化学链技术在低碳制氢领域的研究进展

被引:18
作者
郑浩 [1 ]
孙朝 [2 ]
曾亮 [1 ]
机构
[1] 天津大学化工学院绿色合成与转化教育部重点实验室
[2] 中南大学能源科学与工程学院
基金
国家重点研发计划;
关键词
制氢; 化学链; 氧载体;
D O I
暂无
中图分类号
TQ116.2 [氢气];
学科分类号
0817 ;
摘要
化学链技术可以在能量转化的同时实现气体分离,为低碳氢气的生产提供一条清洁高效的路线。本文对化学链制氢过程的特点进行介绍,分析三床化学链自热重整制氢和吸收增强式化学链制氢过程的设计原则,并总结循环载体研究与开发进展。从热力学角度对金属氧化物进行分类,引入平衡线与操作线分析铁基化学链制氢系统中氧载体和反应器内部气固流动形式的匹配,指导整体系统的设计优化。对吸收增强式化学链制氢过程的开发进行回顾,引入二氧化碳载体可以推动反应平衡向氢气生成方向移动,节省水蒸气用量,直接得到高纯度氢气,强化低碳制氢流程。对国内外循环载体材料的发展以及反应机理的探究进行总结,发现其中双金属氧载体材料性能突出,有待进一步研究。
引用
收藏
页码:313 / 329
页数:17
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