Tamarindus Indica fruit shell ash: a low cost and effective catalyst for biodiesel production from Parinari curatellifolia seeds oil

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dc.contributor.author Nabora, Christian S.
dc.contributor.author Kingondu, Cecil K.
dc.contributor.author Kivevele, Thomas T.
dc.date.accessioned 2020-06-10T09:20:39Z
dc.date.available 2020-06-10T09:20:39Z
dc.date.issued 2019-02-21
dc.identifier.uri https://doi.org/10.1007/s42452-019-0256-3
dc.identifier.uri https://dspace.nm-aist.ac.tz/handle/20.500.12479/776
dc.description This research article published by Springer Nature Switzerland AG., 2019 en_US
dc.description.abstract The study evaluated the potential use of agricultural waste, Tamarindus indica fruit shell ash, as a solid base catalyst for production of biodiesel. The catalyst was prepared by calcination of T. indica fruit shell at 800 °C in mufe furnace for 3 h. Branauer-Emmett-Teller, thermal gravimetric analysis, X-ray difraction, scanning electron microscope, X-ray forescence, and Hammett indicator techniques were used to characterize the physicochemical properties of the produced catalyst. The catalyst had basic strength of greater than 9.7 and mesoporous structure with pore size d=3.2 nm. The crystalline phase was made up of calcium oxide, potassium oxide, and magnesium oxide. The catalyst was tested for biodiesel production using Parinari curatellifolia seeds oil. The results showed that the best operating parameters for the production of biodiesel were 9:1 methanol to oil molar ratio, 125 mg catalyst (5 wt% of oil), 2 h reaction time, and 60 °C reaction temperature. These optimized operating parameters aforded a maximum yield of 96.2%. Also, fuel properties of biodiesel: acid value, viscosity, and fash, pour, and cloud points were investigated and compared to the ASTM standards limits D6751. The results were observed to be in good agreement with the ASTM standards limits for biodiesel. In addition, the catalyst was easily separated and subsequently reused for four runs in biodiesel production. Thus, Tamarind fruit shell derived catalyst is very promising for the production of biodiesel due to its high performance, low-cost, easy preparation and availability en_US
dc.publisher Springer Nature Switzerland AG. en_US
dc.subject Tamarindus indica fruit shell en_US
dc.subject Solid base catalyst en_US
dc.subject Parinari curatellifolia en_US
dc.subject Transesterifcation en_US
dc.title Tamarindus Indica fruit shell ash: a low cost and effective catalyst for biodiesel production from Parinari curatellifolia seeds oil en_US
dc.type Article en_US

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