INTEGRATED PULP MAKING FROM AGRO-WASTE AND OTHER LIGNOCELLULOSIC MASS
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
The present invention relates to a process and apparatus for making pulp， and paper from agro-waste such as rice straw and other lignocellulosic masses in a much greener， economical and scalable manner. The chipped agro-waste is pre-treated in a reactor containing chelating agents and then washed before pulping in hydrogen peroxide and alkaline solution. Thus cooked biomass is refined in a disc refiner to disintegrate fibres thereafter chemicals are washed out and the pulp is thickened. After the washing， bleaching may be done and some other chemicals may be added optionally to enhance the pulp properties like water-proofing， brightness etc. Additionally， the pulp can be blended with chemical pulps or pulp from other materials having bigger fibre length to get different properties. The pulp is then and there converted into paper sheets or molded onto 3D shape of packaging containers， cups， plates etc. using the required machineries.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
