AT351492B - METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS - Google Patents

METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS

Info

Publication number: AT351492B
Authority: AT; Austria
Prior art keywords: phosphoric acid; organic solvents; purifying phosphoric; purifying; solvents
Prior art date: 1973-07-04

Application number

AT530074A

Other languages

German (de)

Other versions

ATA530074A (en

Original Assignee

Hoechst Ag

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.)

1973-07-04

Filing date

1974-06-26

Publication date

1979-07-25

1974-06-26 Application filed by Hoechst Ag filed Critical Hoechst Ag

1979-01-15 Publication of ATA530074A publication Critical patent/ATA530074A/en

1979-07-25 Application granted granted Critical

1979-07-25 Publication of AT351492B publication Critical patent/AT351492B/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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Extraction Or Liquid Replacement (AREA)

AT530074A 1973-07-04 1974-06-26 METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS AT351492B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2334019A DE2334019C3 (en)	1973-07-04	1973-07-04	Process for the purification of contaminated aqueous phosphoric acid

Publications (2)

Publication Number	Publication Date
ATA530074A ATA530074A (en)	1979-01-15
AT351492B true AT351492B (en)	1979-07-25

Family

ID=5885915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT530074A AT351492B (en)	1973-07-04	1974-06-26	METHOD FOR PURIFYING PHOSPHORIC ACID USING ORGANIC SOLVENTS

Country Status (22)

Country	Link
JP (1)	JPS5239799B2 (en)
AT (1)	AT351492B (en)
BE (1)	BE817018A (en)
BR (1)	BR7405372A (en)
CA (1)	CA1020725A (en)
CH (1)	CH603488A5 (en)
DD (1)	DD112420A5 (en)
DE (1)	DE2334019C3 (en)
DK (1)	DK350174A (en)
EG (1)	EG11909A (en)
ES (1)	ES426753A1 (en)
FI (1)	FI190074A (en)
FR (1)	FR2235876B1 (en)
GB (1)	GB1463742A (en)
IL (1)	IL45043A (en)
IT (1)	IT1018704B (en)
NL (1)	NL178408C (en)
PH (1)	PH12113A (en)
SE (1)	SE397332B (en)
SU (1)	SU589902A3 (en)
TR (1)	TR19869A (en)
ZA (1)	ZA743713B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1436113A (en) *	1972-04-26	1976-05-19	Albright & Wilson	Purification of phosphoric acid
DE2538720C2 (en) *	1975-08-30	1982-11-18	Giulini Chemie Gmbh, 6700 Ludwigshafen	Process for purifying wet process phosphoric acid
FR2447348A1 (en) *	1979-01-24	1980-08-22	Rhone Poulenc Ind	PROCESS FOR THE PURIFICATION OF AN IMPURE PHOSPHORIC ACID
DE3246415A1 (en) *	1982-12-15	1984-06-20	Hoechst Ag, 6230 Frankfurt	METHOD FOR PURIFYING WET METHOD PHOSPHORIC ACID
JPS60155513A (en) *	1984-01-23	1985-08-15	Mitsui Toatsu Chem Inc	Concentration of phosphoric acid solution
DE19703884C2 (en)	1997-02-03	1999-04-29	Bk Giulini Chem Gmbh & Co Ohg	Process for purifying wet process phosphoric acid
JP6143808B2 (en) *	2015-05-28	2017-06-07	曽田香料株式会社	Extraction method of solute components in aqueous solution
DE102016212242B4 (en)	2016-07-05	2019-02-07	Technische Universität Bergakademie Freiberg	Process for the production of phosphoric acid from phosphorus-containing primary and secondary raw materials
CN108862223A (en) *	2018-09-07	2018-11-23	云南云天化股份有限公司	A kind of effective method for extending the Phosphoric Acid Concentration system equipment cleaning frequency
CN110316891A (en) *	2019-03-25	2019-10-11	华颢控股（集团）有限公司	A kind of preparation method of H acid waste water extraction process and modified aliphatic water reducing agent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE884358C (en) *	1951-09-20	1953-07-27	Gerardo Collardin	Process for the purification of technical phosphoric acid

1973
- 1973-07-04 DE DE2334019A patent/DE2334019C3/en not_active Expired
1974
- 1974-05-24 NL NLAANVRAGE7407025,A patent/NL178408C/en not_active IP Right Cessation
- 1974-05-29 ES ES426753A patent/ES426753A1/en not_active Expired
- 1974-05-30 CH CH740074A patent/CH603488A5/xx not_active IP Right Cessation
- 1974-06-11 ZA ZA00743713A patent/ZA743713B/en unknown
- 1974-06-14 GB GB2647274A patent/GB1463742A/en not_active Expired
- 1974-06-16 IL IL45043A patent/IL45043A/en unknown
- 1974-06-20 FI FI1900/74A patent/FI190074A/fi unknown
- 1974-06-21 SU SU742035160A patent/SU589902A3/en active
- 1974-06-24 PH PH15977A patent/PH12113A/en unknown
- 1974-06-25 EG EG244/74A patent/EG11909A/en active
- 1974-06-26 AT AT530074A patent/AT351492B/en not_active IP Right Cessation
- 1974-06-27 JP JP49073758A patent/JPS5239799B2/ja not_active Expired
- 1974-06-27 SE SE7408508A patent/SE397332B/en unknown
- 1974-06-27 TR TR19869A patent/TR19869A/en unknown
- 1974-06-27 FR FR7422510A patent/FR2235876B1/fr not_active Expired
- 1974-06-28 BE BE146016A patent/BE817018A/en not_active IP Right Cessation
- 1974-06-28 DD DD179576A patent/DD112420A5/xx unknown
- 1974-06-28 DK DK350174*A patent/DK350174A/da not_active Application Discontinuation
- 1974-06-28 CA CA203,698A patent/CA1020725A/en not_active Expired
- 1974-06-28 IT IT51807/74A patent/IT1018704B/en active
- 1974-06-28 BR BR5372/74A patent/BR7405372A/en unknown

Also Published As

Publication number	Publication date
DE2334019B2 (en)	1976-11-04
CH603488A5 (en)	1978-08-15
DE2334019C3 (en)	1982-11-04
BE817018A (en)	1974-12-30
NL178408C (en)	1986-03-17
FR2235876B1 (en)	1980-05-23
PH12113A (en)	1978-11-02
IL45043A0 (en)	1974-09-10
FI190074A (en)	1975-01-05
DE2334019A1 (en)	1975-01-30
ZA743713B (en)	1975-06-25
JPS5239799B2 (en)	1977-10-07
FR2235876A1 (en)	1975-01-31
EG11909A (en)	1979-12-31
ES426753A1 (en)	1976-07-16
CA1020725A (en)	1977-11-15
DD112420A5 (en)	1975-04-12
BR7405372A (en)	1976-03-03
NL7407025A (en)	1975-01-07
JPS5038696A (en)	1975-04-10
SE397332B (en)	1977-10-31
IL45043A (en)	1977-10-31
TR19869A (en)	1980-03-21
SU589902A3 (en)	1978-01-25
DK350174A (en)	1975-03-17
ATA530074A (en)	1979-01-15
SE7408508L (en)	1975-01-07
IT1018704B (en)	1977-10-20
GB1463742A (en)	1977-02-09

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Legal Events

Date

Code

Title

Description

1982-10-15

ELJ

Ceased due to non-payment of the annual fee

2007-06-15

UEP

Publication of translation of european patent specification

Ref document number: 1371220

Country of ref document: EP