Effect of operating conditions for higher alcohols synthesis from synthesis gas over alkali-modified Co-Rh-Mo trimetallic catalyst supported on multi-walled carbon nanotubes

被引：0

作者：

Surisetty V.R. ^{[1
]}

Kozinski J. ^{[2
]}

Dalai A.K. ^{[1
]}

机构：

[1] University of Saskatchewan, Canada

[2] York University, Canada

来源：

International Journal of Chemical Reactor Engineering | 2011年 / 9卷

关键词：

alkali-promoted MoS2 catalyst; Co promoted; fixed bed reactor; higher alcohols; multi-walled carbon nanotubes; Rh promoter; trimetallic catalyst;

D O I：

10.2202/1542-6580.2697

中图分类号：

学科分类号：

摘要：

The effects of operating conditions on the higher alcohols synthesis reaction from synthesis gas were studied in a single-pass tubular downflow fixed-bed reactor, using sulfided K-promoted trimetallic Co-Rh-Mo catalyst supported on multi-walled carbon nanotubes (MWCNTs). The p CO conversion increased monotonically with increasing reaction temperature (from 275 to 350°C) and pressure (from 800 to 1400 psi), while decreasing monotonically with increasing GHSV (from 2.4 to 4.2 m3 (STP)/(kg of cat./h)). To maximize the ethanol STY and selectivity, the optimum operating conditions were determined as 330°C, 1320 psi, and 3.8 m3 (STP)/kg of cat./h). Maximum ethanol STY and selectivity were obtained using gas with H2 to CO molar ratio around 1.25. Copyright © 2011 The Berkeley Electronic Press. All rights reserved.

引用

共 27 条

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