|本期目录/Table of Contents|

[1]张晓宇,朱青林,徐志强,等.烤烟在惰性和含氧气氛中的热分析动力学研究[J].江苏农业科学,2015,43(09):323-326.
 Zhang Xiaoyu,et al.Study on thermal analysis kinetics of flue-cured tobacco under inertia and oxygen atmosphere[J].Jiangsu Agricultural Sciences,2015,43(09):323-326.
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烤烟在惰性和含氧气氛中的热分析动力学研究(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年09期
页码:
323-326
栏目:
贮藏与加工
出版日期:
2015-09-25

文章信息/Info

Title:
Study on thermal analysis kinetics of flue-cured tobacco under inertia and oxygen atmosphere
作者:
张晓宇 朱青林 徐志强 胡永华
安徽中烟工业有限责任公司技术中心,安徽合肥 230088
Author(s):
Zhang Xiaoyuet al
关键词:
烟草热失重氧气浓度动力学
Keywords:
-
分类号:
TS41+2
DOI:
-
文献标志码:
A
摘要:
采用热重分析法,以烤烟为材料,分别在纯氮气、氧气浓度为5%、10%的氮氧混合气氛中,对样品的热失重过程进行分析,并利用Flynn-Wall-Ozawa方法计算了热降解动力学参数。结果表明:在含氧气氛中,烟草样品的热分解主要包括5个热失重阶段,而在惰性气氛中,则表现为4个热失重阶段;在相同的升温速率下,氧气浓度的变化,对样品的第Ⅰ、Ⅲ 2个热失重阶段的温度范围、质量变化均没有明显的影响,而对后面的几个热失重阶段,尤其是对主反应区产生了较大的影响;动力学分析结果进一步显示,氧气浓度的变化没有改变前2个阶段的活化能,但却明显导致了主反应区活化能的变化。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-09-06
基金项目:安徽中烟工业有限责任公司基金(编号:2014108)。
作者简介:张晓宇(1986—),男,安徽亳州人,硕士,从事烟草化学和烟草香料香精分析方法研究。Tel:(0551)65738649;E-mail:ahzyzxy@126.com。
通信作者:胡永华,博士,高级工程师,从事烟草化学及烟气分析。Tel:(0551)65738650;E-mail:huyh@mail.ustc.edu.cn。
更新日期/Last Update: 2015-09-25