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    Synthesis of cracked Calophyllum inophyllum oil using fly ash catalyst for diesel engine application

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    Type
    Article
    Authors
    Muthukumaran, N.
    Saravanan, Chinnusamy G.
    Prasanna Raj Yadav, S.
    Vallinayagam, R.
    Vedharaj, S.
    Roberts, William L. cc
    KAUST Department
    Clean Combustion Research Center
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    high-pressure combustion (HPC) Research Group
    Date
    2015-04-17
    Online Publication Date
    2015-04-17
    Print Publication Date
    2015-09
    Permanent link to this record
    http://hdl.handle.net/10754/564198
    
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    Abstract
    In this study, production of hydrocarbon fuel from Calophyllum inophyllum oil has been characterized for diesel engine application, by appraising essential fuel processing parameters. As opposed to traditional trans-esterification process, the reported oil was cracked using a catalyst, as the latter improves the fuel properties better than the former. In a bid to make the production process economically viable, a waste and cheap catalyst, RFA (raw fly ash), has been capitalized for the cracking process as against the conventional zeolite catalyst. The fuel production process, which is performed in a fixed bed catalytic reactor, was done methodologically after comprehensively studying the characteristics of fly ash catalyst. Significantly, fly ash characterization was realized using SEM and EDS, which demarcated the surface and internal structures of fly ash particles before and after cracking. After the production of hydrocarbon fuel from C. inophyllum oil, the performed compositional analysis in GC-MS revealed the presence of esters, parfins and olefins. Followed by the characterization of catalytically cracked C. inophyllum oil, suitable blends of it with diesel were tested in a single cylinder diesel engine. From the engine experimental results, BTE (brake thermal efficiency) of the engine for B25 (25% cracked C. inophyllum oil and 75% diesel) was observed to be closer to diesel, while it decreased for higher blends. On the other hand, emissions such as HC (hydrocarbon), CO (carbon monoxide) and smoke were found to be comparable for B25 with diesel. © 2015 Elsevier Ltd. All rights reserved.
    Citation
    Muthukumaran, N., Saravanan, C. G., Prasanna Raj Yadav, S., Vallinayagam, R., Vedharaj, S., & Roberts, W. L. (2015). Synthesis of cracked Calophyllum inophyllum oil using fly ash catalyst for diesel engine application. Fuel, 155, 68–76. doi:10.1016/j.fuel.2015.04.014
    Publisher
    Elsevier BV
    Journal
    Fuel
    DOI
    10.1016/j.fuel.2015.04.014
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.fuel.2015.04.014
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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