Abstract
Fuel consumed in collecting municipal solid waste (MSW) accounts for a major portion of the cost of waste management. In this study, several cases were developed using the ArcGIS Network Analyst to establish optimum conditions for MSW collection in Um Gafa district in Al Ain city, UAE. A GIS model was created based on data collection and GPS tracking of collection route and bins position in the area. Results show that current waste collection at Um Gafa does not strictly follow U-turn and curb approach policies. When route optimization is applied for similar conditions, a saving of 14.3% in fuel consumption is gained. Two models were tested for optimal number and location of bins. One model was based on a 40-m service zone while the other was based on population density and land use. By adopting model 1, the number of bins was reduced by 12%, while in model 2 the number of bins was reduced by 20%. Model 2 showed higher superiority, compared to model 1, in terms of fuel consumption.
Highlights
In a wider term, waste can be said as, the items which are no more in use and are not expected to be used in future either
The results showed that the four investigated cases lead to some saving in fuel consumption compared to that under current conditions because of reduced collection time and reduced distance
5.1 Conclusion In this study, an optimization was developed using the ArcGIS tool in order to improve the efficiency of collection and transportation of municipal solid waste in the Um Gafa district in Al Ain city
Summary
Waste can be said as, the items which are no more in use and are not expected to be used in future either. Management of municipal solid waste (MSW) is one of the most challenging issues concerning protection of the environment and conservation of natural resources faced by developing countries. The purpose of MSW management is to ensure solid waste is managed in such a way that it protects both public health and the environment. MSW management is characterized by various kinds of objectives, constraints and a multidisciplinary activity that includes collection, transportation, treatment and disposal of the waste to find solutions that are economically and environmentally sustainable. Unsustainable and inadequate collection, recycling or treatment and uncontrolled disposal of waste in dumps are sensitive issues that could lead to severe hazards, such as health risks and environmental pollution in today's world which can contribute to pollution of water, land, and air as well as putting people at risk. "Domestic, industrial, and other wastes, whether they are of low or medium level, are causing environmental pollution and have become perennial problems for mankind” (Ramasamy et al, 2003)
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