Ceramic microfluidic monoliths by ice templating


Zheng, Jumeng and Salamon, David and Lefferts, Leon and Wessling, Matthias and Winnubst, Louis (2000) Ceramic microfluidic monoliths by ice templating. Microporous and mesoporous materials, 134 (1-3). pp. 216-219. ISSN 1387-1811

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Abstract:Meso/macro-porous alumina microfluidic monoliths were fabricated by an ice-templating (or freeze-casting) technique. A (green) compact with sufficient strength is obtained after controlled freezing and simple drying under ambient conditions by starting with an aqueous suspension of a mixture of submicrometer-sized α-alumina and nanometer-sized γ-alumina. A monolith with high surface area (30 m2 g−1) is obtained after sintering at 900 °C. The hierarchical structure of these monoliths consists of slit-shaped macro-pores enclosing a meso-porous skeleton with pore sizes from 20 to 60 nm. The advanced porous structure of the monoliths and their easy preparation suggests large potentials for application as flow-through catalyst support.
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Copyright:© 2000 Elsevier
Engineering Technology (CTW)
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/74261
Official URL:https://doi.org/10.1016/j.micromeso.2010.05.012
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