First you must oxidize the ...
Published by Jose Martinez, Director Técnico y Administrador en A-was Depuración y Tratamiento de Aguas, S.L.
First you must oxidize the Mn, and Fe if present (very common) and after this you must choose trhe separation method. It depends of the relationship of Fe:Mn, the amount of Fe+Mn and other factors.
The options are Coagulation+lamelar settling, filtration, adsortion, ...
EPA has published a white paper about this.