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以比表面积为2621m2/g的超高比表面积活性炭为原料,酚醛树脂为粘结剂,制得比表面积为1887m2/g的蜂窝状活性炭,并考察了其对CO2的吸脱附性能.研究结果表明,在25℃/常压下,该蜂窝状活性炭对CO2的饱和吸附量为2.15mmol/g,对浓度为15%的CO2的平衡吸附量为0.96mmol/g;当采用抽真空脱附时,CO2的循环脱附效率仅77.5%,但采用电解吸-抽真空耦合脱附技术时,循环脱附效率接近100%.

参考文献

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