PRODUCTION AND PERFORMANCE EVALUATION OF BIODIESEL FROM HIBISCUS SABDARIFFA AND HIBISCUS SURATTENSIS

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dc.contributor.authorBIRIOK, GEORGE STEPHEN
dc.date.accessioned2014-02-07T11:04:06Z
dc.date.available2014-02-07T11:04:06Z
dc.date.issued2012-10
dc.descriptionA Thesis Submitted to the School of Postgraduate Studies, Ahmadu Bello University, Zaria in partial fulfillment of the requirements for the Award of Masters Degree (M.Sc) in Mechanical Engineeringen_US
dc.description.abstractThis work investigated the viability of using locally available vegetable seed oils to produce biodiesel. Two indigenous seeds- Hibiscus Surattensis (Hausa-rahma) and Hibiscus Sabdariffa (Hausa-yakwua) were used to carry out the research. Biodiesel from oils derived from these seeds were produced by alkali catalyzed transesterification process. The physicochemical properties of the oils (such as viscosity, flash point, calorific value, relative density, acid value, ash content, carbon content, saponification value, iodine value and hydrogen content) and various blending ratios of biodiesel with diesel obtained from oils of these seeds were investigated and compared with standard diesel fuel. The methyl esters of the samples were comparatively analysed based on their performance characteristics in blends of 30:70, 40:60 and 50:50 using a Leyland Compression Ignition Engine coupled to a hydro-dynamometer. Parameters like speed of engine and fuel consumption were measured at different loads for pure diesel and various combinations of biodiesel blends. Torque, brake horse power and specific fuel consumption were calculated. The test results indicate that the biodiesel blends of 40:60 for H. Sabdariffa has Brake horse power- 12.44kW, Speed- 2000rpm, and SFC 0.118 l /kW hr and; 30:70 for H. Surattensis has Brake horse power- 13.78kW, Speed-2000rpm, and SFC-0.332 l/kW hr while Diesel has Brake horse power- 10kW, Speed-2000rpm, and SFC-0.193 l/kW hr. Both H. Sabdariffa at 40:60 blend and H. Surattensis at 30:70 blend have brake horse power and SFC higher than diesel at the speed of 2000rpm hence H. Sabdariffa - 7 - blend of 40:60 and H. Surattensis blend of 30:70 blend can be recommended for use in diesel engines without making any engine modifications.en_US
dc.identifier.urihttps://kubanni.abu.edu.ng/handle/123456789/674
dc.language.isoenen_US
dc.subjectPRODUCTIONen_US
dc.subjectPERFORMANCEen_US
dc.subjectEVALUATIONen_US
dc.subjectBIODIESELen_US
dc.subjectHIBISCUSen_US
dc.subjectSABDARIFFAen_US
dc.subjectHIBISCUSen_US
dc.subjectSURATTENSISen_US
dc.titlePRODUCTION AND PERFORMANCE EVALUATION OF BIODIESEL FROM HIBISCUS SABDARIFFA AND HIBISCUS SURATTENSISen_US
dc.typeThesisen_US
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