EG11909A - Purification of phosphoric acid by means of organic solvents - Google Patents

Purification of phosphoric acid by means of organic solvents

Info

Publication number: EG11909A
Authority: EG; Egypt
Prior art keywords: purification; phosphoric acid; organic solvents; solvents; organic
Prior art date: 1973-07-04

Application number

EG244/74A

Other languages

English (en)

Inventor

B Wajtech

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

1974-06-25

Publication date

1979-12-31

1974-06-25 Application filed by Hoechst Ag filed Critical Hoechst Ag

1979-12-31 Application granted granted Critical

1979-12-31 Publication of EG11909A publication Critical patent/EG11909A/xx

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)

EG244/74A 1973-07-04 1974-06-25 Purification of phosphoric acid by means of organic solvents EG11909A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2334019A DE2334019C3 (de)	1973-07-04	1973-07-04	Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure

Publications (1)

Publication Number	Publication Date
EG11909A true EG11909A (en)	1979-12-31

Family

ID=5885915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EG244/74A EG11909A (en)	1973-07-04	1974-06-25	Purification of phosphoric acid by means of organic solvents

Country Status (22)

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

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 (de) *	1975-08-30	1982-11-18	Giulini Chemie Gmbh, 6700 Ludwigshafen	Verfahren zur Reinigung von Naßverfahrensphosphorsäure
FR2447348A1 (fr) *	1979-01-24	1980-08-22	Rhone Poulenc Ind	Procede de purification d'un acide phosphorique impur
DE3246415A1 (de) *	1982-12-15	1984-06-20	Hoechst Ag, 6230 Frankfurt	Verfahren zur reinigung von nassverfahrenphosphorsaeure
JPS60155513A (ja) *	1984-01-23	1985-08-15	Mitsui Toatsu Chem Inc	燐酸液の濃縮方法
DE19703884C2 (de)	1997-02-03	1999-04-29	Bk Giulini Chem Gmbh & Co Ohg	Verfahren zur Reinigung von Naßverfahrensphosphorsäure
JP6143808B2 (ja) *	2015-05-28	2017-06-07	曽田香料株式会社	水溶液中の溶質成分の抽出法
DE102016212242B4 (de)	2016-07-05	2019-02-07	Technische Universität Bergakademie Freiberg	Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen
CN108862223A (zh) *	2018-09-07	2018-11-23	云南云天化股份有限公司	一种有效延长磷酸浓缩***设备清洗周期的方法
CN110316891A (zh) *	2019-03-25	2019-10-11	华颢控股（集团）有限公司	一种h酸废水萃取工艺以及改性脂肪族减水剂的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE884358C (de) *	1951-09-20	1953-07-27	Gerardo Collardin	Verfahren zur Reinigung von technischer Phosphorsaeure

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

Also Published As

Publication number	Publication date
FR2235876A1 (xx)	1975-01-31
CA1020725A (en)	1977-11-15
SE7408508L (xx)	1975-01-07
SE397332B (sv)	1977-10-31
ATA530074A (de)	1979-01-15
DE2334019A1 (de)	1975-01-30
DD112420A5 (xx)	1975-04-12
TR19869A (tr)	1980-03-21
SU589902A3 (ru)	1978-01-25
DE2334019B2 (de)	1976-11-04
IT1018704B (it)	1977-10-20
JPS5239799B2 (xx)	1977-10-07
ZA743713B (en)	1975-06-25
JPS5038696A (xx)	1975-04-10
NL7407025A (nl)	1975-01-07
CH603488A5 (xx)	1978-08-15
FR2235876B1 (xx)	1980-05-23
GB1463742A (en)	1977-02-09
BE817018A (fr)	1974-12-30
BR7405372A (pt)	1976-03-03
DE2334019C3 (de)	1982-11-04
DK350174A (xx)	1975-03-17
IL45043A0 (en)	1974-09-10
IL45043A (en)	1977-10-31
FI190074A (xx)	1975-01-05
NL178408C (nl)	1986-03-17
PH12113A (en)	1978-11-02
ES426753A1 (es)	1976-07-16
AT351492B (de)	1979-07-25

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