Synthesis of FER type zeolite with tetrahydrofuran as the template

Guo, Guoqing; Sun, Yaojun; Long, Yingcai

doi:10.1039/b005453o

Cited by 35 publications

(35 citation statements)

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“…No significant changes are observed between the non-intruded and intruded-extruded samples. In both cases, the micropore volume is quite similar and close to 0.12-0.13 mL/g which is in quite good agreement with the published data [41]. At high relative pressures (p/p° = 0.95) and particularly for the intruded-extruded sample, an increase of the adsorbed volume corresponding to an interparticular porosity is observed.…”

Section: Tg Analysis and N 2 Adsorption-desorption Measurementssupporting

confidence: 80%

Intrusion-extrusion experiments of MgCl2 aqueous solution in pure silica ferrierite: Evidence of the nature of intruded liquid by in situ high pressure synchrotron X-ray powder diffraction

Arletti

Ronchi

Quartieri

et al. 2016

Microporous and Mesoporous Materials

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Intrusion-extrusion experiments of MgCl2 aqueous solution in pure silica ferrierite: Evidence of the nature of intruded liquid by in situ high pressure synchrotron X-ray powder diffraction / Arletti, Rossella; Ronchi, Laura; Quartieri, Simona; Vezzalini, Giovanna; Ryzhikov, Andrey; Nouali, Habiba; Daou, T. Jean; Patarin, Joël. ABSTRACTExperimental intrusion-extrusion isotherms of MgCl 2 21H 2 O solution were recorded at room temperature on pure silica FER-type zeolite (Si-FER). The intrusion occurs at 195 MPa and the phenomenon is completely reversible with a slight hysteresis. The "Si-FER -MgCl 2 aqueous solution" system behaves like a spring. The material was deeply characterized before and after intrusion-extrusion experiments and no significant changes were observed. The unit cell parameters were refined -on the basis of the in situ synchrotron X-ray powder diffraction data -up to 1.47 GPa and then at P amb upon pressure release. The Rietveld refinement of the data collected at 0.28 GPa (280 MPa), a pressure close to the intrusion value, shows that both ions and water molecules present in the MgCl 2 aqueous solution were intruded in the porosities. However, the solvation degree of the intruded ions differs from the initial solution, revealing a partial desolvation of both magnesium and chloride ions. As a whole, the nature and amount of the intruded species correspond to a MgCl 2 10H 2 O composition. Moreover, at a higher pressure (0.68 GPa), a phase transition from the orthorhombic Pmnn to the monoclinic P2 1 /n s.g. is observed in Si-FER. At 1.47 GPa, the zeolite maintains this monoclinic symmetry, while another phase transition, to the monoclinic P2 1 s.g., is argued from the analysis of the pattern of the sample compressed to 2.6 GPa and then collected upon pressure release to ambient conditions. KEYWORDS.FER-type zeolite, pure silica ferrierite, intrusion-extrusion experiments, in-situ high pressure synchrotron XRPD experiments, structural refinement.

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Section: Tg Analysis and N 2 Adsorption-desorption Measurementssupporting

confidence: 80%

Intrusion-extrusion experiments of MgCl2 aqueous solution in pure silica ferrierite: Evidence of the nature of intruded liquid by in situ high pressure synchrotron X-ray powder diffraction

Arletti

Ronchi

Quartieri

et al. 2016

Microporous and Mesoporous Materials

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“…The synthesis of FER-type zeolite with Ethylenediamine (En) was performed from a gel with the composition: 19 All syntheses were performed at 180°C in an oven equipped with a tumbling device; the rotation speed was 15 rpm. The oven was charged with autoclaves containing the same initial gel and the synthesis was stopped after different periods to study the crystal growth kinetics.…”

Section: In Situ Synthesismentioning

confidence: 99%

“…Later on a large number of amines were used in the synthesis of FER-type materials, including pyrrolidine [12], tetramethylammonium [13], pyridine [14,15], diethanolamine [16], and trimethylcetylammonium [17]. Nonionic surfactants [18] and tetrahydrofuran [19] were also tried successfully in the synthesis of ferrierite as well as a binary mixture of pyrrolidine and sodium bis(2-ethylhexyl)sulfosuccinate [20]. Tetrahydrofuran and surfactants used in the former syntheses are not real structure directing agents; rather they serve as void fillers or modify the gel chemistry while Na + directs the FER framework formation.…”

Section: Introductionmentioning

confidence: 99%

In situ and post-synthesis control of physicochemical properties of FER-type crystals

Chen

Todorova

Vimont

et al. 2014

Microporous and Mesoporous Materials

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“…Ferrierite has also synthesized in presence of sodium bis-(2-ethylhexyl) sulfosuccinate (AOT), but it requires a longer crystallization period (80 h) (23). Recently Guo et al (24) have synthesized ferrierite with tetrahydrofuran as the template.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Ferrierite-Type Zeolite in the Presence of Nonionic Surfactants

Khomane

Kulkarni

Ahedi

2001

Journal of Colloid and Interface Science

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Synthesis of FER type zeolite with tetrahydrofuran as the template

Cited by 35 publications

References 1 publication

Intrusion-extrusion experiments of MgCl2 aqueous solution in pure silica ferrierite: Evidence of the nature of intruded liquid by in situ high pressure synchrotron X-ray powder diffraction

Intrusion-extrusion experiments of MgCl2 aqueous solution in pure silica ferrierite: Evidence of the nature of intruded liquid by in situ high pressure synchrotron X-ray powder diffraction

In situ and post-synthesis control of physicochemical properties of FER-type crystals

Synthesis and Characterization of Ferrierite-Type Zeolite in the Presence of Nonionic Surfactants

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