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|Subject: Re: OT: Fuel Cells for remote site||Date: 3/28/2001 2:58 PM|
|Author: metallurge||Number: 34874 of 788914|
<duggg writes an excellent discussion of on-site power generation versus grid losses, including this line:>
How is its pollution disposed of?
... to which I (metallurge) respond,
With most of the currently feasible fuels being converted on-site into the hydrogen needed to feed the fuel cell, there are essentially four things the fuel cell process produces:
3) nearly pure water
Now, the CO2 produced is substantially less (like 1/4 to 1/2, depending on whether you can use that heat or not) than would have been produced through traditional electrical generation methods.
Other pollutants like CO, NOx, NO, SOx are in the <1 ppm range from the data I've seen.
FWIW, the number I've seen for electrical transmission line losses in the US is 3-7%.
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