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Ammoxidation of carbon materials for CO_2 capture

机译:碳材料的氨氧化以捕获CO_2

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摘要

Ammoxidised carbons were produced from three different starting materials: an activated carbon obtained from wood by chemical activation using the phosphoric acid process, a steam activated peat-based carbon, and a char obtained from a low-cost biomass feedstock, olive stones. Nitrogen was successfully incorporated into the carbon matrix of the different materials, the amount of nitrogen uptake being proportional to the oxygen content of the precursor. At room temperature the CO_2 capture capacity of the samples was found to be related to the narrow micropore volume, while at 100℃ other factors such as surface basicity took on more relevance. At 100℃ all the ammoxidised samples presented an enhancement in CO_2 uptake compared to the parent carbons.
机译:氨氧化碳由三种不同的原料制得:一种是活性炭,一种是使用磷酸工艺通过化学活化从木材中获得的活性炭;一种是蒸汽活化的基于泥炭的碳;一种是从低成本生物质原料橄榄石中获得的炭。氮已成功地掺入不同材料的碳基质中,氮的吸收量与前体的氧含量成正比。在室温下,样品的CO_2捕集能力与狭窄的微孔体积有关,而在100℃下,其他因素(如表面碱度)具有更大的相关性。与母体碳相比,在100℃下,所有氨氧化样品均表现出更高的CO_2吸收率。

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  • 来源
    《Applied Surface Science》 |2010年第22期|p.6843-6849|共7页
  • 作者单位

    Institute National del Carbon (INCAR), CS1C, Apartado 73,33080 Oviedo, Spain;

    Institute National del Carbon (INCAR), CS1C, Apartado 73,33080 Oviedo, Spain;

    Institute National del Carbon (INCAR), CS1C, Apartado 73,33080 Oviedo, Spain;

    Institute National del Carbon (INCAR), CS1C, Apartado 73,33080 Oviedo, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ammoxidation; carbon materials; adsorption; co_2 capture;

    机译:氨氧化碳材料;吸附co_2捕获;

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