ARS | Publication request: RHEOLOGICAL AND THERMAL PROPERTIES OF SALMON PROCESSING BYPRODUCTS

Submitted to: Meeting Abstract
Publication Type: Abstract
Publication Acceptance Date: April 12, 2006
Publication Date: May 12, 2006
Citation: El-Mashad, H.M., Chiou, B., Avena Bustillos, R.D., Bechtel, P.J., Mc Hugh, T.H., Zhang, R. 2006. Rheological and thermal properties of salmon processing byproducts. American Society of Agricultural and Biological Engineers Annual International Meeting, Portland, OR, July 9-12, 2006, Paper No. 066157.

Technical Abstract: Rheological and thermal properties of salmon oil and biodiesel derived from salmon oil are important for designing processing equipment. For example, the viscosity of biodiesel at different temperatures is required for designing a heat exchanger for winterization purposes. Understanding rheological properties is also extremely important for utilizing biodiesel in cold weather conditions. In addition, thermal properties are also important for process control and energy consumption estimation during biodiesel processing and utilization. The main objective of the present study was to evaluate some thermal and rheological properties of salmon oil and biodiesel derived from salmon oil by using rheology, differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). Another objective was to compare the properties of biodiesel produced from transesterification of acidified and non-acidified salmon oil. Furthermore, the properties of salmon oils and their biodiesels were compared with that of corn oil, which served as a representative of vegetable oils, and its biodiesel. Thus more insight could be gained about the engine performance and the storage of biodiesel in cold weather. Biodiesel derived from salmon oil had comparable viscosities to biodiesel derived from corn oil over a temperature range of 0 to 25°C. Also, TGA results showed that both biodiesels had comparable thermal stabilities. In fact, both biodiesels exhibited maximum weight loss at 215°C. In addition, DSC results indicated both biodiesels had similar crystallization temperatures of approximately 0°C. From this study, biodiesel derived from salmon oil had similar rheological and thermal properties to biodiesel derived from corn oil. This indicated that salmon oil is a viable feedstock for biodiesel production.