[Gasification] CONSERVATION OF ENERGY

[Thomas Reed]

Mark

See previous comments on keeping the oxide skin thin.  Don't let the powder get hot in the hammer mill.

Tom Reee

Dr Thomas B Reed
President, The Biomass Energy Foundation
www.Woodgas.com

On Jul 12, 2011, at 10:59 PM, "Mark E. Ludlow" <mark at ludlow.com> wrote:

> Dr. Tom,
> 
> Can one hammer mill->ball mill the Al into a powder and burn it directly (stand back!)?
> 
> Mark
> 
>  
> 
> From: gasification-bounces at lists.bioenergylists.org [mailto:gasification-bounces at lists.bioenergylists.org] On Behalf Of Thomas Reed
> Sent: Tuesday, July 12, 2011 5:53 PM
> To: Discussion of biomass pyrolysis and gasification; Art Krenzel
> Cc: Gasification at bioenergylists.org
> Subject: Re: [Gasification] CONSERVATION OF ENERGY
> 
>  
> 
> PS. 
> 
>  
> 
> According to my book, THE FREE ENERGY OF BINARY COMPOUNDS (available at Woodgas.com)
> 
>  
> 
> The Enthalpy of combustion of Al 
> 
>  
> 
> Al + 3/2 O2 ==> 1/2 Al2O3.   Delta H (C) = 178 kcal/mole = 745 kJ/mole.  The MW of Al is 27, so this is 27.6 kJ/g or 12,527 kJ/ lb.  1 kW hr is 3.8 MJ, so this is 3.3 kW hr/lb. 
> 
>  
> 
> Well worth capturing.
> 
>  
> 
> Tom Reed
> 
> 
> Dr Thomas B Reed
> 
> President, The Biomass Energy Foundation
> 
> www.Woodgas.com
> 
> 
> On Jul 12, 2011, at 7:51 PM, GF <gfwhell at aol.com> wrote:
> 
>  
> 
>     
> 
> The other day I posted an article on this site concerning:
> 
> Cornish Hydrogen Generator. Keelynet,  which describes a method of converting
> 
> Aluminum into its oxide and in the process cracks water, freeing up hydrogen for use as fuel for a light car.
> 
> By all accounts, using this gas in the place of any other fuel.
> 
> Distances and the amount of metal used in this attainment were mentioned.
> 
> I was hoping for a reaction from one of the many “Energy Economists”
> 
> Who lurk on this site, to respond with negative information regarding the impracticality and waste fullness of such a process?
> 
> I believe there is a large following on this site who are interested in obtaining electrical power using renewable energy, derived from carbon neutral sources.
> 
> They might question the economics and ethics of using a refined ore as fuel.
> 
> Instead of chopping down oxygen producing vegetation. 
> 
> In this respect I am a nonconformist. I believe most Aluminum is produced by Hydro electric power and, so the CO2 is not in the equation.
> 
> My second comment is harnessing a “free” supply of high temperature heat which is emitted from most Ice’s in the form of “Hot Exhaust”.
> 
> This is the place to install a reactor capable of converting beer cans into hydrogen as not too much energy would be needed to complete the reaction. Bubbling super heated steam through a molten bath of AL would give pure hydrogen.
> 
> No tar, and the ash is a hot commodity
> 
>  
> 
> The real question is: how much energy is locked up in a pound of AL
> 
>  
> 
> gfwhell
> 
>  
> 
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