Process for producing a pulp
AssigneeLenzing Aktiengesellschaft
InventorsHerbert Sixta, Andrea Promberger, Andrea Borgards, Roland Möslinger
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Abstract
The invention relates to a process for producing a dissolving pulp from a cellulosic starting material using the kraft process, comprising the step of cooking the starting material with a cooking liquor. The process according to the invention characterized in that the starting material is exposed to a steam treatment prior to cooking and that the pulp obtained by cooking is subjected to cold caustic extraction (CCE) in the course of further processing.
Claims8
A Lyocell fiber having a hemicellulose content of between 3.5%-5% by weight and an average molar mass of xylans isolatable from the fiber of about 20 kDa or more.
Dependencies are inferred from the claim text.