2011•Advanced materials researchOpen access

Effects of the Different Crystallization Time on Synthesis of Zeolite 4A from by-Products of Polysilicon Production Process

Xing Yong Liu, Min Li, Hong Chen, Wei Wei

Abstract

Pure form,single phase and high crystalline zeolite 4A samples were synthesized during hydrothermal treatment of by-products in polysilicon production process. The effects of the different crystallization time on the degree of crystallinity, skeleton structure, morphology, size of the particle and its distribution of zeolite 4A samples were investigated using XRD,FT-IR,SEM and Zetasizer. The results indicated that the zeolite 4A sample featured high crystallinity degree, excellent dispersivity, high purity and single structure.

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Key concepts: Crystallinity, Zeolite, Crystallization, Materials science, Chemical engineering, Hydrothermal circulation, Phase (matter), Morphology (biology)