BR8705200A - Metodo de obtencao de alumina especial a partir de po produzido na calcinacao de alumina metalurgica - Google Patents
Metodo de obtencao de alumina especial a partir de po produzido na calcinacao de alumina metalurgicaInfo
- Publication number
- BR8705200A BR8705200A BR8705200A BR8705200A BR8705200A BR 8705200 A BR8705200 A BR 8705200A BR 8705200 A BR8705200 A BR 8705200A BR 8705200 A BR8705200 A BR 8705200A BR 8705200 A BR8705200 A BR 8705200A
- Authority
- BR
- Brazil
- Prior art keywords
- alumines
- calcination
- point produced
- obtaining special
- metallurgical aluminum
- Prior art date
Links
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
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
- C01F7/442—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive
-
- 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
- C01F7/021—After-treatment of oxides or hydroxides
-
- 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
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/15—Comminution
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES8702105A ES2004759A6 (es) | 1987-07-17 | 1987-07-17 | Metodo de obtencion de alumina especial a partir del polvo producido en la calcinacion de alumina metalurgica |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8705200A true BR8705200A (pt) | 1989-02-14 |
Family
ID=8251798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8705200A BR8705200A (pt) | 1987-07-17 | 1987-09-18 | Metodo de obtencao de alumina especial a partir de po produzido na calcinacao de alumina metalurgica |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4797270A (pt) |
| AU (1) | AU582057B2 (pt) |
| BR (1) | BR8705200A (pt) |
| CA (1) | CA1288213C (pt) |
| DE (1) | DE3730947A1 (pt) |
| ES (1) | ES2004759A6 (pt) |
| FR (1) | FR2618166B1 (pt) |
| GR (1) | GR871389B (pt) |
| IE (1) | IE61478B1 (pt) |
| IN (1) | IN168196B (pt) |
| IT (1) | IT1211490B (pt) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3809693A1 (de) * | 1988-03-23 | 1989-10-12 | Hoechst Ceram Tec Ag | Verfahren zur herstellung von keramikfoliengiessmassen fuer duennfilmschaltungen |
| AU6022796A (en) * | 1995-05-17 | 1996-11-29 | Aluchem, Inc. | Method and apparatus for making high-grade alumina from low- grade aluminum oxide fines |
| CN1167500C (zh) * | 1998-09-14 | 2004-09-22 | 国际壳牌研究有限公司 | 用于由催化剂表面除去可离子化物质以提高催化性能的方法 |
| US7504525B2 (en) * | 1998-09-14 | 2009-03-17 | Shell Oil Company | Catalyst composition |
| US7232918B2 (en) * | 2001-11-06 | 2007-06-19 | Shell Oil Company | Catalyst composition |
| BR9913602A (pt) * | 1998-09-14 | 2001-05-22 | Shell Int Research | Transportador de catalisador de epoxidação, preparação e uso do mesmo |
| US7232786B2 (en) * | 1998-09-14 | 2007-06-19 | Shell Oil Company | Catalyst composition |
| ES2182684B2 (es) * | 2001-03-26 | 2004-08-01 | Universidade De Santiago De Compostela | Procedimiento de obtencion de fibras cristalinas de a-alumina (corindon) a partir de aluminio y silice (cuarzo), en atmosferas controladas conteniendo gases de metales de transicion. |
| US20040225138A1 (en) | 2003-05-07 | 2004-11-11 | Mcallister Paul Michael | Reactor system and process for the manufacture of ethylene oxide |
| KR20050120814A (ko) | 2003-05-07 | 2005-12-23 | 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 | 은-함유 촉매 및 이의 제조 방법 및 사용 방법 |
