Preparation of lignin-polyethyleneimine and its sorption properties for Cu2+ ion

被引：0
作者：
机构：
[1] College of Material Science and Engineering, Northeast Forestry University
[2] Harbin Center for Disease Control and Prevention
来源：
Fang, G.-Z. (fanggz_0@163.com) | 1600年 / Journal of Functional Materials卷 / 45期
关键词：
Lignin; Polyethyleneimine; Sorption;
D O I：
10.3969/j.issn.1001-9731.2014.08.031
中图分类号：
学科分类号：
摘要：
In this paper the sorbent of lignin-polyethyleneimine (lignin-PEI) was successfully synthesized by means of crosslinking lignin and polyethyleneimine (PEI) by glutaraldehyde. We characterized lignin-PEI by SEM, XRD, FT-IR and XPS, then investigated the use of lignin-PEI for the removal of Cu2+ from water. These results indicated that the nitrogen content of prepared lignin-PEI was 10.61 wt% at lignin, PEI and GA reaction ratio m(g):V(mL):V(mL) of 2:5:20, at 25°C for 2 h. We found sorption isotherms for lignin-PEI better fitted Langmuir equation. Sorption of Cu2+ ion on lignin-PEI followed pseudo second-order kinetics. The maximum sorption capacity was 54.15 mg/g for Cu2+ ion.
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页码：08143 / 08147
页数：4
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