Hydrogen-Rich Syngas Production via Dry and Steam Reforming of Methane in Simulated Producer Gas over ZSM-5-Supported Trimetallic Catalysts

被引:2
作者
Iminabo, John Tamunosaki [1 ,2 ]
Iminabo, Misel [1 ,2 ]
Yip, Alex C. K. [1 ]
Pang, Shusheng [1 ]
机构
[1] Univ Canterbury, Dept Chem & Proc Engn, Christchurch 8041, New Zealand
[2] Rivers State Univ, Dept Chem Petrochem Engn, PMB 5080, Port Harcourt, Nigeria
关键词
trimetallic catalyst; dry methane reforming (DRM); steam methane reforming (SRM); titanomagnetite; ZSM-5; support; CARBON-DIOXIDE; BIMETALLIC CATALYSTS; BIOMASS GASIFICATION; NI; CO; DECOMPOSITION; RESISTANT; NANOPARTICLES; NANOMATERIALS; PERFORMANCE;
D O I
10.3390/en16227518
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This study investigated the production of hydrogen-rich syngas from renewable sources using durable and efficient catalysts. Specifically, the research focused on steam methane reforming (SRM) and dry methane reforming (DRM) of simulated producer gas from biomass steam gasification in a fluidized bed reactor. The catalysts tested are ZSM-5-supported nickel-iron-cobalt-based trimetallic catalysts in different ratios, which were prepared via the wet impregnation method. Synthesized catalysts were characterized using XRD, BET, H2-TPR, and SEM techniques. The results of the SRM with the simulated producer gas showed that the 20%Ni-20%Fe-10%Co/ZSM-5 trimetallic catalyst, at a gas hourly space velocity (GHSV) of 12 L center dot h-1 center dot g-1 and reaction temperature of 800 degrees C, achieved the highest CH4 conversion (74.8%) and highest H2 yield (65.59%) with CO2 conversion (36.05%). Comparing the performance of the SRM and DRM of the simulated producer gas with the 20%Ni-20%Fe-10%Co/ZSM5 at a GHSV of 36 L center dot h-1 center dot g-1 and 800 degrees C, they achieved a CH4 conversion of 67.18% and 64.43%, a CO2 conversion of 43.01% and 52.1%, and a H2 yield of 55.49% and 42.02%, respectively. This trimetallic catalyst demonstrated effective inhibition of carbon formation and sintering, with only 2.6 wt.% carbon deposition observed from the thermo-gravimetric analysis of the used catalyst from the SRM of the simulated producer gas, thus promoting the potential of the ZSM-5-supported trimetallic catalysts in methane reforming.
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页数:19
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