Effect of Antioxidants on the Storage Stability of Soybean-Oil-Based Biodiesel
作者： Haiying Tang , Rhet C. De Guzman , K. Y. Simon Ng , Steven O. Salley
DOI: 10.1021/EF9012032
关键词:
摘要: Biodiesel is composed of the monoalkyl esters produced from a variety animal fats or vegetable oils, which can be used in blends with conventional petroleum diesel existing engines. While having many desirable properties, poor oxidative and storage stabilities are source considerable concern. This paper presents results studies on effectiveness various individual binary antioxidants [(α-tocopherol (α-T), butylated hydroxyanisole (BHA), butyl-4-methylphenol (BHT), t-butylhydroquinone (TBHQ), 2,5-ditert-butyl-hydroquinone (DTBHQ), ionol BF200 (IB), propylgallate (PG), pyrogallol (PY)] to improve stability soybean oil (SBO)- distilled SBO-based biodiesel. Results indicate that induction period (IP) untreated biodiesel significantly decreased increasing time, while IP values adding TBHQ remained constant for up 30 months. Moreover, antioxidant formulations THBQ/BHA maintain...
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