PROCESS AND SYSTEM FOR MANUFACTURING A FIBREBOARD FROM WASTE MATERIALS
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United States of America Patent
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Issued Date -
Jun 9, 2022
app pub date -
Mar 20, 2020
filing date -
Mar 20, 2020
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Abstract
There is disclosed a process of manufacturing a fibreboard from a waste material, for example from a corrugated waste material, wherein the process comprises: refining in a range of 5 to 30 percent of the waste material into micro-fibrillated cellulose (MFC), using a mechanical micro-fibrillation process; pulping in a range of 70 to 95 percent of the waste material with water to obtain a waste pulp; dispersing the micro-fibrillated cellulose (MFC) into the waste pulp to obtain a micro-fibrillated waste pulp; moulding the micro-fibrillated waste pulp by applying a pressure to obtain a moulded fibreboard, using a moulding process; and drying the moulded fibreboard at a temperature to obtain the fibreboard with a density in a range of 500 to 1000 kilograms per cubic metre (kg/m3), for example in a range of 650 to 850 kilograms per cubic metre (kg/m3).
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