Hydrothermal synthesis of aluminum-substituted titanosilicate, ETS-10

Kim, S. D.; Noh, Si Hyun; Kim, Y. C.; Hwang, J. Y.; Jung, Jinhwan; Yi, Sung Chul; Kim, W. J.

doi:10.1007/s10934-008-9201-3

Cited by 5 publications

(3 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…4d) [16,[30][31][32][33]. The -94.5 and the -96.1 ppm lines stemming from the Si (3Si, 1Ti) configurations of the ETS-10 structure are clearly detected, together with the -103.8 ppm line stemming from the Si (4 Si) configuration.…”

Section: Characterization Techniquesmentioning

confidence: 87%

See 1 more Smart Citation

Evaluation and comparison of the ammonia adsorption capacity of titanosilicates ETS-4 and ETS-10 and aluminotitanosilicates ETAS-4 and ETAS-10

Luca

Poulsen

Salituro

et al. 2015

J Therm Anal Calorim

View full text Add to dashboard Cite

Due to the well-known adsorption properties of titanosilicates (ETS-4 and ETS-10) and aluminotitanosilicates (ETAS-4 and ETAS-10), it was considered particularly interesting to investigate their efficiency in adsorbing ammonia from a gaseous phase. Prior to testing their adsorption capacity, materials thus synthesized have been analyzed by appropriate characterization techniques. Afterward, the adsorption capacity of microporous materials toward ammonia has been evaluated by measuring the corresponding adsorption isotherms through batch experiments. Experimental measurements were best fitted by a linear constant relationship. From the experimental results, high adsorption capacity values were found for all microporous materials in correspondence of high gaseous ammonia concentration values. In particular, ETAS-10 attained the maximum value of adsorption potential, equal to 7.647 mg of NH 3 per g of material. This was likely due to the presence of the acid site linked to the Al atom in its structure with respect to the ETS structure. In addition to that the greater pore size characterizing the phase 10 compared to phase 4 might have entailed a more selective sorption of ammonia molecule. Overall, both titanosilicates and aluminotitanosilicates showed a great adsorption potential toward ammonia. However, materials achieved their maximum capacity at high pollutant loading.

show abstract

Section: Characterization Techniquesmentioning

confidence: 87%

“…The 29 Si-NMR lines in the ETAS-10 reported in the literature are quite broad [30][31][32][33]. The Al atoms were put in the Si (4Si) configurations, giving rise to Si (2Si, 1Al, 1Ti) configurations.…”

Section: Characterization Techniquesmentioning

confidence: 91%

Evaluation and comparison of the ammonia adsorption capacity of titanosilicates ETS-4 and ETS-10 and aluminotitanosilicates ETAS-4 and ETAS-10

Luca

Poulsen

Salituro

et al. 2015

J Therm Anal Calorim

View full text Add to dashboard Cite

show abstract

“…They also have ion exchange and molecular sieving capability [3]. On an industrial scale, zeolite Y, or faujasite containing ultra-stable Y zeolite, is one of the most widely used zeolite materials [4]. The basic structural units of zeolite Y consist of sodalite cages arranged to form super-cages that are large enough to accommodate spheres of 1.2 nm diameter [2].…”

Section: Introductionmentioning

confidence: 99%

Performance of lithium modified zeolite Y catalyst in solvent-free conversion of glycerol to polyglycerols

Ayoub

Abdullah

Ahmad

et al. 2014

Journal of Taibah University for Science

View full text Add to dashboard Cite

Lithium-exchanged zeolite Y (Li-ZeY) catalyst was prepared and characterized with a surface analyser, X-ray diffraction and scanning electron microscopy. The activity of the catalyst was studied in solvent-free conversion of glycerol to polyglycerol via etherification. The effects of reaction temperature on glycerol conversion and polyglycerol formation were successfully elucidated. The catalyst was found to be highly active and thermally stable, with glycerol conversion of 99% at 240 • C after 8 h of reaction. A higher polyglycerol yield (70.5%) was found with Li-ZeY than with homogenous LiOH under the same reaction conditions.

show abstract