Title:
METHOD FOR TREATING WASTE PAPER AND APPARATUS THEREFOR
Document Type and Number:
Japanese Patent JP2003013381
Kind Code:
A
Abstract:
To obtain apparently beautiful high-quality regenerated pulp by removing a foreign material irrespective of the size.
This method for pulping waste paper comprises obtaining regenerated pulp by using waste paper containing a material which becomes cause producing the foreign material. In the pulping method, a step for bringing pulp slurry obtained by disintegrating waste paper into contact with a flat plate type laminate 14 which is a adherend in which a tacky agent is used, catching the foreign material in the waste paper pulp in the adherend and removing the foreign material is provided and a tacky foreign matter can be removed without loss of fiber. Further, a foreign material having a specific size can effectively be removed.
Inventors:
MITSUI KENICHI
HAGIWARA KOICHI
IMAI TETSUO
HAGIWARA KOICHI
IMAI TETSUO
Application Number:
JP2001192142A
Publication Date:
January 15, 2003
Filing Date:
June 26, 2001
Export Citation:
Assignee:
OJI PAPER CO
International Classes:
D21D5/00; (IPC1-7): D21D5/00