[Gasification] Compression question

[doug.williams]

William,

You tell me:

> I know there are filters that allow for oxygen concentration, what
> about a filter for methane?

If you understand how membrane filtration works, you will know that they are 
both slow and expensive. As far as methane goes, try asking a digester 
specialist, because methane in producer gas means tar once you go over about 
2-3% by volume. this is a kiss of death to any filtration system, engines 
and compressors.
>
> Sure, you get synthesis gas from running on pure O2.   And
> concentrating O2 costs money.

So it is cheaper to concentrate methane?
>
> But if you could at least discard the nitrogen before compression.

Nobody will stop you from doing anything that you consider right for your 
situation, and if you have the finance to set up gas separation systems, 
then it is a good investment, and you will be driving on tanked gas, while 
some will choose the mobile option. I have no preferences myself, but know 
from experience that the mobile option is pretty good.

Doug Williams,
Fluidyne Gasification.


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