Addition of Pd on La0.7Sr0.3CoO3 Perovskite To Enhance Catalytic Removal of NOx

doi:10.1021/acs.iecr.7b04399

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	Addition of Pd on La0.7Sr0.3CoO3 Perovskite To Enhance Catalytic Removal of NOx
	Zhao, DY; Gao, ZN; Xian, H; Xing, LL; Yang, YX; Tian, Y; Ding, T; Jiang, Z; Zhang, J; Zheng, LR; Li, XG; Zhang J(张静); Zheng LR(郑黎荣)
	2018
发表期刊	INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (IF:2.843[JCR-2016],3.027[5-Year])
ISSN	0888-5885
卷号	57 期号:2 页码:521-531
文章类型	Article
摘要	Herein, we report the function of Pd species in the Pd-added La0.7Sr0.3CoO3 perovskite for removal Of NOx (NO+NO2) in the lean-burn NOx traps (LNT) process. The addition of Pd significantly improves the De-NO activity of the perovskite-based catalysts. The Pd-supported catalyst has an excellent NOx removal efficiency of 90.4%, which is higher than the Pd-doped catalyst (74.4%) and pure La0.7Sr0.3CoO3 (51.6%). Our results show that the addition of Pd species enhances both the NOx desorption behaviors to regenerate the NOx storage sites and NOx reduction ability of the catalysts in the fuel-rich period, which induces the improved NOx trapping performance in the followed lean-burn period. These achievements result in the enhanced De-NOx activity of the Pd-added catalyst in the alternative NOx storage and reduction operations. Compared with the Pd-doped catalyst, the Pd-supported catalyst possesses the higher utilization efficiency of the Pd, thus exhibiting a higher catalytic activity.
DOI	10.1021/acs.iecr.7b04399
关键词[WOS]	AUTOMOTIVE EMISSIONS CONTROL ; TRAP CATALYSTS ; DOPED PEROVSKITE ; OXIDATION CATALYSTS ; STORAGE CATALYST ; SOOT COMBUSTION ; LOW-TEMPERATURE ; PRECIOUS-METAL ; NOBLE-METAL ; REDUCTION
收录类别	SCI ; EI
语种	英语
WOS研究方向	Engineering
WOS类目	Engineering, Chemical
WOS记录号	WOS:000423140100010
EI入藏号	20180404679808
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://ir.ihep.ac.cn/handle/311005/285561
专题	多学科研究中心
作者单位	中国科学院高能物理研究所
第一作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Zhao, DY,Gao, ZN,Xian, H,et al. Addition of Pd on La0.7Sr0.3CoO3 Perovskite To Enhance Catalytic Removal of NOx[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2018,57(2):521-531.
APA	Zhao, DY.,Gao, ZN.,Xian, H.,Xing, LL.,Yang, YX.,...&郑黎荣.(2018).Addition of Pd on La0.7Sr0.3CoO3 Perovskite To Enhance Catalytic Removal of NOx.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,57(2),521-531.
MLA	Zhao, DY,et al."Addition of Pd on La0.7Sr0.3CoO3 Perovskite To Enhance Catalytic Removal of NOx".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 57.2(2018):521-531.