6 resultados para Documento eletrônico, armazenamento

em Repositório Institucional da Universidade Estadual de São Paulo - UNESP


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This paper deals with the homologation process for obtaining carbon credits through the Clean Development Mechanism (CDM), that regulates the greenhouse gases reductions under the rules of the Kyoto Protocol. The CDM evaluates projects through a project cycle, which begins with the preparation of the Project Design Document (PDD) until the project certification to receive Certified Emission Reductions (CERs), popularly known as carbon credits. This study analyzed the implementation of the system Burner Recorder System for Low Flows of Biogas (QRBBV), developed by Marcelino Junior & Godoy (2009), in an eco-friendly wastewater treatment mini-plant (miniEETERA), built at the site of UNESP - Guaratinguetá SP. The QRBBV system is low cost and high reliability, developed to burn the methane generated at sites of low and variable production of biogas, which is not economically justified their energy recovery. Currently, almost all wastewater generated at the site of the campus is being treated by miniEETERA and, as a result, the biogas originated by this activity is being released into the atmosphere. Therefore, the project activity aims to capture and burn the biogas generated by miniEETERA, reducing the negative effects caused by the methane emissions into the atmosphere and, thus, claim to receive carbon credits. This work aimed to demonstrate the project applicability under CDM through the study and preparation of the PDD, as well as an analysis of the entire project cycle required for homologation. The result of the work obtained an estimate of only 20 CERs per year and proved to be economically unviable for approval through the CDM, since the spending with the approval process would not be compensated with the sale of CERs, mainly due the low carbon price in the world market. From an environmental standpoint, the project is perfectly... (Complete abstract click electronic access below)

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In this paper are discussed the main project stages of an atmospheric storage tank with floating roof. It emphasizes the calculations of the bottom, the shell and the floating roof, discussing its stages and conditions, based on the technical standards of the project. The storage tanks are static equipment working under low pressure and has an essential importance for the operation of a process plant. This paper has the purpose of obtaining the dimensions and materials of each component of the tank through the calculations and prove them with results obtained by numerical simulation by finite elements with the help of Autodesk Inventor software, consolidating the project

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Pós-graduação em Agronomia (Horticultura) - FCA