Carbon quantum dots (CQDs) nanofiltration membranes towards efficient biogas slurry valorization

doi:10.1016/j.cej.2019.123993

GIEC OpenIR

	Carbon quantum dots (CQDs) nanofiltration membranes towards efficient biogas slurry valorization
	Yang, Wen-Jie 1,2,3; Shao, Dan-Dan 1,2,3; Zhou, Zhengzhong 4; Xia, Qian-Cheng 1,2,3; Chen, Jian3 ; Cao, Xue-Li 1,2,3; Zheng, Tao 5; Sun, Shi-Peng 1,2,3
	2020-04-01
发表期刊	CHEMICAL ENGINEERING JOURNAL
ISSN	1385-8947
卷号	385 页码:11
通讯作者	Sun, Shi-Peng(ssp@njtech.edu.cn)
摘要	In this article, novel nanofiltration (NF) membranes with highly selective surface and fast water and ion transport channels were fabricated for the valorization of biogas slurry. Unlike conventional thin film composite (TFC) membranes, the novel NF membranes compose hydrophilic carbon quantum dots (CQDs) as the interlayer. The carboxyl groups from CQDs react with the polyethyleneimine (PEI), leading to the lower cross-linking degree in the interfacial polymerization layer of NF membranes. Besides, the presence of the hydrophilic CQDs can create fast water and ion transport channels in the NF membranes. The water permeability of membranes is therefore enhanced significantly from 3.6 to 9.7 LMH.bar(-1). The NF membranes were used to concentrate the amino acids from biogas slurry; it achieved rejection rates above 90% towards model amino acids such as lysine, glutamic acid and leucine, due to its highly positive electrical properties, while allowing most of the unwanted salt ions to permeate through. The excellent selectivity between amino acids and salt ions demonstrates the great potential application of the NF membranes in biogas slurry valorization.
关键词	Carbon quantum dots (CQDs) Biogas slurry Amino acids Thin-film composite (TFC) Nanofiltration
DOI	10.1016/j.cej.2019.123993
关键词[WOS]	THIN-FILM COMPOSITE ; NANOCOMPOSITE MEMBRANES ; OSMOSIS MEMBRANE ; SEPARATION ; SURFACE ; TECHNOLOGIES ; PERFORMANCE ; CHEMISTRY ; PRESSURE ; REMOVAL
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[21878146] ; Jiangsu Provincial Natural Science Fund Outstanding Youth Project[BK20190037] ; Natural Science Foundation of Jiangsu Province[BK20160495] ; Science & Technology Project of Guangdong Province[2016A010105017] ; Science & Technology Project of Guangdong Province[2017B040404009]
WOS研究方向	Engineering
项目资助者	National Natural Science Foundation of China ; Jiangsu Provincial Natural Science Fund Outstanding Youth Project ; Natural Science Foundation of Jiangsu Province ; Science & Technology Project of Guangdong Province
WOS类目	Engineering, Environmental ; Engineering, Chemical
WOS记录号	WOS:000507465200034
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：59[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/26323
专题	中国科学院广州能源研究所
通讯作者	Sun, Shi-Peng
作者单位	1.Nanjing Tech Univ, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Peoples R China 2.Nanjing Tech Univ, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Nanjing 210009, Peoples R China 3.Nanjing Tech Univ, Coll Chem Engn, Nanjing 210009, Peoples R China 4.Changzhou Univ, Inst Urban & Rural Min, Changzhou 213164, Peoples R China 5.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
推荐引用方式 GB/T 7714	Yang, Wen-Jie,Shao, Dan-Dan,Zhou, Zhengzhong,et al. Carbon quantum dots (CQDs) nanofiltration membranes towards efficient biogas slurry valorization[J]. CHEMICAL ENGINEERING JOURNAL,2020,385:11.
APA	Yang, Wen-Jie.,Shao, Dan-Dan.,Zhou, Zhengzhong.,Xia, Qian-Cheng.,Chen, Jian.,...&Sun, Shi-Peng.(2020).Carbon quantum dots (CQDs) nanofiltration membranes towards efficient biogas slurry valorization.CHEMICAL ENGINEERING JOURNAL,385,11.
MLA	Yang, Wen-Jie,et al."Carbon quantum dots (CQDs) nanofiltration membranes towards efficient biogas slurry valorization".CHEMICAL ENGINEERING JOURNAL 385(2020):11.