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Hierarchically porous poly(amidoxime)/bacterial cellulose composite aerogel for highly efficient scavenging of heavy metals
Li, Huaimeng1,2; Wang, Yongchuang1,2; Ye, Mengxiang1,2; Zhang, Xi1,2; Zhang, Haimin1; Wang, Guozhong1; Zhang, Yunxia1
2021-10-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Corresponding AuthorZhang, Yunxia(yxzhang@issp.ac.cn)
AbstractDeveloping cheap, green, efficient and renewable adsorbents to address the issue of heavy metal pollution is highly desired for satisfying the requirements of economy sustainability and water security. Herein, a composite aerogel composed of bacterial cellulose (BC) and poly(amidoxime) (PAO) has been fabricated via a facile and scalable self-assembly and in situ oximation transformation for heavy metals removal. Benefiting from the unique three-dimensional (3D) interconnected porous architecture and high density of amidoxime functional moieties, the developed PAO/BC composite aerogel is capable of efficiently sequestrating heavy metals with exceptional sorption capacities, e.g. 571.5 mg g(-1) for Pb2+, 509.2 mg g(-1) for Cu2+, 494 mg g(-1) for Zn2+, 457.2 mg g(-1) for Mn2+, and 382.3 mg g(-1) for Cd2+, outperforming most reported nano-adsorbents. Meanwhile, the sorption equilibrium for the investigated five heavy metals is achieved within 25 min with high removal efficiencies. Significantly, the developed PAO/BC composite aerogels possess superior reusability performance. Furthermore, the PAO/BC aerogels-packed column can continuously and effectively treat the simulated wastewater with multiple heavy metals coexisting to below the threshold value in the drinking water recommended by World Health Organization (WHO), highlighting its feasibility in the complex environmental water. (C) 2021 Elsevier Inc. All rights reserved.
KeywordPAO/BC composite aerogel Heavy metals Amidoxime Adsorption Regeneration
DOI10.1016/j.jcis.2021.05.071
WOS KeywordDOUBLE NETWORK HYDROGEL ; GRAPHENE OXIDE ; FAST ADSORPTION ; RAPID REMOVAL ; MN(II) IONS ; ADSORBENT ; NANOPARTICLES ; CD(II) ; ACID ; FUNCTIONALIZATION
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFA0207202] ; National Natural Science Foundation of China[51772299]
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000671761400012
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/123590
Collection中国科学院合肥物质科学研究院
Corresponding AuthorZhang, Yunxia
Affiliation1.Chinese Acad Sci, Ctr Environm & Energy Nanomat, Inst Solid State Phys,HFIPS, Key Lab Mat Phys,Anhui Key Lab Nanomat & Nanotech, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Li, Huaimeng,Wang, Yongchuang,Ye, Mengxiang,et al. Hierarchically porous poly(amidoxime)/bacterial cellulose composite aerogel for highly efficient scavenging of heavy metals[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2021,600.
APA Li, Huaimeng.,Wang, Yongchuang.,Ye, Mengxiang.,Zhang, Xi.,Zhang, Haimin.,...&Zhang, Yunxia.(2021).Hierarchically porous poly(amidoxime)/bacterial cellulose composite aerogel for highly efficient scavenging of heavy metals.JOURNAL OF COLLOID AND INTERFACE SCIENCE,600.
MLA Li, Huaimeng,et al."Hierarchically porous poly(amidoxime)/bacterial cellulose composite aerogel for highly efficient scavenging of heavy metals".JOURNAL OF COLLOID AND INTERFACE SCIENCE 600(2021).
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