Oil/water separation membranes with stable ultra-high flux based on the self-assembly of heterogeneous carbon nanotubes

2021 ◽  
pp. 120148
Author(s):  
Mingrui He ◽  
Ziyue Wang ◽  
Yahong Zhang ◽  
Panpan Wang ◽  
Xu He ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Self Assembly ◽  
The Self ◽  
High Flux ◽  
Water Separation ◽  
Separation Membranes ◽  
Oil Water Separation ◽  
Oil Water

Controlled functionalization of carbon nanotubes as superhydrophobic material for adjustable oil/water separation

2015 ◽  
Vol 3 (8) ◽  
pp. 4124-4128 ◽  
Author(s):  
Jincui Gu ◽  
Peng Xiao ◽  
Youju Huang ◽  
Jiawei Zhang ◽  
Tao Chen
Keyword(s):  
Carbon Nanotubes ◽  
Hybrid Membranes ◽  
High Flux ◽  
Water Separation ◽  
Oil Water Separation ◽  
Oil Water ◽  
Oil Emulsions ◽  
Functionalization Of Carbon Nanotubes

Superhydrophobic PFDTS/CNT hybrid membranes can efficiently and adjustably separate surfactant-stabilized water-in-oil emulsions with high flux.

Oil/water separation membranes with a fluorine island structure for stable high flux

2021 ◽  
Author(s):  
Mingrui He ◽  
Panpan Wang ◽  
Runnan Zhang ◽  
Zhongyi Jiang ◽  
Xu He ◽  
...  
Keyword(s):  
Surface Energy ◽  
High Flux ◽  
Water Separation ◽  
Island Structure ◽  
Separation Membranes ◽  
Low Surface Energy ◽  
Basic Flux ◽  
Oil Water Separation ◽  
Oil Water ◽  
Oil Fouling

Membranes with fluorine island structures consist of discrete low surface energy (LSE) domains at sub-microscale and consecutive hydrophilic domains. The former can effectively control oil fouling while the latter can provide high basic flux.

scholarly journals Carbon Nanotubes and Polydopamine Modified Poly(dimethylsiloxane) Sponges for Efficient Oil–Water Separation

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2431
Author(s):  
Wen Zhang ◽  
Juanjuan Wang ◽  
Xue Han ◽  
Lele Li ◽  
Enping Liu ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Large Scale ◽  
Absorption Capacity ◽  
Potential Candidate ◽  
Hard Template ◽  
Water Separation ◽  
Industrial Oil ◽  
The Matrix ◽  
Oil Water Separation ◽  
Oil Water

In this paper, effective separation of oil from both immiscible oil–water mixtures and oil-in-water (O/W) emulsions are achieved by using poly(dimethylsiloxane)-based (PDMS-based) composite sponges. A modified hard template method using citric acid monohydrate as the hard template and dissolving it in ethanol is proposed to prepare PDMS sponge composited with carbon nanotubes (CNTs) both in the matrix and the surface. The introduction of CNTs endows the composite sponge with enhanced comprehensive properties including hydrophobicity, absorption capacity, and mechanical strength than the pure PDMS. We demonstrate the successful application of CNT-PDMS composite in efficient removal of oil from immiscible oil–water mixtures within not only a bath absorption, but also continuous separation for both static and turbulent flow conditions. This notable characteristic of the CNT-PDMS sponge enables it as a potential candidate for large-scale industrial oil–water separation. Furthermore, a polydopamine (PDA) modified CNT-PDMS is developed here, which firstly realizes the separation of O/W emulsion without continuous squeezing of the sponge. The combined superhydrophilic and superoleophilic property of PDA/CNT-PDMS is assumed to be critical in the spontaneously demulsification process.

A facile surface modification of a PVDF membrane via CaCO3 mineralization for efficient oil/water emulsion separation

2020 ◽  
Vol 44 (48) ◽  
pp. 20999-21006
Author(s):  
Junda Wu ◽  
Atian Xie ◽  
Jin Yang ◽  
Jiangdong Dai ◽  
Chunxiang Li ◽  
...  
Keyword(s):  
Self Assembly ◽  
Layer By Layer ◽  
Assembly Process ◽  
Water Separation ◽  
Water Emulsion ◽  
Pvdf Membrane ◽  
Inorganic Particles ◽  
Emulsion Separation ◽  
Oil Water Separation ◽  
Oil Water

A facile modification of a PVDF membrane using CaCO3 inorganic particles via a layer-by-layer self-assembly process for efficient oil/water separation.

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