冷喷涂技术在甲醇水蒸气重整制氢中的应用
Application of Cold Gas Dynamic Spraying in Methanol Steam Reforming for Hydrogen Production
摘 要
采用冷气体动力喷涂技术在铝基板上制备了铜涂层,并在该涂层上进行了甲醇水蒸气重整制氢试验;对重整试验前后的涂层表面及其断面形貌和组成进行了SEM和EDS分析.结果表明:重整制氢试验后涂层中的氧和铝元素含量增加,涂层表面形貌由层叠堆积状结构变为微球状多孔结构,孔隙率明显增加,重整产物中氢气体积分数可达74.9%,表明能用冷喷涂技术制备甲醇水蒸气重整制氢的催化涂层.
铜涂层
甲醇水蒸气重整
制氢
cold gas dynamic spraying
copper coating
methanol steam reforming
hydrogen production
Abstract
Copper coating on aluminum substrate was prepared by cold gas dynamic spraying for hydrogen production through methanol steam reforming.SEM and EDS analysis of the coating before and after methanol steam reforming reaction were carried out.The results show that,after the reforming reaction oxygen and aluminum elements content of the coating increased,the coating morphology changed from piled sheets structure to micro-ramified structure,its porosity obviously increased and the H2 content in the reformate reached 74.9% indicating that the catalytic coating can be prepared by cold gas dynamic spraying.
中图分类号 TG174.442 TG146.1
所属栏目 材料性能及其应用
基金项目 国家自然科学基金资助项目(50276073);重庆市自然科学基金资助项目(CSTC.2006BB6221);第三届“重庆大学重点实验室对本科生开放创新基金”资助项目(35)
收稿日期 2007/12/18
修改稿日期 2008/4/21
网络出版日期
作者单位点击查看
备注王锋(1977-),男,河北保定人,讲师,博士研究生.
引用该论文: WANG Feng,CUI Wen-zhi,LI Long-jian,CHEN Qing-hua,XIN Ming-dao. Application of Cold Gas Dynamic Spraying in Methanol Steam Reforming for Hydrogen Production[J]. Materials for mechancial engineering, 2009, 33(1): 80～82
王锋,崔文智,李隆键,陈清华,辛明道. 冷喷涂技术在甲醇水蒸气重整制氢中的应用[J]. 机械工程材料, 2009, 33(1): 80～82
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参考文献
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【5】吴贵升,王宇红,毛东森,等.铜的表面氧在甲醇水蒸气重整反应中的作用[J].化学学报,2007,65(17):1757-1761.
【2】贾启云,汤勇.微通道内催化剂的制备[J].化工时刊,2006,20(2):39-41,46.
【3】Kreye H,Stoltenhoff T.Cold Spraying-A Study of Process and Coating Characteristics[C]//Proceedings of the 1st International Thermal Spray Conference.Montreal,Canada: ASM International,2000:419-422.
【4】Ashish V.Pattekar,Mayuresh V.Kothare.A microreactor for in-situ hydrogen production by catalytic methanol reform-ing[C]//Proceedings of the 5th International Conference on Microreaction Technology (IMRET 5).Strasbourg,France: Springer,2001:332-342.
【5】吴贵升,王宇红,毛东森,等.铜的表面氧在甲醇水蒸气重整反应中的作用[J].化学学报,2007,65(17):1757-1761.
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