摘要
综述了微波技术在分子筛材料合成、改性和应用中的研究进展,包括微波合成常规分子筛、纳米分子筛、复合分子筛及分子筛膜,微波强化分子筛改性、离子交换、催化反应及分子脱附,以及用于合成分子筛的微波设备等。与传统间接加热方式相比,微波可以实现瞬间、直接的体相加热,因而在分子筛材料的合成和应用中具有更快速、更节能、更高效、更环保的特点,其特殊的加热方式还可能改变分子的反应路径,因而具有重大应用潜力。此外,微波可以有效提高分子筛材料的晶化效率,调节孔径结构、粒径分布、微观形貌及分子筛膜厚度,强化离子交换速率,加速催化反应和分子脱附速率,为分子筛材料的合成和应用开辟新方向。
The research progress of microwave technology in the synthesis,modification,and application of molecular sieve materials was reviewed,including microwave synthesis of conventional molecular sieves,nano-sized molecular sieves,composite molecular sieves,and molecular sieve membranes,as well as microwave-enhanced molecular sieve modification,ion exchange,catalytic reaction,molecular desorption,and used in the synthesis of molecular sieves microwave equipment,etc.Compared with the traditional indirect heating method,microwaves could achieve instantaneous and direct bulk phase heating,so it had the characteristics of faster,more energy-saving,more efficient,and environmentally friendly in the synthesis and application of molecular sieve materials,and its special heating method could also change the reaction path of molecules,which had significant application potentials.The results of literature studies showed that microwaves could effectively improve the crystallization efficiency of molecular sieve materials,adjust the pore size structure,particle size distribution,micro-morphology and the thickness of molecular sieve membrane,enhance the ion exchange rate,accelerate the catalytic reaction and molecular desorption rate,and open up new directions for the synthesis and application of molecular sieve materials.
作者
杜金涛
赵保槐
曾壮
苑志伟
曾双亲
鲍俊
Du Jintao;Zhao Baohuai;Zeng Zhuang;Yuan Zhiwei;Zeng Shuangqin;Bao Jun(Institute of Engineering Technology of SINOPEC Catalyst Co.,Ltd.,Beijing 101111;SINOPEC Research Institute of Petroleum Processing Co.,Ltd.)
出处
《石油炼制与化工》
CAS
CSCD
北大核心
2023年第8期127-133,共7页
Petroleum Processing and Petrochemicals
基金
国家自然科学基金资助项目(U2002212)。
关键词
催化剂
分子筛
微波加热
过程强化
catalyst
molecular sieve
microwave heating
process intensification
