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Water, Volume 17, Issue 15

2025 August-1 - 190 articles

Cover Story: Selenium (Se) oxyanions, primarily selenite (Se(IV)) and selenate (Se(VI)), can occur in drinking water at harmful levels exceeding 50 µg/L, surpassing WHO (40 µg/L), Germany (10 µg/L), and industrial limits (5–10 µg/L) and pose serious health risks when daily intake exceeds 400 µg. Their presence arises from natural and anthropogenic sources, with speciation influenced by water origin. Se(VI), being more soluble, is dominant in surface waters. Conventional treatments are often ineffective. Emerging treatment methods including membranes, nanomaterials, photocatalysis–adsorption, and bio-electrochemical systems enable efficient Se removal via reduction to insoluble elemental Se0, facilitating recovery and reuse, and advancing circular economy goals. This review offers a novel perspective by integrating Se0 recovery with sustainable, resource-oriented water treatment strategies. View this paper
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Articles (190)

  • Article
  • Open Access
970 Views
14 Pages

7 August 2025

Monitoring water quality parameters in coastal and estuarine environments is critical for assessing their ecological status and addressing environmental challenges. However, traditional in situ sampling programs are often constrained by limited spati...

  • Article
  • Open Access
1 Citations
851 Views
27 Pages

Study on the Spatio-Temporal Differentiation and Driving Mechanism of Ecological Security in Dongping Lake Basin, Shandong Province, China

  • Yibing Wang,
  • Ge Gao,
  • Mingming Li,
  • Kuanzhen Mao,
  • Shitao Geng,
  • Hongliang Song,
  • Tong Zhang,
  • Xinfeng Wang and
  • Hongyan An

7 August 2025

Ecological security evaluation serves as the cornerstone for ecological management decision-making and spatial optimization. This study focuses on the Dongping Lake Basin. Based on the Pressure–State–Response (PSR) model framework, it int...

  • Article
  • Open Access
1,482 Views
13 Pages

Evaluation and Verification of Starch Decomposition by Microbial Hydrolytic Enzymes

  • Makoto Takaya,
  • Manzo Uchigasaki,
  • Koji Itonaga and
  • Koichi Ara

7 August 2025

This study investigates the Enzyme Biofilm Method (EBM), a biological wastewater treatment technology previously developed by the authors. EBM employs microbial-derived hydrolytic enzyme groups in the initial treatment stage to break down high-molecu...

  • Article
  • Open Access
2,488 Views
15 Pages

Effective Endotoxin Reduction in Hospital Reverse Osmosis Water Using eBooster™ Electrochemical Technology

  • José Eudes Lima Santos,
  • Letícia Gracyelle Alexandre Costa,
  • Carlos Alberto Martínez-Huitle and
  • Sergio Ferro

7 August 2025

Endotoxins, lipopolysaccharides released from the outer membrane of Gram-negative bacteria, pose a significant risk in healthcare environments, particularly in Central Sterile Supply Departments (CSSDs), where the delivery of sterile pyrogen-free med...

  • Article
  • Open Access
1,808 Views
21 Pages

Assessing Hydropower Impacts on Flood and Drought Hazards in the Lancang–Mekong River Using CNN-LSTM Machine Learning

  • Muzi Zhang,
  • Boying Chi,
  • Hongbin Gu,
  • Jian Zhou,
  • Honggang Chen,
  • Weiwei Wang,
  • Yicheng Wang,
  • Juanjuan Chen,
  • Xueqian Yang and
  • Xuan Zhang

7 August 2025

The efficient and rational development of hydropower in the Lancang–Mekong River Basin can promote green energy transition, reduce carbon emissions, prevent and mitigate flood and drought disasters, and ensure the sustainable development of the...

  • Review
  • Open Access
8 Citations
3,170 Views
44 Pages

Performance of Continuous Electrocoagulation Processes (CEPs) as an Efficient Approach for the Treatment of Industrial Organic Pollutants: A Comprehensive Review

  • Zakaria Al-Qodah,
  • Maha Mohammad AL-Rajabi,
  • Hiba H. Al Amayreh,
  • Eman Assirey,
  • Khalid Bani-Melhem and
  • Mohammad Al-Shannag

7 August 2025

Electrocoagulation (EC) processes have emerged as an efficient solution for different inorganic and organic effluents. The main characteristics of this versatile process are its ease of operation and low sludge production. The literature indicates th...

  • Article
  • Open Access
3 Citations
1,474 Views
22 Pages

7 August 2025

In the southeast of China, seasonal rainfall intensity is high, the distribution of mountains and hills is extensive, and many small-scale, shallow landslides frequently occur after consecutive seasons of heavy rainfall. High-precision automated iden...

  • Article
  • Open Access
687 Views
16 Pages

Optimizing Cascade Hydropower Operations for Flood Control Using Unmanned Vessel Bathymetry

  • Haijing Gao,
  • Jingyuan Cui,
  • Qingpeng Wu,
  • Yan Li,
  • Wei Shuai,
  • Dajiang He,
  • Jianyong Hu and
  • Jinke Mao

7 August 2025

To enhance regional flood control capacity, this study focused on the DX River section in Zhejiang Province. Unmanned vessel bathymetry was employed to obtain precise river cross-section data. A hydrodynamic model was established to simulate flood pr...

  • Article
  • Open Access
2 Citations
2,062 Views
12 Pages

Effects of Freshwater Restoration on Phytoplankton and Zooplankton Communities in the Yellow River Delta

  • Jia Jia,
  • Meng Xia,
  • Yang Zhang,
  • Shimin Tian,
  • Yawei Hu,
  • Zhanshuo Zhang,
  • Xuejie Zhai,
  • Bo Qu and
  • Lingang Hao

7 August 2025

Managed freshwater replenishment is a significant restoration method in the Yellow River Delta. However, their impacts on plankton communities, which are key bioindicators of aquatic ecosystem health and sensitive to the changes in the environment, r...

  • Article
  • Open Access
833 Views
15 Pages

Rainy Season Onset in Northeast China: Characteristic Changes and Physical Mechanisms Before and After the 2000 Climate Regime Shift

  • Hanchen Zhang,
  • Weifang Wang,
  • Shuwen Li,
  • Qing Cao,
  • Quanxi Shao,
  • Jinxia Yu,
  • Tao Zheng and
  • Shuci Liu

7 August 2025

The rainy season characteristics are directly modulated by atmospheric circulation and moisture transport dynamics. Focusing on the characteristics of the rainy season onset date (RSOD), this study aims to advance the understanding and prediction of...

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Water - ISSN 2073-4441