Using Additives for the Removal of Extractives in Kraft Pulping and Bleaching of Hardwood

编号 zgly0000332839

文献类型 期刊论文

文献题名 Using Additives for the Removal of Extractives in Kraft Pulping and Bleaching of Hardwood

学科分类 220.5570;林产化学加工学

作者 XUCheng-long 

作者单位 （HeilongjiangPulp＆PaperIndustryResearchInstitute 

母体文献 黑龙江造纸 

年卷期 2004,32(2)

页码 3-4

年份 2004 

分类号 TS745 

关键词 阔叶木  硫酸盐制浆  漂白  化学添加剂  脱除方法  抽提物  造纸 

文摘内容 Abstract The effect of four additives (surfactants and dispersant) that were supplied by Hercules Chemicals Singapore Pte Ltdon kraft pulping and bleaching of Eucalyptus camaldulensis and Acacia mangium has been studied. The use of additives results in amore removal of extractives, and in a more uniform cook with lower screen rejects in eucalyptus, lower residual alkali, and in an im-provement in brightness of eucalyptus pulps. At low additive charge level, a reduction of kappa number generated without clear lossof pulp yield in acacia cook。