IT7849488A0 - 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: IT7849488A0
Authority: IT; Italy
Prior art keywords: phosphoric acid; fluoration; purification; procedure; food quality
Prior art date: 1977-05-23

Application number

IT7849488A

Other languages

English (en)

Other versions

IT1105409B (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.)

1977-05-23

Filing date

1978-05-22

Publication date

1978-05-22

1977-05-23 Priority claimed from FR7715623A external-priority patent/FR2391954A2/fr

1978-01-12 Priority claimed from FR7800771A external-priority patent/FR2421845A2/fr

1978-05-22 Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind

1978-05-22 Publication of IT7849488A0 publication Critical patent/IT7849488A0/it

1985-11-04 Application granted granted Critical

1985-11-04 Publication of IT1105409B publication Critical patent/IT1105409B/it

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 4
229910000147 aluminium phosphate Inorganic materials 0.000 title 2
238000000034 method Methods 0.000 title 1
238000000746 purification Methods 0.000 title 1

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 true IT7849488A0 (it)	1978-05-22
IT1105409B 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 (it)
BR (1)	BR7803244A (it)
CA (1)	CA1109635A (it)
DE (1)	DE2822303B2 (it)
ES (1)	ES470068A1 (it)
GB (1)	GB1601428A (it)
IT (1)	IT1105409B (it)
NL (1)	NL7805497A (it)
PH (1)	PH13509A (it)

Families Citing this family (6)

* 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−
RU2149830C1 (ru) *	1999-10-12	2000-05-27	Гриневич Анатолий Владимирович	Способ очистки экстракционной фосфорной кислоты
RU2174491C1 (ru) *	2000-12-20	2001-10-10	Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам"	Способ очистки экстракционной фосфорной кислоты
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 (it) *	1973-08-10	1975-04-07

1978
- 1978-05-19 CA CA303,785A patent/CA1109635A/en not_active Expired
- 1978-05-22 GB GB21075/78A patent/GB1601428A/en not_active Expired
- 1978-05-22 ES ES470068A patent/ES470068A1/es not_active Expired
- 1978-05-22 BR BR7803244A patent/BR7803244A/pt unknown
- 1978-05-22 NL NL7805497A patent/NL7805497A/xx not_active Application Discontinuation
- 1978-05-22 IT IT49488/78A patent/IT1105409B/it active
- 1978-05-22 JP JP6088878A patent/JPS5413497A/ja active Pending
- 1978-05-22 DE DE2822303A patent/DE2822303B2/de not_active Ceased
- 1978-05-23 PH PH21180A patent/PH13509A/en unknown

Also Published As

Publication number	Publication date
JPS5413497A (en)	1979-01-31
PH13509A (en)	1980-06-03
DE2822303B2 (de)	1980-07-03
BR7803244A (pt)	1978-12-19
CA1109635A (en)	1981-09-29
NL7805497A (nl)	1978-11-27
DE2822303A1 (de)	1978-11-30
ES470068A1 (es)	1979-09-16
IT1105409B (it)	1985-11-04
GB1601428A (en)	1981-10-28

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