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低温等离子体协同钒钛催化剂降解甲苯试验

Keywords: 甲苯,低温等离子体,钒钛系催化剂,能量效率,臭氧

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Abstract:

采用可调频高压电源、自制线管式介质阻挡放电反应器,以挥发性有机化合物(VOCs)代表物质——甲苯为去除对象,考察了低温等离子体协同不同类型催化剂降解甲苯性能.对反应器能量密度、能量效率、副产物臭氧生成情况进行了考查比较.筛选出性能较优的催化剂,对其进行了稳定性实验,并对反应产物进行了测定分析.研究结果表明:填充钒钛系催化剂对甲苯的降解有明显的促进作用,能量密度和臭氧生成量有所降低,能量效率有明显提高.针对V2O5-TiO2/酌-Al2O3催化剂进行的稳定性实验研究表明:甲苯去除率随反应时间延长而缓慢下降,表明催化剂存在失活现象,可能是由甲苯降解形成的副产物在催化剂表面积聚而覆盖催化剂反应活性位造成的.500℃空气气氛下焙烧4h能使催化剂的活性恢复至初始水平.

References

[1]  of Kaili University, 2012, 30(3): 32-34. (in Chinese)
[2]  丁慧贤, 赵宇杰, 张增凤. 等离子体引发CeO2 低温催化活性协同脱除空气中苯[J]. 黑龙江科技大学学报,2014, 24(2): 22-25.
[3]  DING Hui-xian, ZHAO Yu-jie, ZHANG Zeng-feng.Synergistic removal of benzene from air by plasmatriggering CeO2 catalyst蒺s low-temperature activity [ J].Journal of Heilongjiang University of Science &
[4]  Technology, 2014, 24(2): 22-25. (in Chinese)
[5]  邹鹏, 熊志波, 韩奎华, 等. 钒钛SCR 脱硝催化剂低温研究进展[J]. 电力科技与环保, 2011, 27(5): 9-13.
[6]  ZOU Peng, XIONG Zhi-bo, HAN Kui-hua, et al.Research progress of V2 O5 / TiO2 SCR catalysts of NOx in low temperature [ J ]. Electric Power EnvironmentalProtection, 2011, 27(5): 9-13. (in Chinese)
[7]  CHOI S H, CHO S P, LEE J Y, et al. The influence of
[8]  non-stoichiometric species of V/ TiO2 catalysts on selective catalytic reduction at low temperature [ J]. Journal of Molecular Catalysis A: Chemical, 2009, 304 (1/2):166-173.
[9]  van DURME J, DEWULF J, SYSMANS W, et al. Efficient toluene abatement in indoor air by a plasma catalytic hybrid system [ J ]. Applied Catalysis B: Environmental, 2007, 74(1/2): 161-169.
[10]  关绣娟, 叶代启, 黄海保. 介质阻挡放电-催化降解空气中甲苯的研究[J]. 环境工程学报, 2008, 2(7):978-982.
[11]  GUAN Xiu-juan, YE Dai-qi, HUANG Hai-bao. Study on toluene destruction in air stream by dielectric barrier dischargecombined with catalytic system [ J]. Chinese Journal of Environmental Engineering, 2008, 2(7): 978-982. (in Chinese)
[12]  郑秀亮. VOC, 不可忽视的环境污染因子[J]. 环境,2012(5): 9-11.
[13]  ZHENG Xiu-liang. VOC, can not be ignored environmental pollution factors [ J]. Environment, 2012(5): 9-11. (in Chinese)
[14]  新新环保名词[J]. 环境, 2010(3): 39.The new environmental terms [ J]. Environment, 2010(3): 39. (in Chinesea)
[15]  蒋厦, 郑颖, 杨康年. 低温等离子体协同分子筛净化甲苯的性能研究[J]. 四川环境, 2013, 32(5): 30-33.
[16]  JIANG Xia, ZHENG Ying, YANG Kang-nian.Performance of plasma combined with molecular sieve on toluene removal[J]. Sichuan Environment, 2013, 32(5):30-33. (in Chinese)
[17]  VANDENBROUCKE A M, MORA M, JIMNEZ- SANCHIDRIN C, et al. TCE abatement with a plasma-catalytic combined system using MnO2 as catalyst [ J].Applied Catalysis B: Environmental, 2014, 156/157: 94-
[18]  100.
