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| 1 | 废旧活性炭的微波再生技术综述显示文摘由于微波加热不同于常规加热的分子升温特性,微波再生活性炭技术具有能量消耗小、加热时间短、再生效率高等优点,且再生后的活性炭比表面积和孔隙结构恢复较好。本文在介绍微波再生活性炭技术的基本原理、发展过程和研究进展的基础上,总结了微波技术在活性炭再生方面的发展特点,并据此提出了微波再生废旧活性炭技术发展的关键影响因素和未来期望。 | 韩英杰 伍成梁 潘淑杰 顾平 张光辉 董丽华 | 2021 | 化工环保2021，41，6： | 3 |
| 2 | Molecular Simulation of Methane Adsorption in Different Micro Porous Activated Carbons at Different Temperatures显示文摘We employed the previously developed micro porous activated carbon models of different pore sizes ranges of 9-11?,10-12?,and 13-16?that were constructed by molecular simulation method based on a random packing of platelets of carbon sheets,functionalized with oxygen containing groups,to study the adsorption behavior of methane molecules.In studying methane adsorption behavior,we used Grand Canonical Monte Carlo and Molecular Dynamics methods at different temperatures of 273.15,298.15 and303.15 K.Adsorption isotherms,isosteric heats of adsorption,adsorption energy distributions and porosity changes of the models during adsorption process were analyzed and discussed.Furthermore,radial distribution Functions,relative distribution and diffusion coefficients of methane molecules in activated carbon models at different temperatures were studied.After the analysis,the main results indicated that large micro pores activated carbons were favorable for storing methane at lower temperatures and small micro pores were the most favorable for adsorbing methane molecules at higher temperatures.Interestingly,the developed model structures showed high capacities to store methane molecule at ambient temperatures and low pressure. | Rugarabamu John Rwiza 赵东风 SONG Kunli LI Shi | 2023 | Journal of Wuhan University of Technology(Materials Science)2023，38，1： | 0 |
| 3 | VOCs在活性炭中的堆积:形成机制及影响因素显示文摘活性炭吸附是含挥发性有机物(volatile organic compounds,VOCs)工业有机废气净化的有效方法。然而,在实际应用中常见吸附了VOCs的活性炭难以完全脱附,尤其是在净化含苯乙烯、丁二烯等成分的废气时甚至出现脱附后活性炭吸附容量大幅衰减的现象。本文评价近年来活性炭吸/脱附的研究进展,梳理活性炭吸附性能衰减的原因,识别活性炭孔隙堆积物种类和探讨堆积物的形成机制,以厘清影响堆积形成的关键因素。结果表明,被吸附的VOCs在活性炭循环吸/脱附过程中通过热解、偶联、聚合、热氧化反应及化学吸附等方式形成堆积物,堵塞孔道,堆积物可能是化学吸附物种、半焦/焦炭和聚合物;其中高吸附温度、低再生升温速率、高吹扫气流速、高沸点及动力学直径较大的VOCs和高微孔率的活性炭更易导致堆积形成;脱附温度、再生吹扫气含氧量、VOCs分子结构、活性炭表面官能团及无机成分对堆积的影响还未有定论。研究开发高效再生方法、活性炭定向制备与改性或是缓解堆积的技术途径。 | 周红阳 周逸寰 张连秀 梁鼎成 解强 | 2023 | 化工进展2023，42，11： | 0 |
| 4 | Dynamic Adsorption of Toluene on Hierarchical Porous Carbons with Varying Pore Structure显示文摘Hierarchical porous carbon material(MMC)was successfully fabricated via hard template synthesis method by carbonization of furfury alcohol within the template(MCM-41).The prepared MMC was studied with characterization methods including scanning electron microscopy(SEM),transmission electron microscopy(TEM),nitrogen adsorption-desorption analyses,and infrared spectral analysis(FTIR).To investigate kinetics of toluene adsorption of hierarchical porous carbon materials,the adsorption performances of these carbon samples with varying pore structure(MC-1,MMC,MMHPC)were analyzed via dynamic adsorption.And the Langmuir model and Freundlich equation were employed to correspond with adsorption isotherms to study the adsorption mechanism.The experimental results demonstrate that the Langmuir model is more appropriate to describe the adsorption process.The capacities of toluene adsorption follow the order of MMC | 闫茜 | 2021 | Journal of Wuhan University of Technology(Materials Science)2021，36，2： | 0 |
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