Found an efficient way to convert brewery grain waste into fuel
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Researchers have developed a technology for converting barley leftovers from breweries into carbon fuel.
Breweries dump huge amounts of unused grain every year, but chemists at Queens University in Belfast have found a cost-effective solution to convert this waste into useful products..
The method developed by the team consists of just a few steps. First, the grain is dried, after which it is subjected to a two-stage chemical and thermal treatment with using phosphoric acid, and then washed with potassium hydroxide. After this remains activated carbon and valuable carbon nanotubes.
The final product can be formed into pellets and used as fuel for heating houses, producing water filters or charcoal for barbecues..
Since the chemical solutions used are readily available and cheap, such processing is cost effective. In addition to the high rates of profitability of synthesis, an additional benefit lies in the parallel disposal of production waste and resource savings.
This direction even an oil and gas company got interested BP, which plans to build new venture in Brazil and annually produce 2 billion liters of biofuel there.
text: Ilya Bauer, photo: Shutterstock
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