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Evaluation of Brazilian Bentonite Modified by Acid Attack in Biofuel Production

机译:酸蚀改性巴西膨润土在生物燃料生产中的评价

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The climate change observed in the last decades, the increase of global warming, the melting of the polar ice caps, and the sea level rise have in common the non-sustainable development as causative agent. Different nations have mobilized joint efforts with the objectives of minimizing the impact of greenhouse gas (GHG) emissions, investing in the research and the development of new technologies in recycling, in biomaterials, environmentally friendly processes, and new fuel alternatives. This paper evaluates the efficiency of a Brazilian bentonite modified by acid attack, in the purification step of a waste oil to be used for biofuel production, that is, diesel from waste cooking oil (WCO). The following characterization tests were performed: XRD, CEC, XRF, SEM/EDS. specific surface area (BET), stereomicrography, kinematic viscosity, and spectrophotometry at 440 nm. The modified bentonite exhibited good purification capacity for WCO when compared to a commercial product.
机译:在过去的几十年中观察到的气候变化,全球变暖的加剧,极地冰盖的融化以及海平面上升共同导致了作为病原体的非可持续发展。不同国家动员了共同的努力,其目标是最大程度地减少温室气体(GHG)排放的影响,投资于循环利用,生物材料,环保工艺和新燃料替代品的新技术的研究和开发。本文评估了通过酸侵蚀改性的巴西膨润土的效率,该提纯步骤用于提纯用于生产生物燃料的废油,即废烹饪油(WCO)中的柴油。进行了以下表征测试:XRD,CEC,XRF,SEM / EDS。比表面积(BET),立体显微术,运动粘度和440 nm的分光光度法。与商业产品相比,改性膨润土对WCO表现出良好的净化能力。

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