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Applications of Nanomaterials in Gas Capture, Adsorption, Separation and Storage

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

Deadline for manuscript submissions: 7 November 2025 | Viewed by 593

Special Issue Editor

Special Issue Information

Dear Colleagues,

Gas capture, adsorption, separation, and storage play critical roles in energy utilization efficiency, a key issue that must be addressed in traditional petrochemistry and emerging industries aiming at net-zero CO2 emissions. The development of industry and technology has brought higher requirements for and challenges to gas capture, separation, and storage materials and technologies.

The Belt and Road Initiative proposed by China is a common aspiration of all countries along their routes to achieve the sustainable development of the environment, economy, society, and people's livelihoods. To mitigate global warming as well as carbon emissions and reach carbon neutrality, CO2 capture and geological storage, hydrogen production, transport and storage projects, and hydrocarbon/coal recovery must be realized. The development of nanomaterials with desired combination properties and corresponding methods for target applications, which can minimize the environmental impact via gas capture, separation, and storage, has attracted increasing attention over the last few decades. Green and eco-friendly techniques focus on relevant mechanisms and technology that reduce the use of hazardous substances and non-renewable sources. Nanomaterials for gas capture, separation, and storage are considered to be energy-efficient, low-cost, renewable, and environmentally friendly for a sustainable future.

This Special Issue shall present the latest research updates related to CO2 capture, utilization, and storage (CCUS), petrophysics, geology, and other areas. In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • CO2/CH4/H2 geo-storage;
  • Gas transport in nanoporous media;
  • Advanced nanomaterials for gas capture, adsorption, separation, and storage;
  • Mechanisms of gas capture, adsorption, separation, and storage.

We look forward to receiving your contributions.

Dr. Zheng Sun
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nanomaterials
  • nanophenomenon
  • nanogeology
  • CO2/CH4/H2 geo-storage
  • transport in porous media
  • advanced nanomaterials for gas capture, separation, and storage
  • mechanisms of gas capture, separation, and storage

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Published Papers (1 paper)

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Research

19 pages, 2530 KiB  
Article
Experimental and Artificial Neuron Network Insights into the Removal of Organic Dyes from Wastewater Using a Clay/Gum Arabic Nanocomposite
by Malak F. Alqahtani, Ismat H. Ali, Saifeldin M. Siddeeg, Fethi Maiz, Sawsan B. Eltahir and Saleh S. Alarfaji
Nanomaterials 2025, 15(11), 857; https://doi.org/10.3390/nano15110857 - 3 Jun 2025
Viewed by 324
Abstract
Organic dyes are pollutants that threaten aquatic life and human health. These dyes are used in various industries; therefore, recent research focuses on the problem of their removal from wastewater. The aim of this study is to examine the clay/gum arabic nanocomposite (CG/NC) [...] Read more.
Organic dyes are pollutants that threaten aquatic life and human health. These dyes are used in various industries; therefore, recent research focuses on the problem of their removal from wastewater. The aim of this study is to examine the clay/gum arabic nanocomposite (CG/NC) as an adsorbent to adsorb methylene blue (MB) and crystal violet (CV) dyes from synthetic wastewater. The CG/NC was characterized using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and Brunaure–Emmett–Teller (BET). The effect of parameters that may influence the efficiency of removing MB and CV dyes was studied (dosage of CG/NC, contact time, pH values, initial concentration, and temperature), and the optimal conditions for removal were determined. Furthermore, an artificial neural network (ANN) model was adopted in this study. The results indicated that the adsorption behavior adhered to the Langmuir model and conformed to pseudo-second-order kinetics. The results also indicated that the removal efficiency reached 99%, and qmax reached 66.7 mg/g and 52.9 mg/g for MB and CV, respectively. Results also proved that CG/NC can be reused up to four times with high efficiency. The ANN models proved effective in predicting the process of the removal, with low mean squared errors (MSE = 1.824 and 1.001) and high correlation coefficients (R2 = 0.945 and 0.952) for the MB and CV dyes, respectively. Full article
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