渗透
纳米棒
膜
材料科学
层状结构
化学工程
插层(化学)
废水
纳滤
纳米技术
化学
无机化学
复合材料
环境工程
生物化学
工程类
作者
Shiyang Zhang,Zhi Wang,Mingwei Cai,Xiaochuang Lu,Tianju Fan,Ruibin Wang,Yidong Liu,Yonggang Min
出处
期刊:Nanomaterials
[MDPI AG]
日期:2022-09-06
卷期号:12 (18): 3094-3094
被引量:1
摘要
Due to its unique physical and chemical properties, MXene has recently attracted much attention as a promising candidate for wastewater treatment. However, the low water permeation flux of MXene membrane remains a challenge that has not been fully solved. In this study, attapulgite was used to increase the flux of MXene membrane through a facile one-pot method, during which the MXene nanosheets were self-assembled while being intercalated by the attapulgite nanorods to finally form the composite membranes. Under optimal conditions, an increase of water permeation flux of 97.31% could be observed, which was attributed to the broadened nano-channel upon the adequate intercalation of attapulgite nanorods. Its permeation flux and rejection rate for methylene blue (MB) were further studied for diverse applications. In contrast to bare MXene, the permeation flux increased by 61.72% with a still high rejection rate of 90.67%, owing to the size rejection. Overcoming a key technique barrier, this work successfully improved the water permeability of MXene by inserting attapulgite nanorods, heralding the exciting prospects of MXene-based lamellar membrane in dye wastewater treatment.
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