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General process description – TMP

General process description-TMP General approach Originally, the thermomechanical pulping (TMP) process incorporated pressurised preheating of chips, followed by either pressurised or open-discharge refining. The preheating at elevated temperature, which softens the wood, was believed to be the key to the exceptional strength properties of the pulp produced. However, at the end of the 1970s, research
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This page has been updated 24.05.2021