Comparative study of fluidized-bed and fixed-bed reactor for syngas methanation over Ni-W/TiO2-SiO2catalyst-中国Betway体育网页登陆

摘要 Inthiswork,syngasmethanationoverNi-W/TiO2-SiO2catalystwasstudiedinafluidized-bedreactor(FBR)anditsperformancewascomparedwithafixed-bedreactor(FIXBR).Theeffectsofmainoperatingvariablesincludingfeedstockgasesspacevelocity,cokecontent,bedtemperatureandsulfur-tolerantstabilityof100hlifewereinvestigated.ThestructureofthecatalystswascharacterizedbyXRD,N2adsorptiondesorptionandTEM.Itisfoundthatundersamespacevelocityfrom5000h1to25000h1FBRgaveahigherCH4yield,lowercokecontent,andlowerbedtemperaturethanthoseobtainedinFIXBR.Ni-W/TiO2-SiO2catalystpossessedexcellentsulfur-tolerantstabilityonthefeedstockgaseslessthan500ppmH2SinFBR.ThecarbondepositsformedonthespentcatalystwereintheformofcarbonfibersinFBR,whileintheformofdenseaccumulationdistributionappearanceinFIXBR.

1.2x300 MW circulating fluidized-bed units passed trial operation.电机,2011-03.
2Jan van Egmond;Mike Tilston.Some recent advances in fluidized-bed polymerization technology.力学,2010-06.
3Zhe XU;Jian-guo CAI;Bing-cai PAN.Review： Mathematically modeling fixed-bed adsorption in aqueous systems.物理,2013-03.
4Lei Ma;Aiping Chen;Jindong Lu;Zhe Zhang;Hongbo He;Chunzhong Li.In situ synthesis of CNTs/Fe-Ni/TiO2 nanocomposite by fluidized bed chemical vapor deposition and the synergistic effect in photocatalysis.力学,2014-03.
5CuiLin;ShenYouting;等.Experimental and Modeling Investigation of Coal Gasification in a Fluidized Bed Reactor.物理,1996-04.
6Ren Shihong;Mao Anguo;Wei Xiaoli.The Influence of Feeding Method on Fluidization Behavior of Fixed Fluidized Bed.油气加工工程,2014-01.
7DongZhang PanfengFan DongfangWu YongdanLi.PRESSURE DROP ACROSS A FIXED BED REACTOR WITH MECHANICAL FAILURE OF CATALYST PELLETS DESCRIBED BY SIMPLIFIED ERGUN＇S EQUATION.力学,2005-01.
8Song Yun;Weizhong Qian;Chaojie Cui;Yuntao Yu;Chao Zheng;Yi Liu;Qiang Zhang;Fei Wei.Highly selective synthesis of single-walled carbon nanotubes from methane in a coupled Downer-turbulent fluidized-bed reactor.物理,2013-04.
9王敏炜;罗来涛;李凤仪;王继军.Effect of La2O3on Methanation of CO and CO2over Ni-Mo/γ-Al2O3Catalyst.有色金属冶金,2000-01.
10Jun Li;Xinwei Liu;Li Zhou;Qingshan Zhu;Hongzhong Li.A two-stage reduction process for the production of high-purity ultrafine Ni particles in a micro-fluidized bed reactor.力学,2015-02.

Comparative study of fluidized-bed and fixed-bed reactor for syngas methanation over Ni-W/TiO2-SiO2catalyst

来源期刊

相关推荐

同分类资源更多

相关关键词