Facile Preparation of CeO 2 Supported on Graphene Oxide Sheets for NH 3 ‐SCR: Improvement of Catalytic Activity and SO 2 Tolerance
In this paper, a series of highly dispersed CeO 2 catalysts on graphene oxide sheets (GO) were prepared by simple impregnation method. The catalysts were applied for selective catalytic reduction(SCR) of NO with NH 3 . Compared with the 5 wt %CeO 2 /GO and 15 wt %CeO 2 /GO catalysts, 10 wt %CeO 2 /G...
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| Veröffentlicht in: | ChemistrySelect (Weinheim) 2021-05, Vol.6 (19), p.4859-4865 |
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| creator | Zhou, Zhiyuan Wang, Yongzhao Yuan, Qunfu Guo, Yanle Guo, Wenyao Xin, Zhiling Zhang, Bingsen Guo, Ruitang |
| description | In this paper, a series of highly dispersed CeO
2
catalysts on graphene oxide sheets (GO) were prepared by simple impregnation method. The catalysts were applied for selective catalytic reduction(SCR) of NO with NH
3
. Compared with the 5 wt %CeO
2
/GO and 15 wt %CeO
2
/GO catalysts, 10 wt %CeO
2
/GO catalyst exhibited better catalytic performance in the temperature range of 175–325 °C and higher SO
2
resistance at 275 °C. The as‐prepared catalysts were characterized by TEM, AFM, XPS, XRD, BET, H
2
‐TPR, NH
3
‐TPD and FT‐IR, respectively. The characterization results indicated that 10 wt %CeO
2
/GO catalyst possessed larger specific surface area, enriched surface acidic sites, high redox capacity and oxygen vacancies. In addition, Ce
3+
on the surface of CeO
2
/GO catalyst could reduce the oxidation property of SO
2
, thus improving the SO
2
resistance of the catalyst. Meanwhile, the stability of 10 wt %CeO
2
/GO catalyst was tested. At 275 °C, the NO conversion maintained at 94 % within 30 hours, suggesting the excellent stability. |
| doi_str_mv | 10.1002/slct.202101102 |
| format | Article |
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2
catalysts on graphene oxide sheets (GO) were prepared by simple impregnation method. The catalysts were applied for selective catalytic reduction(SCR) of NO with NH
3
. Compared with the 5 wt %CeO
2
/GO and 15 wt %CeO
2
/GO catalysts, 10 wt %CeO
2
/GO catalyst exhibited better catalytic performance in the temperature range of 175–325 °C and higher SO
2
resistance at 275 °C. The as‐prepared catalysts were characterized by TEM, AFM, XPS, XRD, BET, H
2
‐TPR, NH
3
‐TPD and FT‐IR, respectively. The characterization results indicated that 10 wt %CeO
2
/GO catalyst possessed larger specific surface area, enriched surface acidic sites, high redox capacity and oxygen vacancies. In addition, Ce
3+
on the surface of CeO
2
/GO catalyst could reduce the oxidation property of SO
2
, thus improving the SO
2
resistance of the catalyst. Meanwhile, the stability of 10 wt %CeO
2
/GO catalyst was tested. At 275 °C, the NO conversion maintained at 94 % within 30 hours, suggesting the excellent stability.</description><identifier>ISSN: 2365-6549</identifier><identifier>EISSN: 2365-6549</identifier><identifier>DOI: 10.1002/slct.202101102</identifier><language>eng</language><ispartof>ChemistrySelect (Weinheim), 2021-05, Vol.6 (19), p.4859-4865</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c842-f8cbe735dd0403ea071a8ade6d583a4a4bb0bca806052e9239447d1a6b5a37273</citedby><cites>FETCH-LOGICAL-c842-f8cbe735dd0403ea071a8ade6d583a4a4bb0bca806052e9239447d1a6b5a37273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Zhou, Zhiyuan</creatorcontrib><creatorcontrib>Wang, Yongzhao</creatorcontrib><creatorcontrib>Yuan, Qunfu</creatorcontrib><creatorcontrib>Guo, Yanle</creatorcontrib><creatorcontrib>Guo, Wenyao</creatorcontrib><creatorcontrib>Xin, Zhiling</creatorcontrib><creatorcontrib>Zhang, Bingsen</creatorcontrib><creatorcontrib>Guo, Ruitang</creatorcontrib><title>Facile Preparation of CeO 2 Supported on Graphene Oxide Sheets for NH 3 ‐SCR: Improvement of Catalytic Activity and SO 2 Tolerance</title><title>ChemistrySelect (Weinheim)</title><description>In this paper, a series of highly dispersed CeO
2
catalysts on graphene oxide sheets (GO) were prepared by simple impregnation method. The catalysts were applied for selective catalytic reduction(SCR) of NO with NH
3
. Compared with the 5 wt %CeO
2
/GO and 15 wt %CeO
2
/GO catalysts, 10 wt %CeO
2
/GO catalyst exhibited better catalytic performance in the temperature range of 175–325 °C and higher SO
2
resistance at 275 °C. The as‐prepared catalysts were characterized by TEM, AFM, XPS, XRD, BET, H
