BE861919A - Procede de decontamination de l'acide phosphorique prepare par voie humide - Google Patents

Procede de decontamination de l'acide phosphorique prepare par voie humide

Info

Publication number: BE861919A
Authority: BE; Belgium
Prior art keywords: decontamination; phosphoric acid; wet method; acid prepared; prepared
Prior art date: 1976-12-17

Application number

BE183508A

Other languages

English (en)

French (fr)

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.)

1976-12-17

Filing date

1977-12-16

Publication date

1978-06-16

1977-12-16 Application filed by Hoechst Ag filed Critical Hoechst Ag

1978-06-16 Publication of BE861919A publication Critical patent/BE861919A/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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
- 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
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Extraction Or Liquid Replacement (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BE183508A 1976-12-17 1977-12-16 Procede de decontamination de l'acide phosphorique prepare par voie humide BE861919A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2657189A DE2657189B2 (de)	1976-12-17	1976-12-17	Verfahren zur Reinigung von NaBverfahrensphosphorsäure

Publications (1)

Publication Number	Publication Date
BE861919A true BE861919A (fr)	1978-06-16

Family

ID=5995769

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE183508A BE861919A (fr)	1976-12-17	1977-12-16	Procede de decontamination de l'acide phosphorique prepare par voie humide

Country Status (22)

Country	Link
US (1)	US4222994A (xx)
JP (1)	JPS5376996A (xx)
AT (1)	AT378760B (xx)
BE (1)	BE861919A (xx)
BR (1)	BR7708378A (xx)
CA (1)	CA1084239A (xx)
CH (1)	CH631681A5 (xx)
DD (1)	DD134635A5 (xx)
DE (1)	DE2657189B2 (xx)
DK (1)	DK147680C (xx)
EG (1)	EG12812A (xx)
ES (1)	ES463636A1 (xx)
FI (1)	FI65609C (xx)
FR (1)	FR2374262A1 (xx)
GB (1)	GB1553319A (xx)
IL (1)	IL53619A0 (xx)
IT (1)	IT1092168B (xx)
MX (1)	MX146677A (xx)
NL (1)	NL184944C (xx)
PH (1)	PH13877A (xx)
SE (1)	SE429543B (xx)
ZA (1)	ZA777231B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2909572A1 (de) *	1979-03-12	1980-09-25	Hoechst Ag	Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte
DE2926943A1 (de) *	1979-07-04	1981-01-29	Hoechst Ag	Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE2945874A1 (de)	1979-11-14	1981-05-27	Hoechst Ag, 6000 Frankfurt	Verfahren zur reinigung von nassverfahrenphosphorsaeure
US4311681A (en) *	1980-05-19	1982-01-19	Fmc Corporation	Method of regenerating phosphoric acid extraction solvent
JPS5933527B2 (ja) *	1980-11-29	1984-08-16	東ソー株式会社	リン酸の溶媒抽出法
DE3135801A1 (de) *	1981-09-10	1983-03-24	Hoechst Ag, 6000 Frankfurt	Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung
JPS58217413A (ja) *	1982-05-12	1983-12-17	Toyo Soda Mfg Co Ltd	リン酸の精製法
DE19703884C2 (de) *	1997-02-03	1999-04-29	Bk Giulini Chem Gmbh & Co Ohg	Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE102016212242B4 (de)	2016-07-05	2019-02-07	Technische Universität Bergakademie Freiberg	Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen
CN117547861B (zh) *	2023-12-27	2024-04-02	昆明红海磷肥有限责任公司	一种萃余磷酸和含渣磷酸提纯分离装置及其方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2880063A (en) *	1956-06-25	1959-03-31	Makhtsavei Israel	Process for the preparation of phosphoric acid
FI43731B (xx) *	1965-02-04	1971-03-01	Typpi Oy
US3956465A (en) *	1970-06-12	1976-05-11	Azote Et Produits Chimiques S.A.	Solvent purification of wet process phosphoric acid
FR2128968A6 (en) *	1971-03-10	1972-10-27	Azote & Prod Chim	Purification of wet-process phosphoric acid - by extraction - with part water-misc organic solvent
SE366972B (xx) *	1970-06-12	1974-05-13	Azote & Prod Chim
FR2093372A5 (en) *	1970-06-12	1972-01-28	Azote & Prod Chim	Purification of wet-process phosphoric acid - by extraction - with part water-misc organic solvent
US3684439A (en) *	1970-09-22	1972-08-15	Monsanto Co	Handling of raffinates from wet phosphoric acid purification
DE2321751C3 (de) *	1973-04-30	1981-11-19	Hoechst Ag, 6000 Frankfurt	Verfahren zur Reinigung von Naßphosphorsäure
FR2259787B1 (xx) *	1974-02-01	1977-09-16	Rhone Poulenc Ind
DE2605106C2 (de) *	1976-02-10	1984-06-14	Hoechst Ag, 6230 Frankfurt	Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten

