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The Role of Constructed Wetlands in Wastewater Treatment and Recycling...
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The Role of Constructed Wetlands in Wastewater Treatment and Recycling in Agriculture

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

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 2583

Special Issue Editor

Dr. Suhad Almuktar

E-Mail Website
Guest Editor
1. Division of Water Resources Engineering, Lund University, Lund, Sweden
2. Civil Engineering Research Group, School of Science, Engineering and Environment, The University of Salford, Salford, UK
3. Department of Architectural Engineering, Faculty of Engineering, The University of Basrah, Al-Basrah, Iraq
Interests: wastewater management; water recycling; water quality; sanitation; waste management; irrigation; water resource management; water contaminants; sustainability; resilient infrastructure
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to water scarcity challenges around the world, it is essential to think about non-conventional water resources to address the increased demand for clean water. Environmental and public health problems come as a result of insufficient provision of sanitation and poor wastewater disposal facilities. Because of this, wastewater treatment and recycling methods will be vital in providing sufficient freshwater in the coming decades, since water resources are limited, and more than 70% of water is used in irrigation. Therefore, the application of treated wastewater for agricultural irrigation has significant potential, especially when incorporating the reuse of nutrients, such as nitrogen and phosphorous, which are essential for plant production. Among currently available treatment technologies for application in wastewater treatment, constructed wetlands are considered to be one of the most suitable options in terms of pollutant removal, and have advantages in their low maintenance costs and minimal energy consumption.

The aim of this Special Issue of Water is to collate contributions in the broad field of water and environmental sciences which meet the knowledge demand and address the challenges in treating various wastewater types using wetland technology. Authors are invited to submit advanced, integrated research on wetland efficiency and system performance in treating wastewaters, discussing the challenges of emerging contaminants, and recommending proper techniques to handle and remove these pollutants from the wetland functional systems. Long-term studies on recycling wastewater treated by wetlands for irrigation of crops are welcomed, as are those discussing the concerns surrounding micro-pollutants in treated wastewaters, that can pose risks to the environment and to humans when applied for irrigation purposes, are especially welcomed.

Dr. Suhad Almuktar
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

  • phytoremediation
  • sustainable management
  • treatment technology
  • water scarcity
  • water reuse
  • wastewater reclamation
  • constructed wetland
  • pollution control
  • domestic wastewater
  • industrial wastewater
  • irrigation

Published Papers (1 paper)

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Research

15 pages, 1449 KiB  
Article
Potential of Epipremnum aureum and Bacopa monnieri (L.) Wettst for Saline Phytoremediation in Artificial Wetlands
by Marcos Alfonso Lastiri-Hernández, Dioselina Álvarez-Bernal, Gustavo Cruz-Cárdenas, J. Teodoro Silva-García, Eloy Conde-Barajas and Ernesto Oregel-Zamudio
Water 2023, 15(1), 194; https://doi.org/10.3390/w15010194 - 02 Jan 2023
Cited by 2 | Viewed by 2110
Abstract
The aim of this research was to evaluate the phytoremediative potential of Epipremnum aureum and Bacopa monnieri to improve the chemical properties of irrigation water exposed to the following two saline concentrations: highly saline (EC 2000 μS cm−1) and severely saline [...] Read more.
The aim of this research was to evaluate the phytoremediative potential of Epipremnum aureum and Bacopa monnieri to improve the chemical properties of irrigation water exposed to the following two saline concentrations: highly saline (EC 2000 μS cm−1) and severely saline (EC 4000 μS cm−1). The artificial wetlands used in this experiment were of the free water surface type, considering a hydraulic retention time of 42 days. The evaluated treatments were configured as follows: T1 (B. monnieri [control, 300 μS cm−1]), T2 (B. monnieri [2000 μS cm−1]), T3 (B. monnieri [4000 μS cm−1]), T4 (E. aureum [control, 300 μS cm−1]), T5 (E. aureum [2000 μS cm−1]), T6 (E. aureum [4000 μS cm−1]), T7 (B. monnieri + E. aureum [control, 300 μS cm−1]), T8 (B. monnieri + E. aureum [2000 μS cm−1]), and T9 (B. monnieri + E. aureum [4000 μS cm−1]). The results showed that the species B. monnieri and E. aureum (both separately and together) showed a good ability to reduce the salinity of the irrigation water. However, B. monnieri showed a greater ability of phytoremediation, to the point of improving its chemical properties and reducing potential damage to the soil to use this water. In the highly saline group, B. monnieri accumulated 7.992 g per experimental unit and achieved to reduce of the pH from 7.96 to 7.75, EC from 2000 μS cm−1 to 670 μS cm−1, SAR from 13.54 to 3.91 and ESP from 20.17 to 5.83, which allowed it to go from (C3-S3) to (C3-S1). In the severely saline group, B. monnieri accumulated 13.494 g per experimental unit and achieved to reduce the pH from 8.14 to 7.91, EC from 4000 μS cm−1 to 1730 μS cm−1, SAR from 27.35 to 8.73, ESP from 40.35 to 13.01, which allowed it to go from (C4-S4) to (C3-S2). Full article
(This article belongs to the Special Issue The Role of Constructed Wetlands in Wastewater Treatment and Recycling in Agriculture)
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