Showing 161 - 180 results of 4,607 for search '((pinna OR (rinse OR line)) OR ((spingat OR (((peng OR sming) OR pan) OR main)) OR pin))', query time: 0.07s Refine Results
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    Crab and cockle shells as heterogeneous catalysts in the production of biodiesel by Maniam, Gaanty Pragas, Boey, Peng-Lim, Abd Hamid, Shafida

    Published 2010
    “…Characterization results revealed that the main component of the shells are calcium carbonate which transformed into calcium oxide upon activated above 700 °C for 2 h. …”
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    Proceeding Paper
  13. 173

    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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    Article
  14. 174

    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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    Article
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