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The ultrasonic-assisted transesterification of palm oil in the presence of alkaline earth metal oxide catalysts (CaO, SrO and BaO) was investigated. Batch process assisted by 20kHz ultrasonic cavitation was carried out to study the effect of reaction time (10–60min), alcohol to palm oil molar ratio (3:1–15:1), catalysts loading (0.5–3%) and varying of ultrasonic amplitudes (25–100%). The activities...
This paper explores the feasibility of converting Cerbera odollam (sea mango) oil into biodiesel. The first part of this study focused on the extraction of oil from the seeds of C. odollam fruits, whereas the second part focused on the transesterification of the extracted oil to fatty acid methyl esters (FAME). The transesterification reactions were carried out using three different catalysts; sodium...
Several previous studies have reported the preparation of absorbents from coal fly ash variations as a source of siliceous material for the preparation of absorbents for flue gas desulfurization. On the other hand, this study presents findings from an experimental investigation of the preparation of absorbents from rice husk ash as the source of the siliceous material. The effect of various absorbent...
Hydrogenation of residual oil with a viscosity of 225 centipoise at 45.4°C was carried out in the presence of dispersed water soluble Ni-Mo catalyst and alumina supported Co-Mo catalyst in order to compare their hydrotreating activities. The experiments were conducted in batch mode under a pressure of 7 MPa of H 2 and 340°C using a 300 ml high pressure stirred reactor. The results revealed...
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