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From Waste to Energy: Utilization of a Common Tropical Fly, Black Soldier Fly

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From Waste to Energy: Utilization of a Common Tropical Fly, Black Soldier Fly

Objective

Upcycling the world’s waste by taking advantage of the Black Soldier Fly’s unique life cycle

Reducing the production cost of larvae oil to Fatty Acid Methyl Esters (FAME) a.k.a. biodiesel

Studying the feasibility of BSF biodiesel in a commercialized Compression Ignition Engine
 
Introduction
•As global population is expected to rise 30% by 2050, innovative and efficient methods need to be used to upcycle waste streams and address the need for cleaner forms of energy
•Conversion of crops to biofuels with 13% of the world still undernourished is not feasible
•The Black Soldier Fly solves both these problems through biomass conversion. They feed on organic waste that can then be turned into protein feed and crude oil for biodiesel production 
 
Methodology
•The chemical agents used were research graded and the base diesel fuel, US No.2 Diesel, was sourced from Coryton Advanced Fuels
•This study sourced its transesterification parameters from the Box Box-Behnken design in Minitab
•The ester content in the biodiesel was determined using an Agilent 7890A gas chromatography–Agilent 5975C mass spectroscopy (GC–MS) coupled with a flame ionization detector (FID) equipped with HP-5MS (19091S-433, Agilent) column (30m×250µm i.d.; 0.25 µm film thicknesses) and calculated by Effective Carbon Number (ECN)
•The variety of produced BSF biodiesel was blended with US No.2 Diesel by volume percentage for further analysis
 
Conclusion
•In the one-step conversion process, the Analysis of Variance (ANOVA) shows that the two most significant factors are the catalyst loading and fat to methanol ratio, the effects of temperature and reaction time were negligible in contributing to the conversion quality
•Response Surface Method (RSM) optimizes the parameters at which to achieve the minimum ester content specified by European Standards EN 14214: 75 ℃, fat to methanol weight ratio of 4, 1.5233% NaOH loading, and a reaction time of 30 minutes
•The study of basic combustion properties proves its compatibility as well as applicability in a diesel engine according to standards specified by ASTM D6751
•The distinctive BSFME profile, containing mostly methyl laurate (C12:0) demonstrated superiority among the biodiesels derived from sunflower oil and waste cooking oil
 
KAUST STARTUP
RenEn is an innovative startup that provides radical solutions to upcycle various types of waste into environmentally friendly hydrocarbons
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