Microporous crystalline silico-alumino-phosphate (SAPO) compositions, catalytic materials comprising the composition, and use of these for production of olefins from methanol. The catalysts contain silico-alumino-phosphate materials with AEI/CHA-mixed phase composition. The catalysts have prolonged life compared to those belonging to the prior art.

Composições cristalinas microporous do silico-alumino-silico-alumino-phosphate (SAPO), materiais catalytic que compreendem a composição, e uso destes para a produção dos olefins do metanol. Os catalizadores contêm materiais do silico-alumino-silico-alumino-phosphate com composição da fase de AEI/CHA-mixed. Os catalizadores prolongaram a vida comparada àquelas que pertencem à arte prévia.

 
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