A research group led by Washington State
University scientists has found a way to turn daily plastic waste products into
jet fuel. The research has been published in the journal Applied Energy.
The research team had tested low-density
polyethylene and mixed a variety of waste plastic products, like water bottles,
milk bottles, and plastic bags, and ground them down to around 3mm
The plastic granules were then placed on top of
activated carbon in a tube reactor at a high temperature, ranging from 430 degrees
Celsius to 571 degrees Celsius. The carbon is a catalyst, or a substance that
speeds up a chemical reaction without being consumed by the reaction.
After testing several different catalysts at
different temperatures, the best result they had produced a mixture of 85% jet
fuel and 15% diesel fuel.
Plastic pollution is one of the biggest
environmental crisis today. Researchers estimate that more than 8.3 billion
tonnes of plastic has been produced since the early 1950s. About 60% of that
plastic has ended up in either a landfill or the natural environment.
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