Effects of chip pretreatment and feeding segments on specific energy and pulp quality in TMP production

Autor: Sandberg, Christer, Nelsson, Erik, Engberg, Birgitta A., Berg, Jan-Erik, Engstrand, Per
Zdroj: Nordic Pulp & Paper Research Journal - NPPRJ; September 2018, Vol. 33 Issue: 3 p448-459, 12p
Abstrakt: Increased wood softening and refining intensity have earlier been utilized to improve refining efficiency in mechanical pulping. We have evaluated a combination of increased softening by low dose sulphite chip pretreatment and increased intensity by feeding segment design in a TMP line for production of high quality printing papers.
Databáze: Supplemental Index