NewNergy

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

New Biofuel Made of coffee grounds leftovers

Coffee and biofuels just became one. A team of experts from the University of Nevada have managed to obtain diesel fuel from coffee grounds leftovers.

It's not even hard to do, claimed the team, comprised of Mano Misra, a professor of engineering, Narasimharao Kondamudi, and Susanta K. Mohapatra. They stated having employed regular chemistry techniques both in order to extract the oil they needed for the process from the coffee grounds and to turn it into fuel. Also, the whole process did not require more energy than the typical fuel manufacturing, and the price of the biofuel was estimated at about one dollar per gallon (some 22 cents per liter).

Based on 50 pounds (23 kg) of material bought from Starbucks stores, their analyses indicated that some 10-15% of the coffee waste weight represented extractable oil. But obtaining the waste may prove harder than extracting its oil, since there are only a few places this could be bought from, such as the bulk roaster that the researchers will use for their program.But coffee won't be the next major breakthrough in fuel industry. Actually, all the coffee waste on the planet could only produce about 1% of the US diesel requirements for a year.

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