Semi-centrifugal rotary drum thickener imatha kusefa madzi aulere pogwiritsa ntchito mphamvu yakunja.Ili ndi zofunikira zazikulu za polima komanso mphamvu yomanga ya matope.Poyerekeza ndi makina okulitsa lamba, makina athu ozungulira a ng'oma amatha kupereka matope okhuthala okhala ndi madzi ochepa.Dothi lokhala ndi madzi opitilira 1.5% ndi chisankho chabwinoko.
