Nanocasting of novel, designer-structured catalyst supports
Rigby, S. P., Beanlands, K., Evbuomwan, I. O., Watt-Smith, M. J., Edler, K. J. and Fletcher, R. S., 2004. Nanocasting of novel, designer-structured catalyst supports. Chemical Engineering Science, 59 (22-23), pp. 5113-5120.
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Highly structured catalyst support pellets have been produced that possess multiple, but regiospecific and well-defined, pore geometries. Mesoporous silica pellets with controlled pore sizes have been synthesized using one type of pore template for the pellet core zone, while using a different type of template for the surrounding shell region. These materials offer the potential of adding precisely engineered diffusion barriers to the outside of structured catalyst supports, or providing different environments for pore structure-sensitive reactions in different parts of a catalyst pellet. The pore structures of the newly synthesized materials have been characterized using the recently introduced, integrated nitrogen sorption and mercury porosimetry technique. The data arising from the latter type of expts. on materials with cylindrical channels has been analyzed using both the conventional BJH pore diam. technique, and also a new anal. method that can det. both the pore length distribution and interconnectivity. The transport properties of the new materials have also been assessed. [on SciFinder (R)]
|Creators||Rigby, S. P., Beanlands, K., Evbuomwan, I. O., Watt-Smith, M. J., Edler, K. J. and Fletcher, R. S.|
|Uncontrolled Keywords||pore size, pore size distribution, nanocasting designer structured catalyst support, diffusion, nanocasting of designer-structured catalyst supports), catalyst supports, casting process (nano-, transport properties (nanocasting of designer-structured catalyst supports), pore structure|
|Departments||Faculty of Engineering & Design > Chemical Engineering|
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