NewNergy

NewNergy discusses the latest inventions, innovations and breakthroughs in the energy & environmental sciences.

Biofuel from Waste Fats

UK based biofuel manufacturer, Amplefuel is set to produce 40 million litres of biofuel each year, focusing on making it from used cooking oil and solid fats.The plant, which utilises a variety of feedstocks from waste products, is one of a handful of firms that is able to break the solid fats down to a liquid biodiesel that does not solidify to later cause blockages.

Amplefuel utilise the solid waste fats from cooking that end up in landfill. Around 500kg of this fat is sent to landfill each week from people’s cooking which they put into a container to let it solidify and then leave it with the rest of their rubbish.The plant breaks the solid fat down by heating it and cleaning it of any visible and emulsified water. The two main fats found in solid fat are separated, treated and then cleaned up again and impurities are filtered out. The result is a liquid diesel that is then blended with other materials to ensure it stays liquid at low temperatures, like normal diesel, which solidifies at around -15 degrees Celsius.

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