期刊
CHEMICAL PAPERS
卷 75, 期 6, 页码 2695-2701出版社
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/s11696-021-01518-w
关键词
Fatty acid methyl ester; Thin film; Oxidative stability; Corrosion
Thermal degradation of FAME was conducted on low carbon steel coupons using a thin film method. The results showed that the degradation rate of FAME film depended on its thickness, with the 200 μm film degrading faster than the 500 μm film. Solubility tests revealed that degraded FAME had better solubility in xylene compared to heptane and fresh FAME.
Thermal degradation of FAME was performed on the low carbon steel coupon by a thin film method. Impact of the film thickness on FAME physical and chemical properties was evaluated. It showed that FAME film degradation ratio depends on its thickness and the thermal treatment duration. It was determined that the 200 mu m film degraded faster than the 500 mu m film. The soaking test, which performed using three solvents (xylene, heptane, fresh FAME) showed that better solubility of degraded FAME was achieved in xylene, followed by fresh FAME and then heptane. The swelling effect was observed than soaking test of FAME films were performed in fresh FAME. The acid values into the degraded FAME films were achieved and lower values were obtained in the 500 mu m than in 200 mu m films, respectively. The iron content into 200 mu m film was 3 times higher, compared with 500 mu m film thickness.
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