OALib Journal期刊
Nitrogen-dopedcarbonnanotubesonsiliconcarbideasametal-freecatalyst
DOI: 10.1016/S1872-2067(14)60116-9
Keywords: Nitrogen-dopedcarbonnanotubes ,Siliconcarbide ,Selectiveoxidation ,H2S ,Dehydrogenation ,Ethylbenzene
Abstract:
？Ahierarchicalmetal-freecatalystconsistingofnitrogen-dopedcarbonnanotubesdecoratedontoasiliconcarbide(N-CNTs/SiC)macroscopichoststructurewasprepared.TheinfluenceofN-CNTsincorporationonthephysicalpropertiesofthesupportwasevaluatedusingdifferentcharacterizationtechniques.Thecatalystwastestedasametal-freecatalystintheselectiveoxidationofH2Sandsteam-freedehydrogenationofethylbenzene.TheN-CNTs/SiCcatalystexhibitedextremelygooddesulfurizationperformancecomparedtoaFe2O3/SiCcatalystunderlessconducivereactionconditionssuchaslowtemperature,highspacevelocity,andalowO2-to-H2Smolarratio.Forthedehydrogenationofethylbenzene,ahigherdehydrogenationactivitywasobtainedwiththeN-CNTs/SiCcatalystcomparedtoacommercialK-Fe/Al2O3catalyst.TheN-CNTs/SiCcatalystalsodisplayedgoodstabilityasafunctionoftimeonstreamforbothreactions,whichwasattributedtothestronganchoringofthenitrogendopantinthecarbonmatrix.TheextrudateshapeoftheSiCsupportallowedthedirectmacroscopicshapingofthecatalystforuseinaconventionalfixed-bedreactorwithouttheproblemsofcatalysthandling,transportation,andpressuredropacrossthecatalystbedthatareencounteredwithnanoscopiccarbon-basedcatalysts.
References
[1] Tuci G, Zafferoni C, D'Ambrosio P, Caporali S, Ceppatelli M, Rossin A, Tsoufis T, Innocenti M, Giambastiani G. ACS Catal, 2013, 3: 2108 [2] Chen C L, Zhang J, Zhang B S, Yu C L, Peng F, Su D S. Chem Commun, 2013, 49: 8151 [3] Villa A, Tessonnier J P, Majoulet O, Su D S, R. Schl？gl R. ChemSusChem,2010, 3: 241 [4] Cao Y H, Yu H, Tan J, Peng F, Wang H J, Li J, Zheng W X, Wong N B. Carbon, 2013, 57: 433 [5] Wang H B, Maiyalagan T, Wang X. ACS Catal, 2012, 2: 781 [6] Yu D S, Nagelli E, Du F, Dai L M. J Phys Chem Lett, 2010, 1: 2165 [7] Peng S, Cho K. Nano Lett, 2003, 3: 513 [8] Su D S, Zhang J, Frank B, Thomas A, Wang X C, Paraknowitsch J, Schl？gl R. ChemSusChem, 2010, 3: 169 [9] Luo J, Peng F, Wang H, Yu H. Catal Commun, 2013, 39: 44 [10] Liu Y F, Nguyen L D, Truong-Huu T, Liu Y, Romero T, Janowska I, Begin D, Pham-Huu C. Mater Lett, 2012, 79: 128 [11] Deneuve A, Florea I, Ersen O, Nguyen P, Pham C, Begin D, Edouard D, Ledoux M J, Pham-Huu C. Appl Catal A, 2010, 385: 52 [12] Florea I, Ersen O, Hirlimann C, Roiban L, Deneuve A, Houllé M, Janowska I, Nguyen P, Pham C, Pham-Huu C. Nanoscale, 2010, 2: 2668 [13] Liu Y F, Ersen O, Meny C, Luck F, Pham-Huu C. ChemSusChem, 2014, DOI: 10.1002/cssc.201300921 [14] Zhong D Y, Lin S, Zhang G Y, Wang E G. J Appl Phys, 2001, 89: 5939 [15] Biniak S, Szymanski