Two-Dimensional Materials Membrane and Adsorbent for Wastewater Treatment

Dear Colleagues,

In recent years, two-dimensional (2D) materials, such as graphene/graphene oxide (GO), graphite carbon nitride (g-C₃N₄), boron nitride, MXene, 2D metal-organic frameworks (MOFs), 2D covalent organic frameworks (COFs), layered double hydroxides, etc., have provided new opportunities for the development and innovation of membrane separation technology and adsorption separation technology. Two-dimensional materials have unique physical and chemical properties and microstructures, which can be stacked and self-assembled to construct nanochannels with limited mass transfer, making the membrane separation process precise and controllable in the molecular and ionic scales. In addition, the large specific surface area and rich functional sites of 2D materials can increase the contact area and exhibit higher adsorption capacity after surface or structural modification. Both of these aspects can satisfy more wastewater treatment and other aspects of separation requirement. This Special Issue aims to collect the latest research progress, breakthroughs, challenges, and future research directions of different kinds of 2D material membranes and adsorbents for wastewater treatment. In addition, manuscripts on the preparation and modification methods, in situ characterization, mass transfer mechanism, molecular dynamics (MD) simulation/calculation, and 2D material membrane and adsorbents amplification technology and large-scale applications are also very welcome. For 2D materials membrane and adsorbents applications, this Special Issue covers the removal and purification of organic dyes, heavy metal ions, oils, salts, radioactive elements, antibiotics, and other small molecule pollutants from wastewater. 

Dr. Guangyong Zeng
Guest Editor

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