Journal
BIORESOURCE TECHNOLOGY
Volume 369, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.128379
Keywords
Biomass; Transesterification; Heterogeneous catalysts; Power demand
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This paper investigates the ball-milling process for biodiesel production using Kraft lignin activated carbon stabilized K2CO3. The biodiesel yield increased to 66% within 5 minutes and reached 100% within 25 minutes under optimal ball-milling conditions. Additionally, the power demand of the ball-milling method was found to be lower than the traditional thermocatalytic method. Therefore, the ball-milling method is an effective and economical process for biodiesel production.
Biodiesel is a typical renewable energy and the previous transesterification processes for biodiesel production mainly focus on thermocatalytic methods. In this paper, the ball-milling process was investigated into the bio-diesel production under Kraft lignin activated carbon stabilized K2CO3. Biodiesel yield increased to 66 % after only 5 min and reached 100 % within 25 min under optimal ball-milling conditions (0.5 g of the catalyst; methanol/oil molar ratio 18:1; 195 g of ball-mill beads; 1400 rpm; 25 degrees C). The power demand between the thermocatalytic method and the ball-milling method was also compared. Based on the computation, the ball-milling method has lower power demand than the traditional method (38 vs 201 kWh.mol(-1)). Therefore, the ball-milling method is an effective and economical process for biodiesel production.
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