Wood substance is a very complicated porous structure consisting of lignin bound wood fibers. We were initializing and leading a 15 years period of research on these issues and their interdependence s with pulp industry, machinery manufacturers and Helsinki University of Technology.
Kraft pulp mill process has become the only dominating cooking process for making chemical pulp. In the 1980’s started an active period where a lot of old conventional cooking capacity were replaced by new mills.
Panu Tikka re-visits another SciTech-Service 90’s patent: “Process for the production of a hemicellulose hydrolysate and special high alpha cellulose pulp”