Conversion of Solid Organic Wastes into Oil via Boettcherisca peregrine (Diptera: Sarcophagidae) Larvae and Optimization of Parameters for Biodiesel Production
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Property of the BPL oil-based biodiesel are within the specifications of ASTM D6751, suggesting that the solid organic waste-grown BPL could be a feasible non-food feedstock for biodiesel production.Abstract:
The feedstocks for biodiesel production are predominantly from edible oils and the high cost of the feedstocks prevents its large scale application. In this study, we evaluated the oil extracted from Boettcherisca peregrine larvae (BPL) grown on solid organic wastes for biodiesel production. The oil contents detected in the BPL converted from swine manure, fermentation residue and the degreased food waste, were 21.7%, 19.5% and 31.1%, respectively. The acid value of the oil is 19.02 mg KOH/g requiring a two-step transesterification process. The optimized process of 12∶1 methanol/oil (mol/mol) with 1.5% H2SO4 reacted at 70°C for 120 min resulted in a 90.8% conversion rate of free fatty acid (FFA) by esterification, and a 92.3% conversion rate of triglycerides into esters by alkaline transesterification. Properties of the BPL oil-based biodiesel are within the specifications of ASTM D6751, suggesting that the solid organic waste-grown BPL could be a feasible non-food feedstock for biodiesel production.read more
Citations
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The use of fly larvae for organic waste treatment.
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Conversion of organic wastes into fly larval biomass: bottlenecks and challenges
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Enzymatic production of biodiesel from insect fat using methyl acetate as an acyl acceptor: Optimization by using response surface methodology
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TL;DR: This study indicates that the enzymatic interesterification of BSFL fat with methyl acetate is a promising and ecofriendly method for green fuel production.
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Lipase-catalyzed synthesis of biodiesel from black soldier fly (Hermetica illucens): Optimization by using response surface methodology
TL;DR: In this paper, the transesterification of black soldier fly larvae (BSFL) fat and methanol was catalyzed using lipases to produce environmentally friendly biodiesel Different commercial lipases were evaluated for their catalytic activity in the reaction among the examined biocatalysts, Novozym 435, an immobilized enzyme, showed the highest activity level Response surface methodology was subsequently used to optimize the lipase-catalyzed reaction and to develop a reliable empirical model for prediction.
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Optimization of the Production of Enzymatic Biodiesel from Residual Babassu Oil (Orbignya sp.) via RSM
Katerine da Silva Moreira,Lourembergue Saraiva de Moura Junior,Rodolpho R. C. Monteiro,André L. B. de Oliveira,Camila Peixoto do Valle,Tiago M. Freire,Pierre Basílio Almeida Fechine,Maria Cristiane Martins de Souza,Gloria Fernández-Lorente,Jose M. Guisan,José C. S. dos Santos +10 more
TL;DR: In this paper, the authors used response surface methodology (RSM) and a central composite design (CCD) to optimize the esterification and study the effects of four factors (molar ratio (1:1-1:16, free fatty acids (FFAs) /alcohol), temperature (30-50 °C), biocatalyst content (0.05-0.15 g) and reaction time (2-6 h)).
References
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TL;DR: The main factors affecting transesterification are the molar ratio of glycerides to alcohol, catalyst, reaction temperature and pressure, reaction time and the contents of free fatty acids and water in oils as mentioned in this paper.
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Feasibility of edible oil vs. non-edible oil vs. waste edible oil as biodiesel feedstock
TL;DR: In this paper, the advantages and disadvantages of using non-edible vs. waste edible oil (WEO) as feedstock for biodiesel production were discussed and a proposed solution was presented.
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From organic waste to biodiesel: Black soldier fly, Hermetia illucens, makes it feasible
TL;DR: In this article, the larvae of a high fat containing insect, black soldier fly (Hermetia illucens) (BSFL), was evaluated for biodiesel production, where the larvae were grown on organic wastes for 10 days and used for crude fat extraction by petroleum ether.