Open Collections

Recovery of steam-distilled extractives from Douglas fir veneer drying.

University of British Columbia

A pilot study was conducted on the exhaust vapour which is expelled through the roof-ventilator stacks of a Moore cross circulation veneer dryer, in order to determine whether or not any by-products of commercial importance could be recovered from Douglas fir veneer while it is undergoing normal drying operations prior to the manufacture of plywood. Separate studies were made on the heartwood and sapwood veneer of this species. Some steam-distilled volatile oil was recovered from the stack gases, but because of the small amount which was collected, this material was considered to be of no commercial value. Recommendations have been made for future work in this field.

Text

2011-12-13

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http://hdl.handle.net/2429/39643

Forestry

University of British Columbia

Graduate