Oxidative Dehydrogenation of Butane to Butadiene and Butene Using a Novel Inert Membrane  Reactor

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Oxidative Dehydrogenation of Butane to Butadiene and Butene Using a Novel Inert Membrane
Reactor

GE Shanhai; LIU Changhou; FAN Yu; WANG Lianjun

Department of Chemical Engineering, Dalian University of Technology, Dalian 116012, China

Received:1900-01-01 Revised:1900-01-01 Online:2000-12-18 Published:2000-12-18
Contact: GE Shanhai

新型惰性膜反应器中丁烷氧化脱氢制丁二烯和丁烯

葛善海; 刘长厚; 范煜; 王连军

Department of Chemical Engineering, Dalian University of Technology, Dalian 116012, China

通讯作者: 葛善海

Abstract

Abstract: The oxidative dehydrogenation of butane to butadiene and butene was studied using a
conventional fixed-bed ractor (FBR), inert membrane reactor (IMR) and mixed inert membrane
reactor (MIMR). When IMR and MIMR were employed, a ceramic membrane modified by partially
coating with glaze was used to distribute oxygen to a fixed-bed of 24-V-Mg-O catalyst. The
oxygen partial pressure in the catalyst bed could be decreased. The effect of feeding modes
and operation conditions were investigated. The selectivity of C4 dehydrogenation products
(butene and butadiene) was found to be higher in IMR than in FBR. The feeding mode with 20%
of air mixing with butane in MIMR was found to be more efficient than the feeding mode with
all air permeating through ceramic membrane. The MIMR gave the most smooth temperature
profile along the bed.

Key words: butane, ceramic membrane, oxidative dehydrogenation, membrane reactor, catalyst/V-Mg-O

摘要： The oxidative dehydrogenation of butane to butadiene and butene was studied using a
conventional fixed-bed ractor (FBR), inert membrane reactor (IMR) and mixed inert membrane
reactor (MIMR). When IMR and MIMR were employed, a ceramic membrane modified by partially
coating with glaze was used to distribute oxygen to a fixed-bed of 24-V-Mg-O catalyst. The
oxygen partial pressure in the catalyst bed could be decreased. The effect of feeding modes
and operation conditions were investigated. The selectivity of C4 dehydrogenation products
(butene and butadiene) was found to be higher in IMR than in FBR. The feeding mode with 20%
of air mixing with butane in MIMR was found to be more efficient than the feeding mode with
all air permeating through ceramic membrane. The MIMR gave the most smooth temperature
profile along the bed.

关键词: butane;ceramic membrane;oxidative dehydrogenation;membrane reactor;catalyst/V-Mg-O

GE Shanhai, LIU Changhou, FAN Yu, WANG Lianjun. Oxidative Dehydrogenation of Butane to Butadiene and Butene Using a Novel Inert Membrane
Reactor[J]. .

葛善海, 刘长厚, 范煜, 王连军. 新型惰性膜反应器中丁烷氧化脱氢制丁二烯和丁烯[J]. CIESC Journal.

References

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