Recyling manganeserich electrolytic residues: a review
The manganese ore grade is 14% in China, ... 40 g·L −1) from the reflux plant is introduced into the leaching tank. Then, a certain amount of sulfuric acid solution is added and mixed with the prepared manganese ore powder. ... The mixed Na 2 CO 3 with Mnrich residue increased the active silica content from to % after ball milling ...