Haiyang Kaifa yu guanli, 2023 This study aimed at determining the physical characteristics of deep-sea polymetallic nodules and analyzing their influence on the mining and transportation process, so as to guide engineering applications.
Huakun WANG +4 more
doaj
Process Mineralogy of Mud Fraction in Deep Sea Rare Earth
Kuangchan zonghe liyong, 2023 This is an essay in the field of process mineralogy. Deep sea rare earths are the fourth deep-sea mineral resource after polymetallic nodules, cobalt rich crusts and polymetallic sulphides.
Xiaoyu Li +5 more
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The contribution of microbial communities in polymetallic nodules to the diversity of the deep-sea microbiome of the Peru Basin (4130–4198 m depth) [PDF]
Biogeosciences, 2020 Industrial-scale mining of deep-sea polymetallic nodules will remove nodules in large areas of the sea floor. The regrowth of the nodules by metal precipitation is estimated to take millions of years. Thus, for future mining impact studies, it is crucial
M. Molari +8 more
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Potential Short-Term Effects of Mine Tailings on Phytoplankton Assemblages in the Open Ocean
Journal of Marine Science and Engineering, 2022 The disposal of mine tailings into the marine environment is considered an essential option to secure the economic efficiency of deep-sea mining, but it might adversely affects the ecosystem.
Dong Han Choi +8 more
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Geomorphology of the Clarion Clipperton Zone, tropical North Pacific Ocean
Journal of Maps, 2021 The Clarion Clipperton Zone (CCZ) hosts a valuable deposit of polymetallic nodules. Understanding the geology of this deposit is key to its effective exploration and future mining.
John Parianos, Pedro Madureira
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Dynamic Traction of Deep-Sea Polymetallic Nodule Collector
Journal of Marine Science and Engineering, 2023 The ocean is extremely rich in mineral resources. To cope with the shortage of land mineral resources, countries are focusing on the development of deep-sea mineral mining technology. Owing to its superior traction performance, the deep-sea polymetallic nodule collector (DPNC) has become the preferred solution for ocean mining.
Yuheng Song +4 more
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Cobalt and Manganese Extraction from Ocean Nodules by Co-Processing with Steel Metallurgical Slag
Metals, 2023 Polymetallic nodules, also called manganese nodules (due to their high content of this element), contain various valuable metals such as Cu, Ni and Co. These seabed minerals are a good alternative source of Co and Mn due to the decrease in the grade of ...
Kevin Pérez +7 more
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Slurry electrolysis of ocean polymetallic nodule
Transactions of Nonferrous Metals Society of China, 2010 Abstract The ocean poly-metallic nodule was leached by using slurry electrolysis process in HCl-NaCl medium. The leaching rates of Mn, Co, Cu and Ni in the ocean poly-metallic nodule are all above 97%. Meanwhile, the high purity of electrolytic MnO 2 is also obtained as an anode product.
Cheng-yan WANG +4 more
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Assessing plume impacts caused by polymetallic nodule mining vehicles [PDF]
Marine Policy, 2022 11 pages, 4 figures, 1 ...
Weaver, P.P.E. +13 more
openaire +7 more sources
Impact of small-scale disturbances on geochemical conditions, biogeochemical processes and element fluxes in surface sediments of the eastern Clarion–Clipperton Zone, Pacific Ocean [PDF]
Biogeosciences, 2020 The thriving interest in harvesting deep-sea mineral resources, such as polymetallic nodules, calls for environmental impact studies and, ultimately, for regulations for environmental protection.
J. B. Volz +5 more
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