%0 Journal Article %T Development of Rotary Magnetoferrite Treatment with Stirrers for Waste Water Treatment Plants to Reduce Excess Sludge %A Mahmudul Kabir %A Masafumi Suzuki %A Noboru Yoshimura %J ISRN Materials Science %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/598798 %U http://dx.doi.org/10.5402/2012/598798