[1]高慧,张大同,洪启清,等.落叶松硫酸盐法蒸煮反应历程和动力学研究[J].南京林业大学学报(自然科学版),1991,15(04):067-72.[doi:10.3969/j.jssn.1000-2006.1991.04.014]
 Gao Hui Zhang Datong Hong Qiqing Tong Guolin Li Zhongzheng(Nanjing Forestry University)Xu Shuwen Zhang Zhong Jiang Tao.STUDIES ON REACTION MECHANISM AND REACTION KINETIC IN KRAFT COOKING OF LARCH[J].Journal of Nanjing Forestry University(Natural Science Edition),1991,15(04):067-72.[doi:10.3969/j.jssn.1000-2006.1991.04.014]
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落叶松硫酸盐法蒸煮反应历程和动力学研究
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
15
期数:
1991年04期
页码:
067-72
栏目:
研究论文
出版日期:
1900-01-01

文章信息/Info

Title:
STUDIES ON REACTION MECHANISM AND REACTION KINETIC IN KRAFT COOKING OF LARCH
文章编号:
1000-2006(1991)04-0067-06
作者:
高慧;张大同;洪启清;童国林;李忠正;徐树文;张忠;姜涛
南京林业大学;南京林业大学;南京林业大学;南京林业大学;南京林业大学;牙克石木材加工栲胶联合厂;牙克石木材加工栲胶联合厂;牙克石木材加工栲胶联合厂
Author(s):
Gao Hui Zhang Datong Hong Qiqing Tong Guolin Li Zhongzheng(Nanjing Forestry University)Xu Shuwen Zhang Zhong Jiang Tao
Neimenggu Yakeshi Wood-processing and Tannin Extract Plant
关键词:
兴安落叶松硫酸盐法制浆反应历程反应动力学
Keywords:
Xingan Larch Kraft pulping Reaction mechanism Reaction kineties
DOI:
10.3969/j.jssn.1000-2006.1991.04.014
文献标志码:
A
摘要:
<正>本文研究内蒙兴安落叶松硫酸盐法蒸煮的反应历程和反应动力学。研究表明:在硫酸盐法蒸煮中,落叶松的脱木质素过程分为三个阶段,即升温至140℃以前的初始脱木质素阶段;140℃到170℃保温1h的主要脱木质素阶段;170℃保温1h以后的残余脱木质素阶段。主要脱木质素阶段的活化能为1.33×10~5 J·mol~(-1)。
Abstract:
This paper studied the reaction mechanism and reaction Kinetic in kraft cooking of Xingan Larch. Results indicated that three distict dclignification rate stages occurred during the kraft pulping of Xingan Larch, namely, the initial dclignification stage from the beginning of the cook to 140℃ , 18.82% of lignin was dissolved, the bulk dclignification stage from 140℃ to 170℃ at one hour, 71.35% of lignin was dissolved, the residual dclignification stage from 170℃ at one hour to the end of the cook, 6.51% of lignin was disolved. The activation energy of bulk dclignification stage is 1.33 x 105 J ?mol.

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更新日期/Last Update: 1900-01-01