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Polina Kuryntseva, Kamalya Karamova, Polina Galitskaya, Svetlana Selivanovskaya and Gennady Evtugyn
Biochar effects are strongly dependent on its properties. Biochar improves physical soil properties by decreasing bulk density and increasing medium and large aggregates, leading to faster and deeper water infiltration and root growth. Improvement of the...
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Abdelaziz M. Okasha, Nehad Deraz, Adel H. Elmetwalli, Salah Elsayed, Mayadah W. Falah, Aitazaz Ahsan Farooque and Zaher Mundher Yaseen
Water scarcity is a major constraint for food production, particularly in arid and semi-arid environments. In this regard, selecting the best irrigation technique is crucial to overcome water scarcity and enhance water productivity (WP) with no significa...
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Ivan Stojnic, Michael Pfister, Jorge Matos and Anton J. Schleiss
Energy dissipators, such as stilling basins, are usually required at the toe of stepped chutes to achieve adequate and safe operation of the spillway. Stepped chute hydraulics has been extensively studied in last several decades, however, only limited kn...
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Yong Qiu, Chi Zhang, Bing Li, Ji Li, Xiaoyuan Zhang, Yanchen Liu, Peng Liang and Xia Huang
Oxidation ditches are popularly used in rural areas and decentralized treatment facilities where energy deficiency is of concern. Aeration control technologies are well established for diffusion systems in order to improve energy efficiency, but there ar...
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Daniel B. Bung and Daniel Valero
As with most high-velocity free-surface flows, stepped spillway flows become self-aerated when the drop height exceeds a critical value. Due to the step-induced macro-roughness, the flow field becomes more turbulent than on a similar smooth-invert chute....
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Yuanchun Zou, Linlin Zhang, Luying Wang, Sijian Zhang and Xiaofei Yu
Utilizing natural wetlands to remove phosphorus (P) from agricultural drainage is a feasible approach of protecting receiving waterways from eutrophication. However, few studies have been carried out about how these wetlands, which act as buffer zones of...
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Sally D. Logsdon and Patricia Sauer
Construction in urban areas usually results in compacted soil, which restricts plant growth and infiltration. Nutrients may be lost in storm runoff water and sediment. The purpose of this study was to determine if existing lawns benefit from aeration and...
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Wan Izhan Nawawi, Raihan Zaharudin, Ahmad Zuliahani, Dyia Syaleyana Shukri, Tun Firdaus Azis and Zainab Razali
Immobilized TiO2 and immobilized TiO2-polyethylene glycol (TiO2/PEG) films have been prepared via brush coating method. The formulation of immobilized TiO2 film was prepared by mixing distilled water with P25, while the formulation containing P25 combine...
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Hang Wan, Ran Li, Carlo Gualtieri, Huixia Yang and Jingjie Feng
Aerated flows are characterized by complex hydrodynamics and mass-transfer processes. As a Lagrangian method, smoothed particle hydrodynamics (SPH) has a significant advantage in tracking the air-water interface in turbulent flows. This paper presents th...
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Keli He, Tao Lv, Shubiao Wu, Luchen Guo, Zeeshan Ajmal, Hongzhen Luo and Renjie Dong
Ammonium stripping has gained increasing interest for nitrogen recovery in anaerobically digested effluents. However, the stripped effluents often still do not meet discharge standards, having high pH and residual pollutants. Constructed wetlands (CWs) a...
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