EXPERIMENTAL DATA AND KINENTIC MODELING OF CARBNOATE FORMATION DURING KRAFT PULPING OF EUCALYPTUS

摘要：

　　This paper investigated on the carbonate formation during kraft pulping process of eucalyptus under different conditions.Based on the experimental data,a kinetic model predicting the formation of carbonate was proposed.In this model,the time-dependent residual effective alkali(REA)was firstly introduced based on its linear relationship with a negative exponent of H factor.Moreover,α,which is the ratio of carbonate origin from polysaccharides to the total,was also firstly proclaimed in this model.Results showed that the proposed model could predict carbonate formation in kraft pulping at various process conditions with a good accuracy(R2=0.923).It was found from the model that about 54%of total carbonate formation originates from lignin,and that carbonate formation was more sensitive to reactive temperature than initial effective alkali(IEA).With above experimental results and kinetic behavior,a control strategy was suggested.

关键词： Carbonate formation kraft pulping Kinetic model Eucalyptus

作者: Jing Li Xinsheng Chai

作者单位: Key Laboratory of Recycling and Eco-treatment of Waste Biomass of Zhejiang Province,Zhejiang Univers State Key Laboratory of Pulp and Paper Engineering,South China University of Technology,Guangzhou,51

会议类型: 国际会议

会议名称: 第五届制浆造纸新技术国际研讨会(ISETPP)暨第三届国际造纸与环境学术大会(IPEC)

会议地点: 广州

会议语种:英文

页码: 1-5

在线出版日期: 2016-11-07（万方平台首次上网日期，不代表论文的发表时间）