BE862267A - PURIFICATION OF PHOSPHORIC ACID - Google Patents

PURIFICATION OF PHOSPHORIC ACID

Info

Publication number: BE862267A
Authority: BE; Belgium
Prior art keywords: purification; phosphoric acid; phosphoric; acid
Prior art date: 1976-12-27

Application number

BE183795A

Other languages

French (fr)

Original Assignee

Toyo Soda Mfg Co Ltd

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.)

1976-12-27

Filing date

1977-12-23

Publication date

1978-06-23

1977-12-23 Application filed by Toyo Soda Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd

1978-06-23 Publication of BE862267A publication Critical patent/BE862267A/en

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
229910000147 aluminium phosphate Inorganic materials 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)
Manufacture And Refinement Of Metals (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BE183795A 1976-12-27 1977-12-23 PURIFICATION OF PHOSPHORIC ACID BE862267A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP15634876A JPS5380389A (en)	1976-12-27	1976-12-27	Extractive purification method for wet-process phosphoric acid

Publications (1)

Publication Number	Publication Date
BE862267A true BE862267A (en)	1978-06-23

Family

ID=15625786

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE183795A BE862267A (en)	1976-12-27	1977-12-23	PURIFICATION OF PHOSPHORIC ACID

Country Status (6)

Country	Link
JP (1)	JPS5380389A (en)
BE (1)	BE862267A (en)
DE (1)	DE2753820C3 (en)
FR (1)	FR2375143A1 (en)
GB (1)	GB1576367A (en)
IT (1)	IT1089147B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4208389A (en) *	1976-12-27	1980-06-17	Toyo Soda Manufacturing Company, Limited	Purification of phosphoric acid
DE2844301C3 (en) *	1978-10-11	1982-03-04	Institute of Nuclear Energy Research Atomic Energy Council, Lung-Tan	Process for the purification of a wet phosphoric acid solution intended for the extraction of uranium by means of solvent extraction
FR2470090B1 (en) *	1979-11-20	1986-04-04	Rhone Poulenc Chim Base	PROCESS FOR THE PURIFICATION OF A WET PHOSPHORIC ACID

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2065381A1 (en) *	1970-06-16	1973-05-17	Giulini Gmbh Geb	Phosphoric acid purification - by solvent extraction - with a solvent capable of absorbing at least 9% water
US3694153A (en) *	1970-10-30	1972-09-26	Audrey E Stern	Liquid-liquid extraction process for the purification of phosphoric acid

1976
- 1976-12-27 JP JP15634876A patent/JPS5380389A/en active Granted
1977
- 1977-11-23 GB GB4878777A patent/GB1576367A/en not_active Expired
- 1977-12-02 DE DE19772753820 patent/DE2753820C3/en not_active Expired
- 1977-12-20 FR FR7738449A patent/FR2375143A1/en active Granted
- 1977-12-23 BE BE183795A patent/BE862267A/en not_active IP Right Cessation
- 1977-12-27 IT IT3128577A patent/IT1089147B/en active

Also Published As

Publication number	Publication date
DE2753820B2 (en)	1980-07-03
JPS5380389A (en)	1978-07-15
DE2753820C3 (en)	1981-06-19
DE2753820A1 (en)	1978-06-29
GB1576367A (en)	1980-10-08
FR2375143B1 (en)	1981-10-23
IT1089147B (en)	1985-06-18
FR2375143A1 (en)	1978-07-21
JPS5426519B2 (en)	1979-09-04

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BE866900A (en)	1978-11-10	2-TRICHLOROMETHYL-4-NITROBENZENESULFENIC ACID DERIVATIVES
BE852172A (en)	1977-09-07	NEW DERIVATIVES OF PYRIDIL-PHOSPHORIC ACID

Legal Events

Date

Code

Title

Description

1993-06-30

RE

Patent lapsed

Owner name: TOYO SODA MFG CO. LTD

Effective date: 19921231