JP2009196854A5 - - Google Patents
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- Publication number
- JP2009196854A5 JP2009196854A5 JP2008041123A JP2008041123A JP2009196854A5 JP 2009196854 A5 JP2009196854 A5 JP 2009196854A5 JP 2008041123 A JP2008041123 A JP 2008041123A JP 2008041123 A JP2008041123 A JP 2008041123A JP 2009196854 A5 JP2009196854 A5 JP 2009196854A5
- Authority
- JP
- Japan
- Prior art keywords
- alumina powder
- rehydrating
- firing
- particle size
- size distribution
- 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.)
- Pending
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Description
すなわち本発明は、粒度分布の四分偏差値が１．５以下である再水和性アルミナ粉末を９０℃以上にて再水和させたのち、焼成することを特徴とする活性アルミナの製造方法を提供するものである。 That is, the present invention provides a method for producing activated alumina, characterized by rehydrating a rehydratable alumina powder whose particle size distribution has a quarter deviation value of 1.5 or less at 90 ° C. or higher and then firing the rehydrated alumina powder. Is to provide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008041123A JP2009196854A (en) | 2008-02-22 | 2008-02-22 | Method for producing active alumina |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008041123A JP2009196854A (en) | 2008-02-22 | 2008-02-22 | Method for producing active alumina |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009196854A JP2009196854A (en) | 2009-09-03 |
| JP2009196854A5 true JP2009196854A5 (en) | 2011-02-10 |
Family
ID=41140800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008041123A Pending JP2009196854A (en) | 2008-02-22 | 2008-02-22 | Method for producing active alumina |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2009196854A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5667778B2 (en) * | 2010-03-30 | 2015-02-12 | 住友化学株式会社 | Method for producing catalyst carrier and catalyst carrier |
| CN104829218B (en) * | 2015-04-20 | 2017-01-11 | 浙江自立新材料股份有限公司 | Bimodal active alumina micropowder and preparation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56149320A (en) * | 1980-04-21 | 1981-11-19 | Sumitomo Alum Smelt Co Ltd | Manufacture of activated alumina molding with low density |
| JP3569969B2 (en) * | 1994-08-26 | 2004-09-29 | 住友化学工業株式会社 | Method for producing flaky rehydratable alumina |
| JP2005263529A (en) * | 2004-03-17 | 2005-09-29 | Sumitomo Chemical Co Ltd | Method for producing activated alumina having low alkali content |
-
2008
- 2008-02-22 JP JP2008041123A patent/JP2009196854A/en active Pending
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