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Nanoparticle Removal and Remediation Processes in Water and Soil
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Nanoparticle Removal and Remediation Processes in Water and Soil

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 5390

Special Issue Editor

Dr. Sungjun Bae

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
Interests: energy/resource recovery from environmental pollutants using nanotechnology; development of Green-SMART remedial nano technology (soil and groundwater); development of redox catalysts for water and wastewater treatment; controlling fate and transport of radionuclides by geo-biochemical reactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Summary: The increasing presence of nanoparticles and contaminants in water and soil has raised significant concerns about their potential impact on human health and the environment. As the utilization of nanomaterials and toxic contaminants becomes more widespread, there is an urgent need to explore and develop efficient strategies for nanoparticle removal and soil/water remediation. The goal of this Special Issue is to present the latest advancements and research findings related to innovative techniques and technologies used in the removal and remediation of nanoparticles and contaminants from water and soil environments.

Scope: We invite researchers, scientists, and engineers from around the world to contribute original research articles, reviews, and case studies that address the challenges and opportunities associated with nanoparticle removal and remediation processes in water and soil. Topics of interest for this Special Issue include, but are not limited to:

  • Novel filtration techniques for the removal of nanoparticles and contaminants;
  • Coagulation and flocculation processes for nanoparticle aggregation;
  • Precipitation processes for contaminant removal;
  • Membrane-based separation methods for nanoparticle removal;
  • Adsorption mechanisms and materials for efficient removal of nanoparticles and contaminants;
  • Bioremediation approaches for nanoparticle detoxification;
  • Electrochemical methods for removal of nanoparticles and contaminants;
  • Advanced oxidation processes (AOPs) in water treatment and soil remediation;
  • Nanoparticle removal from industrial effluents and wastewaters;
  • Fate and transport of nanoparticles and contaminants in water and soil matrices;
  • Environmental impact and risk assessment of nanoparticle contamination;
  • Case studies on successful nanoparticle removal and remediation projects;
  • Multi-disciplinary approaches to tackle nanoparticle and contaminant pollution.

Dr. Sungjun Bae
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 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

  • nanoparticles
  • contaminant
  • removal
  • water
  • soil

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Published Papers (2 papers)

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Research

22 pages, 7701 KiB  
Article
Promising and Environmentally Friendly Removal of Copper, Zinc, Cadmium, and Lead from Wastewater Using Modified Shrimp-Based Chitosan
by Aminur Rahman
Water 2024, 16(1), 184; https://doi.org/10.3390/w16010184 - 4 Jan 2024
Cited by 12 | Viewed by 3442
Abstract
This study explores the potential of modified shrimp-based chitosan (MSC) as an innovative adsorbent for eliminating heavy metals (HMs) from contaminated water sources. The modifications encompassed various chemical treatments, surface functionalization, and structural optimization to enhance the chitosan’s adsorption capabilities. Comprehensive analyses using [...] Read more.
This study explores the potential of modified shrimp-based chitosan (MSC) as an innovative adsorbent for eliminating heavy metals (HMs) from contaminated water sources. The modifications encompassed various chemical treatments, surface functionalization, and structural optimization to enhance the chitosan’s adsorption capabilities. Comprehensive analyses using FT-IR and SEM-EDS were conducted to evaluate the properties of the chitosan. The adsorption capacity of MSC was assessed using ICP-MS before and after the adsorption process. Moreover, the study investigated the efficiency of HM removal by MSC under different conditions, including variations in pH, adsorbent dosage, and contact time. Under neutral pH conditions, the highest adsorption rates of copper, zinc, cadmium, and lead were determined as 99.72%, 84.74%, 91.35%, and 99.92%, respectively, with corresponding adsorption capacities of 20.30 mg/g for copper, 7.50 mg/g for zinc, 15.00 mg/g for cadmium, and 76.34 mg/g for lead. Analysis based on the Langmuir and Freundlich isotherm models revealed highly significant adsorption of HMs, supported by strong correlation coefficients (r2 > 0.98) obtained from the data. The pseudo-second-order kinetic model with linear coefficients (r2) greater than 0.97 effectively explained the kinetic studies of metal adsorption employing modified shrimp shells. These coefficients indicate a robust fit of the models to the experimental adsorption data for heavy metals. Further confirmation of the effectiveness of the adsorbent was obtained through FT-IR spectroscopy, which confirmed the presence of specific functional groups on the adsorbent, such as N–H joined with –COO−, H–O, C−O−C, and C–H. Additionally, the SEM-EDS analysis detected the presence of elements on the surface of MSC chitosan. The results emphasize that MSC is a highly effective and cost-efficient adsorbent for eliminating Cu, Zn, Cd, and Pb from wastewater, making it a promising eco-friendly choice. Full article
(This article belongs to the Special Issue Nanoparticle Removal and Remediation Processes in Water and Soil)
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15 pages, 3785 KiB  
Article
Comparison of Solubilization Treatment Technologies for Phosphorus Release from Anaerobic Digestate of Livestock Manure
by Jae Hwa Lee, Kyung Jin Min, Hyo Jin An and Ki Young Park
Water 2023, 15(23), 4033; https://doi.org/10.3390/w15234033 - 21 Nov 2023
Cited by 3 | Viewed by 1535
Abstract
This study addresses the imminent threat of phosphorus (P) depletion, investigating anaerobically digested livestock manure as a high-concentration P alternative. To achieve this objective, Visual MINTEQ software, a general-purpose software used for chemical equilibrium modeling, was employed to simulate the alteration in P [...] Read more.
This study addresses the imminent threat of phosphorus (P) depletion, investigating anaerobically digested livestock manure as a high-concentration P alternative. To achieve this objective, Visual MINTEQ software, a general-purpose software used for chemical equilibrium modeling, was employed to simulate the alteration in P species fractions at different pH levels. The investigation further examined the variation in P release rates and electrical energy consumption across various pretreatment processes as influenced by pH levels. The results indicate a significant pH influence on P release, with enhanced efficacy under both acidic and alkaline conditions. At pH 2, total P concentration peaked at 684 mg·L−1, with 83.0% reactive P, in contrast with pH 10 conditions, which exhibited 504 mg·L−1 and 48.4%, respectively. P release increased with reaction time across all pretreatment processes. Sonication notably increased P release by 126.9%, with the highest reactive P release efficiency at 2.09 mg·L−1·Wh−1, emerging as an optimal process. Simulation results using Visual MINTEQ software indicate that the inclination for P release in alkaline conditions can be ascribed to the heightened presence of hydroxyapatite, brushite, and Ca-Fe (III)-phosphate bonds with rising pH levels. These simulation results, which are consistent with the experimental results, affirm the crucial influence of cations in determining P release on pH values. Full article
(This article belongs to the Special Issue Nanoparticle Removal and Remediation Processes in Water and Soil)
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