transesterification over Mg–Zr solid base catalyst were investigated through both conventional method and one-step method. One-step method … realizes the convenient in situ separation of catalyst from microalgae residue which can be easily used consequently, reducing …

The waste Capiz shell was utilized as raw material for catalyst production for biodiesel preparation. During … catalyst for transesterification reaction between palm oil and methanol to produce biodiesel. The biodiesel preparation was … reaction temperature was 60 °C for 4, 5, and 6 h reaction time. The amount of catalyst was varied at 1, 2, 3, 4, and 5 wt …