Silva, Francisco Gomes daRibeiro, Henrique Manuel FilipeSilva, João Marçal dos SantosBerco, Valeriu2013-06-172013-06-172013Berco, V. - Análise qualitativa de lamas de ETAR e competitividade económica dos processos de tratamento e escoamento: caso da ETAR da Guia. Lisboa: ISA, 2013http://hdl.handle.net/10400.5/5671Mestrado em Engenharia do Ambiente - Tecnologias Ambientais - Instituto Superior de AgronomiaThe purpose of this project was to conduct a survey for the established measureable parameters of Guia WWTP’s operations, focusing on the sludge treatment process and analyse the sewage sludge management and recycling model, aiming to an idealized sustainable one based upon viable economical and financial solutions. According to values contained in the most representative operational efficiency of sludge treatment and production parameters, alternative options to the currently used disposal site by the Guia WWTP for the disposal sewage sludge were presented and debated. Moreover, it is considered a perspective of optimization, namely, for the waste management process final phase (purified sludge), according to the possibility of the implementation of the treatment techniques presently recognized and efficiently applied, though, considering sizing and exploitation particularities of the concerning facilities. However, the used methodology including an extensive literature review, allowed a systemic qualitative screening of the produced sewage sludge at the WWTP, technical searching and relevant statistical data analysis allowed the systemic trace/pursue of the quantitative and qualitative markers on the generated sludge. The associated costs projected estimation culminated in an option ranking according to each technical-economical performance criteria, abiding to the legal requirements and suitable to the WWTP’s installed operating capacity.porurban sewage sludgeco-combustionenergetic recoverysustainabilitydisposalagronomic valuemaster thesis201848341