G, Siedlewski J, Wiatkoski A. Carbon, 1997,35: 1799 [16] Gulino G, Vieira R, Amadou J, Nguyen P, Ledoux M J, Galvagno S, Centi G, Pham-Huu C. Appl Catal A, 2005, 279: 89 [17] Keller N, Pham-Huu C, Crouzet C, Ledoux M J, Savin-Poncet S, Nougayrede J B, Bousquet J. Catal Today, 1999, 53: 535 [18] Gong K P, Du F, Xia Z H, Durstock M, Dai L M. Science, 2009, 323: 760 [19] Keller N, Pham-Huu C, Ledoux M J. Appl Catal A, 2001, 217: 205 [20] Yasuda S, Yu L, Kima J, Murakoshi K. Chem Commun, 2013, 49: 9627 [21] Qu L T, Liu Y, Baek J-B, Dai L M. ACS Nano, 2010, 4: 1321 [22] Nederlof C, Kapteijn F, Makkee M. Appl Catal A, 2012, 417-418: 163 [23] Bégin D, Ulrich G, Amadou J, Su D S. Pham-Huu C, Ziessel R. J Mol Catal A, 2009, 302: 119 [24] Amadou J, Chizari K, Houllé M, Janowska I, Ersen O, Bégin D, Pham-Huu C. Catal Today,2008, 138: 62 [25] Villa A, Tessonnier J P, Majoulet O, Su D S, Schl？gl R. Chem Commun, 2009: 4405 [26] Chizari K, Deneuve A, Ersen O, Florea I, Liu Y, Edouard D, Janowska T, Begin D, Pham-Huu C. ChemSusChem, 2012,5: 102 [27] Long J L, Xie X Q, Xu J, Gu Q, Chen L M, Wang X X. ACS Catal, 2012, 2: 622 [28] Su D S, Perathoner S, Centi G. Chem Rev, 2013, 113: 5782 [29] Gao Y J, Hu G, Zhong J, Shi Z J, Zhu Y S, Su D S, Wang J G, Bao X H, Ma D. Angew Chem Int Ed, 2013, 52: 2109 [30] Nguyen P, Pham C. Appl Catal A, 2011, 391: 443 [31] Chizari K, Janowska I, Houllé M, Florea I, Ersen O, Romero T, Bernhardt P, Ledoux M J, Pham-Huu C. Appl Catal A, 2010, 380: 72 [32] Louis B, Gulino G, Vieira R, Amadou J, Dintzer T, Galvagno S, Centi G, Ledoux MJ, Pham-Huu C. Catal Today, 2005, 102-103: 23 [33] Florea I, Ersen O, Arenal R, Ihiawakrim D, Messaoudi C, Chizari K, Janowska I, Pham-Huu C. J Am Chem Soc, 2012, 134: 9672 [34] Terrones M, Benito A M, Manteca-DiegoC, Hsu W K, Osman O I, Hare J P, Reid D G, Terrones H, Cheetham A K, Prassides K, Kroto H W, Walton D R M. Chem Phys Lett, 1996, 257: 576 [35] Chizari K, Vena A, Laurentius L, Sundararaj U. Carbon, 2014, 68: 369 [36] Choi H C, Park J, Kim B. J Phys Chem B, 2005, 109: 4333 [37] Choi H C, SBae S Y, Park J, Seo K, Kim C, Kim B, Song H J, Shin H J. Appl Phys Lett, 2004, 85: 5742 [38] Strelko V V, Kartel N T, Dukhno I N, Kuts V S, Clarkson R B, Odintsov B M. Surf Sci, 2004, 548: 281 [39] Liu Y F, Dintzer T, Ersen O, Pham-Huu C. J Energy Chem, 2013, 22: 279 [40] Nguyen P, Edouard D, Nhut J M, Ledoux M J, Pham C, Pham-Huu C. Appl Catal B, 2007, 76: 300 [41] Zhao Q, Feillinger T P, Antoneitti M, Yuan J. J Mater Chem A, 2013, 1: 5113 [42] Zhang J, Su D S, Blume R, Schlogl R, Wang R, Yang X G, Gajovic A. Angew Chem Int Ed, 2010, 49: 8640
Full-Text
Contact Us
service@oalib.com
QQ:3279437679
WhatsApp +8615387084133
