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Pressure groundwood pulping (PGW)

Pressure groundwood pulping (PGW) General approach Pressure groundwood pulping (PGW) is a mechanical pulping process in which wood logs are ground under pressurised conditions (about 2.5 bar) in a grinder at shower water temperatures below 100 °C into wood pulp (Figure 1). The yield of the pulp made by PGW process is about 98.5 %,
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This page has been updated 25.05.2021