Department of Applied Science and Technology, Alagappa College of Technology, Anna University, Chennai, 600025, India.
Department of Biotechnology, Alagappa College of Technology, Anna University, Chennai, 600025, India.
Environ Sci Pollut Res Int. 2020 Jul;27(20):25828-25835. doi: 10.1007/s11356-020-09068-6. Epub 2020 May 13.
In the last few decades, consciousness of fossil fuel resources and increased environmental concerns have given the need for emergence of alternative fuel. Biodiesel is one of the potential renewable energies produced from edible and non-edible biomass which could be a potential alternative for petrol-derived diesel. In this work, initially the process of biodiesel production from waste cooking oil using potassium hydroxide as catalyst and the process parameters were studied in laboratory. The maximum biodiesel yield of 97% was attained at 75 °C with 1 wt% catalyst concentration and oil-methanol molar ratio of 1:06 at 350 rpm and 90 min. Also, these process conditions were used for biodiesel production in the pilot plant and obtained 97% yield. Overall, mass balance for the pilot plant was studied to analyze the product yield loss. The fatty acid methyl ester formation in the plant was confirmed by characterization with FTIR and H NMR. Further, the quality of biodiesel produced was compared for its physiochemical properties with the ASTM standards.
在过去几十年中，人们对化石燃料资源的意识不断增强，对环境问题的关注也日益增加，这使得人们需要寻找替代燃料。生物柴油是一种潜在的可再生能源，可由食用和非食用生物质生产，是石油衍生柴油的潜在替代品。在这项工作中，我们首先使用氢氧化钾作为催化剂，在实验室中研究了从废弃食用油生产生物柴油的过程和工艺参数。在 75°C、催化剂浓度为 1wt%、油-甲醇摩尔比为 1:06、转速为 350rpm 和反应时间为 90min 的条件下，生物柴油的最高得率可达 97%。此外，我们还在中试工厂中使用这些工艺条件进行了生物柴油的生产，获得了 97%的产率。总的来说，我们对中试工厂进行了质量平衡研究，以分析产品收率损失。通过傅里叶变换红外光谱（FTIR）和核磁共振氢谱（H NMR）对工厂中脂肪酸甲酯的形成进行了确认。进一步，我们对所生产的生物柴油的理化性质与 ASTM 标准进行了比较。
