Wednesday, May 25, 2011

Waste Heat Recovery: The Next Wave of Clean Tech (Environmental News Network)

The terms renewable energy and clean technology conjure up images of
photovoltaic panels baking in the desert sun, wind turbines rotating lazily in
the wind, and large dams generating hydro-power. However, there is another
important and growing clean energy technology that the average consumer hasn't
heard of yet: waste heat recovery. Waste heat recovery employs a process that
has been around since the 1960s called the organic Rankine cycle (ORC), which
easily integrates into existing manufacturing infrastructures. ORC units
capture heat that is currently being released into the atmosphere and converts
it into useable CO2-free electricity. This technology has a small footprint,
approximately the size of a tractor trailer flatbed and interest in systems
that use this energy generating skid is on the rise as companies look to
maximize the efficiency of existing investments and infrastructures. The
market for waste heat recovery is virtually limitless. According to
researchers at University California Berkley, the U.S. currently consumes
about 100 quadrillion BTUs of energy per year. However, between 55 and 60
quadrillion BTUs are currently vented into the atmosphere as waste heat. With
ORC technology these emissions are harnessed on-site to generate useable
CO2-free electricity that is fed directly ...
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Source: http://news.feedzilla.com/en_us/stories/society/environment/93378493?client_source=feed&format=rss

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