DK287880A - Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden - Google Patents

Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden

Info

Publication number: DK287880A
Authority: DK; Denmark
Prior art keywords: aqueous phase; phase; zones; phosphoric acid; organic
Prior art date: 1979-07-04

Application number

DK287880A

Other languages

English (en)

Other versions

DK156951B (da

DK156951C (da

Inventor

R Gradl

K Schroedter

K P Ehlers

W Scheibitz

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.)

1979-07-04

Filing date

1980-07-03

Publication date

1981-01-05

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6074853&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK287880(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1980-07-03 Application filed by Hoechst Ag filed Critical Hoechst Ag

1981-01-05 Publication of DK287880A publication Critical patent/DK287880A/da

1989-10-23 Publication of DK156951B publication Critical patent/DK156951B/da

1990-03-26 Application granted granted Critical

1990-03-26 Publication of DK156951C publication Critical patent/DK156951C/da

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 4
229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
238000000034 method Methods 0.000 title 2
239000007864 aqueous solution Substances 0.000 title 1
238000004140 cleaning Methods 0.000 title 1
239000008346 aqueous phase Substances 0.000 abstract 5
238000000605 extraction Methods 0.000 abstract 3
239000012074 organic phase Substances 0.000 abstract 3
239000003960 organic solvent Substances 0.000 abstract 2
238000005202 decontamination Methods 0.000 abstract 1
230000003588 decontaminative effect Effects 0.000 abstract 1
239000012071 phase Substances 0.000 abstract 1
239000002904 solvent 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
- C01B25/46—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
- C01B25/46—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)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Extraction Or Liquid Replacement (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Removal Of Specific Substances (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Saccharide Compounds (AREA)
Materials For Medical Uses (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Silicon Compounds (AREA)

DK287880A 1979-07-04 1980-07-03 Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden DK156951C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19792926943 DE2926943A1 (de)	1979-07-04	1979-07-04	Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE2926943		1979-07-04

Publications (3)

Publication Number	Publication Date
DK287880A true DK287880A (da)	1981-01-05
DK156951B DK156951B (da)	1989-10-23
DK156951C DK156951C (da)	1990-03-26

Family

ID=6074853

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK287880A DK156951C (da)	1979-07-04	1980-07-03	Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden

Country Status (18)

Country	Link
US (1)	US4346066A (da)
EP (1)	EP0022477B1 (da)
JP (1)	JPS5924723B2 (da)
AT (1)	ATE30140T1 (da)
BR (1)	BR8004138A (da)
CA (1)	CA1141941A (da)
DD (1)	DD151920A5 (da)
DE (1)	DE2926943A1 (da)
DK (1)	DK156951C (da)
ES (1)	ES8101021A1 (da)
FI (1)	FI70559C (da)
IL (1)	IL60427A (da)
MA (1)	MA18887A1 (da)
MX (1)	MX152984A (da)
PH (1)	PH16195A (da)
SU (1)	SU1367851A3 (da)
TR (1)	TR21265A (da)
ZA (1)	ZA803999B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3246415A1 (de) *	1982-12-15	1984-06-20	Hoechst Ag, 6230 Frankfurt	Verfahren zur reinigung von nassverfahrenphosphorsaeure
RU2166476C2 (ru) *	1998-12-04	2001-05-10	Зайцев Борис Николаевич	Способ очистки экстракционной фосфорной кислоты
SE535871C2 (sv) *	2009-05-27	2013-01-22	Easymining Sweden Ab	Produktion av ammoniumfosfater

