材料科学

Vol.5 No.2 (March 2015)

整体式铜钴复合氧化物催化剂的乙酸乙酯催化燃烧性能
Catalytic Combustion Performance of Ethyl Acetate with Copper-Cobalt Composite Oxide Catalysts

 

作者:

邢 丰 , 陈文亚 , 罗孟飞 :浙江师范大学物理化学研究所,先进催化材料教育部重点实验室,浙江 金华

王树元 :中国科学院山西煤炭化学研究所,煤转化国家重点实验室,山西 太原

 

关键词:

堇青石乙酸乙酯Cu-Co复合氧化物催化燃烧Cordierite Ethyl Acetate Copper-Cobalt Composite Oxide Catalytic Oxidation

 

摘要:

以堇青石蜂窝陶瓷为载体,采用涂覆法制备了一系列不同摩尔比的Cu-Co复合氧化物催化剂并测试了催化剂的乙酸乙酯催化燃烧性能。当Cu与Co摩尔比为1:2时,该催化剂(1Cu2Co)具有较高的乙酸乙酯催化活性(T99 = 250℃)。运用X射线衍射(XRD),程序升温还原(H2-TPR),物理吸附(BET)等技术对催化剂进行了表征。结果表明,较高的比表面积(170 m2/g),较小的CuO和CoOx晶粒以及较强的还原性能为1Cu2Co催化剂高活性的主要原因。

A series of Cu-Co catalysts with different Cu-Co mass ratios were prepared via coating method with the cordierite honeycomb ceramic as the carrier, and the catalytic combustion performance of ethyl acetate is tested. The highest activity (T99 = 250˚C) occurred at mole ratio of 1:2 for Cu:Co (1Cu2Co). The catalysts were further characterized by X-ray diffraction (XRD), Brunauer-Emmett- Teller (BET), and temperature-programmed reduction (H2-TPR) technologies. The results showed that the main reasons of higher activity of 1Cu2Co catalysts can be attributed to the enhanced reducibility, higher surface area (170 m2/g), and smaller crystal size of CuO and CoOx。

文章引用:

邢 丰 , 陈文亚 , 王树元 , 罗孟飞 (2015) 整体式铜钴复合氧化物催化剂的乙酸乙酯催化燃烧性能。 材料科学, 5, 27-33. doi: 10.12677/MS.2015.52005

 

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