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Accelerated carbonation treatment of industrial wastes

Accelerated carbonation treatment of industrial wastes

Gunning, Peter, Hills, Colin D. and Carey, Paula J. (2010) Accelerated carbonation treatment of industrial wastes. Waste Management, 30 (6). pp. 1081-1090. ISSN 0956-053X (doi:10.1016/j.wasman.2010.01.005)

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Abstract

The disposal of industrial waste presents major logistical, financial and environmental issues. Technologies that can reduce the hazardous properties of wastes are urgently required. In the present work, a number of industrial wastes arising from the cement, metallurgical, paper, waste disposal and energy industries were treated with accelerated carbonation. In this process carbonation was effected by exposing the waste to pure carbon dioxide gas. The paper and cement wastes chemically combined with up to 25% by weight of gas. The reactivity of the wastes to carbon dioxide was controlled by their constituent minerals, and not by their elemental composition, as previously postulated. Similarly, microstructural alteration upon carbonation was primarily influenced by mineralogy. Many of the thermal wastes tested were classified as hazardous, based upon regulated metal content and pH. Treatment by accelerated carbonation reduced the leaching of certain metals, aiding the disposal of many as stable non-reactive wastes. Significant volumes of carbon dioxide were sequestrated into the accelerated carbonated treated wastes.

Item Type: Article
Additional Information: [1] First available online: 27 January 2010. [2] First published in print: June 2010. [3] Published in Waste Management, (2010), Volume 30, Issue 6, June 2010, pp. 1081–1090.
Uncontrolled Keywords: accelerated carbonation treatment, waste management, industrial waste
Subjects: Q Science > QD Chemistry
T Technology > TD Environmental technology. Sanitary engineering
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 07 Dec 2016 16:51
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2054

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