High catalytic performance of Fe-rich palygorskite clay-supported Ni catalysts for steam reforming of toluene

Minghao Ji; Xuehua Zou; Haibo LiuYinsheng ZhangShiwei DongChengrui XuQiaoqin XieDong ChenChengzhu ZhuTianhu Chen

首页> 外文期刊>Clay minerals: Journal of the Clay Minerals Group of the Mineralogical Society >High catalytic performance of Fe-rich palygorskite clay-supported Ni catalysts for steam reforming of toluene

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High catalytic performance of Fe-rich palygorskite clay-supported Ni catalysts for steam reforming of toluene

机译：High catalytic performance of Fe-rich palygorskite clay-supported Ni catalysts for steam reforming of toluene

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The development and application of Fe-rich palygorskite clay has been restricted significantly by its red colour and low grade. Moreover,the nano-structured properties of palygorskite and the relatively large Fe content of Fe-rich palygorskite clay have received insufficientattention. The present study involved the synthesis of Ni-based catalysts via a coprecipitation method using Fe-rich palygorskite clay asthe support. The catalysts were then evaluated for their performance for catalytic steam reforming of toluene (CSRT). The experimentalfindings revealed that the Fe in Fe-rich palygorskite clay interacted strongly with Ni and formed Fe-Ni alloys. The catalyst with a Ni/Femass ratio of 14 (Ni_(14)/FePal) calcined in air at 600℃ exhibited superior performance for CSRT under the reaction temperature 700℃and S/C molar ratio of 1.0. According to the kinetics study, Ni_(14)/FePal exhibited the lowest apparent activation energy (33.99 kJ mol?1)among the catalysts, which further confirmed the superior catalytic activity in CSRT. The characterizations of the catalysts used demonstratedthat the excellent stability and resistance to coke formation of Ni_(14)/FePal were attributable to the presence of a sufficient amountof highly dispersed Fe-Ni alloys on its surface.

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《Clay minerals: Journal of the Clay Minerals Group of the Mineralogical Society》 |2023年第1期|67-81|共15页
作者
Minghao Ji; Xuehua Zou; Haibo LiuYinsheng ZhangShiwei DongChengrui XuQiaoqin XieDong ChenChengzhu ZhuTianhu Chen;
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作者单位

Institute of Environmental Minerals and Materials, School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China,KeyLaboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, Hefei Univ;

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正文语种英语
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Biomass tar; Fe-Ni alloys; Fe-rich palygorskite clay; steam reforming; toluene;

High catalytic performance of Fe-rich palygorskite clay-supported Ni catalysts for steam reforming of toluene

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