发明授权
US07067108B2 Chabazite-type molecular sieve, its synthesis and its use in the conversion of oxygenates to olefins 有权
菱沸石型分子筛,其合成及其在含氧化合物转化为烯烃中的应用

Chabazite-type molecular sieve, its synthesis and its use in the conversion of oxygenates to olefins
摘要:
The synthesis of a crystalline material, in particular a high silica zeolite, having a chabazite-type framework is aided by the addition to the synthesis mixture of seeds of an AEI framework-type material. The chabazite-type product has a relatively small crystal size and exhibits activity and selectivity in the conversion of methanol to lower olefins, especially ethylene and propylene.
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