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" <[email protected]> wrote: > Dr. Tom, > > Can one hammer mill->ball mill the Al into a powder and burn it directly > (stand back!)? > > Mark > > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Thomas > Reed > Sent: Tuesday, July 12, 2011 5:53 PM > To: Discussion of biomass pyrolysis and gasification; Art Krenzel > Cc: [email protected] > 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 <[email protected]> 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 > > > > _______________________________________________ > Gasification mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > > _______________________________________________ > Gasification mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/
_______________________________________________ Gasification mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org for more Gasifiers, News and Information see our web site: http://gasifiers.bioenergylists.org/
