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achieving high production levels. This reflects differences in corporate culture and management approaches (Milota & Smith, 1994). 2.9. KILN DRYING SITUATION IN CANADA In Canada, very little work on the status of kiln operators has been done. A recent study identified the following drying issues as being important for the Canadian wood products industry and particularly for Western regions (Oliveira et al., 2001): • Development of faster kiln schedules to maximize production. • Decreasing variability of moisture content inside the kiln which results in wide spread of final moisture content between boards. • Decreasing variability of moisture content within boards. • Increasing capacity of kilns. • Decreasing drying degrade. • Drying thick boards (4 inches or more) in an economic way. • Increasing flexibility of kiln capacity by being able to dry small amounts of specialty products. • Achieving uniformity in drying and reducing drying stresses for specialty products. It can be seen from the abovementioned list that although product quality issues cause some concern, there is a focus on maximizing production volume, which is usually present in primary products operations. However, the importance of secondary value added products is growing in North America (Hector, 2000). In Canada, a shift towards higher quality products is currently underway. Both international and domestic customers of Canadian wood products are becoming more demanding in their requirements. Of greatest importance are problems related to moisture content, such as the variation of moisture content between or within boards, since these can affect dimensional stability (Oliveira & Mackay, 1996). 27PDF Image | KILN DRYING PROBLEMS AND ISSUES IN CANADA
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