Influence of porosity and surface groups on the catalytic activity of carbon materials for the microwave-assisted CO_2 reforming of CH_4

B. Fidalgo; A. Arenillas; J.A. Menendez

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Influence of porosity and surface groups on the catalytic activity of carbon materials for the microwave-assisted CO_2 reforming of CH_4

机译：孔隙率和表面基团对微波辅助CH_4 CO_2重整碳材料催化活性的影响

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摘要

In this work, various carbon materials were studied as catalysts/microwave receptors for the CO_2 reforming of the CH_4 reaction. Carbon materials with a different textural development (metallurgical coke, activated carbons, re-activated carbon) were selected as catalysts in order to determine the role of porosity and pore size in dry reforming. Microporosity was found to be necessary for a good performance of the carbon catalysts. An activated carbon and an oxidized activated carbon were compared in order to evaluate the influence of oxygen surface groups on the catalytic activity of carbons for the dry reforming reaction. Oxidized carbons were found to be bad catalysts, especially under microwave heating. The importance of CO_2 reactivity for carbon materials to be able to act as acceptable catalysts was also established.

机译：在这项工作中，研究了各种碳材料作为CH_4反应的CO_2重整的催化剂/微波受体。为了确定孔隙率和孔径在干重整中的作用，选择了具有不同质地的碳材料（冶金焦，活性炭，再活化碳）作为催化剂。发现微孔对于碳催化剂的良好性能是必要的。比较活性炭和氧化的活性炭，以评估氧表面基团对干重整反应的碳催化活性的影响。发现氧化的碳是不良的催化剂，尤其是在微波加热下。还确定了CO_2反应性对于碳材料能够用作可接受的催化剂的重要性。

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来源
《Fuel》 |2010年第12期|p.4002-4007|共6页
作者
B. Fidalgo; A. Arenillas; J.A. Menendez;
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作者单位

Instituto National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

rnInstituto National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

rnInstituto National del Carbon, CSIC, Apartado 73, 33080 Oviedo, Spain;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
dry reforming of CH_4; carbon-based catalysts; microwave heating;

机译：CH_4的干重整;碳基催化剂;微波加热;

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Influence of porosity and surface groups on the catalytic activity of carbon materials for the microwave-assisted CO_2 reforming of CH_4

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