Research on de-NO by low-temperature SCR based on MnOx-CeO2/PPSN

LIU Qing; ZHENG Yu-ying; WANG Xie

Volume 40 Issue 04

Apr. 2012

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Article Navigation > Journal of Fuel Chemistry and Technology > 2012 > (04): 452-455

LIU Qing, ZHENG Yu-ying, WANG Xie. Research on de-NO by low-temperature SCR based on MnOx-CeO2/PPSN[J]. Journal of Fuel Chemistry and Technology, 2012, (04): 452-455.

Citation:

LIU Qing, ZHENG Yu-ying, WANG Xie. Research on de-NO by low-temperature SCR based on MnO_x-CeO₂/PPSN[J]. Journal of Fuel Chemistry and Technology, 2012, (04): 452-455.

LIU Qing, ZHENG Yu-ying, WANG Xie. Research on de-NO by low-temperature SCR based on MnOx-CeO2/PPSN[J]. Journal of Fuel Chemistry and Technology, 2012, (04): 452-455.

Citation:

LIU Qing, ZHENG Yu-ying, WANG Xie. Research on de-NO by low-temperature SCR based on MnO_x-CeO₂/PPSN[J]. Journal of Fuel Chemistry and Technology, 2012, (04): 452-455.

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Research on de-NO by low-temperature SCR based on MnO_x-CeO₂/PPSN

1.
College of Chemistry and Chemical Engineering, Fuzhou 350108, China;
2.
College of Materials Science and Engineering|Fuzhou University, Fuzhou 350108, China

Received Date: 2011-09-21
Rev Recd Date: 2011-11-29
Publish Date: 2012-04-30

Abstract

Abstract

Polyphenylene sulfide (PPS) filter was treated by nitric acid to form PPSN filter. By the ultrasonic method, PPSN filter was loaded on 40% manganese molar fraction of MnO_x-CeO₂ which was calcined at 400℃ to form MnO_x-CeO₂/PPSN. The activity of MnO_x-CeO₂/PPSN was tested in the presence of NH₃ as reducing agent for selective catalytic reduction of NO. The influences of catalyst temperature, volume fraction of NH₃ and O₂, and catalyst loadings on the de-NO efficiency were studied too. It was found that MnO_x-CeO₂/PPSN filter with the catalyst loadings of 296g/m²showed higher de-NO efficiency under the conditions of temperature 130~160℃, NH₃/NO>1, and O₂ 5%. When the catalyst temperature, the volume fraction of NH₃ and O₂ are constant, de-NO efficiency of MnO_x-CeO₂/PPSN is higher with the catalyst loading increasing.
- low-temperature selective catalytic reduction(SCR),
- MnO_x-CeO₂,
- PPS,
- de-NO efficiency

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References(11)

References

曲虹霞, 钟秦. NH₃选择性催化还原NO_x的实验研究[J]. 环境科学与工艺, 2004, 27(6): 19-21. (QU Hong-xia, ZHONG Qin. Investigation of selective catalytic reduction of NO_x with NH₃[J]. Environmental Science and Technology, 2004, 27(6): 19-21.)

沈伯雄, 郭宾彬,吴春飞, 梁才, 王成东, 史展亮. MnO_x/ACF低温选择性催化还原烟气中的NO[J]. 环境污染与防治, 2006, 28(11): 801-803. (SHEN Bo-xiong; GUO Bin-bin; WU Chun-fei; LIANG Cai; WANG Cheng-dong; SHI Zhan-liang. Low temperature selective catalytic reduction of NO by MnO_x/ACF[J]. Environmental Pollution & Control, 2006, 28(11): 801-803.)

沈伯雄, 郭宾彬, 史展亮, 吴春飞, 梁材. CeO₂/ACF的低温SCR烟气脱硝性能研究[J].燃料化学学报, 2007, 35(1): 125-128. (SHEN Bo-xiong; GUO Bin-bin; SHI Zhan-liang; WU Chun-fei; LIANG Cai. Low temperature SCR of NO in flue gas on CeO₂/ACF[J]. Journal of Fuel Chemistry and Technology, 2007, 35(1): 125-128.)

沈伯雄, 史展亮,施建伟, 杨婷婷,赵宁. 基于Mn-CeO_x/ACFN的低温SCR脱硝[J].化工进展, 2008, 27(1): 87-91. (SHEN Bo-xiong; SHI Zhan-liang; SHI Jian-wei; YANG Ting-ting; ZHAO Ning. Research on de-NO by low-temperature SCR based on Mn-CeO_x/ACFN[J]. Chemical Industry and Engineering Progress, 2008, 27(1): 87-91.)

JIANG Z, GYUROVA L A, SCHLARB A K, FRIDERICH K,ZHANG Z. Study on friction and wear behavior of polyphenylene sulfide composites reinforced by short carbon fibers and sub-micro TiO₂ particles[J]. Compos Sci Technol, 2008, 68(3/4): 734-742.

TANTHAPANICHAKOON W, HATAA M. Mechanical degradation of filter polymer materials: Polyphenylene sulfide[J]. Polym Degrad Stability, 2006, 91(11): 2614-2621.

MEI Z, CHUNG D D L. Effect of heating time below the melting temperature on polyphenylene sulfide adhesive joint development[J]. Int J Adhesion Adhesives, 2000, 20(4): 273-277.

QI G, YANG R T. Performance and kinetics study for low temperature SCR of NO with NH₃ over MnO_x-CeO₂ catalyst[J]. J Catal, 2003, 217(2): 434-441.

YOSHIKAWA M, YASUTAKE A , MOCHIDA I. Low temperature selective catalytic reduction of NO_x by metal oxides supported on active carbon fibers[J]. Appl Catal A, 1998, 173(2): 239-245.

KAPTEIJN F, SINGOREDJO L, ANDREINI A, MOULIJN J A. Activity and selectivity of pure manganese oxides in the selective catalytic reduction of nitric oxide with ammonia[J]. Appl Catal B, 1994, 3(2/3): 173-189.

孙熙.袋式除尘技术与应用[M]. 北京: 机械工业出版社, 2004. (SUN Xi. Bag filter technology and application[M]. Beijing: Machinery Industry Press, 2004.)

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