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Process for the production of a hemicellulose hydrolysate and special high alpha cellulose pulp
Process for the production of a hemicellulose hydrolysate and special high alpha cellulose pulp
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机译:半纤维素水解物和特殊的高α纤维素纸浆的生产方法
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摘要
A process for the production of a hemicellulose hydrolysate and special pulp through two steps, the first step comprising the prehydrolysis of the material and the second step the dissolving of the lignin contained in the prehydrolyzed material. According to the process the lignin dissolving is carried out by neutral sulphite cooking with anthraquinone or a derivative thereof as a catalyst, the pH of the cooking liquor being initially at least 10.
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