Enhancement of membrane hydrogen separation on glycerol steam reforming in a fluidized bed reactor

被引：23

作者：

Yang, Xuesong ^{[1
]}

Wang, Shuai ^{[1
]}

Li, Zhenjie ^{[1
]}

Zhang, Kai ^{[1
]}

Li, Bowen ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2018年 / 43卷 / 41期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Glycerol steam reforming; Membrane separation; Fluidized bed; Numerical simulation; Hydrogen; CRUDE GLYCEROL; H-2; PRODUCTION;

D O I：

10.1016/j.ijhydene.2018.08.069

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Membrane hydrogen separation can effectively promote fuel conversion and hydrogen yield by means of altering chemical equilibrium of reforming reactions. In this work, the enhancing process of glycerol steam reforming via a fluidized bed membrane reactor is numerically investigated. Under the framework of the Euler-Euler method, chemical kinetic model is implemented and the reforming performance with and without membrane separation is compared. The effect of densified zones caused by membrane separation is examined. Meanwhile, the impacts of operating parameters including hydrogen partial pressure on the permeate side and fuel gas velocity on densified zones and hydrogen yield are evaluated. The results demonstrate that the excessive reduction of hydrogen partial pressure on the permeate side and the increase of feed gas velocity are detrimental to fuel conversion and hydrogen yield. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：18863 / 18872

页数：10

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