环境工程学报2009,Vol.3Issue(8):1419-1424,6.
木棉基活性炭纤维吸附性能的研究
Adsorptive properties of kapok-based activated carbon fiber
摘要
Abstract
A new kind of kapok.based activated carbon fiber(ACF)was prepared by activation with diammonium hydrogen phosphate(NH4)2 HPO4 at 650℃for 70 min.Two pretreatment methods(air pre-oxidation after and before impregnation)and one without pre-oxidation were adopted to produce AK-2.AK-3 and AK-1 respectively.The ACFs were employed in wastewater treatment to adsorb phenol and methylene blue(MB).The experiments displayed that AK-2 had the highest adsorption capacity for phenol(137.00 mg/g),and AK-1 for MB(274.11 mg/g).The results showed the data of adsorption isotherms for phenol fitted the Freundlich model better,while the data of AK-1 fitted Langmuir model better in adsorption of MB,the data of AK-2 and AK-3 fitted Freundlich model better.The data of adsorption kinetics fitted the pseudo first-order model better in adsorption of phenol.while the data fitted the pseudo second-order model better in adsorption of MB.关键词
木棉/活性炭纤维/含氧基团/吸附Key words
kapok/activated carbon fiber/oxygen-containing group/adsorption分类
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荣达,周美华..木棉基活性炭纤维吸附性能的研究[J].环境工程学报,2009,3(8):1419-1424,6.基金项目
东华大学生态纺织教育部重点实验室资助(Eco-KF-2007-11) (Eco-KF-2007-11)
上海市重点学科建设项目资助(B604) (B604)