留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

硫中毒对Cu/γ-Al2O3催化含硫低浓度甲烷燃烧特性的影响

张力 刘建军 杨仲卿 郑世伟

张力, 刘建军, 杨仲卿, 郑世伟. 硫中毒对Cu/γ-Al2O3催化含硫低浓度甲烷燃烧特性的影响[J]. 燃料化学学报(中英文), 2014, 42(05): 635-640.
引用本文: 张力, 刘建军, 杨仲卿, 郑世伟. 硫中毒对Cu/γ-Al2O3催化含硫低浓度甲烷燃烧特性的影响[J]. 燃料化学学报(中英文), 2014, 42(05): 635-640.
ZHANG Li, LIU Jian-jun, YANG Zhong-qing, ZHENG Shi-wei. Effects of sulfur poisoning on combustion characteristics of low concentration methane with SO2 over Cu/γ-Al2O3 catalysts[J]. Journal of Fuel Chemistry and Technology, 2014, 42(05): 635-640.
Citation: ZHANG Li, LIU Jian-jun, YANG Zhong-qing, ZHENG Shi-wei. Effects of sulfur poisoning on combustion characteristics of low concentration methane with SO2 over Cu/γ-Al2O3 catalysts[J]. Journal of Fuel Chemistry and Technology, 2014, 42(05): 635-640.

硫中毒对Cu/γ-Al2O3催化含硫低浓度甲烷燃烧特性的影响

基金项目: 国家自然科学基金(51206200);中央高校基本科研业务经费(CDJZR12140031)。
详细信息
    作者简介:

    张力(1956-),男,教授,主要研究方向为洁净燃烧、低品位燃料能源化技术,E-mail:lizhang_cqu@163.com,Tel:023-65103114。

  • 中图分类号: O643

Effects of sulfur poisoning on combustion characteristics of low concentration methane with SO2 over Cu/γ-Al2O3 catalysts

