FI803528L - Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet - Google Patents

Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet

Info

Publication number: FI803528L
Authority: FI; Finland
Prior art keywords: phosphoric acid; vaotfoerfarandet; fosforsyra; fraon; foerfarande foer
Prior art date: 1979-11-14

Application number

FI803528A

Other languages

English (en)

Other versions

FI65413C (fi

FI65413B (fi

Inventor

Reinhard Gradl

Klaus Schroedter

Klaus-Peter Ehlers

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.)

1979-11-14

Filing date

1980-11-11

Publication date

1981-05-15

1980-11-11 Application filed by Hoechst Ag filed Critical Hoechst Ag

1981-05-15 Publication of FI803528L publication Critical patent/FI803528L/fi

1984-01-31 Application granted granted Critical

1984-01-31 Publication of FI65413B publication Critical patent/FI65413B/fi

1984-05-10 Publication of FI65413C publication Critical patent/FI65413C/fi

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)
Polysaccharides And Polysaccharide Derivatives (AREA)
Removal Of Specific Substances (AREA)
Extraction Or Liquid Replacement (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Silicon Compounds (AREA)
Carbon And Carbon Compounds (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Saccharide Compounds (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

FI803528A 1979-11-14 1980-11-11 Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet FI65413C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2945874		1979-11-14
DE19792945874 DE2945874A1 (de)	1979-11-14	1979-11-14	Verfahren zur reinigung von nassverfahrenphosphorsaeure

Publications (3)

Publication Number	Publication Date
FI803528L true FI803528L (fi)	1981-05-15
FI65413B FI65413B (fi)	1984-01-31
FI65413C FI65413C (fi)	1984-05-10

Family

ID=6085899

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI803528A FI65413C (fi)	1979-11-14	1980-11-11	Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet

Country Status (15)

Country	Link
US (1)	US4321245A (fi)
EP (1)	EP0029132B1 (fi)
JP (1)	JPS5684307A (fi)
AT (1)	ATE2612T1 (fi)
BR (1)	BR8007397A (fi)
CA (1)	CA1144339A (fi)
DD (1)	DD154291A5 (fi)
DE (2)	DE2945874A1 (fi)
EG (1)	EG15048A (fi)
ES (1)	ES8105678A1 (fi)
FI (1)	FI65413C (fi)
IL (1)	IL61430A (fi)
MA (1)	MA18998A1 (fi)
SU (1)	SU1088658A3 (fi)
ZA (1)	ZA807016B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH08323517A (ja) *	1995-05-26	1996-12-10	Tetsuo Tagami	切削工具用チャック装置
CN101575094B (zh) *	2009-03-16	2011-08-24	瓮福（集团）有限责任公司	一种磷酸净化方法
EP4015452A1 (en)	2020-12-21	2022-06-22	Técnicas Reunidas, S.A.	Process for producing technical grade phosphoric acid from sewage sludge ash
CN118488925A (zh)	2021-12-27	2024-08-13	普瑞扬股份有限公司	用于纯化至少一种磷酸水溶液的方法
CN116216672A (zh) *	2022-12-16	2023-06-06	贵州芭田生态工程有限公司	一种制备磷酸过程中脱除硫酸根的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3338674A (en) *	1963-05-09	1967-08-29	Avraham M Baniel	Process for preparation of substantially pure phosphoric acid
FR1531487A (fr) *	1967-05-11	1968-07-05	Pechiney Saint Gobain	Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
US3554694A (en) *	1969-06-02	1971-01-12	Cities Service Co	Process for producing fluosilicates
SE366972B (fi) *	1970-06-12	1974-05-13	Azote & Prod Chim
DE2032263B2 (de) *	1970-06-30	1973-01-11	Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim	Verfahren zur entfernung von sulfationen aus technischer phosphorsaeure
DE2321751C3 (de) *	1973-04-30	1981-11-19	Hoechst Ag, 6000 Frankfurt	Verfahren zur Reinigung von Naßphosphorsäure
JPS5018388A (fi) *	1973-06-21	1975-02-26
US4070443A (en) *	1976-02-13	1978-01-24	Toyo Soda Manufacturing Co., Ltd.	Process for removing sulfate ions from extracted phosphoric acid with a barium compound
DE2657189B2 (de) *	1976-12-17	1980-02-07	Hoechst Ag, 6000 Frankfurt	Verfahren zur Reinigung von NaBverfahrensphosphorsäure
FR2447348A1 (fr) *	1979-01-24	1980-08-22	Rhone Poulenc Ind	Procede de purification d'un acide phosphorique impur

