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deep seabed mining:Frontiers in engineering geology and environment

International Journal of Coal Science & Technology 2023年第2期10卷 1-31页

作者： Xingsen Guo Ning Fan Yihan Liu Xiaolei Liu Zekun Wang Xiaotian Xie Yonggang Jia Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering Ocean University of ChinaQingdao 266100China Department of Civil Environmentaland Geomatic EngineeringUniversity College LondonLondon WC1E 6BTUK College of Civil Engineering and Architecture Wenzhou UniversityWenzhou 325035China Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation of Zhejiang Province Wenzhou UniversityWenzhou 325035China Laboratory for Marine Geology Qingdao National Laboratory for Marine Science and TechnologyQingdao 266061China

Ocean mining activities have been ongoing for nearly 70 years,making great contributions to *** the increasing demand for energy,along with the restructuring of the energy supply catalyzed by efforts to achieve a low-carbon economy,deep seabed mining will play an important role in addressing energy-and resource-related problems in the ***,deep seabed mining remains in the exploratory stage,with many challenges presented by the high-pressure,low-temperature,and complex geologic and hydrodynamic environments in deep-sea mining areas,which are inaccessible to human ***,considerable efforts are required to ensure sustainable,economic,reliable,and safe deep seabed *** study reviews the latest advances in marine engineering geology and the environment related to deep-sea min-ing activities,presents a bibliometric analysis of the development of ocean mineral resources since the 1950s,summarizes the development,theory,and issues related to techniques for the three stages of ocean mining(i.e.,exploration,extraction,and closure),and discusses the engineering geology environment,geological disasters,in-situ monitoring techniques,envi-ronmental protection requirements,and environmental effects in ***,this paper gives some key conclusions and future perspectives to provide insights for subsequent studies and commercial mining operations.

关键词： deep seabed mining Marine engineering geology Geological disasters Environment Techniques

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Simulative analysis for deep seabed mining lifting systems

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Journal of University of Science and Technology Beijing 2002年第3期9卷 161-165页

作者： JilingMao YanhuaShen 等 CivilandEnvironmentalEngineeringSchool universityofScienceandTechnologyBeijingBeijing100083China CivilandEnvironmentalEngineeringSchool universityofScienceandTechnologyBeijingBe

Computer simulation was used for hydraulic lifting systems. Based on theoryof multiphase flows and their applications on the lifting systems, mathematical models for pumplifting and air lifting were built and simulative analysis programs for them were developedrespectively. Corresponding lifting behaviors and system parameters were analyzed and optimum matchof the parameters for future pilot mining tests and commercial mining production was predicted.

关键词： simulative analysis deep seabed mining polymetallic nodule liftingsystem multiphase flow

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