[Gasification] Enventix: Syngas and Biochar from Waste

GF gfwhell at aol.com
Mon Jan 17 22:58:52 CST 2011 

 Brian.
I have brought this matter up on several occasions regarding  secondary exposure of thermal energy to the output gas.
It seems to me that raising the temperature within a reaction chamber in the absence of oxygen and adding steam through a hollow carbon rod,
the tip of which is producing a plasma can only improve the quality and quantity of usable gas, which will more than compensate for the electrical energy used.

 There will be a considerable reduction in the flow of air for pyrolysis. In fact commercial plasma reactors do not require any air for combustion the oxygen is derived from steam. Use could be made of the hot exhaust stream from an ICE  to torrify the "FUEL" in order to produce the required gas flow  through such a reactor, thus claiming much of the thermal energy being wasted. the final product would also produce methanol not tar.
I hope to obtain a high enough plasma temperature with the use of micro wave excitation, 2.4 Ghz radiation can travel through some types of refractory.
this will cut costs considerably.

GfWHELL


 

 

-----Original Message-----
From: Jim Leach <jleach at danatech.net>
To: 'Discussion of biomass pyrolysis and gasification' <gasification at lists.bioenergylists.org>
Sent: Mon, Jan 17, 2011 6:21 pm
Subject: Re: [Gasification] Enventix: Syngas and Biochar from Waste


I have to warn you that such a plan has been tried by some very capable
people and the energy cost was found to be excessive.

Best Regards, 


JAMES T. LEACH, P.E.
President
 
DANA TECHNOLOGIES, INC.
32242 Paseo Adelanto, Suite D
San Juan Capistrano, CA 92675
Ph 949-496-6516
Fx 949-496-8133
Mobile 949-933-6518

-----Original Message-----
From: gasification-bounces at lists.bioenergylists.org
[mailto:gasification-bounces at lists.bioenergylists.org] On Behalf Of Brian D
Paasch
Sent: Monday, January 17, 2011 2:37 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Enventix: Syngas and Biochar from Waste

I would very much like to add a small plasma punch to our gasifier outlet.
Was sharing that thought with someone at church Sunday (yesterday) and he
suggested I look at welding equipment. And now here is Tom implying the same
thing. Two in two days.... need to think about this more....

-brian


On Jan 17, 2011, at 1:14 PM, Thomas Reed wrote:

> Dear Tom, Jeff and all
> 
> In the 1950s I Worked at the Linde Air (now Praxair) Company and was
director of welding research for a time.  We had a number of physicists
doing basic research, plus a lot of applied development work.  I hold
several patents on plasma torches, and am glad to see this discussion of the
merits of combining a small plasma input to aid pyrolysis.  
> 
> I hope most of this work is using graphite cathode (DC) or AC electrodes.
They are cheap, ell developed, and relatively citable compared to all
others.
> 
> Forward!
> 
> Tom Reed - Pyrologist
> 
> 
> 
> 
> 
> Dr Thomas B Reed
> President, The Biomass Energy Foundation www.Woodgas.com
> 
> On Jan 17, 2011, at 9:55 AM, "Tom Miles" <tmiles at trmiles.com> wrote:
> 
>> Jeff,
>> 
>> There seem to be two approaches to using plasma in biomass 
>> gasification: as an igniter and as a reformer. Two companies use the 
>> plasma as a super "hot plate" that they dump biomass onto in an 
>> updraft gasifier. This is the AlterNRG approach. 
>> http://www.alternrg.ca/ 
>> http://alternrg.com/plasma_market_solutions/biomass_to_ethanol
>> They are able to make a gas that is low in oxygen and rich in CO and 
>> H2 while supplying only about 3% of the input energy as electricity. 
>> The rest is from the biomass.
>> 
>> There are other plasma reformers coupled with updraft gasifiers. 
>> There was a project proposed in Canada using this approach with a PRM
gasifier.
>> http://gasifiers.bioenergylists.org/prmemay2007 
>> http://www.prmenergy.com/ I don't know if this project has snapped,
crackled or popped.
>> 
>> Los Angeles Country looked at plasma gasifiers for waste a couple of 
>> years go.
>> http://dpw.lacounty.gov/epd/tf/Attachments/SubCommittee%20Attachments
>> /CT_Eva
>> l_Rpt_App.pdf
>> 
>> Tom
>> 
>> 
>> -----Original Message-----
>> From: gasification-bounces at lists.bioenergylists.org
>> [mailto:gasification-bounces at lists.bioenergylists.org] On Behalf Of 
>> Jeff Davis
>> Sent: Sunday, January 16, 2011 6:58 PM
>> To: Discussion of biomass pyrolysis and gasification
>> Subject: Re: [Gasification] Enventix: Syngas and Biochar from Waste
>> 
>> Dear Tom,
>> 
>> I've often thought that a modified updraft gas producer coupled to a 
>> plasma reactor could be a lot of fun when working with waste feedstocks.
>> 
>> 
>> Snap crackle and pop,
>> 
>> 
>> Jeff
>> 
>> 
>> 
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