CONTROLLING THE PRETREATMENT OF A SOFTWOOD STARTING MATERIAL

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United States of America Patent

SERIAL NO

15547833

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Abstract

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The present invention relates to a method for pretreating a softwood starting material comprising the following steps: a) pretreating the softwood starting material in a pretreatment process to form a slurry; b) measuring the concentration of glucose and the concentration of mannose in the slurry formed in step a); c) calculating a ratio glucose:mannose from the concentrations measured in step b) d) comparing the ratio calculated in step c) to a reference value and if the ratio calculated in step c) differs from the reference value, controlling at least one process parameter of the pretreatment process in response to the difference.

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Patent Owner(s)

Patent OwnerAddress
SEKAB E-TECHNOLOGY AB891 26 ÖRNSKÖLDSVIK

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HÄGGLUND, Karin Domsjö, SE 3 3

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