Navegando por Orientadores "NORAT, Maria de Valdivia Costa"

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Acesso aberto (Open Access)
Estudo gravimétrico de resíduos dos grandes geradores supermercadista; atacadista, hotelaria e restaurantes na região metropolitana de Belém - PA
(Universidade Federal do Pará, 2023-02-27) FRANÇA NETO, Raymundo da Costa; NORAT, Maria de Valdivia Costa; http://lattes.cnpq.br/1628995172582591
This study addresses physical characteristics of gravimetry, presenting as a context the characteristic condition of waste for better use of recyclable waste for recycling, with organic solid waste digestible through technologies that can be better used. The main objective of the study is to identify, through gravimetric data, the possible technical relevance for the waste generated by large generators in the metropolitan region of Belém, for a better use of waste. In this way, it will have a contribution to increase the useful life of the sanitary landfill located in the area under study. The importance of gravimetric data for the survival of sanitary landfills is because it is an important tool in terms of the Solid Waste Management Plan, allowing the analysis of quantitative and qualitative data from the gravimetry of large generators, allowing to present the difficulties and possibilities to implement a disposal system with better use of waste and to identify which are the major generators of solid waste in the current situation in the Metropolitan Region of Belém. The development of this research was divided by primary and secondary data; data analysis for the purpose of results regarding the study of gravimetry, descriptive statistics were analyzed; gravimetric analysis by graph; analysis of the gravimetric composition of RS through boxplot graphs; KruskallWallis test – GG; and literary study for foundation. The results of the survey show that the amount of digestible organic matter, as the highest power in the waste, is around 80.9%, confirming that the organic waste from large generators is completely avoidable for disposal in landfills, and should be directed to treatments with technology sustainable production of energy or compounds, leading to relevant reflections on waste to propose composting techniques, generating waste inputs for agriculture.
Acesso aberto (Open Access)
Proposta de criação da interface do sistema de manifesto de transporte de resíduos do estado do Pará
(Universidade Federal do Pará, 2024-06-17) BRAGA, Leonan de Souza; NORAT, Maria de Valdivia Costa; http://lattes.cnpq.br/1628995172582591
The Waste Transport Manifest (WTM) is a management tool and declaratory document for the implementation and operationalization of the solid waste (SW) management plan in Brazil. Pará is among the states that have not yet created and implemented this system. Therefore, this study proposes the design of the WTM – Pará system, which could subsidize the State Secretary for Environment and Sustainability (SSES) for the inspection and monitoring of SW. The methodological procedures were: bibliographical research in different databases; documentary research, aiming to access relevant legislation and data from the WTM and the National Information System on Solid Waste Management (NISSW); application of a questionnaire to the legal representative of SSES; and interpretations, which consisted of analyzing the collected data to understand the reality of RS management in Pará and subsequently proposing of the WTM-Pará layout, based on the analysis of WTM systems in other Brazilian states. The results indicated that SSES does not have a specific department for RS management; there is no database on the generation, transport and destination values of RS; however, there is a coordination focused on the environmental licensing of waste transportation and treatment activities. Most of the licenses issued by SSES to waste transport companies, in the period from 2017 to 2022, were intended for those transporting dangerous substances and products (698). The data on RS, in NISSW, is out of date, which masks the real results. Based on the MTRs of six states that already adhere to this system, it was possible to identify some common fields for filling in information about the generator, transporter, destination and identification of waste. The proposed items for structuring the WTM - Pará were considered, using the Excel 2010, LibreOffice Calc and LibreOffice Draw creation tool, creating form models for the mandatory filling items, with modifications consistent with the reality of Pará, such as river transport in SW. It was then necessary to include the subfield "Vehicle License Plate/Title Ship Number" to identify the carrier. It was concluded that the layout of the WTM – Pará proposed in this study could be one of the first steps towards the elaboration and regulation of the system, as well as the search for its constant improvement, to positively impact the management of public departments and public entities, such as SSES, and to improve the current scenario of solid waste treatability in the State of Pará.