Apart from establishing a discrete link between theoretical and practical concepts, tis experiment also aims at promoting individual participation in group work. I addition, srict adherence to all synthesis steps helps students in learning about procedural execution of laboratory processes. I order to optimize the synthesis process and ensure production of quality biodiesel, tis experiment will be conducted in a strategic and procedural manner. Te first strategy involves establishing harmony between materials and equipment available with the identified method of synthesis. Bsed on theoretical concepts, tere are numerous used in synthesis of biodiesel.
Hwever, tese methods differ in terms of product quality and percentage yield. Iasmuch as the proposal describes an experimental design of synthesizing biodiesel, al strategic measures will have to be integrated in the planning stage in order to ensure production of quality fuel that meets the requisite physical and chemical properties. Wth respect to materials present, tis experiment adopts the base-catalyzed process in synthesis of the fuel. Pocedures involved in production starts with mixing and heating the vegetable oils to approximately 60oC, fllowed by suitable solvent like ethanol to ensure uniform distribution of functional groups within the mixture (Tuohy and Saddler 31).
Tis is succeeded by adding either sodium or potassium hydroxide and methanol into the mixture, fllowed by refluxing the fluid within a reaction vessel for about 3 hours at 60-70oC. Eentually, te final product will be poured out from the vessel, sparated and purified. Dring the testing process, pysical properties of viscosity and enthalpy of combustion will be analyzed using gravimetric and ignition techniques respectively. O the other hand, te chemical of pH and emissions will be checked using universal indicator scales and emission spectrometer set-up respectively.
Pocedures and synthesis method adopted in the preceding section are based on both the physical and chemical properties of materials and products within the synthesis line. Frst, aid-catalyzed transesterification is slower compared to base-catalyzed process. Aid catalyzed process requires approximately 21 hours of refluxing the mixture (Tuohy and Saddler 47). Hwever, bse-catalyzed synthesis optimizes reflux time and improves percentage yield. I terms of physical properties, bodiesel. ..
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