1979
- 1979-11-14 DE DE19792945874 patent/DE2945874A1/de not_active Withdrawn
1980
- 1980-09-30 ES ES495506A patent/ES8105678A1/es not_active Expired
- 1980-10-24 EP EP80106516A patent/EP0029132B1/de not_active Expired
- 1980-10-24 AT AT80106516T patent/ATE2612T1/de not_active IP Right Cessation
- 1980-10-24 DE DE8080106516T patent/DE3062138D1/de not_active Expired
- 1980-11-05 CA CA000363987A patent/CA1144339A/en not_active Expired
- 1980-11-07 IL IL61430A patent/IL61430A/xx unknown
- 1980-11-10 US US06/205,172 patent/US4321245A/en not_active Expired - Lifetime
- 1980-11-11 FI FI803528A patent/FI65413C/fi not_active IP Right Cessation
- 1980-11-12 EG EG80706A patent/EG15048A/xx active
- 1980-11-12 DD DD80225134A patent/DD154291A5/de not_active IP Right Cessation
- 1980-11-13 BR BR8007397A patent/BR8007397A/pt unknown
- 1980-11-13 ZA ZA00807016A patent/ZA807016B/xx unknown
- 1980-11-13 MA MA19200A patent/MA18998A1/fr unknown
- 1980-11-13 JP JP15890080A patent/JPS5684307A/ja active Granted
- 1980-11-13 SU SU803008195A patent/SU1088658A3/ru active

Also Published As

Publication number	Publication date
DD154291A5 (de)	1982-03-10
DE3062138D1 (en)	1983-03-31
SU1088658A3 (ru)	1984-04-23
EP0029132A1 (de)	1981-05-27
JPH0135765B2 (fi)	1989-07-27
BR8007397A (pt)	1981-05-26
ES495506A0 (es)	1981-06-16
IL61430A0 (en)	1980-12-31
IL61430A (en)	1984-03-30
EP0029132B1 (de)	1983-02-23
FI65413C (fi)	1984-05-10
US4321245A (en)	1982-03-23
DE2945874A1 (de)	1981-05-27
ES8105678A1 (es)	1981-06-16
ZA807016B (en)	1981-11-25
CA1144339A (en)	1983-04-12
MA18998A1 (fr)	1981-07-01
FI65413B (fi)	1984-01-31
JPS5684307A (en)	1981-07-09
EG15048A (en)	1986-06-30
ATE2612T1 (de)	1983-03-15

Publication	Publication Date	Title
BR9404265A (pt)	1995-07-04	Processo para separação de uma macrolida de impurezas neutras acídicas, básicas e não-polares
KR930007966A (ko)	1993-05-20	2-0-α-D-글루코피라노실-L-아스코르브산 고함유물의 제조방법
KR910000173A (ko)	1991-01-29	은행잎에서 징코라이드를 분리 및 정제하는 방법
FI65413B (fi)	1984-01-31	Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet
BR7507974A (pt)	1976-08-24	Processo para a purificacao de uma fase de refinado e/ou extrato obtido por extracao de uma mistura de compostos organicos com um solvente do tipo de sulfolano
TR21939A (tr)	1985-11-28	Islak usullue fosforik asidin aritilmasina mahsus usul
BR8801284A (pt)	1988-10-25	Processo de separacao de terras raras contidas em uma solucao aquosa
SE7714259L (sv)	1978-06-18	Sett for rening av vatframstelld fosforsyra
BR8004138A (pt)	1981-01-21	Processo para a purificacao de uma solucao aquosa de acidofosforico do processo via umida
NO954666D0 (no)	1995-11-17	Lösemiddeloverföringsprosess for dinitrogenpentoksyd
KR890011960A (ko)	1989-08-23	안토시아닌(anthocyanin)계 색소의 추출, 정제방법
GB163162A (en)	1921-05-19	Improvements in or relating to the purification of ammonium salts
TW252154B (en)	1995-07-21	Solvent transfer process for dinitrogen pentoxide
GB626405A (en)	1949-07-14	Improvements in or relating to the purification of penicillin salts
JPS5659744A (en)	1981-05-23	Purification of crude ketazine solution containing ketoxime
JPS51118708A (en)	1976-10-18	Process for stabilization of nitro compounds

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: HOECHST AKTIENGESELLSCHAFT