RESEARCH PROGRESS OF MICROWAVE TECHNOLOGY IN THE SYNTHESIS AND APPLICATION OF MOLECULAR SIEVE MATERIALS
2023, 54(8):
127-133.
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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.
