IL59595A - Process for freeing phosphoric acid from organic contaminants - Google Patents

Process for freeing phosphoric acid from organic contaminants

Info

Publication number: IL59595A
Authority: IL; Israel
Prior art keywords: phosphoric acid; freeing; organic contaminants; solutions; metal oxide
Prior art date: 1979-03-19

Application number

IL59595A

Other languages

English (en)

Other versions

IL59595A0 (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.)

1979-03-19

Filing date

1980-03-12

Publication date

1983-07-31

1980-03-12 Application filed by Hoechst Ag filed Critical Hoechst Ag

1980-06-30 Publication of IL59595A0 publication Critical patent/IL59595A0/xx

1983-07-31 Publication of IL59595A publication Critical patent/IL59595A/xx

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 6
229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 3
239000000356 contaminant Substances 0.000 title abstract 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
229910044991 metal oxide Inorganic materials 0.000 abstract 2
150000004706 metal oxides Chemical class 0.000 abstract 2
229910000510 noble metal Inorganic materials 0.000 abstract 2
239000003054 catalyst Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 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
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Saccharide Compounds (AREA)
Extraction Or Liquid Replacement (AREA)
Physical Water Treatments (AREA)
Removal Of Specific Substances (AREA)

IL59595A 1979-03-19 1980-03-12 Process for freeing phosphoric acid from organic contaminants IL59595A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792910711 DE2910711A1 (de)	1979-03-19	1979-03-19	Verfahren zur entfernung von verunreinigungen organischer art aus phosphorsaeure

Publications (2)

Publication Number	Publication Date
IL59595A0 IL59595A0 (en)	1980-06-30
IL59595A true IL59595A (en)	1983-07-31

Family

ID=6065788

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL59595A IL59595A (en)	1979-03-19	1980-03-12	Process for freeing phosphoric acid from organic contaminants

Country Status (15)

Country	Link
US (1)	US4279878A (da)
EP (1)	EP0016996B1 (da)
JP (1)	JPS5919045B2 (da)
AT (1)	ATE1349T1 (da)
BR (1)	BR8001595A (da)
CA (1)	CA1141940A (da)
DD (1)	DD149499A5 (da)
DE (2)	DE2910711A1 (da)
DK (1)	DK149802B (da)
ES (1)	ES488202A1 (da)
IE (1)	IE49557B1 (da)
IL (1)	IL59595A (da)
MA (1)	MA18778A1 (da)
PH (1)	PH14566A (da)
ZA (1)	ZA801550B (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2942545A1 (de) *	1979-10-20	1981-06-04	Riedel-De Haen Ag, 3016 Seelze	Verfahren zur herstellung einer gereinigten oxidationsbestaendigen anorganischen saeure und danach erhaltene saeure
DE3131847A1 (de) *	1981-08-12	1983-03-17	Hoechst Ag, 6000 Frankfurt	Verfahren zur entfernung von organischen verunreinigungen aus phosphorsaeure
US4457899A (en) *	1981-11-23	1984-07-03	Mobil Oil Corporation	Process for removal of residual organic matter from purified phosphoric acid
DE3325121A1 (de) *	1983-07-12	1985-01-24	Hoechst Ag, 6230 Frankfurt	Verfahren und vorrichtung zur entfernung von fluor und organischen verbindungen aus vorgefertigter nassverfahrensphosphorsaeure
US4643883A (en) *	1986-01-22	1987-02-17	International Minerals & Chemical Corp.	Method of decolorizing wet process phosphoric acid
US4804526A (en) *	1987-10-13	1989-02-14	Fmc Corporation	Process for purifying phosphoric acid for electrical semiconductor use
DE3806822A1 (de) *	1988-03-03	1989-09-14	Hoechst Ag	Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure
DE102005057913A1 (de) *	2005-12-02	2007-06-06	Vopelius Chemie Ag	Verfahren zur Entfernung von Verunreinigungen und/oder zur Entfärbung von gebrauchter Phosphorsäure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE593370C (de) *	1931-11-05	1934-02-24	Chem Fab Budenheim Akt Ges	Reinigung der durch sauren Aufschluss von Rohphosphaten erhaltenen Rohphosphorsaeure
DE884358C (de) *	1951-09-20	1953-07-27	Gerardo Collardin	Verfahren zur Reinigung von technischer Phosphorsaeure
US2977191A (en) *	1957-03-19	1961-03-28	Union Chimique Belge Sa	Anhydrous colorless phosphates
US3493376A (en) *	1966-10-18	1970-02-03	Horizons Research Inc	Dry working black image compositions
DE2522220C3 (de) *	1975-05-20	1982-05-13	Giulini Chemie Gmbh, 6700 Ludwigshafen	Verfahren zur Beseitigung der organischen Verunreinigungen in wässrigen Phosphorsäurelösungen
JPS5297394A (en) *	1976-02-13	1977-08-16	Toyo Soda Mfg Co Ltd	Removal of organic matter in phosphoric acid
DE2813755C3 (de) *	1978-03-30	1982-03-25	Kazachskij naučno-issledovatel'skij proektnyj institut fosfornoj promyšlennosti KazNiiGiprofosfor, Čimkent	Verfahren zur Reinigung der Orthophosphorsäure

1979
- 1979-03-19 DE DE19792910711 patent/DE2910711A1/de not_active Withdrawn
1980
- 1980-02-01 ES ES488202A patent/ES488202A1/es not_active Expired
- 1980-03-06 AT AT80101135T patent/ATE1349T1/de not_active IP Right Cessation
- 1980-03-06 DE DE8080101135T patent/DE3060672D1/de not_active Expired
- 1980-03-06 EP EP80101135A patent/EP0016996B1/de not_active Expired
- 1980-03-11 CA CA000347386A patent/CA1141940A/en not_active Expired
- 1980-03-12 IL IL59595A patent/IL59595A/xx unknown
- 1980-03-17 US US06/131,234 patent/US4279878A/en not_active Expired - Lifetime
- 1980-03-17 DD DD80219716A patent/DD149499A5/de unknown
- 1980-03-18 ZA ZA00801550A patent/ZA801550B/xx unknown
- 1980-03-18 IE IE546/80A patent/IE49557B1/en unknown
- 1980-03-18 BR BR8001595A patent/BR8001595A/pt unknown
- 1980-03-18 DK DK116980AA patent/DK149802B/da not_active Application Discontinuation
- 1980-03-18 MA MA18977A patent/MA18778A1/fr unknown
- 1980-03-19 PH PH23785A patent/PH14566A/en unknown
- 1980-03-19 JP JP55035695A patent/JPS5919045B2/ja not_active Expired

Also Published As

Publication number	Publication date
US4279878A (en)	1981-07-21
IE800546L (en)	1980-09-19
ZA801550B (en)	1981-04-29
IE49557B1 (en)	1985-10-30
BR8001595A (pt)	1980-11-18
JPS56109805A (en)	1981-08-31
ES488202A1 (es)	1980-09-16
CA1141940A (en)	1983-03-01
EP0016996A2 (de)	1980-10-15
DE2910711A1 (de)	1980-10-02
PH14566A (en)	1981-09-24
ATE1349T1 (de)	1982-08-15
DK149802B (da)	1986-10-06
JPS5919045B2 (ja)	1984-05-02
DK116980A (da)	1980-09-20
DD149499A5 (de)	1981-07-15
EP0016996A3 (en)	1980-12-10
IL59595A0 (en)	1980-06-30
EP0016996B1 (de)	1982-07-21
MA18778A1 (fr)	1980-10-01
DE3060672D1 (en)	1982-09-09

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