Experimental Study of H2-NSR Performance of Pt/Ba/Ce/γ-Al2O3 Catalyst

Abstract

Abstract:

Abstract： The perovskite catalyst Pt/Ba/Ce/γAl2O3 was prepared by the improved SolGel method combined with incipient impregnation, and the surface properties were tested. Using the NOx storage reduction circulation test, the impact of the reaction conditions, including reductant concentration, reduction time and space velocity, and components of IC engine exhaust gas represented by CO2 and HC on the performance of NOx storage reduction (NSR) with H2 as reductant were studied. The experimental results indicate that the specific surface area and catalytic activity of Pt/Ba/Ce/γAl2O3 catalyst are favorable; within the scope of the study, with different reductant concentration there is an optimum reduction time when the NOx conversion rate is the highest, and the optimum reduction time decreases when the reductant concentration increases; the increase of reductant concentration accelerates the NOx desorption; if the reductant concentration is too high, some amount of NOx will spill, and the NOx conversion rate will drop; when the space velocity characteristic is perfect, the NOx conversion rate could still maintain 86.9% under high space velocity of 7.0×104 h-1; to some extent CO2 inhibit the NOx storage activity, but the catalyst can be regenerated; using C3H6 to simulate the exhaust HC, C3H6 has a negative effect on the NOx reduction process when the C3H6 concentration is low, however the C3H6 of high concentration could accelerate this process.

Key words: perovskite catalyst, NOx storage reduction (NSR), hydrogen, circulation test

CLC Number:

TK 46

YANG Wenjie,WEN Yalin,ZHANG Wugao. Experimental Study of H2-NSR Performance of Pt/Ba/Ce/γ-Al2O3 Catalyst[J]. Journal of Shanghai Jiaotong University, 2015, 49(05): 583-589.

References

［1］Takeuchi M，Matsumoto S．NOx storage reduction catalysts for gasoline engines［J］．Topics in Catalysis，2004，28(14)：151156．

［2］Granger P，Parvulescu V I．Catalytic NOx abatement systems for mobile sources: From threeway to lean burn aftertreatment technologies ［J］．Chemical Reviews，2011，111(5)：31553207．

［3］Roy S，Baiker A．NOx Storagereduction catalysis：From mechanism and materials properties to storagereduction performance［J］．Chemical Reviews，2009，109(9)：40544091．

［4］Liu G，Gao P X．A review of NOx storage reduction catalysts：mechanism，materials and degradation studies［J］．Catalysis Science and Technology，2011，1(4)：552568．

［5］Fowler J，Morgenstern D，Sall E，et al．Integration of an E85 reforming system into a vehicleready package and project results［R］．USA：SAE Technical Paper 2014011191，2014．

［6］温亚林．氮氧化物存储还原技术（NSR）及其在压燃式发动机上的应用研究［D］．上海交通大学机械与动力工程学院，2014．

［7］Wang X，Yu Y，He H．Effects of temperature and reductant type on the process of NOx storage reduction over Pt/Ba/CeO2 catalysts［J］．Applied Catalysis B：Environmental，2011，104(1)：151160．

［8］韩丹丹，路大勇．单相BaCeO3陶瓷的制备研究［J］. 吉林化工学院学报，2012，29(5)：8791．

HAN Dandan，LU Dayong．Preparation of singlephase BaCeO3 Ceramics［J］．Journal of Jilin University of Chemical Technology，2012，29(5)：8791．

［9］党修湖．稀燃条件下氮氧化物存储还原催化剂老化工艺研究［D］．天津大学化工学院，2008．

［10］Vovk E I，Turksoy A，Bukhtiyarov V I，et al．Interactive surface chemistry of CO2 and NO2 on metal oxide surfaces：Competition for catalytic adsorption sites and reactivity［J］．Journal of Physical Chemistry C，2013，117(15)：77137720．

