Utilization of Budworm Killed Spruce and Fir in Full Scale Sulfite Processing
Problem Addressed: Production of fully bleached market sulfite pulp and spruce budworm's effect on it.
Goal(s)/Objective(s): Outline some of the wood utilization techniques now in place and discuss the effect of budworm killed wood on product quality.
Key Findings: The increasing consumption of budworm killed wood at Nova Scotia Forest Industries shows no deleterious effect on pulp strength properties for bleached sulfite market pulp.
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- Keef, Ralph C.
Nova Scotia Forest Industries
The impact of budworm killed softwoods on a bleached sulfite pulping operation is reviewed. Wood consumption increased 11% but pulp strength quality has not deteriorated. The primary mill difficulty in utilizing budworm wood is keeping it separate from fresh wood used in the newsprint groundwood mill.
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