Hydrothermal synthesis of lithium silicate from waste glass. A preliminary study

• Autorzy: Coleman N. J. , Hurt A. P. , Raza A.

Identyfikatory

DOI

10.5277/ppmp150226

• Języki publikacji: EN

Abstrakty

EN

Current environmental directives to conserve resources and to divert waste streams have generated significant interest in mineral recycling. In this respect, this preliminary study has demonstrated that lithium metasilicate can be prepared by hydrothermal reaction between waste container glass and lithium hydroxide solutions at 100 °C. Minor proportions of calcium hydroxide, calcite, lithium carbonate and tobermorite were also produced during the reaction. Percentage crystallinity and proportion of lithium metasilicate in the reaction product were found to increase as functions of lithium hydroxide concentration (between 1 and 4 M). This research has also shown that the lithium metasilicate phase can take up 6.4 mmol/g of Zn2+ ions after 24 h during batch sorption. Further work to optimise the yield and to appraise the antimicrobial properties of Zn2+-bearing lithium metasilicate is now warranted.

Słowa kluczowe

EN

hydrothermal synthesis; glass; cullet; recycling; lithium metasilicate; zinc

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2015
• Tom: Vol. 51, iss. 2
• Strony: 685--694
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Coleman N. J.

• School of Science, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, United Kingdom

autor

Hurt A. P.

• School of Science, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, United Kingdom

autor

Raza A.

• School of Science, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, United Kingdom

Bibliografia

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