%0 Journal Article %T Oxalic Acid Regeneration of Ceramic Filter Medium Used in the Dewatering of Iron Ore %A Riina Salmimies %A Juha Kallas %A Bjarne Ekberg %A Antti Hä %A kkinen %J ISRN Chemical Engineering %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/921873 %U http://dx.doi.org/10.5402/2012/921873