Preparation of Carboxymethyl Cellulose-Based Macroporous Adsorbent by Eco-Friendly Pickering-MIPEs Template for Fast Removal of Pb2+ and Cd2+
Wang, Feng1,2; Zhu, Yongteng1; Xu, Hui3; Wang, Aiqin1
2019-09-10
发表期刊FRONTIERS IN CHEMISTRY
ISSN2296-2646
卷号7
摘要Recently, Pickering high internal phase emulsions (Pickering HIPEs) have been widely used to fabricate macroporous materials. However, the high usage of poisonous organic solvent in HIPEs not only greatly increases the cost but also is harmful to human health and environment, which leads to limited large-scale applications. In this study, we prepared a novel monolithic macroporous material of carboxymethyl cellulose-g-poly(acrylamide)/montmorillonite (CMC-g-PAM/MMT) by the free radical polymerization via oil-in-water Pickering medium internal phase emulsions (Pickering MIPEs), which used the non-toxic and eco-friendly flaxseed oil as continuous phase, MMT, and Tween-20 (T-20) as stabilizer. The pore structure of the resulting macroporous materials could be tuned easily by adjusting the content of MMT, co-surfactant T-20, and the oil phase volume fraction. The maximal adsorption capacities of the prepared macroporous material for Pb2+ and Cd2+ were 456.05 and 278.11 mg/g, respectively, and the adsorption equilibrium can be reached within 30 min. Otherwise, the macroporous monolith exhibited excellent reusability through five adsorption-desorption cycles. Thus, the eco-friendly Pickering-MIPEs is a potential alternative method to be used to fabricate multi-porous adsorption materials for environmental applications.
关键词macroporous materials Pickering emulsions montmorillonite adsorption heavy metal
DOI10.3389/fchem.2019.00603
收录类别SCI ; SCIE
语种英语
资助项目Scientific Research Project of Beibu Gulf University, China[17KYQD57]
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000485150800001
出版者FRONTIERS MEDIA SA
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/31578
专题石油化工学院
通讯作者Wang, Aiqin
作者单位1.Chinese Acad Sci, Ctr Ecomat & Green Chem, Lanzhou Inst Chem Phys, Key Lab Clay Mineral Appl Res Gansu Prov, Lanzhou, Gansu, Peoples R China;
2.Beibu Gulf Univ, Coll Petr & Chem Engn, Qinzhou, Peoples R China;
3.Lanzhou Univ Technol, Coll Petrochem Engn, Dept Chem Engn, Lanzhou, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Wang, Feng,Zhu, Yongteng,Xu, Hui,et al. Preparation of Carboxymethyl Cellulose-Based Macroporous Adsorbent by Eco-Friendly Pickering-MIPEs Template for Fast Removal of Pb2+ and Cd2+[J]. FRONTIERS IN CHEMISTRY,2019,7.
APA Wang, Feng,Zhu, Yongteng,Xu, Hui,&Wang, Aiqin.(2019).Preparation of Carboxymethyl Cellulose-Based Macroporous Adsorbent by Eco-Friendly Pickering-MIPEs Template for Fast Removal of Pb2+ and Cd2+.FRONTIERS IN CHEMISTRY,7.
MLA Wang, Feng,et al."Preparation of Carboxymethyl Cellulose-Based Macroporous Adsorbent by Eco-Friendly Pickering-MIPEs Template for Fast Removal of Pb2+ and Cd2+".FRONTIERS IN CHEMISTRY 7(2019).
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