The Development History and Latest Progress of Deep-Sea Polymetallic Nodule Mining Technology

Author:

Kang Yajuan,Liu Shaojun

Abstract

Deep-sea polymetallic nodules are a mineral resource with potential for commercial development. Due to the unique deep-sea environment in which they are found, specialized technology and equipment are required for their extraction. In this paper, firstly, the development of deep-sea polymetallic nodule mining technology is classified into three stages, and its characteristics are summarized. Moreover, the results from research into deep-sea polymetallic nodule mining technology are analyzed, including proposals for mining systems, research into key technologies, basic scientific problems, and proof of technical feasibility from sea tests. Secondly, the testing of the collector prototype and the environmental impact assessment study of Global Sea Mineral Resources NV, as well as the progress of the deep-sea polymetallic nodule mining test project in China, are introduced. On this basis, the opportunities and challenges brought by the fast-growing demand for electric vehicles to the development of deep-sea polymetallic mining technology is analyzed, and a possible technical scheme for a mining system and the trends in its development towards high reliability and high standards of environmental protection according to the requirements of commercial exploitation are explored. This provides a reference for the research and development of high-efficiency technology and equipment for the mining of deep-sea polymetallic nodules.

Funder

National Key Research and Development Program of China

the Open Fund of the State Key Laboratory of Deep-sea Mineral Resources Development and Utilization Technology

Publisher

MDPI AG

Subject

Geology,Geotechnical Engineering and Engineering Geology

Reference83 articles.

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2. Polymetallic Nodules. Brochureshttps://isa.org.jm/files/files/documents/eng7.pdf

3. Deep-Sea Mining Equipment in China: Current status and prospect;Yang;Strateg. Study CAE,2020

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