30 Mar '13, 4am

Study: ‘Waste heat’ May Reduce Costs for CO2 Capture #greenbuilding

Power plants fired by coal and natural gas account for about half of the CO2 that humans add to the atmosphere each year; these power plants are prime candidates for new technology that captures CO2 before it goes up in smoke. Each of these plants makes electricity by boiling water to create steam to run electric turbines. But not all steam is equal. Some steam has insufficient energy to run a turbine. This is often referred to as “waste” heat, although the term is something of misnomer because low-grade steam is often put to various uses around a plant. Rice’s new study found that in cases where waste is available, it may be used to capture CO2.

Full article: http://greenbuildingelements.com/2013/03/29/study-waste-h...

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