Fractionation of chemical pulps for the development of 'Next-Generation' pulp and paper products

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Enhanced, multi-stage, fibre fractionation is an enabling, transformative technology in the development of 'next generation' pulp and paper products. This proposed research program will include an extensive experimental investigation to determine how pulp pressure screen and hydrocyclone design and operation affect the change in fibre property distributions (fibre length, wall thickness and diameter). From the extensive experimental study, a detailed model of the separation process will be developed and implemented into process simulation technology. The model will be based on the fundamental understanding of fibre motion within these unit operations. The resulting simulation will be used to design future multi-stage fractionation systems that will be used throughout the Canadian industry.