Research and Development of Polymetallic Nodule Smelting Technology
First written in FY2024. 8 of 9 entries say "Advanced", first in FY2025-H1. Latest entry: 2026-09-17.
No other company in this theme has enough history to compare yet.
- FY2026AdvancedAnnual report
「We had been conducting smelting tests on polymetallic nodules located in the Clarion-Clipperton Zone in the Pacific, and became the first in the world to successfully conduct a commercial-scale continuous smelting test using full-scale equipment, specifically a rotary kiln and electric arc furnace, before carrying out a feasibility assessment.」
For polymetallic nodules, the company conducted a feasibility assessment after successfully completing a commercial-scale continuous smelting test using full-scale equipment. - FY2026-H1AdvancedAnnual report
「For the business of producing battery-grade metal materials and steelmaking raw materials from seabed resources, we are reviewing contract smelting costs and the investment schedule based on the results of the feasibility study. We are also exchanging views with relevant parties in Japan and overseas in order to expand the business broadly.」
For the seabed resources business, including polymetallic nodules, the company has progressed beyond the full-scale equipment testing stage to reviewing contract smelting costs and the investment schedule based on the feasibility study results and consulting with relevant parties. - FY2025AdvancedAnnual report
「We became the first in the world to successfully conduct a commercial-scale continuous smelting test using full-scale equipment, specifically a rotary kiln and electric arc furnace, and produced 35 t of high-quality nickel, copper, and cobalt alloy and 320 t of manganese silicate.」
For polymetallic nodules, the company became the first in the world to successfully conduct a commercial-scale continuous smelting test using full-scale equipment and produced 35 tonnes of alloy and 320 tonnes of manganese silicate. - FY2025-H1AdvancedAnnual report
「We are conducting a feasibility study, jointly with an overseas company, for a business producing battery-grade metal materials and steelmaking raw materials from seabed resources,」
The business of producing battery-grade metal materials and steelmaking raw materials from seabed resources has progressed from the research and development stage using existing facilities to a joint feasibility study with an overseas company. - FY2024First statedAnnual report
「We entered into a non-binding memorandum of understanding with The Metals Company, which holds exploration and commercial rights to polymetallic nodules located in the Clarion-Clipperton Zone in the Pacific, and began research and development of polymetallic nodule smelting technology using our existing facilities.」
The company entered into a non-binding memorandum of understanding with a company holding exploration and commercial rights to polymetallic nodules and began research and development of smelting technology using its existing facilities.