An apparatus for recovery of non-ferrous metal from hot dross having a frame with a dross compression head; a sow mold for collecting metal compressed from the dross; a skim pan mounted on said sow mold; at least one through opening with a connection means for supplying a vacuum, said opening being situated in the bottom part of the skim pan and/or in the sow mold; and a seal, situated in the gap between the skim pan and the sow mold; furthermore, one or several through drainage openings are provided in the bottom part of the skim pan.