The sludge screw press at Stora Enso’s Anjala mill after the Andritz upgrade.
The sludge screw press at Stora Enso’s Anjala mill after the Andritz upgrade.

The turnkey upgrade of the sludge screw press, which has been out of operation for the past few years, included dismantling the baskets and shaft, rebuilding the baskets with new screen plates, overhauling the counter-pressure unit, supply of all parts needed for the overhaul, as well as erection of the unit.