Abstract
The paper investigates the mass transfer between the liquid and solid phases during the crystallization of granules that contained 60 wt % of powdered ZSM-5 and 40 wt % of amorphous aluminosilicate in a sodium silicate solution. The chemical and phase compositions and the porous properties of the resultant zeolite-containing products were identified. Based on the findings obtained, a stepwise mechanism was suggested for the synthesis of high-crystallinity granular ZSM-5 zeolite with a hierarchical porous structure.
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Funding
The study was carried out within the state assignment for IPC UFRC RAS (project no. FMRS-2022-0080). The physicochemical properties of high-crystallinity granular ZSM-5 zeolites with a hierarchical porous structure were investigated within RFBR project no. 19-33-60009. The structural investigation was carried out at the Agidel Regional Center for Collective Use of UFRC RAS within the state assignment for IPC UFRC RAS (project no. FMRS-2022-0081).
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Travkina, O.S., Kuvatova, R.Z., Ishkildina, A.K. et al. Mass Transfer between Liquid and Solid Phases in the Synthesis of High-Crystallinity Granular ZSM-5 with Hierarchical Porous Structure. Pet. Chem. 62, 813–819 (2022). https://doi.org/10.1134/S0965544122070064
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DOI: https://doi.org/10.1134/S0965544122070064