Co-Pyrolysis Characteristics and Kinetic Analysis of Oil Sludge with Different Additives

被引：0
|
作者：
GONG Zhiqiang [1 ]
ZHANG Haoteng [2 ]
LIU Chang [2 ]
WANG Mi [3 ]
WANG Zhenbo [2 ]
LI Xiaoyu [4 ]
DING Junqi [1 ]
机构：
[1] State Grid Shandong Electric Power Research Institute
[2] College of New Energy,China University of Petroleum (East China)
[3] Institute of Process Engineering,Chinese Academy of Sciences
[4] College of Mechanical and Electronic Engineering,Shandong University of Science and Technology
来源：
JournalofThermalScience | 2021年 / 30卷 / 04期
关键词：
oil sludge; co-pyrolysis; kinetic analysis; fitting method;
D O I：
暂无
中图分类号：
X74 [石油、天然气工业废物处理与综合利用];
学科分类号：
摘要：
The addition of effective additives can effectively improve the pyrolysis performance of oil sludge (OS)and have a great potential to reduce pyrolysis costs.In the present study,co-pyrolysis performance of OS with different proportions of additives at a heating rate of 10°C/min was conducted in a thermal analyzer.Walnut shell,Fe2O3,K2CO3,PVC and the pyrolysis char produced from OS at the final pyrolysis temperature of 700°C were selected as the additives.TG results showed that the OS pyrolysis with and without additives can be divided into five reaction stages,which include volatilization of free water,the escape of light components,the cleavage of heavy components,carbon decomposition and inorganic minerals decomposition.The addition of additives decreased the maximum weight loss rate when the blending ratio was 5 wt%during OS pyrolysis.Kinetic analysis revealed that the overall activation energy of pyrolysis reaction was lower during pyrolysis of OS with the addition of walnut shells and pyrolysis char.The activation energy of three main reaction stages all decreased during co-pyrolysis of OS with K2CO3and PVC.
引用
收藏
页码：1452 / 1467
页数：16
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