[1]	LI Jianlin, ZHANG Zedong, LIANG Ce, ZENG Fei. Multi-Objective Robustness of Integrated Energy System Considering Source-Load Uncertainty [J]. Journal of Shanghai Jiao Tong University, 2025, 59(2): 175-185.
[2]	WANG Xinci, LIU Aiguo, WU Xiaoqu, ZHANG Yunjie. Numerical Study of Combustion Characteristics of Methane/Hydrogen Hybrid Fuel of Lean Premixed Swirl [J]. Journal of Shanghai Jiao Tong University, 2024, 58(8): 1179-1187.
[3]	FAN Hong, XING Mengqing, WANG Lankun, TIAN Shuxin. Multi-Time Scale Probabilistic Production Simulation of Wind-Solar Hydrogen Integrated Energy System Considering Hydrogen Storage [J]. Journal of Shanghai Jiao Tong University, 2024, 58(6): 881-892.
[4]	DUAN Jia’nan, XIE Jun, XING Shanxi. A Cooperative Game Allocation Strategy for Wind-Solar-Pumped Storage-Hydrogen Multi-Stakeholder Energy System [J]. Journal of Shanghai Jiao Tong University, 2024, 58(6): 872-880.
[5]	FU Wenxi, DOU Zhenlan, ZHANG Chunyan, WANG Lingling, JIANG Chuanwen, XIONG Zhan. Bi-Level Optimization Operation Method of Multi-H₂-IES Considering Dynamic Carbon Emission Factors [J]. Journal of Shanghai Jiao Tong University, 2024, 58(5): 610-623.
[6]	FAN Hong, YANG Zhongquan, XIA Shiwei. Low Carbon Economic Operation of Hydrogen-Enriched Compressed Natural Gas Integrated Energy System Considering Step Carbon Trading Mechanism [J]. Journal of Shanghai Jiao Tong University, 2024, 58(5): 624-635.
[7]	SHI Ting, JIN Ming, GE Bing, ZANG Shusheng. Forced Oscillation Characteristics of Natural Gas Mixed with Hydrogen Combustion in Gas Turbine Central Staged Burner [J]. Journal of Shanghai Jiao Tong University, 2024, 58(3): 304-311.
[8]	Shuilin Wu, Yibing Yang, Mingzi Sun, Tian Zhang, Shaozhuan Huang, Daohong Zhang, Bolong Huang, Pengfei Wang, Wenjun Zhang. Dilute Aqueous-Aprotic Electrolyte Towards Robust Zn-Ion Hybrid Supercapacitor with High Operation Voltage and Long Lifespan [J]. Nano-Micro Letters, 2024, 16(1): 161-.
[9]	Li Ren, Yinghui Li, Zi Li, Xi Lin, Chong Lu, Wenjiang Ding, Jianxin Zou. Boosting Hydrogen Storage Performance of MgH₂ by Oxygen Vacancy-Rich H-V₂O₅ Nanosheet as an Excited H-Pump [J]. Nano-Micro Letters, 2024, 16(1): 160-.
[10]	Xiaoyu Liu, Yiming Guo, Fanghua Ning, Yuyu Liu, Siqi Shi, Qian Li, Jiujun Zhang, Shigang Lu, Jin Yi. Fundamental Understanding of Hydrogen Evolution Reaction on Zinc Anode Surface: A First-Principles Study [J]. Nano-Micro Letters, 2024, 16(1): 111-.
[11]	Xiang Gao, Shicheng Dai, Yun Teng, Qing Wang, Zhibo Zhang, Ziyin Yang, Minhyuk Park, Hang Wang, Zhe Jia, Yunjiang Wang, Yong Yang. Ultra-Efficient and Cost-Effective Platinum Nanomembrane Electrocatalyst for Sustainable Hydrogen Production [J]. Nano-Micro Letters, 2024, 16(1): 108-.
[12]	SHEN Qi, LI Ouping, LIU Chao, CHENG Guangyuan, YU Xichong. Adaptability Analysis of Offshore New Energy Storage Technology Under Dual-carbon Background [J]. Ocean Engineering Equipment and Technology, 2024, 11(1): 106-115.
[13]	CAO Yong, JIANG Ying, XU Xiangjuan, QIAN Sicheng. Numerical Evaluation and Experimental Study on Hydrogen Induced Cracking of Subsea Super Duplex Stainless Steel Component [J]. Ocean Engineering Equipment and Technology, 2024, 11(1): 49-53.
[14]	Yizhe Li, Yajie Li, Hao Sun, Liyao Gao, Xiangrong Jin, Yaping Li, Zhi LV, Lijun Xu, Wen Liu, Xiaoming Sun. Current Status and Perspectives of Dual-Atom Catalysts Towards Sustainable Energy Utilization [J]. Nano-Micro Letters, 2024, 16(1): 139-.
[15]	GU Huijie, PENG Chaoyi, SUN Shuhao, LIU Mingtao, XIE Jun, SHI Xionghua, BAO Yong. A Short-Term Production Simulation Model of Wind-PV-Hydrogen-Pumped Storage Zero Carbon Power System [J]. Journal of Shanghai Jiao Tong University, 2023, 57(5): 505-512.