Synthesis of imogolite from rice husk ash and evaluation of its acetaldehyde adsorption ability

Teruhisa Hongo, Junro Sugiyama, Atsushi Yamazaki, Akihiro Yamasaki

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    Large amounts of rice husk ash (RHA) are discharged from rice husk power plants, and the development of an effective system for recycling this RHA waste would be desirable. In the current study, the silica component of RHA obtained from a rice husk power plant in Myanmar was successfully used as raw material for the synthesis of the aluminum silicate nanotube material, imogolite. The RHA used contained 91.65 wt % silica, which was composed of a mixed phase of cristobalite, tridymite, and amorphous silica. The synthesized imogolite had a BET surface area of 282.0 m2/g and a web-like structure formed of fibrous bundles. The imogolite adsorbed 8.8 μmol/g acetaldehyde in 60 min, representing a value approximately 5 times greater than that achieved by the parent RHA.

    Original languageEnglish
    Pages (from-to)2111-2115
    Number of pages5
    JournalIndustrial and Engineering Chemistry Research
    Volume52
    Issue number5
    DOIs
    Publication statusPublished - 2013 Feb 6

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    Ashes
    Acetaldehyde
    Silicon Dioxide
    Adsorption
    Silica
    Aluminum Silicates
    Power plants
    Nanotubes
    Silicates
    Recycling
    Raw materials
    Aluminum

    ASJC Scopus subject areas

    • Chemical Engineering(all)
    • Chemistry(all)
    • Industrial and Manufacturing Engineering

    Cite this

    Synthesis of imogolite from rice husk ash and evaluation of its acetaldehyde adsorption ability. / Hongo, Teruhisa; Sugiyama, Junro; Yamazaki, Atsushi; Yamasaki, Akihiro.

    In: Industrial and Engineering Chemistry Research, Vol. 52, No. 5, 06.02.2013, p. 2111-2115.

    Research output: Contribution to journalArticle

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