PH13509A - Deflourination process - Google Patents

Deflourination process

Info

Publication number: PH13509A
Authority: PH; Philippines
Prior art keywords: deflourination; deflourination process
Prior art date: 1977-05-23

Application number

PH21180A

Inventor

F Bousquet

A Mamourian

J Helgorsky

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

1978-05-23

Publication date

1980-06-03

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

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

1978-05-23 Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind

1980-06-03 Publication of PH13509A publication Critical patent/PH13509A/en

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)

PH21180A 1977-05-23 1978-05-23 Deflourination process PH13509A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7715623A FR2391954A2 (en)	1977-05-23	1977-05-23	WET PHOSPHORIC ACID PURIFICATION PROCESS
FR7800771A FR2421845A2 (en)	1978-01-12	1978-01-12	PROCESS FOR PURIFYING A WET PHOSPHORIC ACID

Publications (1)

Publication Number	Publication Date
PH13509A true PH13509A (en)	1980-06-03

Family

ID=26220035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PH21180A PH13509A (en)	1977-05-23	1978-05-23	Deflourination process

Country Status (9)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3325121A1 (en) *	1983-07-12	1985-01-24	Hoechst Ag, 6230 Frankfurt	METHOD AND DEVICE FOR REMOVING FLUOR AND ORGANIC COMPOUNDS FROM PRE-PREPARED WET METAL PHOSPHORIC ACID
JPS60121733A (en) *	1984-07-31	1985-06-29	Shinkawa Ltd	Inner lead bonder
RU2149830C1 (en) *	1999-10-12	2000-05-27	Гриневич Анатолий Владимирович	Method of wet-process phosphoric acid purification
RU2174491C1 (en) *	2000-12-20	2001-10-10	Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам"	Extraction phosphoric acid purification process
CN111874884B (en) *	2020-07-23	2023-08-04	湖北祥云(集团)化工股份有限公司	Defluorination method and system for wet-process phosphoric acid
CN116374971A (en) *	2023-03-07	2023-07-04	湖北鄂中生态农业科技有限公司	Method for purifying phosphoric acid

Family Cites Families (1)

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

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

Also Published As

Publication number	Publication date
DE2822303A1 (en)	1978-11-30
IT7849488A0 (en)	1978-05-22
DE2822303B2 (en)	1980-07-03
ES470068A1 (en)	1979-09-16
NL7805497A (en)	1978-11-27
JPS5413497A (en)	1979-01-31
IT1105409B (en)	1985-11-04
GB1601428A (en)	1981-10-28
BR7803244A (en)	1978-12-19
CA1109635A (en)	1981-09-29

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