[Gasification] How much ton of biomass will burn to produce 1 ton of CO2?
Greg Manning
a31ford at gmail.com
Mon Mar 25 12:57:45 CDT 2013
Being speculative based on some known facts, I would assume that since 1
ton of biomass (based on Ideal Gasifiction (NOT "syngas", but rather
"woodgas" or "producer gas", an average of small gasifiers is a common CO2
output of approximately 11 to 30 % by volume (See sample GCMS report below)
It would be a qualified guess to say, 7 to 8 tons of biomass, BASED on
reasonable gasification of the said biomass. I am
NOT considering incineration, ONLY "home made" gasification.
Greg Manning,
www.cangas.ca
==========================================
| RT | Compound Name | Amount |
| (min) | | % |
-------------------------------------------
| 1.164|hydrogen | 11.22 |
| 2.251|C7+ | 0.03 |
| 2.399|carbon dioxide | 12.79 |
| 3.209|methane | 1.06 |
| 3.347|ethane | 0.06 |
| 3.473|ethylene | 0.18 |
| 3.857|propane | 0.01 |
| 0.000|cyclopropane | 0.00 |
| 4.537|propylene | 0.04 |
| 4.935|acetylene | 0.00 |
| 5.138|isobutane | 0.00 |
| 5.191|propadiene | 0.00 |
| 5.326|n-butane | 0.00 |
| 0.000|hydrogen sulfide | 0.00 |
| 6.280|t-2 butene | 0.00 |
| 6.362|1-butene | 0.00 |
| 6.536|isobutylene | 0.00 |
| 6.701|c-2-butene | 0.00 |
| 0.000|isopentane | 0.00 |
| 7.407|n-pentane | 0.00 |
| 7.579|1,3 butadiene | 0.01 |
| 7.807|argon-oxygen | 6.84 |
| 7.961|3-methyl-1-butene | 0.00 |
| 8.090|t-2-pentene | 0.00 |
| 8.155|nitrogen | 61.36 |
| 8.240|2-methyl-2-butene | 0.00 |
| 8.296|1-pentene | 0.00 |
| 8.338|2-methyl-1-butene | 0.00 |
| 8.453|c-2-pentene | 0.00 |
| 9.250|C6+ | 0.02 |
| 9.886|carbon monoxide | 6.37 |
Total 100.00
==========================================
On Fri, Aug 19, 2011 at 12:35 PM, A.Saravanakumar
<sara_mnes at rediffmail.com>wrote:
> Dear Booster Reed,
>
> How much ton of biomass will burn to produce 1 ton of CO2?
>
> A. Saravanakumar
>
> On Fri, 19 Aug 2011 00:38:55 +0530 wrote
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> Today's Topics:
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> 1. Re: CO2 emission of whole system for smaall size generator
>
> (20kWe) (GF)
>
> 2. Re: CO2 emission of whole system for smaall size generator
>
> (20kWe) (Arnt Karlsen)
>
> 3. Re: CO2 emission of whole system for smaall sizegenerator
>
> (20kWe) (Thomas Reed)
>
>
>
>
>
> ----------------------------------------------------------------------
>
>
>
> Message: 1
>
> Date: Wed, 17 Aug 2011 21:04:26 -0400 (EDT)
>
> From: GF **
>
> To: gasification at lists.bioenergylists.org
>
> Subject: Re: [Gasification] CO2 emission of whole system for smaall
>
> size generator (20kWe)
>
> Message-ID: <8CE2B59E894A95D-1C20-23C51 at Webmail-m104.sysops.aol.com>
>
> Content-Type: text/plain; charset="utf-8"
>
>
>
>
>
> It is a little known fact that CO2 can be converted into Methane. Years
> ago this was expensive and quite a difficult reaction to perform,
> involving very high pressure and temperature reaction chambers together
> with exotic catalysts. However,over the years since "Sabatier"
> discovered how to perform this remarkable feat, fuel and chemical
> refiners have developed a lower cost approach. But fairly high
> temperatures are still required, making the process expensive.
