首页>
外国专利>
Brief description of the delignification and / or bleaching, of cellulose, the gas oxygen
Brief description of the delignification and / or bleaching, of cellulose, the gas oxygen
展开▼
机译：纤维素氧气中的脱木质素和/或漂白的简要说明
展开▼
页面导航
摘要
著录项
相似文献
摘要
A process is provided for the bleaching delignification of cellulose pulp with oxygen gas in the presence of alkali, wherein the pulp is first activated with nitrogen dioxide and then washed, preferably with water. The invention is characterized in that the acid solution obtained is used to pretreat the digested pulp subsequent to washing the pulp with waste liquor obtained from the oxygen gas bleaching delignification stage.
展开▼
