316 resultados para Transportadores sólidos de oxigênio
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Pós-graduação em Geografia - FCT
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The approval of the Solid Waste National Policy on August 2, 2010, brought important advances on the issue of solid waste nationwide. Several requirements were imposed causing public and private sectors to direct the problem more diligently. At the same time, the growth of human consumption and the negative impacts of related activities are increasing pressure for new ways to manage wastes. This study was carried out in order to bring proposals for a new model of solid waste management in the city of Rio Claro. To do so, it was used methodologies which stick to collaborative approaches in order to co-create a new vision considering different points of view . This new proposal includes four main initiatives: the integration of a reverse logistics system and collection of recycling materials in all kinds of educational institutions; the use of a routing platform for collection of solid wastes and recycling materials; the application of a garbage fee to residents who use the collection of solid waste system; and a bonus system developed by the private sector as a marketing strategy, encouraged by the public sector, enabling residents to separate their wastes correctly and leave them in one of the educational institutions to exchange points for discounts at local markets
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The management of solid waste has been a great challenge to public managers both because of its high operational costs and increasing waste generation. Besides environmental and public health harm, it involves high costs to be mitigated. It is necessary to seek solutions that focus on, amongst other matters, economic efficiency for a healthy environment. This could be reached with sustainable development, which has proven itself as an alternative model of development to the actual one in place. In order to ensure that sustentability is the goal of an activity, it is necessary to establish goals and to evaluate a system in order to track opportunities and correct possible mistakes, that is, it is necessary to elaborate a Waste Management Plan. However, in order to establish goals, it is also necessary a good description of the management of solid waste, thus diagnosis is a core aspect in the building of an specific law, as it will allow for the knowledge of the actual status of solid waste collection in Osasco town, showing what progress has been made in recent years, identifying current problems and generating the foundations to build future perspectives in the area. The present work has seeked to elaborate a diagnosis on waste management in Osasco municipality, presenting places for consultation and analysing how it meets the current legislation in place, enabling it to serve as a model for the elaboration of other diagnosis in other Brazilian municipalities
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The destination of urban solid waste has became a very relevant theme because of the fast growth of cities. Bauru, a strategically located municipality, needs solutions for that problem. This research aims to show solid waste management in Bauru through a survey of the selective or regular garbage collection programs, treatment and final disposal of the waste. To do so, a questionnaire with 85 questions was used about solid waste management in the municipality and visits were made to the solid waste collection and disposal sites. Bauru has a bad selective collection program and very significant clandestine disposal of Hazardous waste. Furthermore, it doesnot treat hospital waste and has a deficient final disposal landfill.
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The incineration of municipal solid waste has become a very interesting, in order that incineration reduces the amount of solid waste, which would be accumulated in dumps and / or landfill. Furthermore, it is possible to generate electrical energy by use of clean well known technology. To verify the feasibility of installing a plant for the incineration of solid waste with energy recovery, we must consider some basic requirements. For this reason, will be presented in this paper some factors that influence the project to install a plant of incineration with energy recovery.
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A contaminant plume due to leachate infiltration was found in the solid waste landfill from Bauru, SP. The soil hydraulic conductivity (K) is an important parameter to understand the moving of this plume. This paper intends to show representative K values for the soils that occur in the vicinity of this landfill determined by field and laboratory tests. There are four soil types in the area: colluvium, alluvium, sandstone residual soil and the sandstone. Laboratory tests were performed using constant and variable head in rigid and flexible wall permeameters. Slug tests and hydraulic conductivity tests with the Guelph permeameter were also carried out in situ in the area. Representative K values of 3.7x10-7 m/s for the saturated zone and 2.4x10-8 m/s for the unsaturated zone were determined for the residual soil. A K value of 5.3x10-5 m/s was obtained for the colluvium soil. A great variation of K with depth was observed for the alluvium and the assumed average values for the saturated zone were 7.9x10-7 m/s and 1.1x10-4 m/s for the unsaturated surficial layer. An average K value of 3.3x10-8 m/s was determined in laboratory for the sandstone and it was assumed representative for this material.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Relacionar a sustentabilidade com ações desenvolvidas no Projeto de Extensão Recicla UNESP, FEB - UNESP BAURU. O mesmo visa contribuir com a Educação Ambiental nesta comunidade acadêmica, trabalhando com discentes, docentes e funcionários em palestras, treinamentos e eventos. Ocorre de forma contínua, coleta e quantificação de resíduos sólidos gerados em departamentos e outros setores. As atividades foram propostas após estudar práticas em instituições pioneiras nesta causa. A contribuição surge à medida que os benefícios podem ser vivenciados ao realizar a gestão de tais resíduos sólidos, consolidando o desejo constante pela conservação do meio ambiente.
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The theme of solid waste is in high evidence today, a fact noted by the recent implementation of the European directive, and in Brazil, by the National Solid Waste Policy. Understanding the impact of this policy on the national scientific production is essential to plan new directions and research trends. Through a bibliometric and scientometric studied, this research analyzed the national and global context of the last 20 years and found areas in which research progressed, as municipal solid waste, and essentials gaps to develop more the national state-of-the-art, as solid waste of transport. So, the results of this study are a plausible tool to justify for further research on this topic.