en) 1977-08-09

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