sorry group my outlook express is re- senting mail on it's own.
----- Original Message -----
From: "Energy7" <[email protected]>
To: "Discussion of biomass pyrolysis and gasification"
<[email protected]>
Sent: Sunday, September 11, 2011 3:52 PM
Subject: Re: [Gasification] reducing temp. of gasification
Hi All
I Hope this is not a double post ( I posted this from my I phone earlier
this morning and it has yet to show up )...
Dear A.D. Karve
My exact thought a while ago was to achieve this temperature with an
internal electric arc furnace. The resulting gas can be put thru a
catalyst. Just lately was reminded by a colleague of the efficiency of
electro static precipitators and am presently researching their
compatibility with producer gas.
So : air tight electric arc furnace fed with co2 and preheated feed stock>
catalyst>98%cyclone cleaning>precip> final water filter cooling >dryer >
co2 removal > o2 injection >ice>recycle hot co2 exhaust to preheat feed
stock.
Just an idea.. maybe too complicated? Please send me your ideas.
HN
----- Original Message -----
From: "Anand Karve" <[email protected]>
To: "Discussion of biomass pyrolysis and gasification"
<[email protected]>
Sent: Saturday, September 10, 2011 11:41 PM
Subject: [Gasification] reducing temp. of gasification
Dear All,
one requires about 700C temperature for making producer gas. This is
generally achieved by burning the feedstock itself, for which one
introduces external air into the reactor. As a result, the producer
gas gets diluted by the nitrogen in the air. If the process can be
conducted in a closed vessel, which is heated from the outside, one
can get combustible gas without all the nitrogen, but heating the
feedstock inside a container cannot achieve the temperature that is
required for producing producer gas, so that what one gets is
primarily tar vapour. Has anyone thought of using a catalyst for
getting pyrolysis gas at say 300 C? It would help me greatly, if such
a catalyst were available.
Yours
A.D.Karve
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