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车载甲醇在线重整制氢高性能铜锌铝催化剂的研究
Authors
刘运权
叶跃元
+4 more
李水荣
浦云川
王夺
黄骁
Publication date
16 November 2018
Publisher
'Kansas Academy of Science'
Doi
Cite
Abstract
为了扩展传统铜锌铝催化剂在车载甲醇自热式重整(ATRM)制氢过程中的应用,采用反向共沉淀法制备了不同铜锌摩尔比的铜锌铝氧化物催化剂,并与工业铜锌铝催化剂SCST-401进行比较。结果发现,该类催化剂的性能随着铜锌摩尔比的增加而提高。其中,Cu30Zn10Al催化剂在200600℃范围内具有最佳的ATRM反应性能,而不含铜的催化剂Zn40Al在500600℃高温下具有与Cu20Zn20Al和Cu10Zn30Al相近的活性。此外,Cu30Zn10Al催化剂与商用催化剂SCST-401的甲醇转化率也相近,但前者铜的摩尔分数却远小于后者,且性能更稳定。在200300℃的低温下其ATRM反应表现出更高的活性。国家自然科学基金(NSFC-21276214);;福建省科技厅重点项目(2016H6024);;福建省自然科学基金(2015J05033
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Last time updated on 10/06/2020