公开(公告)号：US11260367B2

公开(公告)日：2022-03-01

申请号：US16217385

申请日：2018-12-12

申请人： Instituto Nacional de Tecnologia ,  Braskem S.A.

发明人： Marco Andre Fraga ,  Lucia Gorenstin Appel ,  Alexandre Barros Gaspar ,  Felipe Jorge Lima da Silveira ,  Andrea Maria Duarte de Farias ,  Clarissa Perdomo Rodrigues ,  Fabio Bellot Noronha ,  Roberto Werneck do Carmo ,  Andrea Marins de Oliveira ,  Luiza Roza

IPC分类号： B01J21/04 ,  B01J21/06 ,  B01J23/10 ,  B01J35/02 ,  C07C1/24 ,  B01J37/00 ,  B01J8/00 ,  C07C11/04

摘要： The present invention relates to a catalytic system for the preparation of light olefins through the dehydration of alcohols, including at least one catalyst and at least one co-catalyst, wherein the catalyst is selected from among catalysts for the catalytic dehydration of ethanol and with the co-catalyst selected from among oxy-ketonization reaction catalysts, wherein the catalyst:co-catalyst mass ratio is within a range of 0.5:0.125 to 2:10, and preferably within a range of 1:0.25 to 1:5.