Preparation and Pyrolysis Kinetics of Phenolic Resins of Main Phenols in Semi-coking Wastewater

被引:0
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作者
Wang, Yali [1 ]
Wang, Yufei [1 ]
Li, Jian [1 ]
Peng, Jiajia [1 ]
Cao, Shuai [1 ]
Yan, Long [1 ]
机构
[1] School of Chemistry and Chemical Engineering, Yulin University, Yulin,719000, China
关键词
Mixtures;
D O I
10.13209/j.0479-8023.2020.030
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学科分类号
摘要
The composition and concentration of organic compounds in semi-coking wastewater were determined by GC-MS. The mixtures of a few of the five most representative phenolic substances (phenol, m-cresol, 2, 3-dimethylphenol, catechol and 2, 6-dimethylphenol) were utilized to simulate semi-coking wastewater. Phenolic resins in the simulated semi-coking wastewater were prepared in the presence of formaldehyde. The phenolic resins were characterized by in-situ infrared and thermal analysis. The pyrolysis kinetic parameters obtained from analyzing thermogravimetric analysis data indicated that a mixture of phenolic compounds had higher crosslinking degree and the phenolic resin was more stable. This study provides a theoretical basis for optimizing of semi-coking wastewater treatment by utilizing formaldehyde. © 2020 Peking University.
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页码:975 / 982
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