Conversion of biodiesel synthesis waste to hydrogen in membrane reactor: Theoretical study of glycerol steam reforming

被引：47

作者：

Saidi, Majid ^{[1
]}

Moradi, Pantea ^{[1
]}

机构：

[1] Univ Tehran, Coll Sci, Sch Chem, POB 14155-6455, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 15期

基金：

美国国家科学基金会;

关键词：

Glycerol steam reforming; Biodiesel; Transport phenomena; Modeling; Hydrogen; FLARE GAS RECOVERY; OXIDE FUEL-CELL; MATHEMATICAL-MODEL; SYNGAS PRODUCTION; PERFORMANCE; KINETICS; SIMULATION; SEPARATION; ALLOY; PLANT;

D O I：

10.1016/j.ijhydene.2020.01.064

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：

Hydrogen production from waste glycerol, mainly producible as a by-product of biodiesel synthesis, is investigated as an attractive opportunity for exploiting renewable energy sources for further applications. Glycerol steam reforming using membrane technology was modeled by taking into accounts the maim transport phenomena, thermodynamic criteria and chemical process kinetics. A sensitivity analysis of operating conditions was made for key performance metrics such as glycerol conversion, hydrogen yield and hydrogen recovery. Glycerol conversion intensifies with enhancement of operating pressure and temperature, whereas high feed molar ratio and sweep ratio have limiting effect. Hydrogen permeation and subsequently, hydrogen recovery facilitates with increasing sweep gas ratio and sweep gas temperature. Hydrogen recovery enhances from 70% to 99% with increasing temperature from 350 to 500 degrees C at feed molar ratio of 3. Also, hydrogen recovery improves from 50% to 71% with increasing sweep ratio from 0 to 20 at 350 degrees C and 1 bar. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：8715 / 8726

页数：12

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