The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能)
采用共沉淀结合乙醇超临界干燥方法,制备了不同铈锆比的CexZr1-xO2复合氧化物,采用浸渍法制备了负载Pd的催化剂,通过XRD、N2吸脱附、H2-TPR和静态储氧量测试等表征技术,考察了它们的结构性质、还原性能和储放氧性能,并将其应用于柴油机尾气可溶性有机物(SOF)的催化氧化反应中.结果表明,该铈锆复合氧化物具有圆柱形管状介孔结构,孔径分布范围较宽,具有较大的比表面积,因而有利于对SOF的吸附;锆的添加使铈锆复合氧化物体相氧向表面迁移的能力增强,进而提高了载体及其负载Pd催化剂的储氧量、还原性能和对SOF的催化氧化性能....
Main Authors: | , |
---|---|
Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2014-11-01
|
Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2014.06.012 |
_version_ | 1797235909807046656 |
---|---|
author | HANYuxi(韩玉惜) ZHOURenxian(周仁贤) |
author_facet | HANYuxi(韩玉惜) ZHOURenxian(周仁贤) |
author_sort | HANYuxi(韩玉惜) |
collection | DOAJ |
description | 采用共沉淀结合乙醇超临界干燥方法,制备了不同铈锆比的CexZr1-xO2复合氧化物,采用浸渍法制备了负载Pd的催化剂,通过XRD、N2吸脱附、H2-TPR和静态储氧量测试等表征技术,考察了它们的结构性质、还原性能和储放氧性能,并将其应用于柴油机尾气可溶性有机物(SOF)的催化氧化反应中.结果表明,该铈锆复合氧化物具有圆柱形管状介孔结构,孔径分布范围较宽,具有较大的比表面积,因而有利于对SOF的吸附;锆的添加使铈锆复合氧化物体相氧向表面迁移的能力增强,进而提高了载体及其负载Pd催化剂的储氧量、还原性能和对SOF的催化氧化性能. |
first_indexed | 2024-04-24T16:55:27Z |
format | Article |
id | doaj.art-5406b5c4873148578c6a788959bb5dd1 |
institution | Directory Open Access Journal |
issn | 1008-9497 |
language | zho |
last_indexed | 2024-04-24T16:55:27Z |
publishDate | 2014-11-01 |
publisher | Zhejiang University Press |
record_format | Article |
series | Zhejiang Daxue xuebao. Lixue ban |
spelling | doaj.art-5406b5c4873148578c6a788959bb5dd12024-03-29T01:58:34ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972014-11-0141667668110.3785/j.issn.1008-9497.2014.06.012The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能)HANYuxi(韩玉惜)0ZHOURenxian(周仁贤)1Institute of Catalysis, Zhejiang University, Hangzhou 310028, China(浙江大学催化研究所,浙江 杭州 310028)Institute of Catalysis, Zhejiang University, Hangzhou 310028, China(浙江大学催化研究所,浙江 杭州 310028)采用共沉淀结合乙醇超临界干燥方法,制备了不同铈锆比的CexZr1-xO2复合氧化物,采用浸渍法制备了负载Pd的催化剂,通过XRD、N2吸脱附、H2-TPR和静态储氧量测试等表征技术,考察了它们的结构性质、还原性能和储放氧性能,并将其应用于柴油机尾气可溶性有机物(SOF)的催化氧化反应中.结果表明,该铈锆复合氧化物具有圆柱形管状介孔结构,孔径分布范围较宽,具有较大的比表面积,因而有利于对SOF的吸附;锆的添加使铈锆复合氧化物体相氧向表面迁移的能力增强,进而提高了载体及其负载Pd催化剂的储氧量、还原性能和对SOF的催化氧化性能.https://doi.org/10.3785/j.issn.1008-9497.2014.06.012铈锆复合氧化物负载pd催化剂可溶性有机物(sof) |
spellingShingle | HANYuxi(韩玉惜) ZHOURenxian(周仁贤) The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能) Zhejiang Daxue xuebao. Lixue ban 铈锆复合氧化物 负载pd催化剂 可溶性有机物(sof) |
title | The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能) |
title_full | The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能) |
title_fullStr | The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能) |
title_full_unstemmed | The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能) |
title_short | The catalytic oxidation of SOF in diesel engine exhaust by Pd/CexZr1-xO2 catalysts(Pd/CexZr1-xO2对柴油机尾气中可溶性有机物的催化氧化性能) |
title_sort | catalytic oxidation of sof in diesel engine exhaust by pd cexzr1 xo2 catalysts pd cexzr1 xo2对柴油机尾气中可溶性有机物的催化氧化性能 |
topic | 铈锆复合氧化物 负载pd催化剂 可溶性有机物(sof) |
url | https://doi.org/10.3785/j.issn.1008-9497.2014.06.012 |
work_keys_str_mv | AT hanyuxihányùxī thecatalyticoxidationofsofindieselengineexhaustbypdcexzr1xo2catalystspdcexzr1xo2duìcháiyóujīwěiqìzhōngkěróngxìngyǒujīwùdecuīhuàyǎnghuàxìngnéng AT zhourenxianzhōurénxián thecatalyticoxidationofsofindieselengineexhaustbypdcexzr1xo2catalystspdcexzr1xo2duìcháiyóujīwěiqìzhōngkěróngxìngyǒujīwùdecuīhuàyǎnghuàxìngnéng AT hanyuxihányùxī catalyticoxidationofsofindieselengineexhaustbypdcexzr1xo2catalystspdcexzr1xo2duìcháiyóujīwěiqìzhōngkěróngxìngyǒujīwùdecuīhuàyǎnghuàxìngnéng AT zhourenxianzhōurénxián catalyticoxidationofsofindieselengineexhaustbypdcexzr1xo2catalystspdcexzr1xo2duìcháiyóujīwěiqìzhōngkěróngxìngyǒujīwùdecuīhuàyǎnghuàxìngnéng |