Journal
JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT
Volume 21, Issue 3, Pages 433-456Publisher
SPRINGER
DOI: 10.1007/s10163-018-0804-8
Keywords
System dynamics modelling; Food waste management; Simulation; STELLA
Categories
Funding
- Hong Kong Polytechnic University
- Department of Industrial and Systems Engineering of the Hong Kong Polytechnic University
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Of landfilled municipal solid waste in Hong Kong, 33.2% is attributed to food waste. The government has set a waste reduction target to reduce by 40% the current food waste disposal at landfills by 2022 and has launched various policies and strategies to achieve this target. The Hong Kong Government is eager to control the utilisation level of food waste through various policies and the food waste conversion by a newly adopted Organic Waste Treatment Facility. In this study, the current landfill situation and the effectiveness of food waste policies are investigated using a system dynamics approach to study the dynamics and interrelationships in food waste management. The model is used to forecast the effectiveness of the food waste management in different scenarios. Among these scenarios, adopting Organic Waste Treatment Facility and implementing a quantity-volume-based charging scheme are examined. Although improvements are expected to be made after implementing these policies when compared to the current trends, the model output indicates that without any other new policy or action plan, it is difficult to achieve the objectives set by the government. Suggestions are made so as to improve the effectiveness of food waste management in the future.
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