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- W4281730811 abstract "Nitrogen (N)-doped carbon materials have become promising candidates for many applications. In this paper, the biomass activated carbon (BC) was obtained by carbonization and activation of soybean meal. Using soybean meal as the precursor, potassium hydroxide (KOH) as the activator and melamine as the nitrogen source, a series of N-doped porous biomass carbons (H-NC-X) with different N contents were achieved via a facile post-treatment nitrogen doping strategy. Then these samples were used as a catalyst for dry reforming of methane (DRM) reaction and an adsorbent for CO 2 capture. Among all the investigated samples, BC has the largest specific surface area and the best pore structure characteristics, showing the best CO 2 adsorption capacity. However, when BC was used as a catalyst for DRM reaction, it showed the worst catalytic performance. After nitrogen doping treatment, the CO 2 adsorption capacity of the prepared N-doped biomass porous carbon decreased gradually with the increase of the introduced N content. This is mainly due to the destruction of the microporous structure of porous carbon by post-processing nitrogen doping. In contrast, when nitrogen-doped porous carbon was used as the reforming catalyst, the catalytic activity increased with the increase of the introduced N content. The order was: H-NC-30>H-NC-20>H-NC-10. This indicates that when nitrogen-doped porous carbon was used as an adsorbent, the pore structure plays a major role; while when it was used as a reforming catalyst, nitrogen functional groups are the major active sites. This study provides a promising N-doped carbon material for effect CO 2 adsorption and DRM reactions. • The N content has an important effect on the properties of N-doped biochar. • The structural properties of biochar play a key role in CO 2 adsorption. • The basic functional groups of biocarbon affect its DRM catalytic performance." @default.
- W4281730811 created "2022-06-13" @default.
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- W4281730811 date "2022-07-01" @default.
- W4281730811 modified "2023-10-17" @default.
- W4281730811 title "Nitrogen-doped porous carbons derived from sustainable biomass via a facile post-treatment nitrogen doping strategy: Efficient CO2 capture and DRM" @default.
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- W4281730811 doi "https://doi.org/10.1016/j.ijhydene.2022.05.222" @default.
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