The most global and one of the worstThe problems that the Earth is facing now are an abundance of plastic waste. According to the calculations of environmentalists, there are currently about 5 billion tons of plastic in landfills and oceans, emitting toxic chemicals and polluting the habitats of animals and people. Scientists are looking for a way to eliminate this problem: someone creates environmental materials, and someone comes up with technology to turn waste into fuel. A group of chemists from Purdue University recently shared their development.
She developed a process that is capableturn plastic waste into a substance similar to gasoline and diesel fuel. The raw material for its creation is polypropylene, which is contained in plastic toys, medical devices and food packaging. The idea of researchers is to burn propylene polymers and dissolve them in the water between the liquid and gaseous state.
It is noteworthy that the process must be carried outat a temperature of 380-500 degrees Celsius and a pressure of 2300 times higher than above sea level. The transformation takes place over one hour - after this time, the researchers get fuel of such purity that it can be used in cars and other equipment.
According to lead researcher Linda Wang,polypropylene accounts for about a quarter of 5 billion tons of plastic waste in the world. Their technology can turn 90% of polypropylene into useful fuel. When exactly the technology will be implemented on a large scale is unknown, but the developers are hoping for great interest from the recycling industry.
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