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Ecological Wastewater Treatment and Resource Utilization

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

Deadline for manuscript submissions: 25 October 2025 | Viewed by 1254

Special Issue Editors


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Guest Editor
College of Life and Environmental Science, Wenzhou University, Wenzhou 325000, China
Interests: water ecological restoration; aquatic plant; wastewater treatment; river sediment treatment; adsorption; heavy metals removal

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Guest Editor
School of Environment, Henan Normal University, Xinxiang 453007, China
Interests: wastewater treatment; capacitive deionization; advanced oxidation process; heavy metal removal; photocatalysis
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Special Issue Information

Dear Colleagues,

Water pollution has become a significant global environmental issue. Many technologies are used in controlling water pollution or wastewater treatment. Among them, ecological treatment technologies are attracting more and more attention due to their high efficiency, low operating cost, and high level of safety. They can remove or transform pollutants (organic matter, nitrogen, phosphorus, etc.) in wastewater via absorption and the co-assimilation of plants, the transformation of microorganisms, and the adsorption of green adsorbents. At present, ecological treatment technologies are widely applied in micro-polluted water treatment. More studies on them are needed for the sustainable development and application of wastewater treatment technologies.

For this Special Issue, original research articles and reviews are welcome for submission. Research areas may include (but need not be limited to) the following:

(1) Wetland systems;

(2) Subsurface infiltration systems;

(3) Ecological buffer zone systems;

(4) Green-wall systems;

(4) Transformation processes of pollutants by microorganisms;

(5) Green adsorbents for water pollutants;

(6) Treatment and resource utilization of sludge and river sediment;

(7) Recycling of plant residues.

We look forward to receiving your contributions.

Dr. Chunzhen Fan
Dr. Jingke Song
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. 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

  • ecological wastewater treatment
  • resource utilization
  • plant restoration
  • microorganism transformation
  • adsorption

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Published Papers (1 paper)

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Research

22 pages, 7805 KiB  
Article
Effects of Underwater Lighting Time on the Growth of Vallisneria spinulosa Yan and Its Water Restoration Process
by Mengyi Wei, Jinshan Zhao, Xiaolin Zhou, Fengdan Li, Min Zhao, Xiangyong Zheng, Ye Tang, Chang Yang, Zhenmin Jin and Suqing Wu
Water 2024, 16(24), 3697; https://doi.org/10.3390/w16243697 - 21 Dec 2024
Viewed by 879
Abstract
Submerged macrophytes play a crucial role in the ecological restoration of water bodies, and their restoration capacity is closely related to the underwater lighting conditions. This study explored the effects of underwater lighting time on the growth characteristics of Vallisneria spinulosa Yan ( [...] Read more.
Submerged macrophytes play a crucial role in the ecological restoration of water bodies, and their restoration capacity is closely related to the underwater lighting conditions. This study explored the effects of underwater lighting time on the growth characteristics of Vallisneria spinulosa Yan (V. spinulosa) and its water restoration process. V. spinulosa achieved a higher Fv/Fm (0.64), ETRmax (10.43), chlorophyll content (0.85 mg/g), and removal efficiency of total phosphorus (0.37 × 10−3 g m−3 d−1) and a lower algal abundance with a longer lighting time (18 h every day). However, a higher removal efficiency of NH4+–N and TN was obtained with a shorter lighting time (6–12 h every day). The lighting time showed a significance influence on the microbial community of the V. spinulosa growth system, and the influence was significantly different in different regions. Temperature and electrical conductivity were the main environmental impact factors for the microbial community under different lighting times. The abundances of Proteobacteria, Bacteroidota, and Verrucomicrobia exhibited a great positive correlation with each other and a strong positive correlation with the two factors. In addition, the lighting time had a strongly significant correlation with the physical and chemical characteristics of the water environment (p < 0.001) and a significant correlation with the growth characteristics of V. spinulosa (p < 0.05). Full article
(This article belongs to the Special Issue Ecological Wastewater Treatment and Resource Utilization)
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