ES2139497A1 - Procedimiento de purificacion de mullita por reduccion de impurezas a especies volatiles. - Google Patents
Procedimiento de purificacion de mullita por reduccion de impurezas a especies volatiles.Info
- Publication number
- ES2139497A1 ES2139497A1 ES009700387A ES9700387A ES2139497A1 ES 2139497 A1 ES2139497 A1 ES 2139497A1 ES 009700387 A ES009700387 A ES 009700387A ES 9700387 A ES9700387 A ES 9700387A ES 2139497 A1 ES2139497 A1 ES 2139497A1
- Authority
- ES
- Spain
- Prior art keywords
- mullite
- purification
- reduction
- volatile impurities
- degree
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Procedimiento de purificación de mullita por reducción de impurezas a especies volátiles, mediante tratamientos térmicos a temperaturas comprendidas entre 1300ºC y 1500ºC , durante tiempos generalmente comprendidos entre 1 y 24 horas, y en atmósferas controladas de muy baja presión parcial de O{sub,2 , para su uso como refractario y en la fabricación de materiales cerámicas avanzados y composites.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9700387A ES2139497B1 (es) | 1997-02-24 | 1997-02-24 | Procedimiento de purificacion de mullita por reduccion de impurezas a especies volatiles. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9700387A ES2139497B1 (es) | 1997-02-24 | 1997-02-24 | Procedimiento de purificacion de mullita por reduccion de impurezas a especies volatiles. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2139497A1 true ES2139497A1 (es) | 2000-02-01 |
ES2139497B1 ES2139497B1 (es) | 2000-11-01 |
Family
ID=8298375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9700387A Expired - Fee Related ES2139497B1 (es) | 1997-02-24 | 1997-02-24 | Procedimiento de purificacion de mullita por reduccion de impurezas a especies volatiles. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2139497B1 (es) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61197417A (ja) * | 1985-02-08 | 1986-09-01 | Toyo Sutoufuaa Chem:Kk | 高純度ムライト粉末の製造法 |
JPH0365555A (ja) * | 1989-08-03 | 1991-03-20 | Mitsubishi Materials Corp | ムライト系焼結体及びその製造方法 |
-
1997
- 1997-02-24 ES ES9700387A patent/ES2139497B1/es not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61197417A (ja) * | 1985-02-08 | 1986-09-01 | Toyo Sutoufuaa Chem:Kk | 高純度ムライト粉末の製造法 |
JPH0365555A (ja) * | 1989-08-03 | 1991-03-20 | Mitsubishi Materials Corp | ムライト系焼結体及びその製造方法 |
Non-Patent Citations (4)
Title |
---|
BASE DE DATOS HCAPLUS en STN, Chemical Abstract Service (Columbus, Ohio, USA), AN-1978:54176. LYSAK, S.V. et al. Study of the effect of a gaseous atmosphere on the mullitization of aluminosilicates. Resumen. Izu. Akad. Nauk SSSR, Neorg. Mater. 1977, Vol. 13, No 9, paginas 1686-90 (ruso). * |
BASE DE DATOS WPI en Derwent, semana 199118, Londres: Derwent Publications Ltd., AN-1991-128009, & JP 3065555 A (MITSUBISHI MINING & CEMENT CO) * |
BASE DE DATOS WPI en Derwent, semana 199236, Londres: Derwent Publications Ltd., AN-1986-269439, & JP 61197417 A (TOYO STAUFFER CHEM CO) * |
GARDNER, R.A. et al. High temperature loss of silica from zircon and refractory silicates. J. Electrochem. Soc. 1975, Vol. 122, No 2, paginas 205-211 * |
Also Published As
Publication number | Publication date |
---|---|
ES2139497B1 (es) | 2000-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20000201 Kind code of ref document: A1 Effective date: 20000201 |
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GD2A | Contractual licences |
Effective date: 20131030 |
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FD2A | Announcement of lapse in spain |
Effective date: 20170531 |