I would always assume that adsorption requires clean gas. Biogas is not methane. It has hydrogen sulphide and CO2 in abundance and would have to be cleaned. Natural gas probably too. Filtration is much easier these days.
Perhaps our resident chemistry professor would care to make a comment.
Kirk
Zeke Yewdall <[EMAIL PROTECTED]> wrote:
Zeke Yewdall <[EMAIL PROTECTED]> wrote:
If it's like the hydride storage of hydrogen, you get it out of the "sponge" by heating it. And when you are putting it in, it released alot of heat (just as if you were compressing gas).
I bet small contaminations (such as from biogass produced methane) would poison the sponge -- I know that the hydride storage tanks are pretty sensitive to that.
Zeke
On 7/18/06, Kurt Nolte <[EMAIL PROTECTED]> wrote:Interesting indeed, but what I don't see is how densely the gas is
thereafter stored. As in, for a say 10-gallon gas tank sized bundle of
these briquettes, how much gasoline equivalent natural gas is being
stored? A gallon per gallon equivalent? Two? Three? How much does the
whole assemblage, tank plus briquettes plus gas, weigh compared to a
tank of gas or ethanol? For that matter, how's the gas extracted if the
carbon pores "soak methane up like a sponge?"
These are the questions whose answers interest me most.
-Kurt
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