DK447575A - Fremgangsmade og anleg til rensning af vadphosphorsyre - Google Patents

Fremgangsmade og anleg til rensning af vadphosphorsyre

Info

Publication number: DK447575A
Authority: DK; Denmark
Prior art keywords: wadhphosphoric; plant; cleaning; acid; wadhphosphoric acid
Prior art date: 1974-10-04

Application number

DK447575A

Other languages

English (en)

Other versions

DK137229C (da

DK137229B (da

Inventor

K P Ehlers

G Heymer

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.)

1974-10-04

Filing date

1975-10-03

Publication date

1976-04-05

1975-10-03 Application filed by Hoechst Ag filed Critical Hoechst Ag

1976-04-05 Publication of DK447575A publication Critical patent/DK447575A/da

1978-02-06 Publication of DK137229B publication Critical patent/DK137229B/da

1978-07-10 Application granted granted Critical

1978-07-10 Publication of DK137229C publication Critical patent/DK137229C/da

Links

239000002253 acid Substances 0.000 title 1
238000004140 cleaning Methods 0.000 title 1
238000000034 method Methods 0.000 title 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
- C01B25/237—Selective elimination of impurities

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Removal Of Specific Substances (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Processing Of Solid Wastes (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DK447575A 1974-10-04 1975-10-03 Fremgangsmaade til rensning af vaadphosphorsyre DK137229C (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2447390A DE2447390C3 (de)	1974-10-04	1974-10-04	Verfahren zur Reinigung von Naßphosphorsäure

Publications (3)

Publication Number	Publication Date
DK447575A true DK447575A (da)	1976-04-05
DK137229B DK137229B (da)	1978-02-06
DK137229C DK137229C (da)	1978-07-10

Family

ID=5927552

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK447575A DK137229C (da)	1974-10-04	1975-10-03	Fremgangsmaade til rensning af vaadphosphorsyre

Country Status (21)

Country	Link
JP (1)	JPS5163394A (da)
AT (1)	AT358525B (da)
BE (1)	BE834003A (da)
BR (1)	BR7506423A (da)
CA (1)	CA1045339A (da)
CH (1)	CH599900A5 (da)
DD (1)	DD120417A5 (da)
DE (1)	DE2447390C3 (da)
DK (1)	DK137229C (da)
EG (1)	EG11849A (da)
ES (1)	ES441121A1 (da)
FI (1)	FI752749A7 (da)
FR (1)	FR2286790A1 (da)
GB (1)	GB1524552A (da)
IL (1)	IL48236A (da)
IT (1)	IT1047666B (da)
NL (1)	NL170839C (da)
SE (1)	SE401668B (da)
SU (1)	SU671716A3 (da)
TR (1)	TR19680A (da)
ZA (1)	ZA755820B (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2447347A1 (fr) *	1979-01-24	1980-08-22	Rhone Poulenc Ind	Procede de traitement d'un acide phosphorique impur
SE418845B (sv)	1979-05-10	1981-06-29	Boliden Ab	Forfarande for rening av vatprocessfosforsyra
DE3134847A1 (de) *	1981-09-03	1983-03-17	Hoechst Ag, 6000 Frankfurt	"verfahren zur gewinnung cadmium-freier rohphosphorsaeure"
DE3202659A1 (de) *	1982-01-28	1983-08-04	Hoechst Ag, 6230 Frankfurt	Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE3360853D1 (en) *	1982-02-12	1985-10-31	Hoechst Ag	Process for the reduction of the heavy metal content in raw phosphate
IL69100A (en) *	1982-07-21	1986-11-30	Hoechst Ag	Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid
DE3325862A1 (de) *	1983-07-18	1985-01-31	Hoechst Ag, 6230 Frankfurt	Verfahren und vorrichtung zur entfernung von organischen verunreinigungen aus nassverfahrensphosphorsaeure
DE19703884C2 (de) *	1997-02-03	1999-04-29	Bk Giulini Chem Gmbh & Co Ohg	Verfahren zur Reinigung von Naßverfahrensphosphorsäure
CN121550944B (zh) *	2026-01-23	2026-04-21	陕西橘子实业有限公司	一种磷酸脱色除杂的集成化净化设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1472520A (fr) *	1966-03-23	1967-03-10	Marchon Products Ltd	Procédé de désulfatation de l'acide phosphorique

1974
- 1974-10-04 DE DE2447390A patent/DE2447390C3/de not_active Expired
1975
- 1975-09-09 GB GB37054/75A patent/GB1524552A/en not_active Expired
- 1975-09-12 ZA ZA00755820A patent/ZA755820B/xx unknown
- 1975-09-18 CA CA235,803A patent/CA1045339A/en not_active Expired
- 1975-09-19 ES ES441121A patent/ES441121A1/es not_active Expired
- 1975-09-22 TR TR19680A patent/TR19680A/xx unknown
- 1975-09-27 EG EG573/75A patent/EG11849A/xx active
- 1975-09-30 BE BE160530A patent/BE834003A/xx not_active IP Right Cessation
- 1975-10-01 FI FI752749A patent/FI752749A7/fi not_active Application Discontinuation
- 1975-10-01 NL NLAANVRAGE7511568,A patent/NL170839C/xx not_active IP Right Cessation
- 1975-10-02 SE SE7511066A patent/SE401668B/xx not_active IP Right Cessation
- 1975-10-02 DD DD188691A patent/DD120417A5/xx unknown
- 1975-10-02 IT IT51611/75A patent/IT1047666B/it active
- 1975-10-02 SU SU752176256A patent/SU671716A3/ru active
- 1975-10-02 AT AT753175A patent/AT358525B/de not_active IP Right Cessation
- 1975-10-02 BR BR7506423*A patent/BR7506423A/pt unknown
- 1975-10-03 FR FR7530417A patent/FR2286790A1/fr active Granted
- 1975-10-03 JP JP50119685A patent/JPS5163394A/ja active Granted
- 1975-10-03 CH CH1287775A patent/CH599900A5/xx not_active IP Right Cessation
- 1975-10-03 IL IL48236A patent/IL48236A/xx unknown
- 1975-10-03 DK DK447575A patent/DK137229C/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL170839C (nl)	1983-01-03
BR7506423A (pt)	1976-08-10
IT1047666B (it)	1980-10-20
DD120417A5 (da)	1976-06-12
SU671716A3 (ru)	1979-06-30
AT358525B (de)	1980-09-10
CA1045339A (en)	1979-01-02
NL7511568A (nl)	1976-04-06
FR2286790A1 (fr)	1976-04-30
BE834003A (fr)	1976-03-30
ES441121A1 (es)	1977-03-16
SE7511066L (sv)	1976-04-05
SE401668B (sv)	1978-05-22
ZA755820B (en)	1976-08-25
GB1524552A (en)	1978-09-13
JPS5163394A (en)	1976-06-01
FR2286790B1 (da)	1979-10-12
DE2447390A1 (de)	1976-04-08
NL170839B (nl)	1982-08-02
JPS537319B2 (da)	1978-03-16
IL48236A0 (en)	1975-12-31
ATA753175A (de)	1980-02-15
DE2447390C3 (de)	1983-11-17
TR19680A (tr)	1979-10-05
FI752749A7 (da)	1976-04-05
EG11849A (en)	1978-06-30
DK137229C (da)	1978-07-10
CH599900A5 (da)	1978-06-15
DK137229B (da)	1978-02-06
DE2447390B2 (de)	1977-10-20
IL48236A (en)	1978-04-30

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Legal Events

Date	Code	Title	Description
1994-06-20	PBP	Patent lapsed