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    Biodiesel production via transesterification of palm olein using waste mud crab (Scylla serrata) shell as a heterogeneous catalyst by Boey, Peng-Lim, Maniam, Gaanty Pragas, Abd Hamid, Shafida

    Published 2009
    “…Characterization results revealed that the main component of the shell is calcium carbonate which transformed into calcium oxide when activated above 700 �C for 2 h. …”
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  3. 203

    Utilization of waste crab shell (Scylla serrata) as a catalyst in palm olein transesterification by Boey, Peng-Lim, Maniam, Gaanty Pragas, Abd Hamid, Shafida

    Published 2009
    “…Preliminary XRD results revealed that thermally activated crab shell contains mainly CaO. Parametric study has been investigated and optimal conditions were found to be methanol/oil mass ratio, 0.5:1; catalyst amount, 4 wt. %; and reaction temperature, 338 K. …”
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