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助剂对泡沫金属微反应器内二甲醚水蒸气重整制氢的影响

海航 ,  闫常峰 ,  胡蓉蓉 ,  郭常青 ,  李文博

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引用本文: 海航, 闫常峰, 胡蓉蓉, 郭常青, 李文博. 助剂对泡沫金属微反应器内二甲醚水蒸气重整制氢的影响[J]. 燃料化学学报, 2013, 41(10): 1210-1216. shu
Citation:  HAI Hang, YAN Chang-feng, HU Rong-rong, GUO Chang-qing, LI Wen-bo. Effect of promoter on performance of hydrogen production from steam reforming of dimethyl ether with a metal foam microreactor[J]. Journal of Fuel Chemistry and Technology, 2013, 41(10): 1210-1216. shu

助剂对泡沫金属微反应器内二甲醚水蒸气重整制氢的影响

    通讯作者: 闫常峰,Tel:020-87057729,E-mail:yancf@ms.giec.ac.cn。
  • 基金项目:

    国家自然科学基金(21276254)。 (21276254)

摘要: 采用共沉淀耦合机械混合法制备了CuO-ZnO-Al2O3/HZSM-5双功能催化剂用于二甲醚水蒸气重整制氢的研究,结合BET、H2-TPR、XRD、SEM等表征手段,在泡沫金属微反应器内考察助剂Cr、Zr、Ce、Co对双功能催化剂催化性能的影响。研究结果表明,加入Cr助剂后, 可以有效降低催化剂的平均孔径和还原温度,并抑制催化剂制备过程中氢氧化锌晶相的形成,催化剂的低温催化性能明显提高,二甲醚的转化率和氢收率在较低温度下即可分别达到99%和95%,表现出了良好的低温反应活性。考察了反应温度、空速和水醚比等条件对二甲醚水蒸气重整催化剂催化活性的影响,在250℃、空速3 884 mL/(g·h)、水醚比为5的条件下,CuO-ZnO-Al2O3-Cr2O3/ HZSM-5催化二甲醚水蒸气重整反应进行50 h,二甲醚的转化率维持在97%以上,催化剂的活性没有明显下降。

English

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  • 收稿日期:  2013-02-24
  • 网络出版日期:  2013-04-12
通讯作者: 陈斌, bchen63@163.com
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