Patent ID: 9505673
Filing Date: 2016-11-29
CPC Classification: B01J,C07C,C23C,C25D,Y02P

Claim Text:
1. A process comprising: introducing in a reactor a stream (A) comprising 95 to 100 wt % ethanol, optionally water, optionally an inert component, contacting said stream (A) with a catalyst in said reactor at conditions effective to dehydrate at least a portion of the ethanol to make ethylene; recovering from said reactor an olefin containing stream (B); wherein the catalyst is: a phosphorus modified crystalline silicate comprising FER having a Si/Al ratio ranging from 25 to 90; wherein the weight hourly space velocity (WHSV) of the alcohol is at least 4 h wherein the dehydration exhibits an ethylene selectivity of at least 96%.