[Gasification] CONSERVATION OF ENERGY

[Mark E. Ludlow]

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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