Effect of Acid Modification on the Structure and Catalytic Activity of Aluminum Oxide
β Scribed by A. A. Lamberov; R. G. Romanova; I. G. Shmelev; V. F. Sopin
- Book ID
- 110345846
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2002
- Tongue
- English
- Weight
- 51 KB
- Volume
- 75
- Category
- Article
- ISSN
- 1070-4272
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π SIMILAR VOLUMES
X-ray diffraction, differential thermal analysis and specific surface area measurements have been employed to understand the structural properties of ZrO2 and sulphate-modified ZrO2 calcined at different temperatures. Calcination facilitates the transformation of ZrO2 from cubic to monoclinic phase.
## Abstract The catalytic activity of an aluminum complex/silanol system was found to vary with the aluminum ligand as follows: Ξ²βdiketonate < Ξ²βketoester anion < orthoβcarbonylphenolate. Aluminum complexes with electron donating groups conjugated with a carbonyl group had higher catalytic activity