Novel Positively Charged Metal-Coordinated Nanofiltration Membrane for Lithium Recovery

2021 ◽  
Author(s):  
Li Wang ◽  
Danyal Rehman ◽  
Peng-Fei Sun ◽  
Akshay Deshmukh ◽  
Liyuan Zhang ◽  
...  
Keyword(s):  
Nanofiltration Membrane ◽  
Positively Charged

A facile preparation of positively charged composite nanofiltration membrane with high selectivity and permeability

2019 ◽  
Vol 581 ◽  
pp. 214-223 ◽  
Author(s):  
Kaifeng Gu ◽  
Shuhao Wang ◽  
Yunhao Li ◽  
Xueting Zhao ◽  
Yong Zhou ◽  
...  
Keyword(s):  
High Selectivity ◽  
Nanofiltration Membrane ◽  
Facile Preparation ◽  
Positively Charged

Preparation of a positively charged nanofiltration membrane based on hydrophilic–hydrophobic transformation of a poly(ionic liquid)

2015 ◽  
Vol 3 (23) ◽  
pp. 12367-12376 ◽  
Author(s):  
Ying Tang ◽  
Beibei Tang ◽  
Peiyi Wu
Keyword(s):  
Aqueous Solution ◽  
Ionic Liquid ◽  
Ion Exchange ◽  
Exchange Reaction ◽  
Composite Membrane ◽  
Nanofiltration Membrane ◽  
High Permeability ◽  
Ion Exchange Reaction ◽  
Poly Ionic Liquid ◽  
Positively Charged

A positively charged NF composite membrane with high permeability was obtained via a simple counter-ion exchange reaction in an aqueous solution, due to the hydrophilic–hydrophobic transformation of the PIL.

scholarly journals An acid-stable positively charged polysulfonamide nanofiltration membrane prepared by interfacial polymerization of polyallylamine and 1,3-benzenedisulfonyl chloride for water treatment

RSC Advances ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 2042-2054 ◽  
Author(s):  
Hao Wang ◽  
Zhong Wei ◽  
Heyun Wang ◽  
Haoji Jiang ◽  
Yinchun Li ◽  
...  
Keyword(s):  
Water Treatment ◽  
Metal Ions ◽  
Interfacial Polymerization ◽  
Divalent Metal ◽  
Separation Performance ◽  
Nanofiltration Membrane ◽  
Divalent Metal Ions ◽  
Acid Stable ◽  
Positively Charged

Here, an acid stable PSA membrane with positively charge was prepared through the IP between macromolecular PAH and BDSC on PES substrate. In addition, the PSA membrane exhibited excellent separation performance to divalent metal ions.

A positively charged composite loose nanofiltration membrane for water purification from heavy metals

2020 ◽  
Vol 611 ◽  
pp. 118205 ◽  
Author(s):  
Mohammad Peydayesh ◽  
Toraj Mohammadi ◽  
Sohail Kordmirza Nikouzad
Keyword(s):  
Heavy Metals ◽  
Water Purification ◽  
Nanofiltration Membrane ◽  
Positively Charged
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