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Uniform mesoporosity has been effectively developed in hierarchical Beta zeolite by means of a hydrothermal treatment at 110°C with an ammonia/surfactant solution. As a result, the broad pore size distribution, existing within the supermicropore-mesopore range in the parent hierarchical Beta sample, was rearranged into a uniform one centred at 40Å. In contrast, this treatment was less effective when...
In this work, the extrusion process of titanium silicalite (TS-1) zeolite has been investigated and optimized in order to obtain materials with convenient catalytic and mechanical properties for their application in the propylene epoxidation with hydrogen peroxide using fixed bed reactors. Thereby, a variety of TS-1 samples were prepared having particle sizes comprised between 0.2 and 0.7μm. It has...
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