Autounion; RonJHall suggested I get into this thread. As it turns out, the subject appears to have come around to Fossil Fuel Power Plants. I really didn't care about the gas prices that much so I wasn't reading this thread.
Any way, I'm at the DTE Monroe Power Plant. [My plants bigger than yours] /forums/images/graemlins/tongue.gif We also have SCR's installed on two of our Units. Each is good for about 765 net megawatts. We are also in the process of selecting scrubbers that are to be installed on one of the units to be operational sometime in 2007. I'm one of the guys that just came back from New Brunswick to visit a couple plants with the scrubbers made by B&W.
Someone mentioned coal ground up to a fine powder and being injected into the furnace. Right you are, it's about the consistincy of face powder when "blown" into the firebox. We blend our coal for sulfur content due to EPA regulations.
The Selective Catalyst Reactors [SCR] are used to reduce the amount of NOx we release. That's that yellow haze you see on sunny days, it's not sulfur like most people think, the NOx reacts with sunlight and becomes the yellow haze.
As far as toxic gasses being released from burning coal, guess what, ANYTHING that is combusted produces toxic gasses, coal, nat gas, wood, paper, even metals like steel and iron. There is actually no known material that can't burn, even asbestos with enough Btu's added.
Natural gas? The only reason that it's being used for power generation is because it's cleaner than coal, the plants are cheaper to build, and they don't require massive amounts of anti-pollution equipment. But, on the same token, gas doesn't have the Btu's per pound that coal does, in other words it takes more pounds of gas to generate the same amount of heat as a pound of coal.
Man, I'm glad I'm almost done. Anybody in the area want to go through a real powerplant? Just PM me, I'll give you a one on one tour. /forums/images/graemlins/grin.gif
But yet, I really wish diesel prices would return to some kind of reality. /forums/images/graemlins/mad.gif