Feifei Liu
Shandong University
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Publication
Featured researches published by Feifei Liu.
Journal of Hazardous Materials | 2010
Xin-Hua Wang; Ruihong Song; Shao-Xiang Teng; Mingming Gao; Jian-Yuan Ni; Feifei Liu; Shu-Guang Wang; Baoyu Gao
Disintegrated aerobic granules (DAG) as an effective biosorbent had great potential to remove Cu(II) from aqueous solution. The effects of solution pH value, contact time, initial Cu(II) concentration on the biosorption were investigated. Kinetic studies indicate that pseudo-second-order model with correlation coefficients of 0.9999 best fits the Cu(II) biosorption process. Investigation of the biosorption mechanisms shows that Cu(II) biosorption is associated with a significant release of Ca(II). The adsorption capacity of extracted extracellular polymeric substances (EPS) was 2.34 times as much as that of pristine DAG, indicating the significant role of EPS in adsorption. In order to determine the role of different functional groups, DAG was chemically modified to block specific functional groups and was then used in the adsorption of Cu(II). The anionic carboxyl group, was identified as the key binding site for the cationic Cu(II). Results reveal that ion exchange is the most important biosorption mechanism but other mechanisms to some extent like electrostatic interaction, involving in functional groups, also play a part.
Desalination | 2010
Feifei Liu; Shaoxiang Teng; Ruihong Song; Shuguang Wang
Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2013
Xin-Hua Wang; Feifei Liu; Lei Lu; Sen Yang; Yu Zhao; Lin-Bio Sun; Shu-Guang Wang
Archive | 2010
Chenglu Zhang; Shuang Liang; Lijian Zhao; Lei Lu; Shu-Guang Wang; Feifei Liu
Archive | 2009
Shu-Guang Wang; Chenglu Zhang; Feifei Liu; Lijian Zhao
Archive | 2009
Shu-Guang Wang; Chenglu Zhang; Lihui Huang; Yijing Shi; Feifei Liu; Lei Lu; Ruihong Song
Archive | 2009
Shu-Guang Wang; Chenglu Zhang; Feifei Liu; Lijian Zhao; Lei Lu; Yijing Shi; Ruihong Song
Archive | 2009
Chenglu Zhang; Jian Zhang; Feifei Liu; Weifeng Liu; Qianqian Shi; Jingtao Xu; Suhong Chen
Archive | 2009
Shu-Guang Wang; Chenglu Zhang; Feifei Liu; Lijian Zhao; Lei Lu; Yijing Shi; Ruihong Song
Archive | 2010
Jian Zhang; Chenglu Zhang; Lihui Huang; Lijian Zhao; Shu-Guang Wang; Feifei Liu