|本期目录/Table of Contents|

[1]关炳月,刘涛,丁新波,等.羧化纤维素气凝胶的制备及其对亚甲基蓝染料的吸附性能[J].浙江理工大学学报,2022,47-48(自科二):166-172.
　GUAN Bingyue,LIU Tao,DING Xinbo,et al.Preparation of carboxylated cellulose aerogel and its adsorption  properties for methylene blue dye[J].Journal of Zhejiang Sci-Tech University,2022,47-48(自科二):166-172.
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羧化纤维素气凝胶的制备及其对亚甲基蓝染料的吸附性能()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第47-48卷
期数:
2022年自科第二期
页码:
166-172
栏目:
出版日期:
2022-03-10

文章信息/Info

Title:
Preparation of carboxylated cellulose aerogel and its adsorption  properties for methylene blue dye
文章编号:
1673-3851 (2022) 03-0166-07
作者:
关炳月; 刘涛; 丁新波; 王吉楠; 王寅
1.浙江理工大学纺织科学与工程学院（国际丝绸学院）， 杭州 310018; 2. 浙江理工大学科技与艺术学院，浙江绍兴 312369
Author(s):
GUAN Bingyue;  LIU Tao;  DING Xinbo;  WANG Jinan;  WANG Yin
1.College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou 310018, China; 2.Keyi College of Zhejiang Sci-Tech University, Zhejiang Shaoxing 312369, China
关键词:
微晶纤维素; TEMPO; 气凝胶; 亚甲基蓝; 吸附
分类号:
TQ352-4
文献标志码:
A
摘要:
为研究羧化纤维素气凝胶对亚甲基蓝的吸附性能，以微晶纤维素为原料，利用2,2,4,6四甲基哌啶氧化物（TEMPO）介导氧化制备羧化纤维素，并通过冷冻干燥制备羧化纤维素气凝胶。通过电导率仪、红外光谱仪、热重分析仪和扫描电子显微镜对制备所得羧化纤维素气凝胶的羧基含量、形貌和结构进行表征，探究pH值、溶液初始质量浓度、温度等因素对羧化纤维素气凝胶吸附性能的影响。结果表明：与纤维素气凝胶相比，羧基含量为0.625 mmol/g的羧化纤维素气凝胶孔洞结构明显增多，微孔结构比维素气凝胶更加均匀，孔隙率高达89%，吸附平衡时间从20 min延长至60 min。当溶液初始质量浓度为500 mg/L时吸附量高达267.88 mg/g；在pH大于2的条件下，羧化纤维素气凝胶最大吸附量可达73.57 mg/g；在25℃时，羧化纤维素气凝胶对亚甲基蓝的吸附量最大，从11.06 mg/g提升至77.32 mg/g。本文制备所得羧化纤维素气凝胶有望作为一种去除废水中阳离子污染物的良好吸附剂。

参考文献/References:

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相似文献/References:

[1]朱莹,刘涛,丁新波,等.氧化纤维素气凝胶的制备及其吸附性能[J].浙江理工大学学报,2020,43-44(自科六):806.
　ZHU Ying,LIU Tao,DING Xinbo,et al.Preparation and adsorption properties of oxidized cellulose aerogels[J].Journal of Zhejiang Sci-Tech University,2020,43-44(自科二):806.

备注/Memo

备注/Memo:
收稿日期：2021-07-12
网络出版日期：2021-11-11
基金项目：国家自然科学基金项目（31900964）
作者简介：关炳月（1996-），女，河南鹤壁人，硕士研究生，主要从事生物质基复合材料方面的研究
通信作者：刘涛，E-mail:Maggie_liu310@163.com
更新日期/Last Update: 2022-03-09