Wastewater Treatment and Waste Recovery in Environmental Processes

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".

Deadline for manuscript submissions: closed (21 July 2024) | Viewed by 1084

Special Issue Editors


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Guest Editor
Chemical and Environmental Engineering School, RMIT University, Melbourne, VIC 3000, Australia
Interests: wastewater treatment; biosolids management; waste recovery; thermochemical processes; wet waste; hydrtohermal treatment

E-Mail Website
Guest Editor
Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
Interests: chemical looping; biogas decarbonisation to hydrogen and carbonanomaterials; thermal treatment processes; wastes transformation to energy and materials
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Special Issue Information

Dear Colleagues,

The effective management and treatment of wastewater play a critical role in maintaining environmental sustainability. Wastewater generated from various sources, including households and industrial plants, contains a diverse array of contaminants such as personal care products, pharmaceuticals, pathogens, and emerging pollutants like per- and poly-fluoroalkyl substances (PFASs), which can pose threats to human and animal health even at trace levels. Additionally, wastewater contains valuable nutrients like nitrogen and phosphorus, which are often viewed as more of a threat than a resource. Traditional waste recycling plants are designed to remove suspended solids, eliminate contaminants and nutrients, and convert organic matter into bio-energy and biosolids. However, there is a growing need to explore innovative approaches, technologies, and strategies that can enhance the efficiency of wastewater treatment and waste recovery in the following key areas:

  • Advancement in wastewater treatment technologies;
  • Recovery of valuable resources (nutrients, energy, and biosolids);
  • Integrated approaches for optimizing processes;
  • Novel materials and processes to enhance efficiency;
  • Life cycle assessment of new systems and processes;
  • Techno-economic analysis of wastewater treatment processes.

Developments in these areas can advance our collective understanding and promote sustainable solutions for wastewater treatment and waste recovery, contributing to a cleaner and healthier environment.

Dr. Mojtaba Hedayati Marzbali
Prof. Dr. Kalpit Shah
Guest Editors

Manuscript Submission Information

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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. Processes is an international peer-reviewed open access monthly 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 2400 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

  • wastewater treatment
  • emerging contaminants
  • nutrient recovery
  • resource recovery
  • innovative approaches
  • efficiency enhancement
  • life cycle assessment
  • techno-economic analysis

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Published Papers (1 paper)

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Research

19 pages, 4604 KiB  
Article
Removal of Glyphosate in Agricultural Runoff Using Subsurface Constructed Wetlands in Monocultures and Polycultures of Tropical Plants
by Graciano Aguilar-Cortés, Gustavo Martínez-Castellanos, Georgina Martínez-Reséndiz, Sergio Aurelio Zamora-Castro, María Cecilia Monroy-Pineda and Luis Carlos Sandoval Herazo
Processes 2025, 13(3), 860; https://doi.org/10.3390/pr13030860 - 14 Mar 2025
Viewed by 601
Abstract
Glyphosate (GLY) is the most widely used herbicide in agriculture worldwide, posing a significant contamination risk to rivers, lakes, wetlands, and soils. Its ultimate fate represents a potential threat to the health of both terrestrial and aquatic ecosystems. This study evaluated the removal [...] Read more.
Glyphosate (GLY) is the most widely used herbicide in agriculture worldwide, posing a significant contamination risk to rivers, lakes, wetlands, and soils. Its ultimate fate represents a potential threat to the health of both terrestrial and aquatic ecosystems. This study evaluated the removal efficiency of glyphosate and conventional pollutants in mesocosm-scale horizontal subsurface flow-constructed wetlands planted with Canna indica, Heliconia psittacorum, and Alpinia purpurata in runoff water contaminated with glyphosate. Additionally, the study examined the performances of these species in monoculture and polyculture settings of tropical ornamental plants. Canna indica exhibited the highest growth (up to 160 cm) in both monoculture and polyculture conditions, as well as the highest removal efficiencies for total nitrogen (TN), total phosphorus (TP), and phosphate (PO43⁻), achieving a 91%, 93%, and 98% removal, respectively. Polyculture systems demonstrated a superior ammonium removal efficiency, reaching 94%. Alpinia purpurata (>5 ppm after 40 days) and Heliconia psittacorum (>5 ppm after 200 days) were the most effective species for glyphosate removal. Glyphosate can be effectively removed from aquatic environments through constructed wetlands planted with ornamental species, offering a sustainable approach to mitigating herbicide contamination in water bodies. Full article
(This article belongs to the Special Issue Wastewater Treatment and Waste Recovery in Environmental Processes)
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