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DOI | 10.1038/s41893-020-0474-0 |
Effective ion sieving with Ti3C2Tx MXene membranes for production of drinking water from seawater | |
Ding, Li1; Li, Libo1; Liu, Yanchang1; Wu, Yi1; Lu, Zong1; Deng, Junjie1; Wei, Yanying1; Caro, Juergen2; Wang, Haihui1 | |
2020-02-10 | |
发表期刊 | NATURE SUSTAINABILITY
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ISSN | 2398-9629 |
出版年 | 2020 |
卷号 | 3期号:4页码:296-+ |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Germany |
英文摘要 | Two-dimensional lamellar membranes for water purification are promising but suffer from swelling that reduces their ion sieving performance in water. This study reports easy-to-fabricate, non-swelling MXene membranes prepared by the intercalation of Al3+ ions that could be scalable. Traditional ways of producing drinking water from groundwater, water recycling and water conservation are not sufficient. Seawater desalination would close the gap but the main technology used is thermally driven multi-flash distillation, which is energy consuming and not sustainable. Stacking two-dimensional (2D) nanomaterials into lamellar membranes is a promising technique in the pursuit of both high selectivity and permeance in water desalination. However, 2D membranes tend to swell in water, and increasing their stability in aqueous solution is still challenging. Here, we report non-swelling, MXene membranes prepared by the intercalation of Al3+ ions. Swelling is prevented by strong interactions between Al3+ and oxygen functional groups terminating at the MXene surface. These membranes show excellent non-swelling stability in aqueous solutions up to 400 h and possess high rejection of NaCl (similar to 89.5-99.6%) with fast water fluxes (similar to 1.1-8.5 l m(-2) h(-1)). Such membranes can be easily fabricated by simple filtration and ion-intercalating methods, which holds promise for their scalability. |
领域 | 资源环境 |
收录类别 | SCI-E ; SSCI |
WOS记录号 | WOS:000512526100002 |
WOS关键词 | GRAPHENE OXIDE MEMBRANES ; MOLECULAR-MECHANICS ; NANOFILTRATION ; INTERCALATION ; DESALINATION ; DEHYDRATION ; SELECTIVITY ; SIMULATION ; PRECISE ; ENERGY |
WOS类目 | Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies |
WOS研究方向 | Science & Technology - Other Topics ; Environmental Sciences & Ecology |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249421 |
专题 | 资源环境科学 |
作者单位 | 1.South China Univ Technol, Sch Chem & Chem Engn, Guangzhou, Peoples R China; 2.Leibniz Univ Hannover, Inst Phys Chem & Electrochem, Hannover, Germany |
推荐引用方式 GB/T 7714 | Ding, Li,Li, Libo,Liu, Yanchang,et al. Effective ion sieving with Ti3C2Tx MXene membranes for production of drinking water from seawater[J]. NATURE SUSTAINABILITY,2020,3(4):296-+. |
APA | Ding, Li.,Li, Libo.,Liu, Yanchang.,Wu, Yi.,Lu, Zong.,...&Wang, Haihui.(2020).Effective ion sieving with Ti3C2Tx MXene membranes for production of drinking water from seawater.NATURE SUSTAINABILITY,3(4),296-+. |
MLA | Ding, Li,et al."Effective ion sieving with Ti3C2Tx MXene membranes for production of drinking water from seawater".NATURE SUSTAINABILITY 3.4(2020):296-+. |
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