> Fortunately, there is considerable waste heat available at the exhaust
> manifold of your Engine to supplant some of this cost. Additional heat
> is also required in order to re-arrange the molecules back into fuel,
> this is where a stream of hydrogen from an out side source such as your
> gasifier will help, as will super heated distilled water. The
> additional heat can be provided by a plasma produced by an arc or an
> electrode less plasma produced by Electromagnetic means. nothing more
> than 2kw.
>
>
>
>
>
>
>
> GF
>
>
>
>
>
>
>
>
>
> -----Original Message-----
>
> From: J?r?mie Biton **
>
> To: gasification **
>
> Sent: Wed, Aug 17, 2011 9:45 am
>
> Subject: [Gasification] CO2 emission of whole system for smaall size
> generator (20kWe)
>
>
>
>
>
>
>
>
>
> Hello to all,
>
>
>
> Does anybody have an idea of the CO2 emission after generator?
>
> For comparison, a diesel generator of this size (20kWe) has a rate of
> about 1,1 kgeqCO2/kWh.
>
>
>
> Thanks
>
> Regards
>
>
>
> Jeremy
>
>
>
>
>
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> ------------------------------
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>
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> Message: 2
>
> Date: Thu, 18 Aug 2011 08:46:39 +0200
>
> From: Arnt Karlsen **
>
> To: gasification at lists.bioenergylists.org
>
> Subject: Re: [Gasification] CO2 emission of whole system for smaall
>
> size generator (20kWe)
>
> Message-ID: <20110818084639.0748c1ee at celsius.lan>
>
> Content-Type: text/plain; charset=US-ASCII
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>
>
> On Wed, 17 Aug 2011 21:04:26 -0400 (EDT), GF wrote in message
>
> <8CE2B59E894A95D-1C20-23C51 at Webmail-m104.sysops.aol.com>:
>
>
>
> >
>
> > It is a little known fact that CO2 can be converted into Methane.
>
> > Years ago this was expensive
>
>
>
> ..still is:
>
> http://en.wikipedia.org/wiki/Methane#Atmospheric_methane
>
>
>
> --
>
> ..med vennlig hilsen = with Kind Regards from Arnt Karlsen
>
> ...with a number of polar bear hunters in his ancestry...
>
> Scenarios always come in sets of three:
>
> best case, worst case, and just in case.
>
>
>
>
>
>
>
> ------------------------------
>
>
>
> Message: 3
>
> Date: Wed, 17 Aug 2011 21:38:05 -0400
>
> From: Thomas Reed **
>
> To: Discussion of biomass pyrolysis and gasification
>
> **
>
> Cc: "**"
>
> **
>
> Subject: Re: [Gasification] CO2 emission of whole system for smaall
>
> sizegenerator (20kWe)
>
> Message-ID: **
>
> Content-Type: text/plain; charset="utf-8"
>
>
>
> Jeremy and all
>
>
>
> Both gasoline and diesel are approximately -CH2- chained together.
> Their combustion can be written
>
>
>
> CH2 + 3/2(O2 + 3.76 N2) ==> CO2 + H2O + 5.64 N2
>
> M 14. 44. 18 158. 220
>
>
>
> So the all important Air/Fuel, A/F ratio is 220 /14= 15.7
>
>
>
> The ratio is often given as 14.7. Maybe this is due to the presence of
> unsaturated and aromatics with lower H/C ratios.
>
>
>
> The oxygen sensor is capable of measuring very small amounts of
> unburned fuel or oxygen in the exhaust and adjusting the A/F ratio for
> perfect combustion.
>
>
>
> Diesel combustion is always lean.
>
>
>
> Lucky us that our cars are so clean.
>
>
>
> Tom Reed
>
>
>
>
>
>
>
> On Aug 17, 2011, at 9:44 AM, J?r?mie Biton ** wrote:
>
>
>
> > Hello to all,
>
> >
>
> >
>
> >
>
> > Does anybody have an idea of the CO2 emission after generator?
>
> >
>
> > For comparison, a diesel generator of this size (20kWe) has a rate of
> about 1,1 kgeqCO2/kWh.
>
> >
>
> >
>
> >
>
> > Thanks
>
> >
>
> > Regards
>
> >
>
> >
>
> >
>
> > Jeremy
>
> >
>
> > _______________________________________________
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