Renewability
Mostrando 1-12 de 14 artigos, teses e dissertações.
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1. La vida social de la energía: apuntes para el estudio territorializado de las transiciones energéticas
Abstract This paper presents a theoretical and methodological proposal for the sociological study of energy transition towards non-conventional renewable energy, as a process of induced transformation related to climate change, whose courses of action are not exempt from socio-technical controversies. The proposal is based on a four-year research program on
Sociologias. Publicado em: 02/09/2019
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2. Physicochemical, Mechanical and Morphologic Characterization of Purple Banana Fibers
Weather conditions and the Brazilian fertile soil contribute to abundant natural resources in a wide variety of fiber types. These fibers have attracted interest in Materials Science area for such characteristics as: low cost, high elasticity modulus and renewability. In this context, the objective of this work was physical, chemical and morphological charac
Mat. Res.. Publicado em: 04/12/2015
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3. Vegetable fibers as multifunctional materials
Concerns related to the ever-growing use of raw-materials from non-renewable sources by modern society is driving the interest of the academic and scientific sectors for a new concept of material, which takes into account not only mechanical performance, cost and availability, but also environmentally-related issues, such as biodegradability, renewability an
Publicado em: 2011
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4. Vegetable fibers as multifunctional materials
Concerns related to the ever-growing use of raw-materials from non-renewable sources by modern society is driving the interest of the academic and scientific sectors for a new concept of material, which takes into account not only mechanical performance, cost and availability, but also environmentally-related issues, such as biodegradability, renewability an
Matéria (Rio de Janeiro). Publicado em: 2010
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5. Exergology evaluation of wastewater treatment process. / Avaliação exergoecológica de processos de tratamento de esgoto.
O presente trabalho propõe uma metodologia científica, com critérios bem definidos, para avaliar e quantificar o desempenho ambiental e a renovabilidade de processos de tratamento de esgoto, numa base única: a exergia. O desempenho ambiental é quantificado através do cálculo da eficiência exergética ambiental, definida como a razão da exergia do ef
Publicado em: 2009
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6. Avaliação exergética e exergo-ambiental da produção de biocombustíveis. / Exergetic and exergo-environmental evaluation of biofuels production.
A revolução industrial levou a sociedade ao incremento do uso de fontes de energia e, no século XX, ao uso intensivo de derivados de petróleo, pelo desenvolvimento dos automóveis como meio de transporte. Ou seja, nos últimos séculos a sociedade tem usado como base de seu crescimento os combustíveis de origem fóssil, que na atualidade, além de seu e
Publicado em: 2009
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7. Life cycle assesment of soybean. / Analise do ciclo de vida da soja.
The objective of this study is to assess the soybean life cycle to quantify the environmental and economic contributions at each stage of soybean and soybean products production, transport and processing phases. In order of that, it were used the Embodied Energy Analysis, the Material Intensity Analysis and the Emergy Synthesis as well other economic and soc
Publicado em: 2008
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8. Análise e otimização termo-econômica-ambiental aplicada à produção combinada de açúcar, álcool e eletricidade. / Thermo-economic-environmental analysis and optimization applied to the combined production of sugar, ethanol and electricity.
O presente trabalho objetiva a obtenção de configurações ótimas para geração conjunta de energia eletromecânica e calor em usinas sucroalcooleiras, avaliando o impacto destas nos custos de produção de açúcar, álcool e eletricidade. Desta maneira, uma proposta para a avaliação do uso racional da energia em usinas é desenvolvida, utilizando as
Publicado em: 2008
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9. Avaliação da sustentabilidade ampliada de produtos agroindustriais, estudo de caso : suco de laranja. / Sustainability evaluation of agro industrial products, case studies : crange juice.
The objective of the present study was to combine Emergy and Life Cycle Assessment methodologies, used regularly for the evaluation of productive models, to evaluate the sustainability of raw and processed agricultural products, considering the complete productive chain. The combination of these two methodologies allows the evaluation of environmental impact
Publicado em: 2008
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10. PreparaÃÃo de novos compÃsitos suportados em matriz de fibra vegetal/natural. / Preparation of new composites of phenolic resin (matriz) in natural/vegetal fibers
In recent years there was a rapid development in the field of composites reinforced by natural fibers like (jute, sisal, coir, hemp etc). Natural fibers are an important alternative, offering several advantages such their abundant, biodegrability, light weight, renewability, are not toxic, presents low cost application compared with synthetic fibers and may
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/03/2006
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11. Avaliação emergetica de propriedades agrosilvipastoris do Brasil e da Colombia. / Emergy evaluation of agrisilvopastoral systems in Brasil and Colombia.
The objective of this paper is to make use of the Emergy Analysis in order to diagnose the performance of cattle breeding productive systems and agricultural and silvopastoral systems and use the results to propose production methods that have harmful impacts on the environment. The agricultural and agrosilvopastoral systems (SAPS) is an agricultural modalit
Publicado em: 2006
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12. Avaliação dos instrumentos de políticas públicas na conservação integrada de florestas e águas, com estudo de caso na bacia do Corumbataí - SP / Evaluation of public policies issues for a comprehensive conservation of water and forest, with a case study at Corumbatai river basin (São Paulo, Brazil)
Forest and water keep a strong relationship in several hydrological functions. Catchments with forests have lower flow peaks, have better water quality and the forests also contribute for nutrients cycling and river protection. In addiction water provides forest vitality and contributes for its biodiversity and several environmental tasks. Water and forests
Publicado em: 2006