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Pulp Purification
Herbert Sixta
8.1
Introduction
The production of dissolving pulp involves the removal of short-chain carbohydrates,
Denoted as hemicelluloses, which negatively influence either the processing
Behavior of the pulp or the quality of the final product. (The technical definition
Of hemicelluloses comprises both alkali-soluble heteropolysaccharides and
Degraded cellulose soluble in the steeping lye.) Purification processes for dissolving
Pulps include both the removal of noncellulosic material (e.g., extractives, lignin,
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