Mechanochemical Synthesis of Tannic Acid-Fe Coordination Compound and Its Derived Porous Carbon for CO2 Adsorption,Energy & Fuels

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Mechanochemical Synthesis of Tannic Acid-Fe Coordination Compound and Its Derived Porous Carbon for CO2 Adsorption
Energy & Fuels ( IF 5.2 ) Pub Date : 2018-09-18 00:00:00 , DOI: 10.1021/acs.energyfuels.8b02352
Chao Cai ₁ , Ning Fu ₁ , Ziwei Zhou ₁ , Mengchen Wu ₁ , Zhenglong Yang ₁ , Rui Liu ₁

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A tannic acid-Fe coordination compound has been prepared via a simple mechanochemical method. The compound could be used as precursors for the fabrication of porous carbon, which was successfully applied as adsorbent for CO₂ capture. The obtained porous adsorbent, NFePC-10-A, exhibited relatively high CO₂ uptake capacities of 5.8 and 3.4 mmol g^–1 at 0 and 25 °C, respectively. In addition, the initial isosteric heat of adsorption and selectivity for CO₂/N₂ were as high as 63.16 kJ mol^–1 and 22.7 (0 °C). Meanwhile, the adsorbent underwent an efficient reusability, indicating a good potential for practical use. This feasible strategy might provide a novel precursor for the large-scale production of bio-derived carbonaceous adsorbents with tailored texture and porosity for CO₂ capture and storage.

中文翻译：

鞣酸-铁配位化合物及其衍生的多孔碳的机械化学合成对CO _2的吸附

单宁酸-铁配位化合物已通过简单的机械化学方法制备。该化合物可以用作制造多孔碳的前体，成功地将其用作捕获CO _2的吸附剂。所获得的多孔吸附剂NFePC-10-A在0和25°C下的相对较高的CO ₂吸收能力分别为5.8和3.4 mmol g ^–1。此外，初始等规吸附热和对CO ₂ / N _2的选择性高达63.16 kJ mol ^–1和22.7（0°C）。同时，吸附剂具有有效的可重复使用性，表明其具有良好的实际应用潜力。这种可行的策略可能为大规模生产生物来源的碳质吸附剂提供一种新颖的前驱体，该碳质吸附剂具有适合CO ₂捕获和储存的定制质地和孔隙率。

更新日期：2018-09-18

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