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大块碳气凝胶对甲苯的可逆吸附 已有2人参与
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Reversible toluene adsorption on monolithic carbon aerogels，Journal of Hazardous Materials 148 (2007) 548–552. 影响因子：4.331 摘要：Thirteen monolithic carbon aerogels with different pore textures were used as toluene adsorbents. Adsorption was carried out under both staticand dynamic conditions. Under static conditions at 25℃ and at saturation, an adsorption capacity as high as 1.36 cm3g−1or 1180mg−1was obtained. Toluene adsorption was a reversible process in all carbon aerogels, and the adsorbed toluene was completely recovered by heating them at 400℃. Regenerated adsorbents showed larger surface area and micropore width than the original samples, indicating that no pore blockage was produced. Adsorption under dynamic conditions at 100℃was also completely reversible after at least three consecutive adsorption–desorption cycles. The ability of these carbon aerogels to reversibly adsorb toluene could be useful for their application in thermal swing adsorption or pressure swing adsorption equipments. 中文翻译摘要：十三个大块的具有不同孔结构的碳气凝胶用于甲苯的吸附剂。在动态条件和静态条件下实施了吸附过程。在25℃静态条件下，获得了高达1.36cm3g-1或1180mg g-1的饱和吸附量。在所有的 碳气凝胶中，甲苯的吸附是一个可逆的过程，通过将它们加热到400℃，吸附了的甲苯可以完全获得。再生的吸附剂比原来的试样具有大的表面积和微孔宽度，表明没有产生孔的堵塞。在100℃动态条件下的吸附在至少3个连续的吸附-解吸附后也完全的可逆。这些碳气凝胶可逆吸附甲苯的能力可应用于热旋转吸附或是压力旋转吸附设备。 想获得更多资源可点击链接http://www.tjdrfk.com/news  3.jpg  1.jpg  2.jpg |
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2014-10-28 13:39:12, 272.89 K
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