2
‐TPR, NH
3
‐TPD and FT‐IR, respectively. The characterization results indicated that 10 wt %CeO
2
/GO catalyst possessed larger specific surface area, enriched surface acidic sites, high redox capacity and oxygen vacancies. In addition, Ce
3+
on the surface of CeO
2
/GO catalyst could reduce the oxidation property of SO
2
, thus improving the SO
2
resistance of the catalyst. Meanwhile, the stability of 10 wt %CeO
2
/GO catalyst was tested. At 275 °C, the NO conversion maintained at 94 % within 30 hours, suggesting the excellent stability.</description><issn>2365-6549</issn><issn>2365-6549</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpNkM1Kw0AURgdRsNRuXd8XSL0zk7-6K8X-QLFiug83Mzc0kiZhMha7c-ED-Iw-iVZFXH2Hb3EWR4hriWOJqG762vixQiVRSlRnYqB0HAVxFE7O__GlGPX9EyLKOI1VlAzE25xMVTM8OO7Ika_aBtoSZrwBBdlz17XOs4Wvd-Go23HDsHmpLEO2Y_Y9lK2D-yVo-Hh9z2aPt7Dad6498J4b_y0iT_XRVwamxleHyh-BGgvZSb9ta3bUGL4SFyXVPY9-dyi287vtbBmsN4vVbLoOTBqqoExNwYmOrMUQNRMmklKyHNso1RRSWBRYGEoxxkjxROlJGCZWUlxEpBOV6KEY_2iNa_vecZl3rtqTO-YS81PF_FQx_6uoPwEq3mXT</recordid><startdate>20210520</startdate><enddate>20210520</enddate><creator>Zhou, Zhiyuan</creator><creator>Wang, Yongzhao</creator><creator>Yuan, Qunfu</creator><creator>Guo, Yanle</creator><creator>Guo, Wenyao</creator><creator>Xin, Zhiling</creator><creator>Zhang, Bingsen</creator><creator>Guo, Ruitang</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20210520</creationdate><title>Facile Preparation of CeO 2 Supported on Graphene Oxide Sheets for NH 3 ‐SCR: Improvement of Catalytic Activity and SO 2 Tolerance</title><author>Zhou, Zhiyuan ; Wang, Yongzhao ; Yuan, Qunfu ; Guo, Yanle ; Guo, Wenyao ; Xin, Zhiling ; Zhang, Bingsen ; Guo, Ruitang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c842-f8cbe735dd0403ea071a8ade6d583a4a4bb0bca806052e9239447d1a6b5a37273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Zhiyuan</creatorcontrib><creatorcontrib>Wang, Yongzhao</creatorcontrib><creatorcontrib>Yuan, Qunfu</creatorcontrib><creatorcontrib>Guo, Yanle</creatorcontrib><creatorcontrib>Guo, Wenyao</creatorcontrib><creatorcontrib>Xin, Zhiling</creatorcontrib><creatorcontrib>Zhang, Bingsen</creatorcontrib><creatorcontrib>Guo, Ruitang</creatorcontrib><collection>CrossRef</collection><jtitle>ChemistrySelect (Weinheim)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Zhiyuan</au><au>Wang, Yongzhao</au><au>Yuan, Qunfu</au><au>Guo, Yanle</au><au>Guo, Wenyao</au><au>Xin, Zhiling</au><au>Zhang, Bingsen</au><au>Guo, Ruitang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Facile Preparation of CeO 2 Supported on Graphene Oxide Sheets for NH 3 ‐SCR: Improvement of Catalytic Activity and SO 2 Tolerance</atitle><jtitle>ChemistrySelect (Weinheim)</jtitle><date>2021-05-20</date><risdate>2021</risdate><volume>6</volume><issue>19</issue><spage>4859</spage><epage>4865</epage><pages>4859-4865</pages><issn>2365-6549</issn><eissn>2365-6549</eissn><abstract>In this paper, a series of highly dispersed CeO
2
catalysts on graphene oxide sheets (GO) were prepared by simple impregnation method. The catalysts were applied for selective catalytic reduction(SCR) of NO with NH
3
. Compared with the 5 wt %CeO
2
/GO and 15 wt %CeO
2
/GO catalysts, 10 wt %CeO
2
/GO catalyst exhibited better catalytic performance in the temperature range of 175–325 °C and higher SO
2
resistance at 275 °C. The as‐prepared catalysts were characterized by TEM, AFM, XPS, XRD, BET, H
2
‐TPR, NH
3
‐TPD and FT‐IR, respectively. The characterization results indicated that 10 wt %CeO
2
/GO catalyst possessed larger specific surface area, enriched surface acidic sites, high redox capacity and oxygen vacancies. In addition, Ce
3+
on the surface of CeO
2
/GO catalyst could reduce the oxidation property of SO
2
, thus improving the SO
2
resistance of the catalyst. Meanwhile, the stability of 10 wt %CeO
2
/GO catalyst was tested. At 275 °C, the NO conversion maintained at 94 % within 30 hours, suggesting the excellent stability.</abstract><doi>10.1002/slct.202101102</doi><tpages>7</tpages></addata></record> |
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| language | eng |
| recordid | cdi_crossref_primary_10_1002_slct_202101102 |
| source | Wiley-Blackwell Journals |
| title | Facile Preparation of CeO 2 Supported on Graphene Oxide Sheets for NH 3 ‐SCR: Improvement of Catalytic Activity and SO 2 Tolerance |
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