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Advances in Environmental Remediation and Wind–Sand Stabilization Materials

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Applied Chemistry".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 1129

Special Issue Editor


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Guest Editor
College of Urban and Environmental Sciences, Northwest University, Xi'an 710127, China
Interests: soil remediation and improvement; windbreak and sand fixation; supercapacitors and capacitive deionization technology

Special Issue Information

Dear Colleagues,

In recent decades, land degradation, soil erosion, and water/soil/air pollution caused by human activities have become increasingly severe, posing significant threats to ecosystems and human health. Among these issues, wind-induced desertification intertwines with water and soil pollution from industrial and agricultural activities, further complicating environmental management. Pollutants such as heavy metals, pesticides, microplastics, and emerging organic compounds accumulate in soil and water bodies, disrupting ecological balance and potentially endangering biological health through the food chain. Meanwhile, the frequent occurrence of desertification and sandstorms highlights the urgent need for advanced windbreaking and sand-fixing technologies.

Conventional environmental remediation techniques (e.g., adsorption, chemical oxidation, and biodegradation) and traditional sand fixation methods (e.g., straw checkerboard barriers and vegetation restoration) have shown some effectiveness but still face challenges in efficiency, adaptability, and sustainability. Therefore, the development of novel, high-performance multifunctional materials and innovative technologies to achieve synergistic pollution control and ecological restoration has become a key research focus.

This Special Issue, titled “Advances in Environmental Remediation and Wind–Sand Stabilization Materials”, aims to promote innovative research in the following areas:

Novel Environmental Remediation Materials: Including but not limited to high-efficiency materials for removing pollutants (e.g., heavy metals, organic contaminants, nitrates) from water, soil, and air, as well as composite materials with integrated functions such as catalytic degradation, wind erosion resistance, and soil improvement.

Windbreaking and Sand-Fixing Technologies: Exploration of new sand fixation methods based on natural or synthetic materials, such as biomimetic sand-fixing materials, eco-friendly binders, and sustainable sand stabilization systems combining biological soil crusts and vegetation restoration.

Mechanisms and Evaluation: Investigation of the mechanisms underlying material performance in environmental remediation and sand fixation, along with the establishment of assessment frameworks for ecological safety and long-term stability.

We welcome original research articles, reviews, and case studies covering material design, technological development, mechanistic studies, and engineering applications, with the goal of providing scientific and technological solutions useful in global environmental governance and ecological restoration.

Dr. Baoshou Shen
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 2700 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

  • soil remediation and improvement
  • water purification
  • windbreak and sand fixation
  • air purification materials
  • natural eco-materials

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Published Papers (2 papers)

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Research

21 pages, 5628 KB  
Article
Combined Effects of Low-Density Polyethylene (LDPE), Zn(II), Cu(II), and Metolachlor on Trichoderma harzianum Growth, Oxidative Stress Induction, and Herbicide Degradation
by Anastasiia Kubera, Przemysław Bernat, Sylwia Różalska, Alicja Okrasińska and Mirosława Słaba
Molecules 2026, 31(6), 1038; https://doi.org/10.3390/molecules31061038 - 20 Mar 2026
Viewed by 404
Abstract
The widespread presence of microplastics (MPs), heavy metals, and herbicide residues in agricultural soil raises concerns about their combined effects on soil microorganisms. This study examined the combined impact of Zn(II)/Cu(II), low-density polyethylene (LDPE), and metolachlor (MET) on Trichoderma harzianum IM 7002, a [...] Read more.
The widespread presence of microplastics (MPs), heavy metals, and herbicide residues in agricultural soil raises concerns about their combined effects on soil microorganisms. This study examined the combined impact of Zn(II)/Cu(II), low-density polyethylene (LDPE), and metolachlor (MET) on Trichoderma harzianum IM 7002, a strain isolated from heavily polluted soil in central Poland. Exposure to LDPE and MET alone reduced fungal growth and induced oxidative stress, whereas Zn(II) at a concentration of 5 mM and Cu(II) at a concentration of 2.5 mM stimulated growth and enhanced MET degradation. HPLC MS/MS analysis identified transformation products, confirming active degradation even under co-exposure to LDPE and metals. Notably, simultaneous exposure to MET, LDPE, and Cu(II) (5 mM) increased antioxidant enzyme activity and decreased lipid peroxidation, suggesting a strengthened antioxidant defense and/or partial utilization of reactive oxygen species during MET biotransformation. Pollutant mixtures also caused quantitative shifts in membrane phospholipid composition and a slight increase in membrane permeability, indicating both toxic effects and adaptive membrane remodeling in response to chemical stress. Overall, T. harzianum IM 7002 exhibited high tolerance to complex pollutant mixtures while maintaining herbicide-degradation capacity, highlighting its potential for remediation of contaminated agricultural soils. Full article
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16 pages, 2836 KB  
Article
Humic Acid-Derived Porous Carbon as Peroxymonosulfate Activator for Phenol Removal
by Mingqi Sun, Xinning Sun, Jiuling Huang, Hao Dong, Zhongming Guo, Jianjun Qu, Jianhua Xiao, Xiaoli Zhu and Baoshou Shen
Molecules 2026, 31(6), 975; https://doi.org/10.3390/molecules31060975 - 13 Mar 2026
Viewed by 397
Abstract
To enable the efficient and environmentally benign treatment of phenol-containing wastewater, a nitrogen-doped porous carbon material (denoted as 900-CN) was synthesized via high-temperature annealing of a composite composed of humic acid (HA) and g-C3N4. The as-prepared materials were characterized, [...] Read more.
To enable the efficient and environmentally benign treatment of phenol-containing wastewater, a nitrogen-doped porous carbon material (denoted as 900-CN) was synthesized via high-temperature annealing of a composite composed of humic acid (HA) and g-C3N4. The as-prepared materials were characterized, and their catalytic performance in activating peroxymonosulfate (PMS) for phenol degradation was investigated. The results demonstrate that g-C3N4 acts as a layered template; upon high-temperature annealing, it gradually evolves into a highly wrinkled and porous architecture. This morphology substantially increases the specific surface area, thereby facilitating pollutant removal. PMS formed metastable surface complexes on 900-CN, enabling concomitant electron transfer. Concurrently, functional groups on the HA-derived carbon reacted with PMS to generate singlet oxygen (1O2), a highly oxidative species that markedly enhanced phenol degradation. The 900-CN composite achieved complete phenol removal (100%) within 60 min. Variations in reaction temperature (20–50 °C) and initial pH (2–10) exhibited negligible influence on the performance of the 900-CN/PMS system. Reactive species in the 900-CN/PMS/phenol system included •OH, SO4•−, O2•−, and 1O2, indicating that phenol degradation occurred through combined radical and non-radical pathways. These findings highlight the strong potential of 900-CN as a promising catalyst for the treatment of phenolic wastewater. Full article
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