简介:Theoceanpoly-metallicnodulewasleachedbyusingslurryelectrolysisprocessinHCl-NaClmedium.TheleachingratesofMn,Co,CuandNiintheoceanpoly-metallicnoduleareallabove97%.Meanwhile,thehighpurityofelectrolyticMnO2isalsoobtainedasananodeproduct.Theeffectsofelectrolysiselectricquantity,acidity,temperature,slurrydensity,grainsizeandironionsconcentrationwerestudied.Theresultsshowthattheoceanpoly-metallicnodulecanbetreatedeconomicallyintheslurryelectrolysisprocess.