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Soil Remediation and Restoration for Environmental Sustainability

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Soil Conservation and Sustainability".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 626

Special Issue Editor

College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
Interests: soil remediation; soil health and sustainable management; solid waste management; soil microecology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The journal Sustainability is launching a Special Issue on "Soil Remediation and Restoration for Environmental Sustainability" and invites researchers, experts, and professionals from research institutions, universities, national and international organizations, and enterprises to contribute their research achievements in this field. With the acceleration of global industrialization and urbanization, soil contamination has become a significant challenge affecting environmental sustainability and human health. As an essential component of environmental systems, soil quality directly impacts food security, ecosystem health, and water resource protection. In recent decades, soil resources have been facing unprecedented pressures, resulting in widespread degradation and pollution. Based on the above, it is of paramount importance to develop innovative approaches for soil remediation and restoration under various anthropogenic interventions. This Special Issue aims to explore recent advances in soil decontamination and environmental sustainability, emphasizing machine learning applications in pollutant prediction, novel soil amendments, the environmental behavior of emerging contaminants, and saline–alkali soil improvement technologies.

Dr. Ting Yang
Guest Editor

Manuscript Submission Information

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Keywords

  • soil amendments
  • emerging contaminants in soil
  • saline–alkali soil remediation
  • machine learning
  • soil pollutant prediction
  • heavy metals

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Published Papers (1 paper)

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Research

18 pages, 1442 KB  
Article
Low-Rate Bauxite Residue Application Controls Nickel Adsorption, Fractionation, and Mobility in Soils of Different Physicochemical Properties
by Ioannis Massas, Ioannis Zafeiriou, Dafni Ioannou, Evgenia Georgiou, Danai Barmpika and Aikaterini Bravou
Sustainability 2026, 18(6), 2807; https://doi.org/10.3390/su18062807 - 12 Mar 2026
Viewed by 289
Abstract
Soils in industrially influenced areas are often exposed to elevated nickel (Ni) levels due to metallurgical and alumina production activities. In this context, this study evaluated bauxite residue (BR) as an amendment to mitigate Ni availability and mobility in five agricultural soils from [...] Read more.
Soils in industrially influenced areas are often exposed to elevated nickel (Ni) levels due to metallurgical and alumina production activities. In this context, this study evaluated bauxite residue (BR) as an amendment to mitigate Ni availability and mobility in five agricultural soils from the Attica region, Greece, selected according to their pH values. Apart from the pH, soil properties were greatly varied. A very small amount of 1% BR (w/w) was incorporated into soils and batch adsorption experiments with eight Ni concentrations ranging between 1 and 90 mg Ni L−1 were performed, followed by the direct application of the Tessier sequential fractionation scheme. BR addition increased the Ni adsorption capacity of soils, particularly those of low and neutral pH. BR increased the pH of acid soils, thus increasing the negatively charged sites on soil colloids. The Langmuir bL constant provided indications of advanced Ni surface precipitation in the presence of BR. However, the desorption results suggested that, in addition to pH, Fe-Mn free oxides, noticeably those of amorphous form, controlled Ni fractionation in the studied soils. The mobility factor (MF) showed that the availability of Ni was restricted in all soil–BR mixtures. Yet, the distribution of Ni among the chemically active phases was different depending mainly on Fe-Mn free oxide content. Due to its high content in iron oxides, BR assisted the retention of Ni in soils with low Fe-Mn oxide concentration and increased significantly the Ni proportion extracted from the reducible phase. However, in soils richer in Fe-Mn oxides, BR incorporation resulted in enhanced oxidizable and residual fractions, suggesting stronger Ni binding. The results demonstrate that even a low BR application effectively enhances Ni immobilization by increasing adsorption capacity, shifting Ni toward more stable geochemical fractions, and significantly reducing its mobility, highlighting its potential as a sustainable soil amendment for Ni-contaminated soils. Full article
(This article belongs to the Special Issue Soil Remediation and Restoration for Environmental Sustainability)
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