[Gasification] why do liquifaction proceses require nitrogen-less synthesis gas?

[Jeff Davis]

On Sunday 28 January 2007 05:45 am, jim mason wrote:
> all the processes assume starting with a synthesis gas that is only CO
> and H2.  no tars and co2 is scrubbed out.  so usually you start with
> an oxygen blown gasifier, or a external combustor dual FLB sort of
> system, so that the produced gas is without nitrogen.  which is lots
> of work, obviously.

How about steam blown for your needed gases then air blow to restore the 
temperature. Alternate back and forth.

I think Kevin answered the N2 question.

Jeff



-- 
Jeff Davis
Somewhere 20 miles south of Lake Erie, USA
http://www.velocity.net/~jeff0124