| 改性壳聚糖处理污水中Ni(Ⅱ)的效果 |
| |
| 引用本文： | 张燕,张军丽,潘庆才,闫凤美.改性壳聚糖处理污水中Ni(Ⅱ)的效果[J].环境工程学报,2012,6(9):3091-3095. |
| |
| 作者姓名： | 张燕 张军丽 潘庆才 闫凤美 |
| |
| 作者单位： | 黄淮学院化学化工系,驻马店,463000 |
| |
| 基金项目： | 河南省科技计划项目(082300420120);河南省科技发展计划项目(112102310649,122300410209) |
| |
| 摘 要： | 通过丁二酸酐与γ-氨丙基三甲氧基硅烷改性后的纳米SiO2(即可分散的纳米二氧化硅,简称DNS)反应,合成了羧基化的DNS,再经过与壳聚糖脱水生成酰胺的过程,合成了改性壳聚糖。通过红外光谱和扫描电镜对改性壳聚糖进行表征。研究了壳聚糖及改性壳聚糖微粒吸附Ni2+时溶液pH值、时间、吸附剂用量和Ni2+初始浓度等对吸附率的影响,并确定了最佳条件为:pH=7,吸附时间为120 min,吸附剂的投加量为0.3 g。改性壳聚糖比壳聚糖具有更强的吸附Ni2+的能力,吸附率达67.01%。
|
| 关 键 词： | 壳聚糖 DNS 改性壳聚糖 Ni2+ 吸附 |
| 收稿时间： | 3/6/2011 12:00:00 AM |
| 修稿时间： | 5/4/2011 12:00:00 AM |
Treatment effect of Ni（ H ） in wastewater by modified chitosan sorbent |
| |
| Zhang Yan,Zhang Junli,Pan Qingcai and Yan Fengmei.Treatment effect of Ni（ H ） in wastewater by modified chitosan sorbent[J].Techniques and Equipment for Environmental Pollution Control,2012,6(9):3091-3095. |
| |
| Authors: | Zhang Yan Zhang Junli Pan Qingcai and Yan Fengmei |
| |
| Institution: | Department of Chemistry and Chemical Engineering, Huanghuai College, Zhumadian 463000, China;Department of Chemistry and Chemical Engineering, Huanghuai College, Zhumadian 463000, China;Department of Chemistry and Chemical Engineering, Huanghuai College, Zhumadian 463000, China;Department of Chemistry and Chemical Engineering, Huanghuai College, Zhumadian 463000, China |
| |
| Abstract: | |
| |
| Keywords: | chitosan DNS modified chitosan Ni2+ adsorption |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《环境工程学报》浏览原始摘要信息 |
| 点击此处可从《环境工程学报》下载免费的PDF全文 |
|
