摘要
研究了氧化原位固化黑荆树皮(YYGHS)对金属离子的吸附特性.结果表明原位固化黑荆树皮(YGHS)经氧化后对Cu2+、Zn2+、Ni2+吸附量增加450%以上.在25℃、pH值4.82和Cu2+的初始质量浓度为272 mg.L-1的条件下,YYGHS对Cu2+的吸附量达到44.3 mg.g-1.在本实验条件下YYGHS对Cu2+的吸附符合拟二级速度方程和Langmuir吸附等温方程.
The adsorption characterization of modified barks of black wattle to metal ions was investigated. The results showed that the oxidization of n-situ immobilized barks of black wattle resulted in the increase of more than 450% in adsorption capacities of the bark to Cu^2＋, Zn^2＋ and Ni^2＋. The adsorption capacity of the bark to Cu^2＋ was 44.3 mg ·g^-1 at 298 K when the initial concentration of Cu^2＋ and pH value was 272 mg ·L^-1 and 4.82, respectively. The adsorption of Cu^2＋ on the bark can be described by pseudo-second-order rate equation and Langmuir equation.
出处
《福建师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2010年第3期40-42,共3页
Journal of Fujian Normal University：Natural Science Edition
基金
福建省教育厅科技项目(JB06078)
关键词
黑荆树皮
氧化
吸附
金属离子
black wattle bark oxidization adsorption metal ions
