Clean-energy opportunities are many and will be realized if energy policy can both promote the efficiency of our energy system and sustainable development of a full complement of renewables: solar, wind, geothermal, hydro, and biomass.
As America begins to back away from fossil fuels, consumers are more and more ready to transition to affordable and sustainable sources of renewable energies. The recently proposed Renewable Electricity Standard (RES) is gaining considerable support in Congress and among the general public. As written however, it inadvertently is poised to waste large amounts of renewable thermal energy and needs more careful crafting.
One of the largest sources of renewable energy available today is one of the oldest, that is direct combustion of wood. Recent European developments in advanced wood combustion (AWC, defined as automated, high-efficiency wood-fired energy systems with strict air pollution control) have wood supplying thermal and electrical energy cleanly and reliably to thousands of communities in Europe and increasingly in North America. AWC minimizes air pollutants including fossil greenhouse gases.
AWC is so clean and safe that AWC systems are commonly deployed in the midst of picture-perfect European towns and villages. Because AWC systems can be developed in community-sized increments of 0.1 to 20 MWth, they can be managed to meet community needs and not overwhelm the productivity of local woodsheds.
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Showing posts with label Alternative Energy. Show all posts
Showing posts with label Alternative Energy. Show all posts
Wednesday, July 1, 2009
Tuesday, June 30, 2009
Energy Futures A quick guide to alternative energy
By now, you’ve heard it in a thousand political speeches—the shopping-list-style recitation of newfangled-sounding alternative energy sources and technologies. Clean coal! Solar and wind! Switch grass!
Yet few people take the trouble to examine the energy technology field as a whole, comparing a cross-section of future sources across the same set of objective criteria, especially price. The following is reason’s attempt to rectify this gap, giving consumer and policymaker alike a quick guide to alternative energy.
Supercritical pulverized coal
Pulverizing coal is the predominant method for generating electricity in the U.S. and around the world. In a pulverization plant, coal, after being ground to the texture of flour, is blown into a furnace to burn. This converts circulating water into steam, which turns the blades of a turbine to produce electricity. “Supercritical” units heat up to 1,000 degrees Fahrenheit and make steam at 3,600 pounds per square inch.
To read full article, click here.
Air Pollution Control Systems
Your One-Stop Online Source
For anything and everything
About Air Pollution Control Systems
Yet few people take the trouble to examine the energy technology field as a whole, comparing a cross-section of future sources across the same set of objective criteria, especially price. The following is reason’s attempt to rectify this gap, giving consumer and policymaker alike a quick guide to alternative energy.
Supercritical pulverized coal
Pulverizing coal is the predominant method for generating electricity in the U.S. and around the world. In a pulverization plant, coal, after being ground to the texture of flour, is blown into a furnace to burn. This converts circulating water into steam, which turns the blades of a turbine to produce electricity. “Supercritical” units heat up to 1,000 degrees Fahrenheit and make steam at 3,600 pounds per square inch.
To read full article, click here.
Air Pollution Control Systems
Your One-Stop Online Source
For anything and everything
About Air Pollution Control Systems
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