Lifecycle assessment of municipal solid waste disposal systems in Hong Kong

Pao Yue-kong Library Electronic Theses Database

Lifecycle assessment of municipal solid waste disposal systems in Hong Kong

 

Author: Shum, Hon-wing
Title: Lifecycle assessment of municipal solid waste disposal systems in Hong Kong
Degree: M.Sc.
Year: 1999
Subject: Refuse and refuse disposal -- China -- Hong Kong
Waste disposal in the ground -- Environmental aspects -- China -- HongKong
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Civil and Structural Engineering
Pages: [12], 75, [96] leaves : ill. ; 31 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1480023
URI: http://theses.lib.polyu.edu.hk/handle/200/962
Abstract: The Draft Consultation Paper "Waste Reduction Plant for Hong Kong" in May 1997 has proposed to install two incinerators, each with a capacity of 1 million tonnes per year, in order to reduce the solid wastes volume and relieve the loading of our strategic landfills. However, the capital and operational costs for such an incineration system are high, and the environmental impact, such as air emissions, from incineration may also be serious. In view of this, a proprietary life cycle assessment was applied in this study to analysis two solid wastes disposal systems. Option 1 involves the use of incineration plant to burn the solid wastes first, with the residue ashes and fly ashes to be transported to landfill for disposal. Option 2 involves using the landfill only to collect all the solid wastes. The output data from life cycle assessments were used to evaluate the possibility and advantages of the two disposal options under the considerations of cost, environmental impact, energy recovery, waste volume and weight. In addition, the future potential of the application of waste incineration in the future was evaluated.

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