中国造纸2012，Vol.31Issue(6)：1-4,4.
描述桉木硫酸盐浆氧脱木素过程动力学的新模型
A New Kinetics Model of Oxygen Delignification of Fast-growing Eucalyptus Kraft Pulp
摘要
Abstract
The effects of temperature,oxygen pressure,sodium hydroxide charge and reaction time on oxygen delignification of the fast-growing eucalyptus kraft pulp were investigated. It was found that the concentration of sodium hydroxide during oxygen delignification had a linear relationship with the natural logarithm of kappa number that standing for the residual lignin content in the pulp. Based on the information from the above investigation and observation,a new kinetics model of oxygen delignification was developed. The results showed that the present model could provide a good description for the oxygen delignification of the eucalyptus kraft pulps at different process conditions (R2 = 0. 980). Compared to the traditional kinetics models of oxygen delignification,the present model minimized the number of kinetics parameters in the mathematical equation,which made the model much simpler and reliable.关键词
氧脱木素/残碱/卡伯值/动力学模型Key words
oxygen delignification/residual alkali/kappa number/kinetics model分类
轻工纺织引用本文复制引用
张春云,胡会超,柴欣生..描述桉木硫酸盐浆氧脱木素过程动力学的新模型[J].中国造纸,2012,31(6):1-4,4.基金项目
本课题为国家自然科学基金(21076091)资助项目. （21076091）
