LDHs及其复合材料处理重金属废水的研究进展
罗相萍,游少鸿,刘崇敏,黄永香,何慧军

Research progress on treatment of heavy metal wastewater by layered double hydroxides and their composites
Xiangping LUO,Shaohong YOU,Chongmin LIU,Yongxiang HUANG,Huijun HE
表1 重金属在LDHs基材料上的吸附
Table 1 The adsorption of heavy metals on LDH-based materials
吸附剂重金属离子BET/(m2·g-1pH

重金属离子初始

质量浓度/(mg·L-1

最大吸附容量/

(mg·g-1

动力学模型等温线模型

参考

文献

MgAl-LDHPb(Ⅱ)48.826ElovichFreundlich34
CuMgFe-LDHAs(Ⅴ)6215.60准二级动力学Langmuir35
Ca-Mg-Al/LDHCr(Ⅵ)87.9822019.0准二级动力学Langmuir36
MgAlFe-NO3 LDHsCr(Ⅵ)6.61569准二级动力学Langmuir37
FeMnNi-LDHsAs(Ⅲ)2~910/20/50240.86准二级动力学Freundlich38

FAH-rGO/CS

(FeAl-LDH)

As(Ⅴ)122.57710~70137.14准二级动力学Langmuir30
磁性生物炭/MgFe-LDH(LMBC)Pb(Ⅱ)86.7953~650/100/200476.247准二级动力学Langmuir11
Ni-Fe-CO3 LDH-NGO

Pb(Ⅱ)、

Cd(Ⅱ)

5~111 000准二级动力学Langmuir39