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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202100141
|2 doi
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|a pubmed24n1083.xml
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|a eng
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1 |
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|a Xie, Wenke
|e verfasserin
|4 aut
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|a Charge-Gradient Hydrogels Enable Direct Zero Liquid Discharge for Hypersaline Wastewater Management
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 21.06.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Zero liquid discharge (ZLD), which maximizes water recovery and eliminates environmental impact, is an urgent wastewater management strategy for alleviating freshwater shortage. However, because of the high concentration of salts and broad-spectrum foulants in wastewater, a huge challenge for ZLD is lack of a robust membrane-based desalination technology that enables direct wastewater recovery without costly pretreatment processes. Here, a paradigm-shift membrane distillation (MD) strategy is presented, wherein the traditional hydrophobic porous membrane is replaced with a hydrophilic nonporous charge-gradient hydrogel (CGH) membrane that possesses hypersaline tolerance, fouling/scaling-free properties, and negligible vapor transfer resistance inside the membrane, simultaneously. Therefore, the CGH-based MD with high water flux enables direct desalination of hypersaline wastewater (130 g L-1 ) containing broad-spectrum foulants (500 mg L-1 ) during continuous long-term operation (200 h), and this technology paves a promising way to direct ZLD for wastewater management
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|a Journal Article
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|a charge-gradient hydrogels
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|a desalination
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|a membrane distillation
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|a wastewater management
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| 650 |
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4 |
|a zero liquid discharge
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1 |
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|a Duan, Jiangjiang
|e verfasserin
|4 aut
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1 |
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|a Li, Jia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Bei
|e verfasserin
|4 aut
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1 |
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|a Liu, Rong
|e verfasserin
|4 aut
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1 |
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|a Yu, Boyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhuang, Xinyan
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Ming
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Jun
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 24 vom: 01. Juni, Seite e2100141
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:24
|g day:01
|g month:06
|g pages:e2100141
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|u http://dx.doi.org/10.1002/adma.202100141
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