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Synthesis and Characterization of Nanocrystalline Micro-Mesoporous ZSM-5/MCM-41 Composite Zeolite | ||
| Iraqi Journal of Chemical and Petroleum Engineering | ||
| Article 1, Volume 17, Issue 1, 2016, Pages 71-82 | ||
| Authors | ||
| Najwa Saber Majeed; Asir Abduljabbar Saleh | ||
| Abstract | ||
| Nanocrystalline micro-mesoporous ZSM/MCM-41 composite was synthesized using alkaline treatment method and two step of crystallization in poly tetraflouroethylene (PTFE) lined autoclave. The synthesized zeolites was characterized by X-Ray diffraction (XRD), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Atomic force microscopy (AFM), Fourier transport infrared (FTIR), and N2 adsorption-desorption (BET). It was approved that the best results for alkaline leaching can be got with 1.5M NaOH solution. High surface (BET) area of 630 m2/g with pore volume of 0.55 cm3/g has been got. AFM reports showed a nano-level size for average particle size of 50nm. | ||
| Keywords | ||
| ZSM; MCM; Micro; Mesoporos; Nanocrystalline; Alkaline leaching; Composite molecular sieves | ||
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