AU475462B2 - Process for preparing pure phosphoric acid - Google Patents

Process for preparing pure phosphoric acid

Info

Publication number: AU475462B2
Authority: AU; Australia
Prior art keywords: phosphoric acid; preparing pure; pure phosphoric; preparing; acid
Prior art date: 1974-07-09
Legal status (The legal status 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 status listed.): Expired

Application number

AU82688/75A

Other versions

AU8268875A (en

Inventor

TOSHIMITSU; SARUMI FUJII MASAO UCHIDA and YOSHIO FUJII ITARU

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Tosoh Corp

Original Assignee

Toyo Soda Manufacturing 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.)

1974-07-09

Filing date

1975-07-02

Publication date

1976-08-26

1975-07-02 Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd

1976-08-26 Application granted granted Critical

1976-08-26 Publication of AU475462B2 publication Critical patent/AU475462B2/en

1976-08-26 Publication of AU8268875A publication Critical patent/AU8268875A/en

Status Expired legal-status Critical Current

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
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Silicon Compounds (AREA)

AU82688/75A 1974-07-09 1975-07-02 Process for preparing pure phosphoric acid Expired AU475462B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP7777374A JPS516894A (en)	1974-07-09	1974-07-09	Seiseirinsanno seizoho
JPJP77773/74		1974-07-09

Publications (2)

Publication Number	Publication Date
AU475462B2 true AU475462B2 (en)	1976-08-26
AU8268875A AU8268875A (en)	1976-08-26

Family

ID=13643261

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU82688/75A Expired AU475462B2 (en)	1974-07-09	1975-07-02	Process for preparing pure phosphoric acid

Country Status (7)

Country	Link
JP (1)	JPS516894A (en)
AU (1)	AU475462B2 (en)
BR (1)	BR7504306A (en)
DE (1)	DE2530658C3 (en)
FR (1)	FR2277767A1 (en)
GB (1)	GB1463224A (en)
IT (1)	IT1039720B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5297393A (en) *	1976-02-13	1977-08-16	Toyo Soda Mfg Co Ltd	Purification of extracted phosphoric acid
JPS5297394A (en) *	1976-02-13	1977-08-16	Toyo Soda Mfg Co Ltd	Removal of organic matter in phosphoric acid
FR2421845A2 (en) *	1978-01-12	1979-11-02	Rhone Poulenc Ind	PROCESS FOR PURIFYING A WET PHOSPHORIC ACID
FR2391954A2 (en) *	1977-05-23	1978-12-22	Rhone Poulenc Ind	WET PHOSPHORIC ACID PURIFICATION PROCESS
CN112661127A (en) *	2021-03-08	2021-04-16	昆明理工大学	A system for improving the yield of fluorine in wet-process phosphoric acid
PL443061A1 (en) *	2022-12-06	2024-06-10	Politechnika Wrocławska	Method for producing pure phosphoric acid based on struvite

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DD30306A (en) *
US2165100A (en) *	1936-08-28	1939-07-04	Virginia Chemical Corp	Process for purifying phosphoric acid
US2415797A (en) *	1942-10-02	1947-02-11	Westvaco Chlorine Products Cor	Preparation of pure phosphoric acid
US2977196A (en) *	1955-07-01	1961-03-28	Int Minerals & Chem Corp	Defluorination method
US2987376A (en) *	1956-12-27	1961-06-06	Int Minerals & Chem Corp	Method for defluorination of phosphoric acid
DE1148531B (en) *	1960-05-25	1963-05-16	Int Minerals & Chem Corp	Process for the defluorination of fluorine-containing, acidic phosphate-containing solutions
US3193351A (en) *	1961-07-05	1965-07-06	Nat Distillers Chem Corp	Removal of fluorine from wet process prosphoric acid
FR1435877A (en) *	1965-01-18	1966-04-22	Pechiney Saint Gobain	Phosphoric acid purification process
DE1667435B1 (en) *	1967-12-19	1971-09-16	Kalk Chemische Fabrik Gmbh	PROCESS FOR PREPARING LOW FLUOROUS PHOSPHORIC ACID
US3718729A (en) *	1971-03-15	1973-02-27	American Cyanamid Co	Defluorination of wet process phosphoric acid
BE788733A (en) *	1971-09-13	1973-03-13	Int Standard Electric Corp	IMPROVEMENTS IN FILLING COMPOUNDS FOR CABLES
JPS5018388A (en) *	1973-06-21	1975-02-26

1974
- 1974-07-09 JP JP7777374A patent/JPS516894A/en active Granted
1975
- 1975-07-01 FR FR7520586A patent/FR2277767A1/en active Granted
- 1975-07-02 AU AU82688/75A patent/AU475462B2/en not_active Expired
- 1975-07-07 IT IT2514075A patent/IT1039720B/en active
- 1975-07-07 GB GB2851875A patent/GB1463224A/en not_active Expired
- 1975-07-08 BR BR7505519D patent/BR7504306A/en unknown
- 1975-07-09 DE DE19752530658 patent/DE2530658C3/en not_active Expired

Also Published As

Publication number	Publication date
IT1039720B (en)	1979-12-10
JPS516894A (en)	1976-01-20
FR2277767A1 (en)	1976-02-06
DE2530658A1 (en)	1976-01-29
DE2530658B2 (en)	1977-06-23
BR7504306A (en)	1976-07-06
FR2277767B1 (en)	1980-08-08
JPS5652848B2 (en)	1981-12-15
GB1463224A (en)	1977-02-02
AU8268875A (en)	1976-08-26
DE2530658C3 (en)	1983-11-17

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