The potential of heat power
“More than 50% of all energy in the world is lost as excess heat. Most of this excess heat is lost in the temperature range of 50-120 degrees Celsius, and comes from sources such as steel plants, aluminum plants, ship engines, power plants etc. It’s currently dumped into our oceans or poured out to the air through chimneys. Heat is also available from renewable sources, especially geothermal heat, allowing electricity production based on the heat found a few thousand meters down.
According to World Wildlife Fund (WWF), if as little as 10% of waste heat solely from industries and merchant vessels was recycled, it would save 21.6 million tons of CO2 emissions over a 10 year period. This is comparable to the amount of CO2 emissions Greece produces every year.”
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