S. They investigated the Cd concentration and bioavailability in pots with loamy soil, monitoring the development of oak seedlings within the presence of rice husk biochar. The results demonstrated that in the highest tested biochar addition (5 by weight), the bioavailability was often decrease than in pots with out biochar as well as when the Cd concentration reached 50 mg kg-1 . The uptake of 1 metalloid and a few heavy metals (As, Cd, Ce, Co, Cr, Cu, Fe, La, Mn, Ni, Pb, V, Zn) by edible plants in urban soils will be the key subject with the manuscript presented by Gaggero et al. [6]. They studied metal uptake in two common vegetables, namely, Lactuca sativa and Brassica oleracea, grown in contaminated soils, with and without the need of soil amendment deriving from biodegradable wastes. Specifically, the authors analyzed the aerial components and roots of these vegetables. Then, the results were compared using the ones observed in uncontaminated soil. It was shown that the plants grown in contaminated soils PHA-543613 Agonist absorbed the toxic components. When soil amendment was used, the toxic element accumulation was found mainly within the roots, using a restricted quantity of pollutants reaching the aerial parts (i.e., the edible components). As the last manuscript, but of no minor relevance, Han et al. [7] present the study carried out around the flow polluted with copper via a permeable membrane in the filters for contaminant removal, as happens in Korean landfills. The experimental runs have been performed in hydrophobic-coated capillary tubes to simulate the landfill in which related flow conditions is often present. The outcomes showed that in the center from the tube, the flow price was generally higher than close to the surface, exactly where the hydrophobic situation slowed down the hydrophilic contaminant. This also occurred when the pH was changed, namely when it elevated from four to 10. The experimental data were Goralatide Technical Information modeled by computational fluid dynamics (CFD). In the applicative point of view, this indicates an effect by the pH situation, in terms of slowing down the flow rate by the hydrophobic surface, giving the opportunity of selective remediation. Altogether, the Specific Situation collected data and outcomes coming from unique attributes on the exact same environmental situation, namely the remediation of soils polluted with heavy metals. All the studies evidenced the need to additional investigate such options. Moreover, all the manuscripts highlighted the vital point to transfer the current data to a bigger scale, to get robust information and information for a real-scale application. In other terms, tighter cooperation among analysis along with the industrial world is expected.Author Contributions: The Authors have offered precisely the same contribution to all the actions through the preparation of this manuscript. They’ve study and agreed to its published version. All authors have read and agreed to the published version from the manuscript.Appl. Sci. 2021, 11,3 ofFunding: This study received no external funding. Acknowledgments: The Guest Editors would like to thank each the authors for their contribution to the Particular Issue plus the reviewers for their time spent to enhance the high quality from the manuscripts and journal. A special thank to Christy Cui along with the Editorial Office for their help. Conflicts of Interest: The authors declare no conflict of interest.
Received: 12 October 2021 Accepted: 4 November 2021 Published: 10 NovemberPublisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affilia.