Konkola Copper Mines was placed under provisional liquidation after the previous Zambian government accused parent company Vedanta of lying about expansion plans and paying too little tax.
Mining international waters is in the spotlight as companies are looking at minerals concentrated on the ocean floor that can be used in batteries for smart phones and electric vehicles.
Redwood currently recycles lithium, cobalt, copper and aluminum from several sources, including the Nevada battery plant jointly owned and operated by Panasonic and Tesla.