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It has been demonstrated that the main diffusion paths of micro- and meso-porous UL-zeolites could be characterized from the Zero Length Column (ZLC) desorption curves with an appropriate theoretical analysis (Malekian et al., in Ind. Eng. Chem. Res. 46:5067, 2007). The present work extends this method to study the ZLC desorption data of n-heptane/cumene/mesitylene in three mesoporous SBA-15 samples,...
The last several years have seen a dramatic increase in the synthesis of new nanoporous materials. The promising ones include mesoporous molecular sieves (MMS) which are being developed as inorganic systems with 20–300 Å in pore dimensions, and having a narrow pore-size distribution. More recently significant efforts have been made to obtain MMS materials with enhanced hydrothermal stability and acidity...
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