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Breakthrough in sustainable diesel production

19th February 2019


A new technology that converts biogas into a high-grade liquid fuel that can be used as a direct replacement for fossil fuels is being showcased for the first time at Alliance Dairies in Florida. The process developed by UK-based technology company Renovare Fuels allows biogas from waste material to be used as a direct replacement for traditional fossil fuels, with the potential to displace billions of litres of fossil fuel each year.

 
“There has been a significant push to recycle plastic and paper products over the past two decades, but we aren’t seeing the same push to reuse biodegradable waste like food-waste and agricultural materials,” explained Devin Walker, CTO at Renovare Fuels. “That leaves a lot of potential fuel sources lying in landfills. Processes like anaerobic digestion (AD) can be used to produce fuels, but the overall process hasn’t previously been particularly efficient.
 
“By using a specially developed Fischer-Tropsch synthesis catalyst and advanced process engineering techniques, Renovare Fuels’ technology can efficiently turn biogas into middle distillate fuel. The feedstock is sourced locally to the site and classified as a waste product, so the production cycle is objectively carbon neutral.
 
“We estimated using the greenhouse gas methodology in the EU’s Renewable Transport Fuel Obligation (RTFO) that the entire logistical supply chain, from feedstock collection to storage and refuelling, would produce only three grams of carbon dioxide equivalent per megajoule of biomass. This is only 3% of the 94 grams it would be using fossil fuels.”
 
The abundance of waste products means that the production of the biodiesel promises a low-cost sustainable alternative to fossil fuels. Renovare Fuels believes that the fuel could be priced at under 50 UK pence per litre in a quantity that could reshape the energy sector.
 
Renovare Fuels’ technology was developed at the University of South Florida in conjunction with NASA and the US Department of Energy. The technology previously proved successful in converting biogas into usable diesel during a trial at a US landfill in 2017.
 
In October 2018, Renovare Fuels was awarded Innovate UK support for aviation fuel testing through the Sustainable Aviation Fuel for Clean Growth programme in Sheffield.


 







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