[19]  韩冰雁, 黄欣, 李一倬, 等. 脉冲放电等离子体-催化耦合降解室内甲醛的研究[J]. 环境污染与防治,2013, 35(6): 47-50.
[20]  HAN Bing-yan, HUANG Xin, LI Yi-zhuo, et al. Research on degradation of indoor formaldehyde by pulsed discharge plasma combined with catalyst [ J ]. Environmental Pollution and Control, 2013, 35 ( 6 ): 47-50. ( in
[21]  Chinese)
[22]  李国平, 胡志军, 李建军, 等. 低温等离子体-催化协同净化有机废气研究进展[J]. 环境工程, 2013, 31(3): 74-78.
[23]  LI Guo-ping, HU Zhi-jun, LI Jian-jun, et al. Advanced in catalysis-assisted non-thermal plasma reactor for purification of organic waste gas [ J ]. EnvironmentalEngineering, 2013, 31(3): 74-78. (in Chinese)
[24]  梁文俊, 马琳, 李坚, 等. 低温等离子体-催化联合技术去除甲苯的实验研究[J]. 北京工业大学学报, 2014, 40(2): 161-166.
[25]  LIANG Wen-jun, MA Lin, LI Jian, et al. Removal of toluene by non-thermal plasma coupled with catalyst[J]. Journal of Beijing University of Technology, 2014, 40(2):161-166. (in Chinese)
[26]  叶志平. 新型DBD-Nano-TiO2 / SMF 催化体系治理涂装废气[D]. 杭州: 浙江大学环境与资源学院, 2013.
[27]  YE Zhi-ping. A novel dielectric barrier discharge reactor with photocatalytic electrode based on sintered metal fibers for abatement of paint waste gas[D]. Hangzhou: College of Environment and Resources, Zhejiang University,2013. (in Chinese)
[28]  丁慧贤. 低温等离子体与催化剂氧化脱除甲醛的研究[J]. 福建工程学院学报, 2012, 10(1): 63-67.
[29]  DING Hui-xian. Removal of formaldehyde from atmospheric pressure gas stream by plasma combined with different catalysts at low temperature[J]. Journal of Fujian Universitty of Technology, 2012, 10 (1): 63-67. ( in Chinese)
[30]  CHAVADEJ S, SAKTRAKOOL K, RANGSUNVIGIT P, et al. Oxidation of ethylene by a multistage corona discharge system in the absence and presence of Pt/ TiO2 [J]. Chemical Engineering Journal, 2007, 132(1/2/3):345-353.
[31]  廖晓斌, 郭玉芳, 叶代启. 不同金属氧化物对等离子体降解甲苯的作用研究[J]. 环境科学学报, 2010, 30(9): 98-106.
[32]  LIAO Xiao-bin, GUO Yu-fang, YE Dai-qi. Effect of different metal oxides on the plasma decomposition of toluene[ J]. Acta Scientiae Circumstantiae, 2010, 30(9): 98-106. (in Chinese)
[33]  刘云, 刘红霞, 李秀丽. 低温等离子体协同催化降解 VOCs 的研究进展[J]. 环境科学与技术, 2012, 35(61): 122-125.
[34]  LIU Yun, LIU Hong-xia, LI Xiu-li. Research development on decomposition of VOCs by non-thermal plasma assisted catalysis[J]. Environmental Science and Technology, 2012, 35(61): 122-125. (in Chinese)
[35]  KIM H H, OGATA A, FUTAMURA S. Oxygen partial pressure-dependent behavior of various catalysts for the total oxidation of VOCs using cycled system of adsorption and oxygen plasma [ J ]. Applied Catalysis B:Environmental, 2008, 79(4): 356-367.
[36]  田建升, 季益虎. 低温等离子体协同光催化降解甲苯的研究[J]. 凯里学院学报, 2012, 30(3): 32-34. TIAN Jian-sheng, JI Yi-hu. Toluene removal using non-thermal plasma coupled with photocatalysis[J]. Journal

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