H因子对混合阔叶木硫酸盐制浆性能的影响  

Influence of H factor on mixed hardwood kraft pulping

作　　者：杨桂花[1,2] Lucian Lucia 陈嘉川[1] 陈克复[2] 

机构地区：[1]山东轻工业学院制浆造纸工程省级重点学科,济南250353 [2]华南理工大学制浆造纸工程国家重点实验室,广州510640 [3]美国北卡罗莱纳州立大学木材与造纸科学系

出　　处：《中华纸业》2009年第20期62-65,共4页China Pulp & Paper Industry

基　　金：山东省科技发展计划项目(2008GG2TC01011-4);山东自然科学基金(Z2006B08;Y2007D41);山东省教育厅国际合作项目的资助项目

摘　　要：对混合阔叶木进行了不同H因子下硫酸盐制浆性能探讨,并优化了硫酸盐制浆工艺条件。结果表明:混合阔叶木较佳制浆条件为蒸煮H因子不低于800、用碱量16%～20%、蒸煮温度165℃,此条件下,纸浆得率和卡伯值较理想,蒸煮结果较好。蒸煮H因子900、用碱量16%、蒸煮温度165℃时,纸浆得率达最高值44.27%,纸浆强度性能指标较好,裂断长高达8.18km、耐破指数4.81kPa·m2/g、撕裂指数12.7mN·m2/g。但纸浆白度仅为25.8%,卡伯值26.4。高H因子和低用碱量的制浆工艺,可得到较高强度性能指标的纸浆。The kraft pulp properties of mixed hardwood under different H factor were discussed and the optimization of kraft pulping processing conditions was also made. The results showed that： good pulp properties can be got under the conditions of H factor more than 800, the dosage of alkali ranging from 16%～20%, the temperature 165℃. Pulp strength properties is the best when H factor is 900, effective alkali dosage 16%. Pulp yield, breaking length, bursting strength and tearing index can reach 44.27%, 8.18km, 4.81 kPa^m2/g and 12.7mNom^2/g respectively. But pulp brightness is only 25.8%ISO and kappa number 26.4. The kraft pulp with better strength properties can be obtained in pulping conditions at high H factor and low dosage of effective alkali.

关 键 词：阔叶木 硫酸盐制浆 H因子 浆料性能 

分 类 号：TS743.12[轻工技术与工程—制浆造纸工程]