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Novel Cost-Effective Remedial Techniques for Treating Organic and Inorganic Pollutants...
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Novel Cost-Effective Remedial Techniques for Treating Organic and Inorganic Pollutants in Water Resources

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

Deadline for manuscript submissions: closed (31 March 2021) | Viewed by 4918

Special Issue Editors

Assoc. Prof. Dr. Eung Seok Lee

E-Mail Website
Guest Editor
Department of Geological Sciences, Ohio University, Athens, OH 45701, USA
Interests: contaminant hydrogeology; environmental isotope hydrology; carbonate-rock hydrogeology
Dr. Yongje Kim

E-Mail Website
Guest Editor
Korea Institute of Geoscience and Mineral Resources, Daejeon 305350, Korea
Interests: groundwater sustainability, managed aquifer system, nonpoint source pollution

Special Issue Information

Dear Colleagues,

Contaminated water resources are inherently difficult to treat given the highly variable kinds and levels of constituents, complicated subsurface structures, and complex ecosystems associated with them. While some success has been seen at small scale and when large amount of resource is available for cleanup, treating contaminated water resources in cost effective manner remains a challenge, especially when contamination occurs over large areas. Considering the ultimate importance of clean water resources in the 21th Century and beyond, continued efforts for developing novel materials, tools, and schemes and further advancing cutting-edge techniques is greatly warranted to improve cost effective applications of physical, chemical, biological, and hybrid processes of natural or artificial origins.

This special issue aims to provide readers with a collection of most recent top-notch research outcomes in developing novel materials, tools, or methods and further advancing cutting-edge techniques for low-cost, high-efficiency treatment of contaminated groundwater and surface water resources of variable types and scales. This includes research and development activities at laboratory-, bench-, and field-scale and computer modeling to support such efforts. We invite leading experts in the field to contribute high-quality original research papers and review articles to integrate, disseminate, and promote advances in this important field.

Potential topics include but are not limited to novel materials, systems, and methods or computer modeling to support such efforts and new findings to further advance cutting-edge techniques utilizing physical, chemical, biological, or hybrid processes of natural or artificial sources for treating or addressing the followings in novel and cost-effective manner:

  • contaminant plumes of variable scales in groundwater
  • pollutants in agricultural and urban runoff
  • metals in polluted rock drainage in abandoned and active mine lands
  • pollutants in industrial waste discharge
  • emerging pollutants in urban water resources
  • vapor intrusion due to organic pollutants in groundwater
  • contaminated surface and groundwater by a variety of energy production activities
  • contaminated water in remote areas
  • pollutants in landfill leachates
  • improved cost-effectiveness in characterizing and monitoring contamination and remediation of surface and groundwater resources

Assoc. Prof. Dr. Eung Seok Lee
Dr. Yongje Kim
Guest Editors

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

  • contaminated water resources
  • contaminated groundwater
  • contaminated surface water resources
  • low-cost, high-efficiency water treatment
  • novel cost-effective remedial techniques

Published Papers (2 papers)

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Research

11 pages, 2021 KiB  
Article
Investigation of Direct Applicability of Modified Agricultural Waste for Contaminant Removal from Real Textile Wastewater
by Zehra SAPCI-AYAS
Water 2021, 13(10), 1354; https://doi.org/10.3390/w13101354 - 13 May 2021
Cited by 2 | Viewed by 2337
Abstract
The textile industry produces enormous volumes of wastewater which must be treated effectively. In this study, biosorbent from the agricultural waste of potato peels (PP), which is environmentally friendly and easy to find everywhere, was used for the treatment of real textile wastewater. [...] Read more.
The textile industry produces enormous volumes of wastewater which must be treated effectively. In this study, biosorbent from the agricultural waste of potato peels (PP), which is environmentally friendly and easy to find everywhere, was used for the treatment of real textile wastewater. Physical modification, chemical activation, bio-hybrid and high-pressure modification processes were applied to PP to investigate the organic pollutant removal (chemical oxygen demand (COD)) and inorganic (Fe2+, Ni2+, Cu2+ and Cd2+) from original textile wastewater. Additionally, the effects of contact time (5, 15, 30, 60, 120, and 1440 min) and particle sizes (1.5–1.0 mm, 1.0–0.5 mm, and smaller than 0.5 mm in diameter) were investigated in a batch treatment system. Application of the physical modification process to PP presented an attractive solution for COD removal efficiency (69.50%) and removal efficiencies for four divalent metal ions; 78.6% for Cu2+, 63.6% for Ni2+, 40% for Fe2+, and 34.6% for Cd2+. FT-IR, SEM, and EDX analysis were performed to reveal the adsorption mechanism of the modified adsorbents. The FT-IR results indicate that the adsorption process fits the chemical and physical removal mechanisms, which were also supported by SEM images and EDX results. Full article
(This article belongs to the Special Issue Novel Cost-Effective Remedial Techniques for Treating Organic and Inorganic Pollutants in Water Resources)
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13 pages, 6506 KiB  
Article
Optimization and Analysis of a Slow-Release Permanganate Gel for Groundwater Remediation in Porous and Low-Permeability Media
by Jesse L. Hastings and Eung Seok Lee
Water 2021, 13(6), 755; https://doi.org/10.3390/w13060755 - 10 Mar 2021
Cited by 5 | Viewed by 2101
Abstract
Dense nonaqueous phase liquids (DNAPLs) like trichloroethylene (TCE) serve as the most common form of groundwater pollution in the world. Potassium permanganate (KMnO4) is a strong oxidant that can quickly destroy DNAPLs into innocuous products. Slow-release permanganate gel (SRPG), a mixture [...] Read more.
Dense nonaqueous phase liquids (DNAPLs) like trichloroethylene (TCE) serve as the most common form of groundwater pollution in the world. Potassium permanganate (KMnO4) is a strong oxidant that can quickly destroy DNAPLs into innocuous products. Slow-release permanganate gel (SRPG), a mixture of colloidal silica (CS) and KMnO4, has been recently developed as novel treatment option for dilute and large plumes of DNAPLs in groundwater. The objective of this study was to characterize and optimize gelling and release properties of a SRPG solution in saturated porous media. It was hypothesized that CS and KMnO4 content of the SRPG constrain gelation and release duration. Batch and column tests showed that gelation could be delayed through manipulation of the KMnO4 content. In column tests, silica content had little effect on the gelation lag stage and release rate but influenced duration of permanganate release. Flow tank tests comparing Bindzil 1440 (B-40) SRPGs with pure KMnO4 solutions under varying media conditions demonstrated that the presence of CS enhanced lateral spread and prolonged release duration of the oxidant. Full article
(This article belongs to the Special Issue Novel Cost-Effective Remedial Techniques for Treating Organic and Inorganic Pollutants in Water Resources)
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