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Take palm oil and soybean oil biodiesels as example, crystallization behavior and rheological property of methyl and ethyl biodiesels were investigated. Differential scanning calorimeter (DSC) technique was used to analyze the crystallization behaviors of methyl and ethyl biodiesels, including the crystallization onset temperature and the variation of amount of crystal precipitation with temperature...
The regeneration heat duty (Qreg, kJ/kg CO2) is a critical parameter in the post-combustion CO2 capture process using a chemical solvent. In this study, the Qreg of CO2 desorption from CO2 rich diethylenetriamine (DETA) solutions was experimentally evaluated in a bench-scale stripper column packed with Dixon ring random packing. The experiments were conducted to evaluate Qreg over a solvent flow rate...
Many sorbents have been studied for their CO 2 sorption capacities with CO 2 and N 2 mixture. In reality, flue gases contain SO 2 . This research was designed to develop and evaluates an inexpensive and robust CO 2 sorbent for actual flue gas. Ca(OH) 2 , CaO and CaCO 3 were explored to serve as additives of K 2 CO 3 /γ-Al ...
The surface tension plays a major role in interfacial transport and reaction processes in many combustion processes. Since the surface tension is related to differences between the vapor and liquid phases, the saturated vapor pressure, vapor composition and liquid density are three of the key factors influencing the surface tension. However, there are few quantitative analyses of the effects of these...
Microalgae have been taken as a sustainable energy source for biodiesel production. In this work, oils were extracted from microalgae Botryococcus braunii (two strains, BB763 and BB764), Chlorella vulgaris (CV), and Chlorella pyrenoidosa (CP). The highest lipid content was produced from CV (40.7%, w/w), whereas the lowest from CP (2.2%, w/w). The major fatty acid components of the microalgal oil from...
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