Effects of the crystallinity of lignocellulosic material on the porosity of phosphoric acid-activated carbon
Effects of the crystallinity of lignocellulosic material on the porosity of phosphoric acid-activated carbon
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木质纤维素材料结晶度对磷酸活性炭孔隙率的影响
DOI:
10.1016/j.carbon.2009.08.026
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发表时间:
2009-12
期刊:
影响因子:
10.9
通讯作者:
Liu, Junli
中科院分区:
文献类型:
--
作者:
Zuo, Songlin;Cai, Xuan;Yang, Jianxiao;Liu, Junli
Activated carbons were prepared from three different lignocellulosic materials or in various lengths of impregnation time by phosphoric acid activation. The porous texture of activated carbon was analyzed in terms of the adsorption isotherm of nitrogen, and the crystallinity of lignocellulosic material was measured by X-ray diffraction method. The results showed that decreasing the crystallinity of lignocellulosic material promotes pore development, especially of mesopores. However, excessive impregnation is detrimental to activation. Impregnation and the selection of parent lignocellulosic material have a similar effect on developing porosity during phosphoric acid activation.
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通讯作者:
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