[Gasification] reducing temp. of gasification

Henri Naths c_hnaths at telusplanet.net
Tue Oct 4 12:52:40 CDT 2011


sorry group my outlook express is  re- senting mail on it's own.
----- Original Message ----- 
From: "Energy7" <Energy7 at telusplanet.net>
To: "Discussion of biomass pyrolysis and gasification" 
<gasification at lists.bioenergylists.org>
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" <adkarve at gmail.com>
> To: "Discussion of biomass pyrolysis and gasification" 
> <gasification at lists.bioenergylists.org>
> 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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>
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