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11 Å tobermorite ion exchanger from recycled container glass

11 Å tobermorite ion exchanger from recycled container glass

Coleman, Nichola J. (2011) 11 Å tobermorite ion exchanger from recycled container glass. International Journal of Environment and Waste Management, 8 (3-4). pp. 366-382. ISSN 1478-9876 (Print), 1478-9868 (Online) (doi:10.1504/IJEWM.2011.042642)

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Abstract

Waste container glass cullet has been evaluated as a feedstock material for the hydrothermal synthesis of tobermorite, a cation exchanger. Accordingly, it is demonstrated that essentially phase-pure 11 ? tobermorite, Ca 5Si6O16(OH) 2? 4H2O, can be obtained from a stoicheiometrically-adjusted mixture of waste glass cullet and calcium oxide in aqueous sodium hydroxide at 100?C. A batch sorption study indicated that the cullet-derived tobermorite is highly effective in the removal of Pb2+(1.66 mmol g?1) and Cd2+(0.48 mmol g?1) from solution. Its ion exchange characteristics are compared with those of other waste-derived sorbents and potential applications are discussed

Item Type: Article
Uncontrolled Keywords: sorbents, hydrothermal synthesis, glass cullet, recycling, ion exchange, calcium silicate, pseudo-second-order kinetic modelling, recycled container glass, feedstock material, hydrothermal synthesis, tobermorite, batch sorption
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 17 Oct 2016 09:11
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/7459

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