NO794175L - Fremgangsmaate til fjerning av urenheter fra natrium-aluminatopploesninger. - Google Patents

Fremgangsmaate til fjerning av urenheter fra natrium-aluminatopploesninger.

Info

Publication number: NO794175L
Authority: NO; Norway
Prior art keywords: pollutants; removal; procedure; sodium aluminate; aluminate solutions
Prior art date: 1978-12-21

Application number

NO794175A

Other languages

English (en)

Other versions

NO154793C (no

NO154793B (no

Inventor

Koichi Yamada

Takuo Harato

Hisakatsu Kato

Original Assignee

Sumitomo Aluminium Smelting Co

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.)

1978-12-21

Filing date

1979-12-19

Publication date

1980-06-24

1978-12-21 Priority claimed from JP15893578A external-priority patent/JPS5585423A/ja

1979-02-13 Priority claimed from JP1579279A external-priority patent/JPS55109222A/ja

1979-12-19 Application filed by Sumitomo Aluminium Smelting Co filed Critical Sumitomo Aluminium Smelting Co

1980-06-24 Publication of NO794175L publication Critical patent/NO794175L/no

1986-09-15 Publication of NO154793B publication Critical patent/NO154793B/no

1986-12-29 Publication of NO154793C publication Critical patent/NO154793C/no

Links

ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 title 1
239000003344 environmental pollutant Substances 0.000 title 1
229910001388 sodium aluminate Inorganic materials 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

NO794175A 1978-12-21 1979-12-19 Fremgangsmaate til fjerning av urenheter fra natriumaluminatopploesninger. NO154793C (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP15893578A JPS5585423A (en)	1978-12-21	1978-12-21	Removing method for organic matter from sodium aluminate solution
JP1579279A JPS55109222A (en)	1979-02-13	1979-02-13	Removing organic and inorganic material from sodium aluminate solution

Publications (3)

Publication Number	Publication Date
NO794175L true NO794175L (no)	1980-06-24
NO154793B NO154793B (no)	1986-09-15
NO154793C NO154793C (no)	1986-12-29

Family

ID=26352001

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO794175A NO154793C (no)	1978-12-21	1979-12-19	Fremgangsmaate til fjerning av urenheter fra natriumaluminatopploesninger.

Country Status (8)

Country	Link
US (1)	US4263261A (no)
EP (1)	EP0013407B1 (no)
AU (1)	AU520320B2 (no)
BR (1)	BR7908477A (no)
CA (1)	CA1111229A (no)
DE (1)	DE2966848D1 (no)
IN (1)	IN151983B (no)
NO (1)	NO154793C (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4443416A (en) *	1983-04-18	1984-04-17	Kaiser Aluminum & Chemical Corporation	Purification of bayer process liquors
CA1285373C (fr) *	1984-06-25	1991-07-02	Jean Fabre	Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
US4994253A (en) *	1985-04-04	1991-02-19	Vereinigte Aluminium-Werke Ag	Process for the production of large boehmite particles
DE3512404A1 (de) *	1985-04-04	1986-10-09	Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn	Verfahren zur verminderung der organischen bestandteile in aluminatlaugen
US4608237A (en) *	1985-04-24	1986-08-26	Nalco Chemical Company	Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
US4999170A (en) *	1988-06-03	1991-03-12	Vereinigte Aluminum-Werke Aktiendesellschaft	Method for removing sodium oxalate from caustic aluminate liquors
US5106599A (en) *	1990-02-06	1992-04-21	Nalco Chemical Company	Alumina crystal growth additive
CA2108785C (en) *	1991-05-03	1998-06-16	Jean Victor Sang	Method for the control of sodium oxalate levels in sodium aluminate solutions
US5427750A (en) *	1993-10-29	1995-06-27	Nalco Chemical Company	Polymers for removing humates from bayer process liquors
FR2736908B1 (fr) *	1995-07-20	1997-08-29	Pechiney Aluminium	Procede d'epuration des solutions d'aluminate de sodium contenant de l'oxalate de sodium
FR2785895B1 (fr) *	1998-11-16	2001-01-19	Pechiney Aluminium	Procede d'epuration des liqueurs d'aluminate de sodium contenant de l'oxalate de sodium permettant d'augmenter la quantite d'hydrate d'alumine produit
CN105800655B (zh) *	2016-03-24	2018-01-23	中铝山东有限公司	草酸钠混合种子、从铝酸钠溶液析出草酸钠的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2981600A (en) *	1952-12-01	1961-04-25	Kaiser Aluminium Chem Corp	Process of purifying caustic aluminate liquors
US2935376A (en) *	1957-04-08	1960-05-03	Kaiser Aluminium Chem Corp	Process of precipitating alumina hydrate from a pregnant caustic aluminate liquor
US3372985A (en) *	1963-02-20	1968-03-12	Kaiser Aluminium Chem Corp	Process for removing impurities from the precipitation system of the bayer process
US3649185A (en) *	1967-08-23	1972-03-14	Showa Denko Kk	Method for removing impurities in the bayer process
FR2126059B1 (no) *	1971-02-22	1973-11-23	Pechiney Ugine Kuhlmann
JPS53400B2 (no) *	1972-12-06	1978-01-07
DE2553870C3 (de) *	1975-11-29	1980-08-14	Ernst Dr. 5300 Bonn Schultze-Rhonhof	Verfahren zur Herstellung von Oxalsäure

1979
- 1979-12-13 US US06/103,349 patent/US4263261A/en not_active Expired - Lifetime
- 1979-12-18 AU AU53964/79A patent/AU520320B2/en not_active Ceased
- 1979-12-18 CA CA342,116A patent/CA1111229A/en not_active Expired
- 1979-12-19 IN IN1324/CAL/79A patent/IN151983B/en unknown
- 1979-12-19 NO NO794175A patent/NO154793C/no unknown
- 1979-12-21 EP EP79105319A patent/EP0013407B1/en not_active Expired
- 1979-12-21 BR BR7908477A patent/BR7908477A/pt unknown
- 1979-12-21 DE DE7979105319T patent/DE2966848D1/de not_active Expired

Also Published As

Publication number	Publication date
EP0013407A1 (en)	1980-07-23
US4263261A (en)	1981-04-21
NO154793C (no)	1986-12-29
AU5396479A (en)	1980-06-26
NO154793B (no)	1986-09-15
BR7908477A (pt)	1980-07-22
EP0013407B1 (en)	1984-03-21
AU520320B2 (en)	1982-01-28
IN151983B (no)	1983-09-17
DE2966848D1 (en)	1984-04-26
CA1111229A (en)	1981-10-27

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