PULPING PROCESS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
N/A
app pub date -
May 2, 2012
filing date -
Dec 15, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to a process for forming a pulp mixture, the process comprising the steps of: a) providing a wood material and a first liquor, b) treating the wood material in the first liquor in order to release wood fibers, c1) introducing an agricultural crop/residue before or during the treatment of the wood material, and during the treatment deriving a first fraction comprising hemicellulose from the agricultural crop/residue, and/or c2) introducing a suspension of a first fraction comprising hemicellulose and a residue liquor derived from agricultural crop/residue by a liquor treatment, the introduction being done before, during or after the treatment of the wood material. The invention further relates to a pulp mixture comprising 1-30% originating from agricultural crop/residue and 70-99% originating from wood material. The pulp mixture comprises non-wood hemicellulose and at least part of the non-wood hemicellulose is sorbed on the wood fibers.
First Claim
Other Claims data not available