Method of production of lignin and hemicellulose from a plant lignocellulosic material
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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The present invention relates to a method of production of lignin and hemicellulose from a plant lignocellulosic material comprising the steps of: (a) contacting a plant lignocellulosic material with an extraction solution during more than 2 hours at a temperature between 95°C to 110°C, thereby obtaining a solid fraction and a liquid fraction, (b) separating the solid fraction and the liquid fraction, (c) concentrating the liquid fraction so as to obtain a concentrated liquid fraction, (d) mixing equal parts by weight of water with the concentrated liquid fraction so as to obtain a suspension comprising solid particles in suspension in a liquid medium, (e) separating the particles and the medium of said suspension, (f) recovering the particles of said suspension thereby obtaining a fraction comprising lignin called lignified fraction, (g) recovering the medium of said suspension thereby obtaining a fraction comprising hemicellulose called hemicellulosic fraction.
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国家林业和草原科学数据中心
创建时间:
2023-02-12



