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Extraction and Adsorption of Chemicals from Wastewater

A Special Issue of Molecules (ISSN 1420-3049) belonging to the section "Green Chemistry".

Deadline for manuscript submissions: 31 May 2027 | Viewed by 662

Editors


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Guest Editor
College of Nuclear Science and Technology, Harbin Engineering University, Harbin 150001, China
Interests: wastewater treatment; environmental remediation; radiochemistry; nuclear materials; nuclear fuel cycle

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Guest Editor
Center for Environmental Nanoscience and Risk (CENR), Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA
Interests: nanomaterials; environmental analysis; material characterization; materials; nanomaterial synthesis; polymers; thin films and nanotechnology; X-ray diffraction; SEM analysis; wastewater treatment
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Special Issue Information

Dear Colleagues,

This Special Issue is dedicated to collecting and presenting the most recent and noteworthy contributions concerning innovative materials designed for environmental applications, particularly focusing on the decontamination of air, water, and soil. We are especially interested in novel uses of inorganic, organic, or hybrid materials with porous or layered structures that facilitate the removal of pollutants through adsorption processes and/or the catalytic transformation of harmful compounds into less environmentally damaging species. The scope of this Special Issue encompasses, but is not limited to, new synthetic methodologies and characterization techniques for eco-friendly materials. Additionally, we seek contributions on characterization methods and studies related to pollutant removal processes—both for synthetic and real effluents—using experimental and theoretical approaches. We strongly encourage submissions addressing the removal and/or transformation of emerging contaminants such as pesticides, pharmaceuticals, industrial chemicals, surfactants, and personal care products. These are chemicals, whether synthetic or naturally occurring, that are not typically monitored in the environment but are known or suspected to have adverse effects on ecology and/or human health.

Dr. Peng Liu
Prof. Dr. Mohammed Baalousha
Prof. Dr. Yongchang Sun
Guest Editors

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Keywords

  • environmental depollution
  • adsorption processes
  • catalytic decontamination
  • porous and layered materials
  • characterization methods
  • adsorption removal

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Published Papers (1 paper)

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Research

16 pages, 7822 KB  
Article
Optimization of Cadmium Adsorption onto a Cellulose Acetate–Clay Composite Membrane Using Box–Behnken Design
by Sihem Dhieb, Safa Gamoudi, Farida Baraka, Xabier Erdocia, Jalel Labidi, Ridha Ben Salem and Younes Moussaoui
Molecules 2026, 31(17), 2976; https://doi.org/10.3390/molecules31172976 - 25 Aug 2026
Viewed by 286
Abstract
Cadmium contamination in water poses a serious environmental and health concern due to its high toxicity and persistence. In this context, the development of efficient and low-cost adsorbent materials has attracted increasing attention. This work examines the removal of Cd(II) from aqueous solution [...] Read more.
Cadmium contamination in water poses a serious environmental and health concern due to its high toxicity and persistence. In this context, the development of efficient and low-cost adsorbent materials has attracted increasing attention. This work examines the removal of Cd(II) from aqueous solution using a cellulose acetate–clay composite membrane as an adsorbent material. To evaluate the impact of clay inclusion, membranes were fabricated with varying clay concentrations (0%, 12.5%, and 25%). A Box–Behnken design was used to optimize the process; thermogravimetric analysis, X-ray diffraction, and Fourier-transform infrared spectroscopy were used to analyze the produced composite membranes. The characterization results confirmed the successful incorporation of clay into the cellulose acetate matrix and revealed important changes in the membrane structure and surface morphology. The adsorption performance was strongly affected by operating conditions, particularly temperature, contact time, and clay content. Under the optimal conditions of 30 °C, 4 h, and 5% clay content, the CA-Clay composite membrane achieved a maximum Cd(II) removal efficiency of 93.93% and an adsorption capacity of 12.35 mg/g. These results demonstrate that the composite membrane has a high affinity toward Cd(II) ions, exhibiting its high potential as a low-cost and efficient adsorbent for the removal of Cd(II) from aqueous solution. Full article
(This article belongs to the Special Issue Extraction and Adsorption of Chemicals from Wastewater)
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