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• Lam, C
• Ip, A
• Barford, J
• McKay, G
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• Lam, C
• Ip, A
• Barford, J
• McKay, G
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• Lam, C
• Ip, A
• Barford, J
• McKay, G

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Sustainability 2010, 2(7), 1943-1968; doi:10.3390/su2071943

Review

Use of Incineration MSW Ash: A Review

Charles H. K. Lam, Alvin W. M. Ip, John Patrick Barford and Gordon McKay*

Department of Chemical Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong

* Author to whom correspondence should be addressed.

Received: 15 May 2010; in revised form: 1 June 2010 / Accepted: 28 June 2010 / Published: 2 July 2010

(This article belongs to the Special Issue Waste, Garbage and Filth: Social and Cultural Perspectives on Recycling)

Download PDF Full-Text [372 KB, uploaded 2 July 2010 14:23 CEST]

Abstract: This study reviews the characteristics of municipal solid waste incineration (MSWI) ashes, with a main focus on the chemical properties of the ashes. Furthermore, the possible treatment methods for the utilization of ash, namely, separation processes, solidification/stabilization and thermal processes, are also discussed. Seven types of MSWI ash utilization are reviewed, namely, cement and concrete production, road pavement, glasses and ceramics, agriculture, stabilizing agent, adsorbents and zeolite production. The practical use of MSWI ash shows a great contribution to waste minimization as well as resources conservation.

Keywords: municipal solid waste; fly ash; incineration; waste management; waste utilization; hazardous waste

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