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1292338A (fr) *	1961-03-22	1962-05-04	Ets Kuhlmann	Procédé d'obtention d'acide phosphorique pur par voie humide
GB1042621A (en) *	1962-04-04	1966-09-14	Ishihara Sangyo Kaisha	Liquid-liquid contact process and apparatus
DE1952104U (de)	1966-10-21	1966-12-22	Leonhard Masters	Lampe, welche an regalen loesbar anzubringen ist.
BE757550A (fr) *	1969-10-16	1971-03-16	Giulini Gmbh Geb	Procede de preparation de phosphates purs a partir d'acides phosphoriques impurs
SE366972B (da) *	1970-06-12	1974-05-13	Azote & Prod Chim
DE2321751C3 (de) *	1973-04-30	1981-11-19	Hoechst Ag, 6000 Frankfurt	Verfahren zur Reinigung von Naßphosphorsäure
US4196180A (en) *	1973-07-04	1980-04-01	Hoechst Aktiengesellschaft	Purification of phosphoric acid by means of organic solvents
DE2657190C2 (de) *	1976-12-17	1982-11-04	Hoechst Ag, 6000 Frankfurt	Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE2657189B2 (de) *	1976-12-17	1980-02-07	Hoechst Ag, 6000 Frankfurt	Verfahren zur Reinigung von NaBverfahrensphosphorsäure

1979
- 1979-07-04 DE DE19792926943 patent/DE2926943A1/de active Granted
1980
- 1980-05-28 ES ES491919A patent/ES8101021A1/es not_active Expired
- 1980-06-12 EP EP80103272A patent/EP0022477B1/de not_active Expired
- 1980-06-12 AT AT80103272T patent/ATE30140T1/de not_active IP Right Cessation
- 1980-06-27 IL IL60427A patent/IL60427A/xx unknown
- 1980-06-30 US US06/164,365 patent/US4346066A/en not_active Expired - Lifetime
- 1980-07-01 TR TR21265A patent/TR21265A/xx unknown
- 1980-07-01 MA MA19084A patent/MA18887A1/fr unknown
- 1980-07-02 CA CA000355191A patent/CA1141941A/en not_active Expired
- 1980-07-02 FI FI802126A patent/FI70559C/fi not_active IP Right Cessation
- 1980-07-02 DD DD80222340A patent/DD151920A5/de unknown
- 1980-07-03 ZA ZA00803999A patent/ZA803999B/xx unknown
- 1980-07-03 MX MX183038A patent/MX152984A/es unknown
- 1980-07-03 SU SU802943652A patent/SU1367851A3/ru active
- 1980-07-03 BR BR8004138A patent/BR8004138A/pt not_active IP Right Cessation
- 1980-07-03 DK DK287880A patent/DK156951C/da not_active IP Right Cessation
- 1980-07-04 JP JP55090757A patent/JPS5924723B2/ja not_active Expired
- 1980-07-07 PH PH24244A patent/PH16195A/en unknown

Also Published As

Publication number	Publication date
IL60427A0 (en)	1980-09-16
MA18887A1 (fr)	1981-04-01
FI70559C (fi)	1986-09-24
FI70559B (fi)	1986-06-06
IL60427A (en)	1983-11-30
PH16195A (en)	1983-07-28
EP0022477A3 (en)	1981-08-05
ES491919A0 (es)	1980-12-16
ATE30140T1 (de)	1987-10-15
DK156951B (da)	1989-10-23
CA1141941A (en)	1983-03-01
EP0022477A2 (de)	1981-01-21
FI802126A7 (fi)	1981-01-05
MX152984A (es)	1986-07-14
DE2926943C2 (da)	1988-01-28
DE2926943A1 (de)	1981-01-29
EP0022477B1 (de)	1987-10-07
JPS5924723B2 (ja)	1984-06-12
DK156951C (da)	1990-03-26
US4346066A (en)	1982-08-24
TR21265A (tr)	1984-03-15
ES8101021A1 (es)	1980-12-16
ZA803999B (en)	1981-07-29
SU1367851A3 (ru)	1988-01-15
DD151920A5 (de)	1981-11-11
JPS569203A (en)	1981-01-30
BR8004138A (pt)	1981-01-21

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Legal Events

Date	Code	Title	Description
1993-03-29	PBP	Patent lapsed