The K+ free pure silica form of polymorph C (BEC) of β-zeolite has been synthesized with a cationic organic structure directing agent (SDA) that was predicted best, out of a series of nine potentials, by means of modeling techniques. On the bases of this synthesis method, the Ti−BEC zeolite has been obtained which owing to the pore topology and dimensions shows a higher epoxidation activity than the Ti−β-polymorph either with H2O2 or organic peroxides as oxidants.
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Moliner et al. (2008) studied this question.
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