IT1036884B - PROCEDURE FOR PURIFICATION OF FORFORIC ACID - Google Patents

PROCEDURE FOR PURIFICATION OF FORFORIC ACID

Info

Publication number: IT1036884B
Authority: IT; Italy
Prior art keywords: forforic; purification; procedure; acid; forforic acid
Prior art date: 1974-03-19

Application number

IT48663/75A

Other languages

Italian (it)

Inventor

A Villard

Original Assignee

Azote & Prod Chim

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.)

1974-03-19

Filing date

1975-03-18

Publication date

1979-10-30

1975-03-18 Application filed by Azote & Prod Chim filed Critical Azote & Prod Chim

1979-10-30 Application granted granted Critical

1979-10-30 Publication of IT1036884B publication Critical patent/IT1036884B/en

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)
Fertilizers (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Removal Of Specific Substances (AREA)
Treatment Of Water By Ion Exchange (AREA)

IT48663/75A 1974-03-19 1975-03-18 PROCEDURE FOR PURIFICATION OF FORFORIC ACID IT1036884B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7409158A FR2264774B1 (en)	1974-03-19	1974-03-19

Publications (1)

Publication Number	Publication Date
IT1036884B true IT1036884B (en)	1979-10-30

Family

ID=9136486

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48663/75A IT1036884B (en)	1974-03-19	1975-03-18	PROCEDURE FOR PURIFICATION OF FORFORIC ACID

Country Status (14)

Country	Link
JP (1)	JPS5440075B2 (en)
BE (1)	BE826810A (en)
ES (1)	ES435760A1 (en)
FI (1)	FI58767C (en)
FR (1)	FR2264774B1 (en)
GB (1)	GB1438269A (en)
IL (1)	IL46740A (en)
IT (1)	IT1036884B (en)
MX (1)	MX3087E (en)
NL (1)	NL167391C (en)
NO (1)	NO138526C (en)
SE (2)	SE393361B (en)
YU (1)	YU36663B (en)
ZA (1)	ZA751297B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES482524A1 (en) *	1979-07-17	1980-04-01	Cros Sa	Food-pharmaceutical quality phosphoric acid preparation - by treating urea phosphate with nitric acid, then with nitrous acid, passing air and reducing nitrate with saccharide(s) or formic acid
TW421606B (en) *	1995-06-21	2001-02-11	Mohamed Takhim	Method of purifying substances by extraction from a liquid medium
WO2008046428A1 (en) *	2006-10-18	2008-04-24	Fekria Ahmed Fathi Kassem	New method for cheap production of urea phosphate
CN103170221A (en) *	2013-04-18	2013-06-26	瓮福（集团）有限责任公司	Method and device for exhaust gas treatment by wet-process phosphoric acid reaction
CN104311181B (en) *	2014-09-19	2017-02-08	贵州大学	Preparation method of special fertilizer for honey peaches
CN107473990A (en) *	2017-07-24	2017-12-15	湖北三宁化工股份有限公司	A kind of urea phosphate mother liquor water soluble fertilizer and preparation method
USD943707S1 (en) *	2019-10-25	2022-02-15	Tianjin Bright Sight Commerce Co., Ltd.	Filter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE754920A (en) *	1969-08-22	1971-02-01	Hachez Pierre	PROCESS FOR PURIFYING PHOSPHORIC ACID PRODUCED BY WET METHODS AND A POTASSIUM-BASED PHOSPHATE BY-PRODUCT THAT CAN BE USED AS A FERTILIZER

1974
- 1974-03-19 FR FR7409158A patent/FR2264774B1/fr not_active Expired
1975
- 1975-02-28 GB GB857375A patent/GB1438269A/en not_active Expired
- 1975-03-01 MX MX100043U patent/MX3087E/en unknown
- 1975-03-03 ZA ZA00751297A patent/ZA751297B/en unknown
- 1975-03-03 IL IL46740A patent/IL46740A/en unknown
- 1975-03-13 NL NL7503004.A patent/NL167391C/en not_active IP Right Cessation
- 1975-03-13 YU YU0606/75A patent/YU36663B/en unknown
- 1975-03-17 SE SE7503010A patent/SE393361B/en not_active IP Right Cessation
- 1975-03-17 SE SE7503010D patent/SE7503010L/xx not_active Application Discontinuation
- 1975-03-18 JP JP3286775A patent/JPS5440075B2/ja not_active Expired
- 1975-03-18 NO NO750908A patent/NO138526C/en unknown
- 1975-03-18 ES ES435760A patent/ES435760A1/en not_active Expired
- 1975-03-18 FI FI750803A patent/FI58767C/en not_active IP Right Cessation
- 1975-03-18 IT IT48663/75A patent/IT1036884B/en active
- 1975-03-18 BE BE154441A patent/BE826810A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2511345A1 (en)	1975-09-25
SE7503010L (en)	1975-09-22
NO138526B (en)	1978-06-12
NO138526C (en)	1978-09-20
FR2264774A1 (en)	1975-10-17
GB1438269A (en)	1976-06-03
FR2264774B1 (en)	1977-06-17
FI750803A (en)	1975-09-20
NL7503004A (en)	1975-09-23
NL167391C (en)	1981-12-16
DE2511345B2 (en)	1977-02-17
IL46740A (en)	1977-07-31
NO750908L (en)	1975-09-22
ZA751297B (en)	1976-01-28
JPS5440075B2 (en)	1979-12-01
SE393361B (en)	1977-05-09
JPS50131892A (en)	1975-10-18
YU36663B (en)	1984-08-31
YU60675A (en)	1982-06-18
NL167391B (en)	1981-07-16
IL46740A0 (en)	1975-05-22
FI58767B (en)	1980-12-31
MX3087E (en)	1980-03-27
FI58767C (en)	1981-04-10
BE826810A (en)	1975-09-18
ES435760A1 (en)	1976-12-16

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