GB1296668A - - Google Patents

Info

Publication number
GB1296668A
GB1296668A GB1296668DA GB1296668A GB 1296668 A GB1296668 A GB 1296668A GB 1296668D A GB1296668D A GB 1296668DA GB 1296668 A GB1296668 A GB 1296668A
Authority
GB
United Kingdom
Prior art keywords
acid
extract
phosphoric acid
column
wet
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
Other languages
English (en)
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 JP2169869A external-priority patent/JPS4818715B1/ja
Priority claimed from JP4461869A external-priority patent/JPS4819073B1/ja
Application filed filed Critical
Publication of GB1296668A publication Critical patent/GB1296668A/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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
GB1296668D 1969-03-24 1970-03-23 Expired GB1296668A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2169869A JPS4818715B1 (pt) 1969-03-24 1969-03-24
JP4461869A JPS4819073B1 (pt) 1969-06-09 1969-06-09

Publications (1)

Publication Number Publication Date
GB1296668A true GB1296668A (pt) 1972-11-15

Family

ID=26358781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296668D Expired GB1296668A (pt) 1969-03-24 1970-03-23

Country Status (3)

Country Link
CA (1) CA917880A (pt)
FR (1) FR2039917A5 (pt)
GB (1) GB1296668A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391954A2 (fr) * 1977-05-23 1978-12-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2421845A2 (fr) * 1978-01-12 1979-11-02 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2677345B1 (fr) * 1991-06-04 1993-12-24 Commissariat A Energie Atomique Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction

Also Published As

Publication number Publication date
FR2039917A5 (pt) 1971-01-15
CA917880A (en) 1973-01-02

Similar Documents

Publication Publication Date Title
US3607029A (en) Continuous process for solvent purification of phosphoric acid
GB1296668A (pt)
GB1103224A (en) Improvements in the manufacture of phosphoric acid
US4222994A (en) Solvent extraction purification of wet-processed phosphoric acid
US4556548A (en) Process for purifying wet-processed phosphoric acid
US3366448A (en) Method for treatment of impure phosphoric acid solutions to produce purified phosphoric acid
IL45043A (en) Purification of phosphoric acid by means of organic solvents
US4225568A (en) Process for the purification of an impure phosphoric acid
US3914382A (en) Purification of wet process phosphoric acid using methyl-iso-butyl ketone
FI59077C (fi) Foerfarande foer rening av vaotprocessfosforsyra
US4127640A (en) Purification of phosphoric acid by solvent extraction using hexanones
DE3376000D1 (en) Process for the purification of wet-process phosphoric acid
ES336087A1 (es) Procedimiento de purificacion de acido fosforico.
GB1115592A (en) Process for liberating acrylamide from acrylamide sulphate
US4207303A (en) Method for producing pure phosphoric acid
GB1404546A (en) Process for purifying commercial-grade phosphoric acid by extraction
DE1792010C3 (de) Verfahren zum Herstellen von Mono- und/oder Diammoniumphosphat
US4315899A (en) Process for the purification of wet phosphoric acid
SU148385A1 (ru) Способ очистки производственных растворов, например, фосфорной кислоты
CA1041734A (en) Purification of phosphoric acid
CA1041733A (en) Purification of phosphoric acid
GB1365010A (en) Purification of wet process h3po4 by solvent extraction
GB1199042A (en) Purification of Phosphoric Acid
CN103613167A (zh) 中酸性含钒母液离子交换尾水无限次循环技术
GB983824A (en) Sodium phosphate solutions and treatment of sea water

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee