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The aeration and dredging stimulate the reduction of pollution and carbon emissions in a sediment microcosm study [PDF]
Scientific ReportsSediment dredging and aeration are used as important technical measures to remediate internal loading of sediment in polluted rivers. However, previous studies have overlooked the impact of dredging and aeration on Greenhouse gases (GHGs) emission.
Lixiang Liu +8 more
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Coral sand from hydraulic reclamation for the remediation of acid sulfate soil [PDF]
E3S Web of Conferences, 2021 For the first time, Coral sand, as the main geotechnical material in reclamation, has the characteristics of loose and porous structure, relatively small volume and mass, easy to break and high compression, and high calcium carbonate, which may be a ...
Zeng Jiachen +7 more
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Does dredging activity exert an influence on benthic macrofauna in tropical estuaries? Case study on the northern coast of Brazil [PDF]
Iheringia: Série Zoologia, 2023 The aim of the present study was to investigate the effect of dredging activities on the structure of the macrobenthic community of a port complex in São Luís do Maranhão (2°S, Brazil).
Lorena K. S. Sousa +3 more
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Numerical Analysis on the Unsteady Radial Load on the Shaft of a Large-Scale Dredge Pump Unit [PDF]
Journal of Applied Fluid Mechanics, 2023 Vibration and fatigue damage of pump shafts has become a prominent engineering problem, indicating the need for higher-quality reliability analysis of the pump unit in the design stage. In this study, the unsteady flow field in a large centrifugal dredge
L. Cao, T. Wu, T. Guo, J. Hu, J. Cao
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地质科技通报, 2023 Objective The great demand for urban landscape improvement and reconstruction has required increasing dredging practices for waterfront buildings, particularly antique buildings. To effectively protect such antique buildings, the influence of dredging on
Yipeng Li +3 more
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Journal of Hydrology and Hydromechanics, 2021 In dredging applications, deep sea mining and land reclamation projects typically large amounts of sediments are transported through pipes in the form of hyper concentrated (40% sediment or more) sediment-water mixtures or slurries.
Schouten Thijs +2 more
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Case Studies in Chemical and Environmental Engineering, 2023 This review summarizes current knowledge on sediment dredging to control eutrophication. Emphasis has been given to the effectiveness and environmental impacts of dredging, the release of nutrients from sediment, and the response of cyanobacterial bloom ...
Mumtahina Riza +5 more
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Construction of Cutting Resistance Model for Excavating Hard Clay with Drag Suction Dredger [PDF]
E3S Web of ConferencesChannel dredging is the key to the efficient operation of the water transportation system, and the drag suction dredger is an important type of engineering vessel in the field of hydraulic engineering dredging.
Li Zhangchao +3 more
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Near-Field Analysis of Turbidity Flows Generated by Polymetallic Nodule Mining Tools
Mining, 2021 The interest in polymetallic nodule mining has considerably increased in the last few decades. This has been largely driven by population growth and the need to move towards a green future, which requires strategic raw materials. Deep-Sea Mining (DSM) is
Mohamed Elerian +3 more
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Numerical simulation of pollutant diffusion and prevention and control technology during reservoir dredging process [PDF]
E3S Web of ConferencesReservoir dredging is of great significance for maintaining the long-term function of reservoirs. Currently, some reservoirs in China have serious siltation problems, and dredging projects have been launched. Reservoir dredging is often carried out using
Li Zhangchao +3 more
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