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Artacho Ramírez, Miguel ángelSupervisorCloquell Ballester, Victor AndresSupervisor

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Análisis y mejora del sistema integral de gestión de resíduos sólidos urbanos en la ciudad de Castellón de la Plana respondiendo a demandas de sostenibilidad y circularidad

Date read: 2023-11-10 {_iPublic_txt_centro_}: | ID: 10251/199548

Author: Moreno Solaz, Héctor

Director: Cloquell Ballester, Victor Andres ; Artacho Ramírez, Miguel ángel

Abstract

Tesis por compendio (General); [EN] The European Union's strategy for waste management is articulated through a series of directives that take Directive 2008/98/EC as a starting point. It establishes a legal framework for waste treatment designed to preserve the environment, focusing on the importance of using the best available techniques for waste management, recovery and recycling, thus reducing the use of natural resources. This has led to different regulations that oblige economies to be more sustainable, prioritizing waste minimization and, when this is not possible, favouring its reuse and recycling. In Spain, all this has been transposed into the legal system through the recent Law 7 /2022, of April 8, on waste and contaminated soils for a circular economy, in which the leading role falls to the municipalities. The city of Castelló de la Plana is a medium-sized Mediterranean city that has a complete system of solid urban waste management and that, like any system, presents opportunities for improvement. The main objective of this Doctoral Thesis is, therefore, the improvement of the current waste management system based on a detailed analysis of its main dimensions. Specifically, the historical evolution of the main waste fractions of the city has been analysed, observing how external factors can affect their trend; the composition of bio-waste collected selectively has been studied to help the sizing of collection services and new provincial recovery facilities; the best available motorization technology has been proposed for the renewal of the fleet of collection vehicles and a methodology has been developed to prioritize the action plans included in the Local Waste Plan of the city, through an analysis of its main indicators. These improvement proposals are aimed at meeting the Sustainable Development Goals set for the year 2030 and therefore address sustainability and circularity demands. With regard to the presentation of this work, it should be noted that it has been prepared by means of a compendium of publications in which the four dimensions of the system mentioned above have been evaluated. For this purpose, previous research has been analysed and, using the municipality's own data, statistical and multi-criteria decision analyses have been carried out to obtain results that facilitate the strategic, tactical and operational decision-making processes that will improve the management of urban solid waste. From these analyses, important conclusions have been drawn that will make it possible to better manage future extraordinary situations (such as the recent health crisis), carry out actions aimed at improving separation at source, improve waste collection vehicle fleets and optimize municipal resources by prioritizing action plans. These results can be a very useful contribution for municipal waste management managers since, by using the methods defined here, theoretical and practical contributions are provided for decision making, as well as for the development of future research work. (Summary)

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