Browsing by Author "Umar B."

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    BIODIESEL YIELD FROM DIFFERENT VARIETIES OF CASTOR SEEDS OIL
    (INTERNATIONAL JOURNAL OF PHYTOFUELS AND ALLIED SCIENCES, 2014-09) Oluwole F. A; Abdulrahim A. T; Aviara N. A; Umar B.
    Mechanically expressed oil from four varieties of castor seeds namely: white big size (WBS), black big size (BBS, grey medium size (GMS) and grey small size (GSS) were converted to biodiesel by reacting the oil with methanol in the presence of potassium hydroxide in a transesterification process. Comparative evaluation was carried out to determine biodiesel yield from the varieties. Results show that the GMS variety gave the highest biodiesel yield followed by the GSS and the BBS with the WBS giving the least yield. The GMS variety, which gave the highest biodiesel yield is recommended for the production of biodiesel. Keywords: Castor oil, catalyst, methanol, transesterification, biodiesel yield.