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Designing a "Pay As You Throw" system for the town of Chania

Afxentiou Loukis

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URI: http://purl.tuc.gr/dl/dias/BFBB3D86-21AF-4407-92C2-496BE8D616CD
Year 2024
Type of Item Diploma Work
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Bibliographic Citation Loukis Afxentiou, " Designing a "Pay As You Throw" system for the town of Chania", Diploma Work, School of Chemical and Environmental Engineering, Technical University of Crete, Chania, Greece, 2024 https://doi.org/10.26233/heallink.tuc.101013
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Summary

Waste management is a continuously evolving sector as it is at the forefront of the EU transition to a Circular Economy and a more environmentally responsible future. The new EU directive imposes the implementation of “Pay As You Throw” (PAYT) system by the member states based on “The Polluter Pays” Environmental Policy principle. This study evaluates the PAYT system implemented in the municipality of Aglantzia (Cyprus) and designs an economically viable PAYT system for the city of Chania (Greece). Through the implementation of the PAYT system, the total cost of waste management is passed on to the municipality’s residents, while providing financial incentives to encourage the separate collection of mixed waste, organic waste and recyclable materials, to reduce the amount of comingled waste sent for landfilling and thus reduce the overall cost of waste management services. At the same time, the fee amount (charge) is optimized for increased financial transparency as the cost of each individual step is calculated, making it easier to identify any problems, miscalculations, ineffectiveness of equipment, machinery, processes or facilities. The waste management data obtained by DEDISA (local waste management authority) are used to calculate the projected amount of waste generated in the next three years (2025-2027), to create scenarios for the reduced quantity of collected mixed waste and the increased amount of recyclable materials, while estimating the yearly fee each household should pay for waste management. Two charge scenarios are analyzed: (1) the first scenario incorporates the municipal fee in its entirety to a prepaid bag (volume-based charge) and (2) the second scenario is a dual charge system including a partial municipality fee and an additional volume-based charge through the cost of prepaid bags. The study proposes an innovative solution for streamlining yearly waste management costs utilizing IT, extracting the cost of prepaid bag and municipal fee for both the dual charge system and the prepaid bag system. The study also incorporates the income generated from the sales of collected recyclable materials and the compost produced from separately collected biowaste to the overall waste management cost, reducing the municipal fee. Finally, the study provides guidelines for organizing, promoting and monitoring the implementation of the PAYT system in the city of Chania.

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