Uop Lcc

Andrew W Broerman

Andrea G Bozzano

R Joe Lawson

Dean E Rende

Karl Z Steigleder

Masao Takayama

Paolo Palmas

Brian W Hedrick

Daniel N Myers

Michael C Newman

Agnieszka Ziolkiewicz-Dydak

A reactor conduit discharges into a disengaging chamber that is directly connected to a separator. A dipleg of the separator is directly connected to the disengaging chamber or to an intermediate chamber which is in direct communication with the disengaging chamber.

Apparatus and process for minimizing catalyst residence time in a reactor vessel

This invention relates to a dehydrogenation process using a layered catalyst composition. The catalyst composition comprises an inner core such as alpha-alumina, and an outer layer bonded to the inner core composed of an outer refractory inorganic oxide such as gamma-alumina. The outer layer has uniformly dispersed thereon a platinum group metal such as platinum and a promoter metal such as tin. The composition also contains a modifier metal such as lithium. The catalyst composition shows improved durability and selectivity for dehydrogenating hydrocarbons, especially at dehydrogenation conditions comprising a low water concentration.

Dehydrogenation process using layered catalyst composition

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Des Plaines, IL, United States of America

Andrew W Broerman