短　報（Note）

製材工場における木質残廃材の発生と利用

伊神裕司・村田光司

Generation and Utilization of Wood Residue at Sawmills

IKAMI Yuji and MURATA Kohji

Abstract
In this paper we discussed the amount of wood residue generated at sawmills and its utilization, in order to obtain the fundamental data to utilize the wood residue effectively. Based on the results of questionnaire to the sawmills in Japan, the total amount of wood residue at sawmills was estimated to be 17.5 million m³ per year. Major residues at a sawmill were bark, slab, and sawdust. Most of the slabs and sawdust were utilized mainly as materials for pulping and as livestock bedding respectively. Although the bark was mainly utilized as compost, its 13.8% was burned or thrown away.

Key words : sawmill, wood residue, utilization

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