期刊
CARBON
卷 48, 期 11, 页码 3293-3295出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2010.04.042
关键词
-
资金
- National Natural Science Foundation of China [30671651, 30972317]
Activated carbon samples have been prepared by heating China fir (Cunninghamia lanceolata) wood impregnated with phosphoric acid in an effort to elucidate the effect of the heating history of impregnated material on the porous texture of the activated carbon. Analysis of the pore structure of the activated carbon in terms of nitrogen adsorption isotherms showed that both using an intermediate isothermal treatment and slowing the heating rate up to 300 degrees C favor pore development but have a detrimental effect above 300 degrees C. Therefore, it is recommended that a two-step heating program is applied for phosphoric acid activation. (C) 2010 Elsevier Ltd. All rights reserved.
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