Production of Lightweight Fillers from Waste Glass and Paper Sludge Ash

SPATHI, Charikleia, VANDEPERRE, Luc J. and CHEESEMAN, Christopher R. (2015). Production of Lightweight Fillers from Waste Glass and Paper Sludge Ash. Waste and Biomass Valorization, 6 (5), 875-881.

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Official URL: http://dx.doi.org/10.1007/s12649-015-9370-7
Link to published version:: https://doi.org/10.1007/s12649-015-9370-7
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    Abstract

    The production of high-performance lightweight fillers (LWFs) using mixed colour recycled glass and paper sludge ash (PSA) has been investigated. PSA has low sintering activity at temperatures below 1200 °C and therefore glass was added to promote liquid-phase sintering. This allows sintering to occur with simultaneous gas evolution from the decomposition of calcium carbonate present in PSA and this results in extensive pore formation and the production of foamed materials. The lightweight porous materials formed are suitable for use as LWFs. Key process parameters including PSA content, particle size of the raw materials and sintering conditions have been optimised. Optimum processing of glass containing 20 wt% PSA at 800 °C produces particles with physical and mechanical properties comparable to leading commercially available LWF products.

    Item Type: Article
    Identification Number: https://doi.org/10.1007/s12649-015-9370-7
    Page Range: 875-881
    Depositing User: Helen Garner
    Date Deposited: 20 Dec 2016 11:27
    Last Modified: 20 Dec 2016 11:27
    URI: http://shura.shu.ac.uk/id/eprint/14335

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