{HEAD ~ A small proportion} of the ash, namely the ash component with a small particle size, is fed, via a solids conveying conduit 9, to the mixer and comminuter 2 so that there, too, {TAIL ~ a partial preheating} of the filter cakes to be treated is effected already 
{ HEAD ~ A small proportion } of the ash , namely the ash component with a small particle size , is fed , via a solids conveying conduit 9 , to the mixer and comminuter 2 so that there , too , { TAIL ~ a partial preheating } of the filter cakes to be treated is effected already
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