| US20040224841A1 (en) * | 2003-05-07 | 2004-11-11 | Marek Matusz | Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof |
| TW200613056A (en) * | 2004-04-01 | 2006-05-01 | Shell Int Research | A process for preparing a silver catalyst, the catalyst, and a use of the catalyst for olefin oxidation |
| TW200600190A (en) * | 2004-04-01 | 2006-01-01 | Shell Int Research | Process for preparing a silver catalyst, the catalyst, and use thereof in olefin oxidation |
| TW200602123A (en) * | 2004-04-01 | 2006-01-16 | Shell Int Research | Process for preparing a catalyst, the catalyst, and a use of the catalyst |
| US7835868B2 (en) * | 2004-09-24 | 2010-11-16 | Shell Oil Company | Process for selecting shaped particles for use in a packed bed |
| CA2669585A1 (en) | 2006-11-20 | 2008-05-29 | Shell Internationale Research Maatschappij B.V. | A process for treating a carrier, a process for preparing a catalyst, the catalyst, and use of the catalyst |
| ES2324145B2 (es) * | 2008-11-05 | 2010-02-12 | Universidad De Oviedo | Procedimiento para la obtencion de sulfatos de aluminio, alumina abrasiva y alumbres de potasio y amonio a partir de polvos de electrofiltro de un proceso bayer. |
| WO2010069690A1 (en) * | 2008-12-17 | 2010-06-24 | Evonik Degussa Gmbh | Process for preparing an aluminium oxide powder having a high alpha-al2o3 content |
| CN102463141B (zh) | 2010-11-02 | 2015-05-06 | 中国石油化工股份有限公司 | 一种氧化铝载体、其制备方法、由其制成的银催化剂及其应用 |
| TWI632954B (zh) | 2013-05-16 | 2018-08-21 | 科學設計股份有限公司 | 改善環氧乙烷觸媒的催化效能之載體處理 |
| CN103435079B (zh) * | 2013-09-04 | 2015-03-18 | 化工部长沙设计研究院 | 一种含铝硅酸盐矿物低温分解生产氧化铝的工艺 |
| CN104556177B (zh) * | 2013-10-22 | 2016-06-22 | 中国石油化工股份有限公司 | 片状纳米γ-Al2O3及其制备方法 |
| CN104556178B (zh) * | 2013-10-22 | 2016-03-30 | 中国石油化工股份有限公司 | 一种多晶γ-氧化铝的制备方法 |
| CN104556162B (zh) * | 2013-10-22 | 2016-04-13 | 中国石油化工股份有限公司 | 片状多晶γ-氧化铝及其制备方法 |
| CN103641133B (zh) * | 2013-11-25 | 2015-12-02 | 天津大学 | 粉煤灰合成的方钠石沸石及方法 |
| CN104495892B (zh) * | 2014-12-06 | 2015-12-02 | 中国铝业股份有限公司 | 一种α-氧化铝微粉除硅方法 |
| CN106140180B (zh) * | 2015-04-21 | 2018-06-19 | 中国石油化工股份有限公司 | 一种重油加氢催化剂及其制备方法 |
| CN115073147A (zh) * | 2022-06-28 | 2022-09-20 | 浙江自立新材料股份有限公司 | 一种低钠及超低钠板状烧结刚玉的制备方法 |
| CN116081663A (zh) * | 2023-01-31 | 2023-05-09 | 中铝山东新材料有限公司 | 一种低钠微晶α-氧化铝的制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175883A (en) * | 1961-06-05 | 1965-03-30 | Aluminium Lab Ltd | Process for reducing the soda content of alumina |
| NL293754A (pt) * | 1962-06-14 | |||
| DE2816194A1 (de) * | 1978-04-14 | 1979-10-25 | Giulini Chemie | Sinteraktive und alkaliarme tonerde |
| HU185474B (en) * | 1981-11-10 | 1985-02-28 | Almasfuezitoei Timfoeldgyar | Process for preparing alpha-aluminium oxyde poor in alkali for ceramic purposes |
| DE3212297C2 (de) * | 1982-03-29 | 1984-12-13 | Schweizerische Aluminium Ag, Chippis | Verfahren zur Herstellung grobkristalliner Tonerde |
| ATE26819T1 (de) * | 1982-08-24 | 1987-05-15 | Alusuisse | Verfahren zur herstellung von kristalliner tonerde. |
| US4634581A (en) * | 1983-08-03 | 1987-01-06 | Atlantic Richfield Company | Production of high purity alumina |
| US4568527A (en) * | 1984-11-06 | 1986-02-04 | Kaiser Aluminum & Chemical Corporation | Utilization of partially calcined alumina as precipitation aid in the Bayer process |
| US4615875A (en) * | 1986-02-03 | 1986-10-07 | Allied Corporation | Process for preparing high purity alpha-alumina |
-
1987
- 1987-07-17 ES ES8702105A patent/ES2004759A6/es not_active Expired
