kraft pulping and apmp pulping of the xylem of hybridized citron tree were investigated.
对杂交枸树木质部进行了硫酸盐法和apmp制浆性能的试验。
residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods. sodium sulfide pretreatment can promote sulfur combining chemically with lignin.
用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。
effect of acidity of kraft pulping black liquor to lignin extracting content and property is herewith discussed with the relation between lignin extracting content and property of filtrate.
本文探讨了采用酸沉降法从硫酸盐法造纸黑液中提取木质素时,黑液酸度对木质素提取量和性状的影响,以及木质素提取量与滤液化学特性变化的关系。
the pulping and papermaking of mulberry stalk were studied. optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.
研究了桑枝硫酸盐法制浆适宜的工艺条件和单段、两段次氯酸盐漂白工艺条件。
pre-extracting hemicellulose sugars from eucalyptus chips by pre-hydrolysis with hot water was carried out, and then the kraft pulping was proceeded.
利用水预水解法先提取桉木片中的半纤维素,然后对水解后的木片进行硫酸盐法蒸煮。
methods of lignin separation from kraft pulping black liquor and its application in various areas are reviewed in this paper.
介绍了从制浆废液中回收木质素的方法及其在国民经济中应用的新进展。
residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods.
用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。
the results indicate that the contents of sulfur and methoxyl group and the delignification process of sodium sulfide pretreatment kraft pulping are different from those of control pulping.
结果表明,预处理制浆溶出木质素的硫元素与甲氧基含量及脱木质素反应均不同于常规硫酸盐制浆。