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Title:
STEAMING PROCESS
Document Type and Number:
WIPO Patent Application WO2002014599
Kind Code:
A9
Abstract:
The invention relates to a method of steaming lignocellulosic material to be pulped. The material is treated in a superheated steam atmosphere. The treatment can be used for loosening up the structure of fibre for mechanical pulping and/or for facilitating the absorption of delignifying chemicals into the fibre.

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Inventors:
REPKA MIKA (FI)
Application Number:
PCT/FI2001/000703
Publication Date:
September 18, 2003
Filing Date:
August 09, 2001
Export Citation:
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Assignee:
FORTUM OYJ (FI)
REPKA MIKA (FI)
International Classes:
D21B1/02; D21C1/02; (IPC1-7): D21C1/02; D21B1/02
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