Research Progress of Polysaccharide-Based Natural Polymer Hydrogels in Water Purification

被引：11
|
作者：
Zhang, Wenxu [1 ,2 ,3 ]
Xu, Yan [1 ,2 ,3 ]
Mu, Xuyang [1 ,2 ,3 ]
Li, Sijie [1 ,2 ,3 ]
Liu, Xiaoming [1 ,2 ,3 ]
Lei, Ziqiang [1 ,2 ,3 ]
机构：
[1] Northwest Normal Univ, Key Lab Ecofunct Polymer Mat, Minist Educ, Lanzhou 730070, Peoples R China
[2] Northwest Normal Univ, Coll Chem & Chem Engn, Lanzhou 730070, Peoples R China
[3] Northwest Normal Univ, Key Lab Ecoenvironm Polymer Mat Gansu Prov, Lanzhou 730070, Peoples R China
来源：
GELS | 2023年 / 9卷 / 03期
基金：
中国国家自然科学基金;
关键词：
freshwater resources; hydrogel; natural polymer materials; adsorption properties; METHYLENE-BLUE; EFFECTIVE ADSORPTION; ENHANCED ADSORPTION; COMPOSITE HYDROGEL; EFFICIENT REMOVAL; HEAVY-METALS; CHITOSAN; STARCH; ACID; CELLULOSE;
D O I：
10.3390/gels9030249
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The pollution and scarcity of freshwater resources are global problems that have a significant influence on human life. It is very important to remove harmful substances in the water to realize the recycling of water resources. Hydrogels have recently attracted attention due to their special three-dimensional network structure, large surface area, and pores, which show great potential for the removal of pollutants in water. In their preparation, natural polymers are one of the preferred materials because of their wide availability, low cost, and easy thermal degradation. However, when it is directly used for adsorption, its performance is unsatisfactory, so it usually needs to be modified in the preparation process. This paper reviews the modification and adsorption properties of polysaccharide-based natural polymer hydrogels, such as cellulose, chitosan, starch, and sodium alginate, and discusses the effects of their types and structures on performance and recent technological advances.
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页数：18
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