沸石
材料科学
焦炭
化学工程
结晶
催化作用
多孔性
扩散
Crystal(编程语言)
纳米技术
化学
有机化学
复合材料
冶金
程序设计语言
工程类
物理
热力学
计算机科学
作者
Minghui Sun,Jian Zhou,Zhi‐Yi Hu,Lihua Chen,Li-Yuan Li,Yangdong Wang,Zaiku Xie,Stuart Turner,Gustaaf Van Tendeloo,Tawfique Hasan,Bao‐Lian Su
出处
期刊:Matter
[Elsevier]
日期:2020-10-01
卷期号:3 (4): 1226-1245
被引量:74
标识
DOI:10.1016/j.matt.2020.07.016
摘要
As a size- and shape-selective catalyst, zeolites are widely used in petroleum and fine-chemicals processing. However, their small micropores severely hinder molecular diffusion and are sensitive to coke formation. Hierarchically porous zeolite single crystals with fully interconnected, ordered, and tunable multimodal porosity at macro-, meso-, and microlength scale, like in leaves, offer the ideal solution. However, their synthesis remains highly challenging. Here, we report a versatile confined zeolite crystallization process to achieve these superior properties. Such zeolite single crystals lead to significantly improved mass transport properties by shortening the diffusion length while maintaining shape-selective properties, endowing them with a high efficiency of zeolite crystals, enhanced catalytic activities and lifetime, highly reduced coke formation, and reduced deactivation rate in bulky-molecule reactions and methanol-to-olefins process. Their industrial utilization can lead to the design of innovative and intensified reactors and processes with highly enhanced efficiency and minimum energy consumption.
科研通智能强力驱动
Strongly Powered by AbleSci AI