PDF(3426 KB)
Coupling Different Synthesis Routes to Prepare Zeolite Molecular Sieves
Zhao Xinhong, Wang Hao, Ding Mengqi, Li Hongwei, Ji Dong, Li Guixian
Prog Chem ›› 2024, Vol. 36 ›› Issue (4) : 525-536.
PDF(3426 KB)
PDF(3426 KB)
Coupling Different Synthesis Routes to Prepare Zeolite Molecular Sieves
zeolites as one kind of important porous materials have a wide range of applications in the fields of adsorption,ion exchange,and catalysis due To their special pore structure,suitable acidity,and high hydrothermal stability.the classical hydrothermal route of synthesizing zeolites suffers from low zeolite yields,high synthesis costs,and serious pollution.coupling the classical synthesis routes of zeolites with those recently developed new non-conventional routes is an important way to solve the above problems and achieve technological innovation in zeolite synthesis.to this end,this review firstly introduces the principles and characteristics of those non-conventional synthesis routes of zeolites,then briefly introduces the concepts of coupling synthesis routes of zeolites,and then focuses on the latest progress in the preparation of zeolites by microwave synthesis,solvent-free synthesis,and seed-directed synthesis coupled with other routes.Finally,the main problems existing in these coupling routes are analyzed and viewed。
1 Introduction
2 Introduction to the non-conventional synthesis routes of zeolites
2.1 Hydroxyl radical assisted synthesis route
2.2 Continuous flow synthesis route
2.3 Interzeolite conversion synthesis route
2.4 Ultragravity synthesis route
2.5 Mechanochemical assisted synthesis route
3 Coupling of microwave synthesis with other synthesis routes
3.1 Microwave-hydrothermal synthesis route
3.2 Microwave-ionothermal synthesis route
3.3 Microwave-solvent-free synthesis route
4 Coupling of solvent-free synthesis with other synthesis routes
4.1 Solvent-free and hydroxyl radical assisted synthesis route
4.2 Solvent-free and seed directed synthesis route
4.3 Solvent-free and mechanochemical assisted synthesis route
5 Coupling of the seed directed synthesis with other synthesis routes
5.1 Seed directed and hydroxyl radical assisted synthesis route
5.2 Seed directed and continuous flow synthesis route
6 Other coupling routes
6.1 Hydrothermal-seed-ultragravity synthesis route
6.2 Ionothermal-interzeolite conversion synthesis route
7 Comparison of various coupling synthesis routes of zeolites
8 Conclusions and outlook
microwave synthesis / ionothermal synthesis / solvent-free synthesis / seed-directed synthesis / coupling
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