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| Lima e Silva,Luis Felipe; Gonçalves,Wilson Magela; Maluf,Wilson Roberto; Resende,Luciane Vilela; Lasmar,André; Carvalho,Régis de Castro; Licursi,Vicente; Moretto,Paulo. |
| Abstract: The objective of this work was to assess the viability of sweet potato (Ipomoea batatas) for ethanol production, as well as to estimate the energy and budget balances for the crop. Data from the agricultural and industrial production phases were evaluated. Those from the agricultural phase were estimated from a field experiment and used for comparison of sweet potato genotypes. Those from the industrial phase were estimated based on the literature on the fossil fuel energy and electricity consumed in the ethanol production process. With average yields of 35 Mg ha-1 roots and 12 Mg ha-1 dry stems, the output/input ratios were 6.64 and 1.93 for the energy and budget balances, respectively. For yields of 50 and 80 Mg ha-1 roots (17 and 27 Mg ha-1... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ipomoea batatas; Alternative energy sources; Biofuel; Corn; Energetic sustainability; Sugarcane. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000102504 |
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| Silva,Luis Felipe Lima e; Gonçalves,Wilson Magela; Maluf,Wilson Roberto; Resende,Luciane Vilela; Sarmiento,Christiany Mattioli; Licursi,Vicente; Moretto,Paulo. |
| ABSTRACT: The aim of the present study was to estimate the energy balance (output/input ratio) of the canola crop for biodiesel production, under Brazilian conditions. Fossil energy expended in the production of 600kg of oil per hectare was 7,146,537kcal. The estimated energy yield per hectare was 9,930,000kcal from the production of 1,500kg ha-1 of seeds (40% oil and 60% oil cake), which resulted in an energy balance of 1.39. Results indicated the viability of biofuel production from canola, but also showed the need to improve the technology used to increase the energy and economic balance ratios. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brassica napus L. var. oleifera; Biofuel; Energy sustainability. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000200932 |
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