A pre-treatment stage with an Andritz Impressafiner MSD, a key equipment in Andritz mechanical pulping systems, is essential for state-of-the-art TMP processes. The benefits of a pre-treatment with an Andritz Impressafiner MSD includes maximum liquor uptake while squeezing out distracting extractives and heavy metals. Moreover, the chip treatment in the Andritz pre-treatment stage balances the chip bulk density as well as the chip moisture profile, consequently preparing perfect conditions for the down-streamed refining process – a determining process step in terms of optimum pulp properties and energy savings.
Bohui Paper is one of the leading Chinese producers of folding box board, testliner board, kraftliner board, and of printing and writing paper.
Andritz Pulp & Paper is a leading global supplier of equipment, systems, and services for the production and processing of all types of pulps, paper, tissue, and board. The technologies cover processing of logs, annual fibers, and waste paper, production of chemical pulp, mechanical pulp, and recycled fibers, recovery and reuse of chemicals, preparation of paper machine furnish, production of paper, tissue, and board, calendering and coating of paper, as well as treatment of reject materials and sludge.