Journal
CHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume 26, Issue 12, Pages 2537-2541Publisher
CHEMICAL INDUSTRY PRESS
DOI: 10.1016/j.cjche.2018.02.005
Keywords
alpha-Pinene isomerization; Camphene; Composite metatitanic acid
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Funding
- Fujian Green Pine Co., Ltd [2016001]
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The isomerization reaction of pinene is one of the most important chemical reactions in the deep processing of pinene. The purpose of this study is to improve the performance of the metatitanic acid by composite. The composite metatitanic acid catalyst TiM was prepared by adding Mn elements in the preparation process. The catalytic performance of TIM was evaluated. Comparison of TiM and metatitanic acid catalyst (Ti-FGP), the reaction rate of TiM catalyst was faster, and after the reaction, the yield of camphene and tricydene increased about 1%. The catalysts were characterized by an SEM, FT-IR and laser particle size analyzer. The results show that the pinene isomerization reaction requires the synergistic action of the Bronsted acid and Lewis acid. Bronsted add has great influence on the activity of catalyst, and Lewis acid has a great influence on the selectivity of the catalyst. The structure and morphology of the catalyst have a certain effect on the selectivity of pinene isomerization reaction. (C) 2018 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
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