Interfacial coordination mediated surface segregation of halloysite nanotubes to construct a high-flux antifouling membrane for oil-water emulsion separation

2020 ◽  
pp. 118828 ◽  
Author(s):  
Zhongxiang Bai ◽  
Lingling Wang ◽  
Chenchen Liu ◽  
Changkai Yang ◽  
Guo Lin ◽  
...  
2020 ◽  
Vol 44 (32) ◽  
pp. 13534-13541
Author(s):  
Xin Gao ◽  
Qiang Ma ◽  
Zhengwei Jin ◽  
Pei Nian ◽  
Zheng Wang

A switchable superlyophobic ZIF-8 membrane can selectively remove oil droplets in oil-in-water emulsions via superoleophobicity and water droplets in water-in-oil emulsions via superhydrophobicity.


2021 ◽  
Vol 621 ◽  
pp. 119019
Author(s):  
Asad Asad ◽  
Masoud Rastgar ◽  
Dan Sameoto ◽  
Mohtada Sadrzadeh

2016 ◽  
Vol 4 (46) ◽  
pp. 17970-17980 ◽  
Author(s):  
Xiangde Lin ◽  
Jiwoong Heo ◽  
Hyejoong Jeong ◽  
Moonhyun Choi ◽  
Minwook Chang ◽  
...  

A superhydrophobic carbon nanofiber network inlay-gated mesh with high durability and separation performance was developed for oil–water emulsion separation.


Polymers ◽  
2021 ◽  
Vol 13 (21) ◽  
pp. 3710
Author(s):  
Sneha Bhagyaraj ◽  
Patrik Sobolčiak ◽  
Mohammad A. Al-Ghouti ◽  
Igor Krupa

To address the problem of ever-increasing oily wastewater management, due to its directional liquid transport property, membranes with asymmetric wettability can be effectively used for emulsion separation. This study reports the synthesis of electrospun polymer–clay nanocomposite nanofibers, using co-polyamide polymer (COPA) and halloysite nanotubes (HA) as filler. The influence of clay content on the morphological, thermal and dielectric properties of the polymer composite nanofiber was investigated comprehensively to address the material characteristics of the developed system. The surface structure analysis and contact angle measurements of the electrospun composite nanofibers confirms the change in surface roughness and wettability when the fillers are added to the polymer. The porosity of the composite electrospun nanofiber membrane was found to be 85% with an oil adsorption capacity of 97% and water permeability of 6265 L/m2h. Furthermore, the asymmetric wettability-driven oil/water emulsion separation abilities of the as-synthesized membranes shows that the separation efficiency of the composite fiber membrane is 10% improved compared to that of the neat fiber membrane, with improved separation time.


RSC Advances ◽  
2015 ◽  
Vol 5 (27) ◽  
pp. 21349-21359 ◽  
Author(s):  
Yuan Liu ◽  
Yanlei Su ◽  
Yafei Li ◽  
Xueting Zhao ◽  
Zhongyi Jiang

Amphiphilic membrane surfaces were constructed in one step by surface segregation and the membranes exhibited a superior antifouling property.


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