Havent seen any pyrolusite flotation done however no doubt possible based on other oxide flotation systems Just need to identify the surface charge IEP ZPC of the manganese mineral as a function of pH look up the surface charge of the gangue minerals at the various pHs and then select your collectors anionic vs cationic.
Jaw crusher is the vital equipment in crushing industry.Detail
Roll crusher (roller crusher) is suitable for the fine crushing of the materials with feeding size less than 110mm, and finished particle size 3-30mm.Detail
Sand maker is also known as impact crusher or sand making machine.Detail
Ball mill is the vital equipment for recrushing after being crushed.Detail
Circular vibrating screen is mainly used to screen the dry materials used for metallurgy, coal, ore, etc.Detail
Raymond mill is also known as Raymond, Raymond machine.Detail