通过与孤立的内部醇丰富的 Al-IDM-1 基酸纳米薄膜将合成气促进烯酸
Jie Tuo1,2,3, Yaqi Fan4, Yan Wang5
1Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Rd. 3663, 200062, Shanghai, China.
一种具有独特孔隙结构的新型Al-IDM-1焦化物显著改善了合成气转化为烯酸,达到85%的C2-6烯酸选择性和高烯酸/烯酸比率14. 这种材料增强了烯和丁烯的选择性,这对于有价值的化学品生产至关重要.
科学领域:
- 催化剂是一种催化剂.
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 选择性地将合成气转化为烯对于生产有价值的化学品至关重要.
- 控制产品分销,包括烯酸选择性和烯酸/烯酸比率,仍然是一个重大挑战.
研究的目的:
- 调查用于合成气转换的新型塔西尔热石Al-IDM-1的性能.
- 了解Al-IDM-1独特的孔状结构如何影响产品选择性,特别是对烯酸.
主要方法:
- 合成和表征具有-ION结构的Al-IDM-1焦石.
- 测试与Zn-Al氧化物结合时,在合成气转换中测试热石的催化活性.
- 利用探头反应,包括甲醇到 (MTP) 和1-烯裂变,以阐明反应机制.
主要成果:
- 在合成气转换过程中,Al-IDM-1热 achieved up to 85% C2-6 olefin选择性和14的olefin/paraffin比率.
- 高的Al-IDM-1 (Si/Al比为400) 在C2-4烯中显示出88%的烯和丁烯选择性.
- 泽奥利特呈现出高烯/乙烯和丁烯/乙烯比率,表明增强了短链烯的生产.
结论:
- 具有17-MR和10-MR孔的Al-IDM-1独特的孔隙结构是其高烯酸选择性的关键.
- 在Al-IDM-1中,弱酸度和丰富的孤立内部SiOH组促进了基于烯酸的循环和所需的C3-4烯酸的脱氧.
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