IT1105409B - Procedimento di purificazione e fluorazione di un acido fosforico impuro per ottenere un acido fosforico di qualita' alimentare - Google Patents

Procedimento di purificazione e fluorazione di un acido fosforico impuro per ottenere un acido fosforico di qualita' alimentare

Info

Publication number
IT1105409B
IT1105409B IT49488/78A IT4948878A IT1105409B IT 1105409 B IT1105409 B IT 1105409B IT 49488/78 A IT49488/78 A IT 49488/78A IT 4948878 A IT4948878 A IT 4948878A IT 1105409 B IT1105409 B IT 1105409B
Authority
IT
Italy
Prior art keywords
phosphoric acid
fluoration
purification
food
procedure
Prior art date
Application number
IT49488/78A
Other languages
English (en)
Italian (it)
Other versions
IT7849488A0 (it
Original Assignee
Rhone Poulenc Ind
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 FR7715623A external-priority patent/FR2391954A2/fr
Priority claimed from FR7800771A external-priority patent/FR2421845A2/fr
Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of IT7849488A0 publication Critical patent/IT7849488A0/it
Application granted granted Critical
Publication of IT1105409B publication Critical patent/IT1105409B/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)
  • Extraction Or Liquid Replacement (AREA)
  • Removal Of Specific Substances (AREA)
IT49488/78A 1977-05-23 1978-05-22 Procedimento di purificazione e fluorazione di un acido fosforico impuro per ottenere un acido fosforico di qualita' alimentare IT1105409B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7715623A FR2391954A2 (fr) 1977-05-23 1977-05-23 Procede de purification d'un acide phosphorique de voie humide
FR7800771A FR2421845A2 (fr) 1978-01-12 1978-01-12 Procede de purification d'un acide phosphorique de voie humide

Publications (2)

Publication Number Publication Date
IT7849488A0 IT7849488A0 (it) 1978-05-22
IT1105409B true IT1105409B (it) 1985-11-04

Family

ID=26220035

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49488/78A IT1105409B (it) 1977-05-23 1978-05-22 Procedimento di purificazione e fluorazione di un acido fosforico impuro per ottenere un acido fosforico di qualita' alimentare

Country Status (9)

Country Link
JP (1) JPS5413497A (de)
BR (1) BR7803244A (de)
CA (1) CA1109635A (de)
DE (1) DE2822303B2 (de)
ES (1) ES470068A1 (de)
GB (1) GB1601428A (de)
IT (1) IT1105409B (de)
NL (1) NL7805497A (de)
PH (1) PH13509A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325121A1 (de) * 1983-07-12 1985-01-24 Hoechst Ag, 6230 Frankfurt Verfahren und vorrichtung zur entfernung von fluor und organischen verbindungen aus vorgefertigter nassverfahrensphosphorsaeure
JPS60121733A (ja) * 1984-07-31 1985-06-29 Shinkawa Ltd インナ−リ−ドボンダ−
CN111874884B (zh) * 2020-07-23 2023-08-04 湖北祥云(集团)化工股份有限公司 一种湿法磷酸的脱氟方法及系统
CN116374971A (zh) * 2023-03-07 2023-07-04 湖北鄂中生态农业科技有限公司 磷酸的提纯方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037158A (de) * 1973-08-10 1975-04-07

Also Published As

Publication number Publication date
DE2822303A1 (de) 1978-11-30
IT7849488A0 (it) 1978-05-22
BR7803244A (pt) 1978-12-19
GB1601428A (en) 1981-10-28
ES470068A1 (es) 1979-09-16
NL7805497A (nl) 1978-11-27
CA1109635A (en) 1981-09-29
DE2822303B2 (de) 1980-07-03
PH13509A (en) 1980-06-03
JPS5413497A (en) 1979-01-31

Similar Documents

Publication Publication Date Title
ZA783603B (en) Purification of phosphoric acid
IT1106619B (it) Procedimento per la depurazione di acido acrilico grezzo
JPS5426397A (en) Production of optically active alphaahydroxycarboxylic acid
JPS54151910A (en) Manufacture of anhydrous carboxylic acid
IT1106862B (it) Composti contenenti gruppi ossidrilici e gruppi di acido uretano-aril-solfonico e procedimento per produrli
MX7232E (es) Mejoras en procedimiento de purificacion de un acido fosforico de via humeda
EG12812A (en) Purification of wet-processed phosphoric acid
IT1105409B (it) Procedimento di purificazione e fluorazione di un acido fosforico impuro per ottenere un acido fosforico di qualita' alimentare
IT1167603B (it) Procedimento di purificazione di un acido fosforico impuro
JPS54135706A (en) Manufacture of anhydrous carboxylic acid
IT1188894B (it) Procedimento di trattamento di un acido fosforico impuro
ZA786430B (en) Production of phosphoric acid
JPS5385797A (en) Method of concentrating phosphoric acid
IT7849725A0 (it) Procedimento per produrre ammidi di acido carbossilico n-alchil-sosti tuite
IT1188938B (it) Procedimento per la puricazione di acido ursodesossicolico
ES549353A0 (es) Procedimiento de obtencion de esteres del acido ascorbico
IT1124766B (it) Procedimento per la depurazione dell'acido fosforico
IT1089147B (it) Purificazione dell'acido fosforico
IT1158164B (it) Procedimento per la separazione di acido solforico e acido iodridico
IT7851479A0 (it) Nuovi esteri dell'acido fosforico (fosfonico)
JPS53141227A (en) Oxidizing method of pptoluylic acid to mmcresol
IT1075561B (it) Purificazione dell'acido fosforico estratto
JPS5465194A (en) Purification of sulfuric acid
IT1095451B (it) Esteri dell'acido ciclopropancarbossilico
IT1104816B (it) Procedimento per produrre acido naftalin-1/3/6-trisolfonico