Advanced Nanostructured Membranes

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1187

Special Issue Editor


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Guest Editor
College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
Interests: macroscopic and microscopic molecular dynamics simulation of the transport process of porous media; electrochemical properties of charged solids; controlled preparation and surface modification of high-efficiency nanofiltration and reverse osmosis membranes

Special Issue Information

Dear Colleagues,

Nanostructured membranes can be defined as membranes with an internal or surface nanostructure. This could be a dense membrane incorporated with nanomaterials, a porous membrane with nanoscale pores, or a combination of both. In recent years, advanced nanostructured membranes have emerged, demonstrating enormous development potential in fields such as water purification, wastewater treatment, and gas separation. The purpose of this journal is to collect and publish research and experiments on nanomaterials or structures in the field of membranes in order to better showcase the application prospects of advanced nanostructured membranes. We invite submissions of original research articles or comprehensive reviews on, but not limited to, the following topics:

  • Nanocomposites of nanostructured membranes;
  • Nanostructured membranes for gas separation;
  • Nanostructured membranes for water purification or wastewater treatment;
  • Computation and modeling of nanostructured membranes;
  • Preparation method of nanostructured membranes;
  • Research reviews of nanostructured membranes.

Dr. Haochen Zhu
Guest Editor

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Keywords

  • nanostructured
  • membranes
  • material
  • function
  • water treatment
  • gas separation

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Published Papers (1 paper)

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Research

17 pages, 4825 KiB  
Article
Investigation into the Simulation and Mechanisms of Metal–Organic Framework Membrane for Natural Gas Dehydration
by Qingxiang Song, Pengxiao Liu, Congjian Zhang, Yao Ning, Xingjian Pi and Ying Zhang
Nanomaterials 2024, 14(19), 1583; https://doi.org/10.3390/nano14191583 - 30 Sep 2024
Viewed by 686
Abstract
Natural gas dehydration is a critical process in natural gas extraction and transportation, and the membrane separation method is the most suitable technology for gas dehydration. In this paper, based on molecular dynamics theory, we investigate the performance of a metal–organic composite membrane [...] Read more.
Natural gas dehydration is a critical process in natural gas extraction and transportation, and the membrane separation method is the most suitable technology for gas dehydration. In this paper, based on molecular dynamics theory, we investigate the performance of a metal–organic composite membrane (ZIF-90 membrane) in natural gas dehydration. The paper elucidates the adsorption, diffusion, permeation, and separation mechanisms of water and methane with the ZIF-90 membrane, and clarifies the influence of temperature on gas separation. The results show that (1) the diffusion energy barrier and pore size are the primary factors in achieving the separation of water and methane. The diffusion energy barriers for the two molecules (CH4 and H2O) are ΔE(CH4) = 155.5 meV and ΔE(H2O) = 50.1 meV, respectively. (2) The ZIF-90 is more selective of H2O, which is mainly due to the strong interaction between the H2O molecule and the polar functional groups (such as aldehyde groups) within the ZIF-90. (3) A higher temperature accelerates the gas separation process. The higher the temperature is, the faster the separation process is. (4) The pore radius is identified as the intrinsic mechanism enabling the separation of water and methane in ZIF-90 membranes. Full article
(This article belongs to the Special Issue Advanced Nanostructured Membranes)
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