Synthesis of Zeolite Membranes from Coal Fly Ash

Shigeo Shirakura; Shukuhei Kojima; Kazuhiro Tanaka; Hidetoshi Kita

doi:10.4028/www.scientific.net/AMR.383-390.1749

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 383-390Synthesis of Zeolite Membranes from Coal Fly Ash

Synthesis of Zeolite Membranes from Coal Fly Ash

Abstract:

Zeolite membranes were successfully synthesized from coal fly ash by hydrothermal treatment onto 10-cm-long tubular porous supports. The membranes were characterized from XRD analysis, SEM observation and the pervaporation performance. Under the optimized conditions, LTA-type membrane from coal fly ash showed fairly efficient for the dehydration of organic liquids. The maximum selectivity reached more than 3000 with accompanying flux as high as 3.0 kg/(m²•h) for separation of 90 wt% EtOH aqueous solution at 75 °C.

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Manufacturing Science and Technology, ICMST2011

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Periodical:

Advanced Materials Research (Volumes 383-390)

Pages:

1749-1752

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.383-390.1749

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Online since:

November 2011

Authors:

Shigeo Shirakura, Shukuhei Kojima, Kazuhiro Tanaka, Hidetoshi Kita

Keywords:

Coal Fly Ash, Hydrothermal Synthesis, Pervaporation, Zeolite Membranes

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References

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