Aineistot 1-2 / 2
Development of fibre recovery process
The fiber recovery process is an essential part of the modern paper mill. It creates the basisfor mill's internal recirculation of the most important raw materials ¿ water and fiber. It is normally also a start point for ...
Magnesium hydroxide-based peroxide bleaching of high-brightness mechanical pulps
(Lappeenranta University of Technology, 2013-11-20)
A high final brightness is desired in most paper and board products. This requires bleaching processes that are able to produce high-brightness pulps. Mechanical pulps are widely bleached for high brightness using alkaline ...