REVIEW: EFFECTS OF WOOD QUALITY AND REFINING PROCESS ON TMP PULP AND PAPER QUALITY

Author

Bin Li, Haiming Li, Quanqing Zha, Rohan Bandekar, Ahmed Alsaggaf, Yonghao Ni

Abstract

For the thermomechanical pulping (TMP) process both wood chip quality and the refining process have important effects on the resulting pulp and paper quality. Properties of wood raw material give a framework for final pulp properties. During TMP refining the specific energy consumption and refining intensity strongly impact fibre and pulp qualities. Increasing specific energy consumption benefits the development of fibres and improves their properties. However, high intensity refining tends to shorten the fibres and produces more fines content when compared with low intensity refining. This review focuses on the influence of key variables of chip qualities and the refining process on TMP pulp and paper qualities.

Keywords

Thermomechanical pulp; Pulp quality; Black spruce; Balsam fir; Basic density; Specific energy; Refining intensity

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