- 1987-09-03 US US07/092,674 patent/US4797270A/en not_active Expired - Lifetime
- 1987-09-07 GR GR871389A patent/GR871389B/el unknown
- 1987-09-08 FR FR878712448A patent/FR2618166B1/fr not_active Expired - Fee Related
- 1987-09-14 CA CA000546826A patent/CA1288213C/en not_active Expired - Fee Related
- 1987-09-14 IE IE248987A patent/IE61478B1/en not_active IP Right Cessation
- 1987-09-15 DE DE19873730947 patent/DE3730947A1/de active Granted
- 1987-09-16 IN IN811/DEL/87A patent/IN168196B/en unknown
- 1987-09-17 AU AU78485/87A patent/AU582057B2/en not_active Ceased
- 1987-09-18 BR BR8705200A patent/BR8705200A/pt not_active IP Right Cessation
- 1987-10-06 IT IT8767845A patent/IT1211490B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| AU7848587A (en) | 1988-12-22 |
| FR2618166A1 (fr) | 1989-01-20 |
| AU582057B2 (en) | 1989-03-09 |
| GR871389B (en) | 1988-01-12 |
| IE61478B1 (en) | 1994-11-02 |
| IN168196B (pt) | 1991-02-16 |
| IT8767845A0 (it) | 1987-10-06 |
| IT1211490B (it) | 1989-11-03 |
| IE872489L (en) | 1989-01-17 |
| DE3730947A1 (de) | 1989-01-26 |
| US4797270A (en) | 1989-01-10 |
| ES2004759A6 (es) | 1989-02-01 |
| CA1288213C (en) | 1991-09-03 |
| FR2618166B1 (fr) | 1991-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR8705200A (pt) | Metodo de obtencao de alumina especial a partir de po produzido na calcinacao de alumina metalurgica | |
| GB2185997B (en) | Laboratory flask | |
| ES541151A0 (es) | Un procedimiento de fabricacion de objetos a partir de alea-ciones de aluminio | |
| EP0212980A3 (en) | Method for the production of polymethyl methacrylate | |
| FR2602496B1 (fr) | Boite composite | |
| FR2560764B1 (fr) | Davier pour la reduction de fracture | |
| IT1217608B (it) | Processo per la preparazione di epossidi | |
| FR2586909B1 (fr) | Forme pour la fabrication de chaussures | |
| IT8567779A0 (it) | Procedimento per la finitura di ingranaggi temprati | |
| IT8612513A0 (it) | Macchina per la fabbricazione di gnocchetti o troffiette di recco | |
| ES522398A0 (es) | Procedimiento continuo de obtencion de compuestos de aluminio a partir de silicatos aluminicos y otros minerales de alu-minio. | |
| DK0417863T3 (da) | Krystallinske aluminiumphosphater | |
| FR2630235B1 (fr) | Procede pour la determination de la forme exterieure d'un corps en tomographie | |
| BR8707694A (pt) | Processo para a preparacao de eteres alquiltercbutilicos | |
| FR2600322B2 (fr) | Procede de preparation d'un chlorosulfate d'aluminium basique | |
| IT216246Z2 (it) | Tessera individuale per la progressiva indicazione delle scadenze infracontrattuali | |
| RO93847A2 (ro) | Metoda pentru determinarea coeficientului de rugozitate al galeriilorhidrotehnice | |
| IT1198035B (it) | Metodo per la fabbricazione di filetti | |
| FR2635384B1 (fr) | Procede pour la determination analytique de l'acetylcyanamide | |
| BR8704557A (pt) | Processo de calcinacao de solidos | |
| BR8604989A (pt) | Metodo de acabamento de paredes | |
| PT81981B (pt) | Processo de preparacao dum derivado de 3(4h)-quinazolinona | |
| GB2190074B (en) | Basic aluminium sulphate | |
| IT8584105A0 (it) | Concio in laterizio per la formazione di travetti laterocementizi armati | |
| IT1151874B (it) | Metodo per consentire l'adesione di antisieri a micropiastre per la determinazione di gruppi sanguigni |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 18/09/2002 |