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A METHOD FOR MANUFACTURING LOW BARK CONTENT WOOD CHIPS FROM WHOLE-TREE CHIPS
A METHOD FOR MANUFACTURING LOW BARK CONTENT WOOD CHIPS FROM WHOLE-TREE CHIPS
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机译:从全树薯制造低树皮薯片的方法
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摘要
The object of the invention is a method for manufacturing low bark content wood chips from whole-tree chips, in which method there are two or more sequential separation stages, which can be divided into pre-separation with a bark content of less than 10 % and final cleaning, and in which the pre-separation consists of at least pneumatic separation and the final cleaning includes sorting based on colour difference. According to the invention, before pneumatic separation the bark is removed from the chips by grinding, which simultaneously reduces the particle size of the bark.
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