Hydrated Ethanol
Mostrando 1-12 de 18 artigos, teses e dissertações.
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1. Avaliação do ciclo de vida do etanol combustível : uma análise econômica, social e ambiental
The aim of this study is to analyze through the Life Cycle Assessment (LCA), the economic, social and environmental issues concerning the production of hydrated ethanol, from cane sugar, in the Unit Group Paranacity St. Therese. The methodological procedures are described below: a literature review, data collection and application of the method Centre for En
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/05/2012
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2. Evaluation of relative biological efficiency of additives in sugarcane ensiling
The objective of this study was to evaluate the effects of adding alkalis on the fermentative pattern, aerobic stability and nutritive value of the sugarcane silage. A completely randomized design with 6 additives in two concentrations (1 or 2%), plus a control group, totalizing 13 treatments [(6×2)+1] with four replications, was used. The additives were so
Revista Brasileira de Zootecnia. Publicado em: 2012-04
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3. A formação dos preços do etanol hidratado no mercado brasileiro de combustíveis / Formation of the hydrated ethanol\ s prices in the combustible Brazilian market
O propósito do presente estudo é investigar a formação de preços do etanol hidratado no mercado de combustíveis do país. Esta pesquisa busca identificar como se forma o preço do etanol hidratado no mercado interno. A concepção teórica parte da compreensão da formação de preços abrangendo custos, economia de escala, fatores mercadológicos, eco
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/11/2011
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4. Análise experimental da velocidade de combustão em motores de combustão interna
A velocidade de propagação da chama em motores ciclo Otto é determinante das características do combustível, sendo fundamental seu conhecimento para um melhor ajuste do par motor/combustível. Maior velocidade de propagação da chama possibilita aumentar a potência com o aumento da rotação do motor. Assim, pode-se inclusive atrasar o avanço de igni
Publicado em: 2011
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5. OBTAINING THE HYDRATED ETHYL ALCOHOL OF AN ALCOHOLIC GRADUATION FOR AUTOMOTIVE USE: VALIDATION OF A BATCH PROCESS / OBTENÇÃO DO ÁLCOOL ETÍLICO HIDRATADO, COM GRADUAÇÃO ALCOÓLICA PARA USO AUTOMOTIVO: VALIDAÇÃO DE UM PROCESSO EM BATELADA
One of the most used for separation of alcohol and water is distillation. Traditionally the production of hydrated ethanol fuel is produced by large distilleries, which were freestanding or attached. A problem found for production of ethyl alcohol in small properties is related to the type of equipment used and the breaking of the paradigm of food production
Publicado em: 2010
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6. Rede neural artificial para monitoramento em tempo real da concentração de potássio na vinhaça in natura / Artificial neural network for real-time monitoring of the concentration of potassium in the stillage in natura
The cultivation of sugar cane (Saccharum officinarum) has significant presence in Brazils history, from colonization. In its industrial process, are obtained the following products: sugar, ethanol (anhydrous and hydrated), and its main products are: marc - used for power generation - and stillage - re-applied as fertilizer in farming. The use of vinasse on t
Publicado em: 2010
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7. Produção de biodiesel via transesterificação do óleo de nabo forrageiro
The obtainment of solid, liquid and gaseous fuels from biomass is among the well-known possibilities of the use of the energetic resources. Brazil is considered a privileged country to develop from biomass point of view, due to its vast farmland, abundance of water and high incidence of solar radiation on the land, and the availability of rural workforce. Pr
Publicado em: 2009
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8. Liquid-liquid equilibrium data for the system composed of refined rice bran oil / anhydrous ethanol / water / hexane / Determinação de dados de equilibrio liquido-liquido de sistemas contendo oleo de farelo de arroz refinado / etanol anidro / agua / hexano
The extraction of oil from rice bran aggregates value to the rice production. This oil has nutritional and nutraceutical properties, therefore, the interest of the industries in its use. The oil deacidification can be carried out by liquid¿liquid extraction with lower loss of neutral oil, mainly in the case of oil with high content of free fatty acid. In th
Publicado em: 2009
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9. Interceptação de água pelo dossel e influência da época da irrigação na qualidade da cana de açúcar / Water interception by the canopy and influence irrigation on the quality of sugarcane
Sugarcane (Saccharum officinarum) is a crop of great economic importance in Brazil. Its main products are sugar and ethanol (hydrated and anhydrous). Indispensable to the world market, other products that are also originated from this crop and should be emphasized are the spirit (cachaça); the bagasse, which is used mainly as an energy source; vinasse, whic
Publicado em: 2009
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10. Estudo comparativo das emissões de aldeídos originados pelo veículo à diesel com o uso do óleo diesel comercial, biodiesel e suas misturas / Comparative study of aldehyde emissions generated by Diesel vehicles using of commercial diesel fuel, biodiesel and their mixtures
Since of the automotive diesel fuel contains 2% biodiesel and there exists no regulation of emissions of aldehydes of Diesel cycle vehicles, this paper aims to evaluate the emissions of aldehydes of such a category of vehicles, using diesel oil with 2% biodiesel (B2) and 100% soybean biodiesel (B100) as fuel. It also aims to evaluate the emissions of aldehyd
Publicado em: 2009
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11. Estudo do processo de destilação alcoolica continua : simulação de plantas industriais de produção de alcool hidratado, alcool neutro e cachaça / Study of the alcoholic continuous distillation process : simulation of industrial plants for production of hydrated alcohool, neutral alcohol and cachaça
Do processo de industrialização da cana-de-açúcar, obtêm-se diversos produtos de importância econômica para o país como o álcool (anidro e hidratado) e a cachaça. Com o advento do PROÁLCOOL, a produção alcooleira ganhou um grande impulso, fazendo com que o país, em pouco tempo, se tornasse o maior produtor e exportador mundial de álcool combus
Publicado em: 2008
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12. Efeito protetor do magnésio no choque térmico e estresse pelo etanol em leveduras Saccharomyces cerevisiae / Protective effect of Magnesium in yeast Saccharomyces cerevisiae under heat shock and ethanolic stress
The aim of this study was to investigate the protective effect of the ion magnesium in cells of Saccharomyces cerevisiae under thermal and ethanolic stresses. In the industrial process of fermentation the yeasts might be submitted either to thermal stress, originated from the heat produced by fermentation, or to ethanol stress, originated from the damages ef
Publicado em: 2007