Interaction of U(VI) with amine-modified peanut shell studied by macroscopic and microscopic spectroscopy analysis
Interaction of U(VI) with amine-modified peanut shell studied by macroscopic and microscopic spectroscopy analysis
复制标题
宏观和微观光谱分析研究U(VI)与胺改性花生壳的相互作用
DOI：
10.1016/j.jclepro.2018.05.258
复制
发表时间：
2018-09
影响因子：
11.1
通讯作者：
Xiangke Wang
中科院分区：
文献类型：
--
作者：
Dongli Wei;Zhongshan Chen;Jie Jin;Benben Wei;Qian Li;Shanye Yang;Zhimin Yu;Ahmed Alsaedi;Tasawar Hayat;Xiangke Wang
花生壳是一种广泛利用的农业废弃物，通过胺化改性，成功地在其表面接枝了季胺基。通过批处理实验和光谱分析研究了胺交联花生壳（PNN）对U（VI）的吸附机理。物理吸附以液膜扩散和颗粒内扩散为主，化学吸附以季胺和羧基的表面络合为主。在pH = 6.0和T = 298 K条件下，PNN对U（VI）的最大吸附量为574.81 mg g−1at，远远高于U（VI）在原始纯花生壳和许多其他材料上的吸附量。考虑到花生壳的高吸附效率和环保性，PNN在放射性污染治理中的放射性核素预富集方面具有广阔的应用前景。
Peanut shell, a widely available agricultural waste, was successfully grafted with quaternary ammine groups on its surface by using amination modification. The sorption mechanism of U(VI) on the amine cross-linked peanut shell (PNN) was examined by batch experiments and spectroscopy analysis. The physical adsorption was dominated by the liquid film diffusion and the intra-particle diffusion, whereas the chemical adsorption was dominated by surface complexation with quaternary amine groups and carboxyl groups. The maximum adsorption capacity of U(VI) on PNN was calculated to be 574.81 mg g−1at pH = 6.0 and T = 298 K, which was much higher than that of U(VI) on pristine pure peanut shell and many other materials. Consideration of the high sorption efficiency and eco-friendliness of peanut shell, PNN presented promising potential in the preconcentration of radionuclides in radioactive pollution management.
登录
查看更多内容
一锅法合成氧化石墨烯和镍铝层状双氢氧化物纳米复合材料高效去除废水中的U(VI)
DOI：
10.1007/s11426-016-0420-8
发表时间：
2017-02
期刊：
Science China Chemistry
影响因子：
--
作者：
Yu Shujun;Wang Jian;Song Shuang;Sun Kunyu;Li Jun;Wang Xiangxue;Chen Zhongshan;Wang Xiangke
通讯作者：
Wang Xiangke
对氧化石墨烯、Cu(II) 和 Mg/Al 层状双氢氧化物相互作用的宏观和光谱见解
影响因子：
15.1
作者：
Hu Baowei;Huang Chengcai;Li Xue;Sheng Guodong;Li Hui;Ren Xuemei;Ma Jingyuan;Wang Jin;Huang Yuying
通讯作者：
Huang Yuying
影响因子：
8.7
作者：
T. Anirudhan;L. Divya;P. Suchithra
通讯作者：
T. Anirudhan;L. Divya;P. Suchithra
影响因子：
1.6
作者：
Zhongshan Chen;Lei Chen;Songsheng Lu
通讯作者：
Zhongshan Chen;Lei Chen;Songsheng Lu
DOI：
10.1016/j.colsurfa.2017.08.036
发表时间：
2017-11-20
影响因子：
5.2
作者：
Tan, Yong Zen;Wu, Dalin;Chew, Jia Wei
通讯作者：
Chew, Jia Wei