"For every final barrel of bourbon produced, there are six to ten times that number of barrels of wasted stillage. This waste is often sold to farmers as livestock feed or soil additives, but drying it out is expensive and transportation is difficult."
"Chemists at the University of Kentucky developed a method to transform that stillage into electrodes and used those electrodes to build supercapacitors with energy storage capacity on par with existing commercial devices."
"The barrels used for aging bourbon are never reused for bourbon production. They are typically recycled for making barrel-aged beer, wine, and even barbecue and hot sauces."
Bourbon production generates significant waste, with six to ten barrels of stillage produced for every barrel of bourbon. Researchers at the University of Kentucky have created a method to transform this stillage into electrodes for supercapacitors. These supercapacitors have energy storage capabilities comparable to existing commercial devices. The process not only addresses the waste issue but also provides a new application for the byproduct of bourbon distillation, which is often sold as livestock feed or soil additives.
Read at Ars Technica
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