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论文作者:www.51lunwen.org论文属性:硕士毕业论文 dissertation登出时间:2015-06-11编辑:felicia点击率:38147
论文字数:17109论文编号:org201506082037339874语种:英语 English地区:美国价格:免费论文
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摘要:这是一篇美国留学论文,浅析了生物燃料的发展趋势,希望大家通过这篇文章更加了解生物燃料。
Indian biofuel industry is producing very low yield of ethanol and biodiesel due to sole dependence on the sugarcane crop and molasses. The use of sugarcane molasses is a limiting factor in the efficiency of biofuels in India. The chief reason for this inefficiency is the resource intensive nature of sugarcane crop; it requires a lot of energy input in the form of nutrients, insecticides, and more water than other food as well as feed stock crops. Another disadvantage is the long growing period of crop extended up to twelve to thirteen months. According to report published by GPZ (2007), two best alternatives for the sugarcane that are available in Include the sorghum and sugar beet which require less energy inputs and growing period while provide large amount of biomass for the efficient generation of biofuels.
A comparison of the aforementioned three crops shows that sugar beet and tropical sorghum has clear advantage over sugarcane crop. These crops have the property of drought tolerance along with less resource utilization, moreover the harvesting process is very simple fir these two when compared with the sugarcane. The tropical sorghum has a very short life cycle and it can be grown two times per annum as compared to the one crop of sugarcane (Gonsalves, 2006).
The use of Jatropha is said to be more advantageous than the sugar beet and sorghum but the studies are under their way on this crop and its advantages. Studies on Jatropha illustrated that its seed can yield considerable amount of biofuel and its production is about one tonne per ha in terms of seeds (Table 2).
Table 2: Production of biodiesel from different yields of seeds of Jatropha (Source: GTZ, 2005)
The development of the profitable business strategy does require serious considerations for the selection of raw material in the country. To increase the efficiency of the biofuel generation processes, it is important to establish the manufacturing plants in the areas where the raw materials are present abundantly and easily. There is acute requirement for the conduction of research on the new methodologies for the production of biofuels that are more efficient so that the prices of the biodiesel and ethanol can compete with the fossil fuels in terms of price.
2.7 Biodiesel Production in India
Research conducted by Gonsalves (2006) revealed that the demand for diesel is five times higher than the petroleum oils in India. Biodiesel industry is still nascent as compared to the ethanol production. The production of biodiesel is conducted through trans-esterification of oils obtained from the biomass especially the vegetable oils. The process is carried out in the presence of an alcohol and its products are biodiesel and glycerol. Vegetable oil is also imported to meet needs because the domestic products cannot meet the total demand of the country.
The novel strategy for biodiesel production and expansion of biofuel industry in India is to use non edible crop calle本论文由英语论文网提供整理,提供论文代写,英语论文代写,代写论文,代写英语论文,代写留学生论文,代写英文论文,留学生论文代写相关核心关键词搜索。