[Stoves] Exclusion of nitrogen from air

[Steve Taylor]

On 18 March 2012 04:51, Anand Karve <adkarve at gmail.com> wrote:

> Dear workers of stoves and gasifiers,
> when one uses atmospheric air as a source of oxygen, one unnecessarily
> heats up the nitrogen in the air. This nitrogen ultimately goes out of the
> chimney, taking with it a lot of heat. The technologies based on wood as
> fuel are pretty old, but one can revive them, using some of the more recent
> techniques. A person who owns a foundry told me that a moleular sieve was
> now available for separating nitrogen from oxygen. Has anybody heard of it?
> Can it be used in producing a better stove and a better gasifier?
>

The energetics of using molecular sieves - which take a lot of pressure to
force the air through, means you will lose badly if you try to make a stove
work with it.

Steve
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