1976
- 1976-12-17 DE DE2657189A patent/DE2657189B2/de not_active Ceased
1977
- 1977-09-06 CH CH1089077A patent/CH631681A5/de not_active IP Right Cessation
- 1977-10-28 ES ES463636A patent/ES463636A1/es not_active Expired
- 1977-12-05 ZA ZA00777231A patent/ZA777231B/xx unknown
- 1977-12-08 NL NLAANVRAGE7713607,A patent/NL184944C/xx not_active IP Right Cessation
- 1977-12-09 GB GB51347/77A patent/GB1553319A/en not_active Expired
- 1977-12-12 US US05/859,681 patent/US4222994A/en not_active Expired - Lifetime
- 1977-12-14 EG EG691/77A patent/EG12812A/xx active
- 1977-12-14 IT IT52201/77A patent/IT1092168B/it active
- 1977-12-14 PH PH20553A patent/PH13877A/en unknown
- 1977-12-15 MX MX171731A patent/MX146677A/es unknown
- 1977-12-15 AT AT0898177A patent/AT378760B/de not_active IP Right Cessation
- 1977-12-15 IL IL53619A patent/IL53619A0/xx not_active IP Right Cessation
- 1977-12-15 FI FI773802A patent/FI65609C/fi not_active IP Right Cessation
- 1977-12-15 SE SE7714258A patent/SE429543B/sv not_active IP Right Cessation
- 1977-12-15 DD DD77202672A patent/DD134635A5/xx unknown
- 1977-12-16 CA CA293,248A patent/CA1084239A/en not_active Expired
- 1977-12-16 BR BR7708378A patent/BR7708378A/pt unknown
- 1977-12-16 BE BE183508A patent/BE861919A/xx not_active IP Right Cessation
- 1977-12-16 DK DK562777A patent/DK147680C/da active
- 1977-12-16 FR FR7738056A patent/FR2374262A1/fr active Granted
- 1977-12-16 JP JP15231577A patent/JPS5376996A/ja active Pending

Also Published As

Publication number	Publication date
CA1084239A (en)	1980-08-26
ES463636A1 (es)	1978-07-16
NL7713607A (nl)	1978-06-20
EG12812A (en)	1981-03-31
MX146677A (es)	1982-07-27
BR7708378A (pt)	1978-08-08
IT1092168B (it)	1985-07-06
FI773802A (fi)	1978-06-18
IL53619A0 (en)	1978-03-10
FR2374262B1 (xx)	1982-10-08
JPS5376996A (en)	1978-07-07
DK147680C (da)	1985-05-13
DK147680B (da)	1984-11-12
ATA898177A (de)	1985-02-15
US4222994A (en)	1980-09-16
DK562777A (da)	1978-06-18
FI65609C (fi)	1984-06-11
PH13877A (en)	1980-10-24
CH631681A5 (de)	1982-08-31
DE2657189A1 (de)	1978-06-22
SE7714258L (sv)	1978-06-18
ZA777231B (en)	1978-11-29
AT378760B (de)	1985-09-25
NL184944C (nl)	1989-12-18
FI65609B (fi)	1984-02-29
SE429543B (sv)	1983-09-12
FR2374262A1 (fr)	1978-07-13
DD134635A5 (de)	1979-03-14
GB1553319A (en)	1979-09-26
NL184944B (nl)	1989-07-17
DE2657189B2 (de)	1980-02-07

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MA18666A1 (fr)	1980-07-01	Procede d'extraction d'uranium d'acide phosphorique
RO74966A (ro)	1982-09-09	Procedeu de preparare a acidului perpropionic
BE887113A (fr)	1981-05-14	Procede de defluoruration de l'acide phosphorique
FR2300824A1 (fr)	1976-09-10	Procede de preparation de l'acide diacetone-2-cetogulonique

Legal Events

Date

Code

Title

Description

1993-06-30

RE

Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19921231