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자료유형
학술저널
저자정보
Cheng, Chen (School of Chemistry & Chemical Engineering, Tianjin University of Technology) Chen, Hui (School of Chemistry & Chemical Engineering, Tianjin University of Technology) Li, Xia (School of Chemistry & Chemical Engineering, Tianjin University of Technology) Hu, Jianli (School of Chemistry & Chemical Engineering, Tianjin University of Technology) Liang, Baochen (School of Chemistry & Chemical Engineering, Tianjin University of Technology)
저널정보
한국화학공학회 화학공학 화학공학 제53권 제4호
발행연도
2015.1
수록면
463 - 467 (5page)

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We investigated catalytic activity of ion-exchange resins in acetalization of 1,2-propylene glycol with acetaldehyde. The impacts of reaction variables, such as temperature, reaction time, catalyst loading and feedstock composition, on the conversion of 1,2-propylene glycol were measured. The life of the catalyst was also studied. Furthermore, the reaction kinetics of 1,2-propylene glycol acetalization was studied. It was found that reaction rate followed the first-order kinetics to acetaldehyde and 1,2-propylene glycol, respectively. Therefore, overall acetalization reaction should follow the second-order reaction kinetics, expressed as. Key words: 1,2-propylene Glycol, 2,4-dimethyl-1,3-dioxolane, Ion-exchange Resin, Polyhydroxy Compounds, Acetalization $r=kC^{nA}_AC^{nB}_B=19.74e^{\frac{-6650}{T}}C^1_AC^1_B$.

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