|本期目录/Table of Contents|

[1]陈选,梁军龙,张梅飞,等.纤维素基絮凝材料的制备及其絮凝性能研究[J].浙江理工大学学报,2018,39-40(自科5):545-550.
 CHEN Xuan,LIANG Junlong,ZHANG Meifei,et al.Preparation and flocculation performance of cellulosebased flocculant[J].Journal of Zhejiang Sci-Tech University,2018,39-40(自科5):545-550.
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纤维素基絮凝材料的制备及其絮凝性能研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第39-40卷
期数:
2018年自科5期
页码:
545-550
栏目:
出版日期:
2018-08-31

文章信息/Info

Title:
Preparation and flocculation performance of cellulosebased flocculant
文章编号:
1673-3851 (2018) 09-0545-06
作者:
陈选梁军龙张梅飞马廷方刘琳姚菊明
1.浙江理工大学材料与纺织学院、丝绸学院,杭州 310018;2.万事利集团有限公司,杭州 310021
Author(s):
CHEN Xuan LIANG Junlong ZHANG Meifei Ma Tingfang LIU Lin YAO Juming
1.College of Materials and Textiles, Silk Institute, Zhejiang Sci-Tech University,Hangzhou 310018, China; 2.Wensli Group Co.Ltd., Hangzhou 310021, China
关键词:
纤维素氧化接枝聚乙烯亚胺絮凝
分类号:
TQ340.79
文献标志码:
A
摘要:
以纤维素(Cellulose, CE)为原料,通过氧化接枝聚乙烯(Polyethyleneimine, PEI),制备具有超支化结构的纤维素/聚乙烯亚胺(CE/PEI)材料。研究PEI添加量、反应时间和反应温度等工艺参数对CE/PEI表面氨基含量的影响;进一步以CE/PEI为絮凝材料,考察具有不同氨基含量的CE/PEI对高岭土悬浮液的絮凝效果。实验结果表明:通过调控PEI添加量、反应时间和反应温度可实现CE/PEI表面氨基含量的控制(1.46~3.87 mmol/g)。对不同浓度高岭土悬浮液的絮凝试验发现,随着CE/PEI表面氨基含量的增加,其对高岭土的絮凝性能增强;当表面氨基含量最高为3.87 mmol/g时,三种浓度下(200、500、800 mg/L)高岭土悬浮液浊度分别从180 NTU降到22 NTU,486 NTU降到102 NTU,1069 NTU降到172 NTU,相应去除率分别为87.8%、79.0%和83.9%,表明所制备的CE/PEI材料具有优良的絮凝性能。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017-12-06
网络出版日期: 2018-02-27
基金项目: 国家自然科学基金项目(51303159,51672251)
作者简介: 陈选(1992-),男,浙江温州人,硕士研究生,主要从事纤维素基功能化改性及应用方面的研究
通信作者: 姚菊明,E-mail:yaoj@zstu.edu.cn
更新日期/Last Update: 2018-09-12