Hydrogen-rich gas production from wet biomass steam gasification with CaO/MgO

被引：77

作者：

Zhang, Bo ^{[1
,2
]}

Zhang, Li ^{[1
,2
]}

Yang, Zhongqing ^{[1
,2
]}

Yan, Yunfei ^{[1
,2
]}

Pu, Ge ^{[1
,2
]}

Guo, Mingnv ^{[1
]}

机构：

[1] Chongqing Univ, Minist Educ China, Key Lab Lowgrade Energy Utilizat Technol & Syst, Chongqing 400044, Peoples R China

[2] Chongqing Univ, Coll Power Engn, Chongqing 400044, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 29期

基金：

中国国家自然科学基金;

关键词：

Wet biomass; Gasification; Hydrogen; Sorbent; GENERATION; REACTIVITY; CATALYSTS; CAPTURE; ASH; TAR; CAO;

D O I：

10.1016/j.ijhydene.2015.05.075

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：

This study investigated the hydrogen production during steam gasification with biomass and a novel sorbent. The biomass sample originated from Ficus lacor leaves with a moisture content of 35 wt.%. The sorbent was prepared by heating the mixture of pre-calcined dolomite, limestone and water at 850 degrees C for 3 h. Gasification experiments were carried out in a fixed-bed system to study the potential of hydrogen production from steam gasification of wet biomass with the sorbent. The results showed that sorbent with a mass ratio of 1 demonstrated the highest activity toward hydrogen production. This finding must be due to its higher BET surface area. With increasing gasification temperature from 450 to 950 degrees C, highest hydrogen yield (204.6 ml/g(-biomass)) was achieved at 850 degrees C. Steam to biomass mass ratio of 0.5 and sorbent to biomass mass ratio of 0.7 seemed to be optimal during gasification. The enhancement decreased rapidly after the sorbent was repeated regeneration because of sintering and aggregation. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：8816 / 8823

页数：8

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