Results 81 to 90 of about 2,744 (183)

In-situ environmental monitoring for deep-sea polymetallic nodule mining: Status, challenges, and future directions

International Journal of Mining Science and Technology
The prospective mining of deep-sea polymetallic nodules, a source of strategic critical metals, could cause irreversible damage to fragile deep-sea ecosystems, sparking global scientific, political, and ethical controversies. Consequently, establishing a
Xiang Chen, Zhihan Fan, Yonggang Jia, Zhicheng Zhang, Xiao Wang, Xu Guo, Xiaojun Zhuo, Hao Zheng, Yuwei Liu   +8 more
doaj   +1 more source

Acoustic characterization of deep-sea manganese nodule coverage using multi-classifier decision fusion

Journal of Ocean Engineering and Science
Rich in multiple strategic rare metals, deep-sea manganese nodules constitute an essential mineral resource for balancing terrestrial resource supply and demand and facilitating the global energy transition.
Wenjun Li, Xiaodong Cui, Xiaohu Li, Miao Fan, Zhenggang Li, Kehong Yang, Kai Zhang, Fanlin Yang   +7 more
doaj   +1 more source

World ocean as the last reserve of mankind

Горные науки и технологии, 2017
Analysis of mineral resources base located in offshore zone and ocean space is an important aspect of development of industrial and economic potential.
A. S. Kashirsky, Y. V. Kirichenko
doaj   +1 more source

Connectivity in the Clarion-Clipperton Zone: a review

Frontiers in Marine Science
Despite its remoteness, the deep sea is not spared from the impact of human activities. The emergence of industrial-scale deep-sea mining of polymetallic nodules on the abyssal plains (4-5 km depth) of the Clarion-Clipperton fracture zone in the ...
Lara Macheriotou, Sven Rossel, Massimiliano Molari, Pedro Martinez Arbizu, Saskia Brix, Saskia Brix, Magdalini Christodoulou, Pierre-Antoine Dessandier, Ana Hilário, Felix Janssen, Erik Simon-Lledó, Lenaick Menot, Ellen Pape, Gustavo A. Ramírez, Ann Vanreusel   +14 more
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A near-zero waste process for the full-component utilization of deep-sea polymetallic nodules based on reductive leaching with SO2 followed by separation and recovery

Hydrometallurgy, 2023
Jia Li, Xinsheng Wu, Xiaozhou Zhou, Li Zeng, Shengxi Wu, Mingyu Wang, Wenjuan Guan, Zuo-ying Cao, Qing-gang Li, Guiqing Zhang   +9 more
semanticscholar   +1 more source

Evaluation of Deep Learning Models for Polymetallic Nodule Detection and Segmentation in Seafloor Imagery

Journal of Marine Science and Engineering
Climate change has led to the need to transition to clean technologies, which depend on an number of critical metals. These metals, such as nickel, lithium, and manganese, are essential for developing batteries.
Gabriel Loureiro, André Dias, José Almeida, Alfredo Martins, Eduardo Silva   +4 more
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Experimental Study on the Shear Characteristics of Deep-Sea Sediments Based on a Mining Machine Walking Test Platform

Advances in Civil Engineering
The exploitation and utilization of deep-sea mineral resources is an important measure to ensure the safety of resources. The shear characteristics of deep-sea sediments are fundamental parameters for the design of a machine for mining polymetallic ...
Xiaoyan Li, Lang Lei, Shengwei Zhao, Jenisha Singh, Zhou Li   +4 more
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Prospective life cycle assessment of metal commodities obtained from deep-sea polymetallic nodules

Journal of Cleaner Production, 2021
R. Alvarenga, N. Préat, C. Duhayon, J. Dewulf   +3 more
semanticscholar   +1 more source

Design and Control of a Bionic Underwater Collector Based on the Mouth Mechanism of Stomiidae

Journal of Marine Science and Engineering
Deep-sea mining has gradually emerged as a core domain in global resource exploitation. Underwater autonomous robots, characterized by low cost, high flexibility, and lightweight properties, demonstrate significant advantages in deep-sea mineral ...
Zexing Mo, Ping Ren, Lei Zhang, Jisheng Zhou, Yaru Li, Bowei Cui, Luze Wang   +6 more
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Diversity and connectivity of bacterial communities in polymetallic nodule-rich abyssal plains (Eastern Tropical Pacific)

Frontiers in Marine Science
Polymetallic nodules of the abyssal seafloor are considered potential resources of nickel, cobalt, copper, as well as rare earth elements. The Clarion-Clipperton Fracture Zone (CCZ) hosts potential nodule mining sites licensed to several contractors for ...
Batuhan Cagri Yapan, Batuhan Cagri Yapan, Felix Janssen, Felix Janssen, Antje Boetius, Antje Boetius, Antje Boetius, Matthias Haeckel, Massimiliano Molari, Massimiliano Molari   +9 more
doaj   +1 more source