Study of thermal analysis technology of sulfonated wheat--strew soda lignin

LIANG Wen-Xue; QIU Xue-Qing; OUYANG Xin-Ping; YANG Dong-Jie

doi:10.7523/j.issn.2095-6134.2007.2.006

Journal of University of Chinese Academy of Sciences >

2007 , Vol. 24 >Issue 2: 174 - 178

DOI: https://doi.org/10.7523/j.issn.2095-6134.2007.2.006

论文

Study of thermal analysis technology of sulfonated wheat--strew soda lignin

LIANG Wen-Xue ,
QIU Xue-Qing ,
OUYANG Xin-Ping ,
YANG Dong-Jie

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School of Chemical and Energy Engineering， South China University of Technology， Guangdong Provincial Laboratory of Green Chemical Technology， Guangzhou， China， 510640

Received date: 1900-01-01

Revised date: 1900-01-01

Online published: 2007-03-15

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Abstract

The thermal decomposition process of sulfonated wheat- strew soda lignin at the none-oxygen state was studied, using TG-IR and Non-isothermal Differential Scanning Calorimetry (DSC). The Kissinger and Ozawa equation kinetic parameters of the thermal decomposition were obtained. The apparent activation energy Ea, and pre-exponential factor, lnA, are 118.3 kJ•mol-1, 121.46 kJ•mol-1; 20.40min-1, 15.92min-1; respectively. The reaction order of the process is 1.8 by using Kissinger method.

Key words： sulfonated wheat- strew lignin; TG-IR; DSC; thermal analysis kinetic

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LIANG Wen-Xue , QIU Xue-Qing , OUYANG Xin-Ping , YANG Dong-Jie . Study of thermal analysis technology of sulfonated wheat--strew soda lignin[J]. Journal of University of Chinese Academy of Sciences, 2007 , 24(2) : 174 -178 . DOI: 10.7523/j.issn.2095-6134.2007.2.006

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