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Production Optimization of Biodiesel from Frying Oil Waste to Reduce the Environmental Impacts

Journal of Chemistry and Chemical Engineering 2014年第6期8卷 621-625页

作者： Silvério Catureba da silva Filho thadeu alfredo farias silva Arthur de Queiroz e silva Amanda Carvalho Miranda Felipe Araájo Calarge José Carlos Curvelo Santana Elias Basile Tambourgi Laboratory of Processes and Quality Control Nine July University Sao Paulo 05001-100 Brazil School of Chemical Engineering State University of Campinas Campinas 13083-852 Brazil

The objective of this study was to reduce the environmental impacts of used frying oil waste through the production of biodiesel. A 2 2 factorial planning has been used to evaluate the influences of alcohol/oil and reaction time on the biodiesel production yield. The optimal condition to produce the biodiesel has been found by use of the response surface methodology and analysis of variance to obtain the fitting model. This study was conducted in Campinas city, Brazil, where were collected the waste oil. An analysis of ecological cost also has been developed. Cooking oils collected from Campinas homes were mixed with ethanol in planned proportions (1:9, 1:7 and 1:5) and were transesterified at 60 °C and planned reaction times (30, 60 or 90 min), in order to obtain biodiesel, using 0.1% NaOH as a catalyst. The results of the physical-chemical analyses demonstrated that the biodiesels obtained possessed characteristics close to those required by Brazilian standards. This fuel could be used in fleets of buses, trucks and machines, or even sold to fuel distributors, which results in a solving between US$0.8 and US$4.5 millions. Thus, Campinas would gain environmental credits and become a sustainable city.

关键词：生物柴油生产优化环境废物煎炸油响应面分析法反应时间生产成品率

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