Every recycled fibre line needs a sludge
handling and reject system in order to operate economically. The goal is to
minimize losses of process materials, recover and conserve resources (fiber,
water, and energy), and minimize waste disposal.
Harden is experienced in providing one-stop paper mills waste shredding and
washing solutions for both the pulp and reject lines within paper mills,
includes iron removal, cleaning, sorting, drying, baling or granulation.
Typical paper mill waste sources
Ø Loose pulper rejects – containing mainly pulper ropes, plastics,
metals, stones, wood particles, etc.
Ø Precipitation or scum generated by wastewater treatment during paper
Ø Sand containing cleaner rejects
Ø Municipal solid waste from mill and living areas