Using one waste to tackle another: Preparation of a CO2 capture material zeolite X from laterite residue and bauxite

L. Liu, T. Du, Gang Li, F. Yang, S. Che

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    Abstract

    In this work, zeolite X, a benchmark adsorbent for carbon capture, has been successfully prepared from low cost waste minerals namely laterite residue and bauxite using alkali fusion process followed by hydrothermal treatment. The structure and morphology of the as-synthesized zeolite X were verified and characterized with a range of experimental techniques such as X-ray diffraction, scanning electronic microscopy and infrared spectroscopy. The surface area and (N2 and CO2) gas adsorption isotherms of this product were found comparable to that of commercial ones, demonstrating the effectiveness of synthesizing zeolite X from laterite and bauxite. Further improvement of the product purity was also accomplished by optimizing the process conditions. © 2014 Elsevier B.V.
    Original languageEnglish
    Pages (from-to)551-558
    JournalJournal of Hazardous Materials
    Volume278
    Early online date28 Jun 2014
    DOIs
    Publication statusPublished - Aug 2014

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