Synthesis of CeO2 and Zr-Doped CeO2 (Ce1-xZrxO2) Catalyst by Green Synthesis for Soot Oxidation Activity

被引：10

作者：

Mishra, Upendra Kumar ^{[1
,4
]}

Chandel, Vishal Singh ^{[1
,4
]}

Singh, Om Prakash ^{[2
,4
]}

Alam, Navshad ^{[3
,4
]}

机构：

[1] Rajkiya Engn Coll, Dept Appl Sci & Humanities, Ambedkar Nagar 224122, Uttar Pradesh, India

[2] Inst Engn & Technol, Dept Appl Sci & Humanities, Lucknow 226021, Uttar Pradesh, India

[3] BNCET, Dept Appl Sci & Humanities, Lucknow 226201, Uttar Pradesh, India

[4] Dr APJ Abdul Kalam Tech Univ Lucknow, Lucknow 226031, Uttar Pradesh, India

来源：

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2023年 / 48卷 / 01期

关键词：

Zr-doped CeO2; Soot; Green synthesis; Catalyst; CERIUM OXIDE NANOPARTICLES; DIESEL SOOT; LOW-TEMPERATURE; MIXED OXIDES; COMBUSTION; CEO2-ZRO2; NO; ABATEMENT; ZIRCONIA; EXTRACT;

D O I：

10.1007/s13369-022-06997-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The CeO2 and Zr-doped CeO2 (Ce1-xZrxO2) catalysts are synthesized by the green synthesis process and tested for soot oxidation activity. The identification of phase, morphology, and soot oxidation is analyzed by XRD (X-ray diffraction), FE-SEM (field emission scanning electron microscopy), and TGA-DSC (thermogravimetric-differential scanning calorimetry), respectively. The proper replacement of Ce with Zr has been identified in XRD. The catalyst showed higher stability at elevated temperatures for soot oxidation after the introduction of Zr into CeO2. It is observed that Zr-doped CeO2 samples show low-temperature soot oxidation reactivity than pure CeO2. Soot oxidation is found between the temperature range of 427-455 degrees C. The Zr-doped CeO2 catalyst showed higher stability and reactivity than pure CeO2.

引用

页码：771 / 777

页数：7

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