FR2340902B1 - - Google Patents

Info

Publication number
FR2340902B1
FR2340902B1 FR7701425A FR7701425A FR2340902B1 FR 2340902 B1 FR2340902 B1 FR 2340902B1 FR 7701425 A FR7701425 A FR 7701425A FR 7701425 A FR7701425 A FR 7701425A FR 2340902 B1 FR2340902 B1 FR 2340902B1
Authority
FR
France
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
FR7701425A
Other versions
FR2340902A1 (fr
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing 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 Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of FR2340902A1 publication Critical patent/FR2340902A1/fr
Application granted granted Critical
Publication of FR2340902B1 publication Critical patent/FR2340902B1/fr
Granted 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
    • C01B25/18—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)
FR7701425A 1976-02-13 1977-01-19 Procede de preparation d'acide phosphorique pur Granted FR2340902A1 (fr)

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
JP1394576 1976-02-13
JP1394176A JPS5297387A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid

Publications (2)

Publication Number Publication Date
FR2340902A1 FR2340902A1 (fr) 1977-09-09
FR2340902B1 true FR2340902B1 (fr) 1981-06-12

Family

ID=27280462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701425A Granted FR2340902A1 (fr) 1976-02-13 1977-01-19 Procede de preparation d'acide phosphorique pur

Country Status (7)

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

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
DE3065736D1 (en) * 1979-01-25 1984-01-05 Stamicarbon 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
BRPI0709730A2 (pt) * 2006-04-05 2011-07-26 Archer Daniels Midland Co mÉtodos para remover compostos de enxofre de uma corrente de Álcool
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 (fr) * 1973-06-21 1975-02-26

Also Published As

Publication number Publication date
IL51163A0 (en) 1977-02-28
MX144900A (es) 1981-12-02
IL51163A (en) 1979-10-31
DE2704545C3 (de) 1984-03-29
GB1515261A (en) 1978-06-21
DE2704545A1 (de) 1977-08-18
FR2340902A1 (fr) 1977-09-09
DE2704545B2 (de) 1979-05-10
IT1075560B (it) 1985-04-22
US4070443A (en) 1978-01-24

Similar Documents

Publication Publication Date Title
FR2340902B1 (fr)
DK137429C (fr)
DE2715512C3 (fr)
JPS52151921U (fr)
JPS52167572U (fr)
DD127522A1 (fr)
BG23177A1 (fr)
BG23240A1 (fr)
BG23359A1 (fr)
BG23436A1 (fr)
BG26865A1 (fr)
CH594511A5 (fr)
CH599094A5 (fr)
CH599373A5 (fr)
CH600135A5 (fr)
CH600574A5 (fr)
CH600792A5 (fr)
CH600865A5 (fr)
CH600990A5 (fr)
CH602473A5 (fr)
CH604005A5 (fr)
CH605105A5 (fr)
CH605143A5 (fr)
CH606592A5 (fr)
CH606668A5 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse