Verfahren zur Recyclierung von alten Behältern aus Wellpappe durch Flotation und enzymatische Hydrolyse

摘要

The present invention relates to a method for recycling of old corrugated container (OCC) using flotation, followed byselective enzymatic treatment to fines portion and byselective refining to long fiber stream, and more particularly, to a method for recycling of OCC, wherein OCC is treated with floatation and enzymatic hydrolysis and those recycled stock is refined, thereby having the following effects: (a) The drainage property of base paper of old corrugated container is improved; and (b) The strength of the same is enhanced by the refining treatment of the fractionated long fiber only; and (c) The cost for disintegration and enzymatic treatment is reduced; and (d) The imported corrugated board and unbleached kraft pulp can be substituted by the Korean old corrugated container (KOCC).