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Issue:
Porous Carbon Prepared from Rice Hull by Alkali Cooking
Author(s):
YANG Jian-xiao
,
ZHANG Yu
,
ZUO Song-lin
Pages:
117
-
119
Year:
2009
Issue:
4
Journal:
China Forestry Science and Technology
Keyword:
稻壳
;
碱浸提
;
多孔质炭
;
Abstract:
采用碱浸提法制备了稻壳多孔质炭,探讨了碱煮稻壳炭化物制备多孔质炭的可行性,以及稻壳的炭化温度、碱液浓度、碱煮时间和浸提次数等因素对多孔质炭的碘吸附值和亚甲基蓝吸附值等吸附性能的影响.结果表明:使用2 mol/L的氢氧化钠溶液溶对600℃下炭化得到的稻壳炭化物1次碱煮2 h后,能够制备出碘吸附值达600mg/g,亚甲基蓝吸附值为45.4 mL/g的多孔质炭.用碱液直接浸提稻壳炭化物制备多孔质炭的方法是可行的.
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