## Abstract The search for a method to fabricate monolithic inorganic columns has attracted significant recent attention due to their unique ability in separation applications of various biomolecules. Silica and polymer based monolithic columns have been prepared, but titania and other metal oxide
Drying processes for preparation of titania aerogel using supercritical carbon dioxide
β Scribed by Yusuke Shimoyama; Yusuke Ogata; Ryota Ishibashi; Yoshio Iwai
- Book ID
- 108091723
- Publisher
- Institution of Chemical Engineers
- Year
- 2010
- Tongue
- English
- Weight
- 516 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0263-8762
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## Abstract BACKGROUND: Supercritical drying (SCD) of aerogels entails replacement of the primary solvent ethanol in the porous solid network with supercritical carbon dioxide (SCCO~2~) without a vaporβliquid interface to avoid collapse of the pores by capillary forces. The present paper proposes a
Titania/silica mesoporous composites have been prepared with nanoscale casting process using activated carbon as template in supercritical carbon dioxide (SC CO 2 ). The composite precursor of tetrabutyl titanate and tetraethyl orthosilicate (TEOS) were dissolved in supercritical CO 2 , and then coa