AI Article Synopsis
- Biodiesel was produced with a higher yield from microalgae (Nannochloropsis sp. and Tetraselmis sp.) using a technique called simultaneous cooling and microwave heating (SCMH).
- Compared to conventional heating (CH) and microwave heating (MWH), SCMH yielded superior results, showing 83.33% from Nannochloropsis sp. and 77.14% from Tetraselmis sp.
- The optimal conditions for SCMH included using a microwave set to 50°C for 16 hours, alongside cooling at 15°C, resulting in biodiesel with good ignition and lubricating properties based on GC analysis.
Article Abstract
Biodiesel with improved yield was produced from microalgae biomass under simultaneous cooling and microwave heating (SCMH). Nannochloropsis sp. and Tetraselmis sp. which were known to contain higher lipid species were used. The yield obtained using this novel technique was compared with the conventional heating (CH) and microwave heating (MWH) as the control method. The results revealed that the yields obtained using the novel SCMH were higher; Nannochloropsis sp. (83.33%) and Tetraselmis sp. (77.14%) than the control methods. Maximum yields were obtained using SCMH when the microwave was set at 50°C, 800W, 16h of reaction with simultaneous cooling at 15°C; and water content and lipid to methanol ratio in reaction mixture was kept to 0 and 1:12 respectively. GC analysis depicted that the biodiesel produced from this technique has lower carbon components (<19 C) and has both reasonable CN and IV reflecting good ignition and lubricating properties.
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| http://dx.doi.org/10.1016/j.biortech.2014.10.015 | DOI Listing |
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