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Planning for hazardous campus waste collection.

Kun-Hsing Liu¹, Shao-Yang Shih, Jehng-Jung Kao

¹Institute of Environmental Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, 300 Taiwan, ROC.

Journal of Hazardous Materials

|March 15, 2011

Summary

This study presents a procedure for planning nationwide hazardous campus waste (HCW) collection. Optimized plans reduce transportation risk and costs, improving hazardous waste management strategies.

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Area of Science:

Environmental Science
Waste Management
Logistics and Operations Research

Background:

Hazardous campus waste (HCW) requires specialized collection systems.
Nationwide planning for HCW collection presents logistical challenges.

Purpose of the Study:

To develop and evaluate a procedure for planning a nationwide hazardous campus waste collection system.
To assess alternative HCW collection plans considering various operational parameters and risks.

Main Methods:

Applied two clustering methods to group campuses based on location, waste volume, vehicle type, and collection frequency.
Evaluated alternatives using criteria of transportation risk, storage risk, and collection cost.
Analyzed the impact of truck size, collection frequency, and transfer stations on overall system performance.

Main Results:

Larger trucks reduced transportation risk and cost but increased storage risk.
Simultaneous collection of neighboring campuses lowered storage risk and cost when minimum collection quantities were optimized.
Three transfer station alternatives for northern Taiwan proved cost-effective with reduced transportation risk.

Conclusions:

The proposed procedure effectively facilitates decision-making for nationwide HCW collection planning.
Optimizing collection strategies can balance risks and costs in hazardous waste management.
The study provides a framework for developing efficient and safe HCW collection systems.