D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 5/02 (2006.01) C12S 3/08 (2006.01) D21C 5/00 (2006.01)
Patent
CA 2276242
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).
Ji Kyoung Rak
Ow Say Kyoun
Ryu Jeong Yong
Shin Jong Ho
Korea Research Institute Of Chemical Technology
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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