  • 摘要: 采用浸渍法制备了质量分数11.32% Cu/γ-Al2O3催化剂,采用固定床反应器,考察了SO2浓度(0~0.02%)对低浓度甲烷(体积分数,3%)催化燃烧特性的影响,通过反应前后催化剂的微观结构及化学成分检测,结合理论分析,探讨了催化反应的硫中毒原因。研究表明,SO2的通入导致了Cu/γ-Al2O3催化剂活性及稳定性的降低,在同一反应温度下,甲烷转化率随着SO2浓度的增加而下降。SEM、EDS、FT-IR、XRD表征结果表明,SO2会导致Cu/γ-Al2O3催化剂表面出现结块现象,催化剂表面有硫元素的累积,且以硫酸盐的形式存在,其主要成分为硫酸铜(CuSO4)。在富氧条件下,SO2分子及氧离子在Cu2+上吸附所形成的硫酸铜,附着在催化剂表面,形成一层坚硬的外壳,是产生硫中毒现象的根本原因。
  • 朱吉钦, 危丽琼, 王盈. 有机废气净化催化剂上甲烷催化燃烧动力学研究[J]. 燃料化学学报, 2007, 35(4): 505-508. (ZHU Ji-qin, WEI Li-qiong, WANG Ying. Intrinsic kinetics of lean methane catalytic combustion on coated noble HPA(KMK) catalyst[J]. Journal of Fuel Chemistry and Technology, 2007, 35(4): 505-508.)
    YANG Z, GRACE J R, LIM J C, ZHANG L. Combustion of low-concentration coal bed methane in a fluidized bed reactor[J]. Energy Fuels, 2011, 25(3): 975-980.
    张力, 张俊广, 杨仲卿. 超低浓度甲烷在Cu/γ-Al2O3催化颗粒流化床中的燃烧特性[J]. 燃料化学学报, 2012, 40(7): 886-891. (ZHANG Li, ZHANG Jun-guang, YANG Zhong-qing. Combustion characteristics of ultra-low content methane in a fluidized bed reactor with Cu/γ-Al2O3 as catalytic particles[J]. Journal of Fuel Chemistry and Technology, 2012, 40(7): 886-891.)
    LI Y, GUO Y, XUE B. Catalytic combustion of methane over M (Ni, Co, Cu) supported on ceria-magnesia[J]. Fuel Process Technol, 2009, 90(5): 652-656.
    李建中, 吕功煊. Ni-Nb2O5和Ni-Cu-Nb2O5催化甲烷燃烧活性研究[J]. 分子催化, 2005, 19(3): 188-191. (LI Jian-zhong, LV Gong-xuan. Study of methane catalytic combustion over Ni-Nb2O5 and Ni-Cu-Nb2O5[J]. Journal of Molecular Catalysis(China), 2005, 19(3): 188-191.)
    RUI Z, HUANG Y, ZHENG Y. Effect of titania polymorph on the properties of CuO/TiO2 catalysts for trace methane combustion[J]. J Mol Catal A: Chem, 2013, 372: 128-136.
    REYES P, FIGUEROA A, PECCHI G. Catalytic combustion of methane on Pd-Cu/SiO2 catalysts[J]. Catal Today, 2000, 62(2/3): 209-217.
    周长军, 林伟, 朱月香. SnCuO催化剂上甲烷的催化燃烧性能[J]. 催化学报, 2003, 24(3): 229-232. (ZHOU Chang-jun, LIN Wei, ZHU Yue-xiang. Catalytic combustion of methane over SnCuO catalysts[J]. Chinese Journal of Catalysis, 2003, 24(3): 229-232.)
    MALYI O I, BAI K, KULISH V V. Density functional theory study of sulfur tolerance of copper: New copper-sulfur phase diagram[J]. Chem Phys Lett, 2012, 533: 20-24.
    ORDONEZ S, PAREDES J R, DIEZ F V. Sulphur poisoning of transition metal oxides used as catalysts for methane combustion[J]. Appl Catal A: Gen, 2008, 341(1/2): 174-180.
    IAMARINO M, CHIRONE R, LISI L. Cu/γ-Al2O3 catalyst for the combustion of methane in a fluidized bed reactor[J]. Catal Today, 2002, 75(1): 317-324.
    周长军, 林伟, 朱月香, 谢有畅. 氧化锡基甲烷催化燃烧催化剂的硫中毒反应机理[J]. 物理化学学报, 2003, 19(3): 246-250. (Zhou Chang-jun, Lin Wei, Zhu Yue-xiang, Xie You-chang. Mechanism of sulfur poisoning on methane catalytic combustion over SnCuO catalysts[J]. Acta physico-Chimica Sinica, 2003, 19(3): 246-250.)
    刘宪云, 高利平. 助剂对PdO/Al2O3催化剂的抗硫中毒性能影响[J]. 化工科技, 2011, 19(2): 25-27. (LIU Xian-yun, GAO Li-ping. Performance of sulfur tolerance on PdO/A12O3 catalysts: Effect of additives[J]. Chemical Process Technology, 2011, 19(2): 25-27.)
    HAPPEL M, LYKHACH Y, TSUD N. Mechanism of sulfur poisoning and storage: Adsorption and reaction of SO2 with stoichiometric and reduced ceria films on Cu(111)[J]. J Phys Chem C, 2011, 115(40): 19872-19882.
    陈家鏞, 夏光祥. 氧化铜与二氧化硫及氧作用生成硫酸铜的动力学分析[J]. 化工学报, 1965, 1(1): 1-12. (CHEN Jia-yong, XIA Guang-xiang. The kinetics of CuO reacting with gaseous SO2 and O2[J]. Journal of Chemical Industry and Engineering, 1965, 1(1): 1-12.)
    YATES J G, BEST R J. Kinetics of the reaction between sulfur dioxide, oxygen, and cupric oxide in a tubular, packed bed reactor[J]. Ind Eng Chem Proc Des Dev, 1976, 15(2): 239-243.
  • 加载中
计量
  • 文章访问数:  800
  • HTML全文浏览量:  17
  • PDF下载量:  438
  • 被引次数: 0
出版历程
  • 收稿日期:  2013-10-16
  • 修回日期:  2014-01-15
  • 刊出日期:  2014-05-30

目录

    /

    返回文章
    返回