Effect of synthesis parameters on mesoporous SAPO-5 with AFI-type formation via microwave radiation using alumatrane and silatrane precursors

Statistical Optimization for Production of Light Olefins in a Fluidized‐Bed Reactor

“…2 presents the XRD pattern of the S34 and S34-T-C samples. Both samples revealed the same characteristic peaks corresponding to the CHA structure of the SAPO-34: a major peak at 9.58 corresponding to a (110) reflection with minor peaks at 13.8°, 16.18°, 20.5°, and 30.78° [22]. The purity of SAPO-34 molecular sieves was confirmed through the evidence of having no other peaks.…”

Investigating the Effect of Ultrasonic and Microwave-Assisted Aging on the Synthesis of Nanosized SAPO-34 Molecular Sieves Using Box–Behnken Experimental Design

“…1) based on the five characteristic peaks at Bragg angles of 9.58, 13.8, 16.18, 20.5 and 30.78. [34] Among all obtained samples, the one with the strongest intensity was assigned as the reference with 100% crystallinity. …”

“…[18,19] Downloaded by [Florida Atlantic University] at 23:50 10 August 2015 ACCEPTED MANUSCRIPT ACCEPTED MANUSCRIPT 3 The synthesis of porous materials via microwave heating has overcome many of the drawbacks found in using conventional heating including the ability to obtain fast crystallization, high phase purity, high phase selectivity, and narrow particle size distribution. [20][21][22][23][24] The most important benefit of applying microwave irradiation is that the synthesis mixtures can be heated rapidly to the desired temperature. Moreover, the direct energy transfer to the synthesis gels by microwaves allows a homogeneous heating and thus, avoids unwanted temperature gradients as often encountered during conventional thermal heating.…”

Use of Microwaves in Coal Research and in Materials Synthesis

“…This often results in materials with finer microstructures and particles with narrow size distribution. The reader is referred to several recent papers (Barison et al, 2010;Wu et al, 2008;Prasad et al 2002;Utchariyajit et al 2010;Chang et al 2009;Gopinath et al 2002;Vincente et al 2010) where examples of these advantages are described in detail. Thus, compared to conventional thermal heating, microwave heating has the advantages of speed, energy efficiency, finer microstructures and more uniform particle size distribution in the synthesis of materials in line with the data shown in Fig.…”