[Gasification] CONSERVATION OF ENERGY

[Pannirselvam P.V]

 Respected Reed and jason

Complicated  life and  chemistry , need system thinking to understand  using
simple   componenst system, this need more time , as one  do not find time,
stop  thinking, thus making life more hard to live.System thinking can help
to get Knowledge, Ability , Competence  to understand the complications ,
find  which can be the  correct  innovative answer. to complex  problems
.This really need  preservance ,freedom to innovate  and flexible thinking
withou the fear of money , time  and materials.In this list we have many
system thinkers  , pyrolysis, gasification , reforming , biomass, gasifiers
 etc.

Yours  Truely
Pannirselvam P.V

On Thu, Jul 14, 2011 at 7:06 AM, Thomas Reed <tombreed2010 at gmail.com> wrote:

> Dear Jason.
>
> Life and Chemistry are very complicated, but perseverance and flexibility
> will usually find an answer.
>
> Thanks for the details,
>
> Tom Reed
>
> Dr Thomas B Reed
> President, The Biomass Energy Foundation
> www.Woodgas.com
>
> On Jul 13, 2011, at 5:37 PM, Jason Stewart <urepedese at gmail.com> wrote:
>
> Hi Tom,
>
> I hate to post here too often as I am just a babe in gasification terms.
>
> I passed the comment on thermite welding because I spent 3 months using the
> technique to weld the copper tails onto the aluminium buzzwork for the
> aluminium smelting cells. This was to distribute 96,000Amps at 4V at the
> Tiwai Point Aluminium Smelter.
>
> The thermite mix was aluminium and copper oxide. This required a staged
> start with two different compounds to bring the temperature of the aluminium
> up to a point where it destabilised and ignited. About 2 seconds at over
> 2000° the molten copper would melt through the copper retaining discs and
> drop through into the mold.
>
> I have no doubt you understand the chemistry better than I. What we were
> able to achieve was to take the CADWELD training from the English engineer
> and increase their expected output by 250% from 8 welds per two man team per
> day, to 20. We actually did that by lunch time, but it was getting
> embarrassing for them so we dithered around in the afternoons. At the same
> time we halved the expected failure rate:)
>
> Kind Regards
>
> Jason Stewart
>
> On Wed, Jul 13, 2011 at 11:21 PM, Thomas Reed < <tombreed2010 at gmail.com>
> tombreed2010 at gmail.com> wrote:
>
>> Dear Mark and all
>>
>> Thermite welding is usually based on Mg, not Aluminum, but I presume a
>> properly prepared aluminum powder with minimal oxide skin could be used.
>>
>> Tom Reed
>>
>> Dr Thomas B Reed
>> President, The Biomass Energy Foundation
>> <http://www.Woodgas.com>www.Woodgas.com
>>
>> On Jul 12, 2011, at 11:32 PM, Jason Stewart < <urepedese at gmail.com>
>> urepedese at gmail.com> wrote:
>>
>> Haha, you are then set up for thermite welding.
>>
>> On Wed, Jul 13, 2011 at 2:59 PM, Mark E. Ludlow < <mark at ludlow.com><mark at ludlow.com>
>> 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><gasification-bounces at lists.bioenergylists.org>
>>> gasification-bounces at lists.bioenergylists.org [mailto:<gasification-bounces at lists.bioenergylists.org><gasification-bounces at lists.bioenergylists.org>
>>> 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><Gasification at bioenergylists.org>
>>> Gasification at bioenergylists.org
>>> *Subject:* Re: [Gasification] CONSERVATION OF ENERGY****
>>>
>>> ** **
>>>
>>> PS. ****
>>>
>>> ** **
>>>
>>> According to my book, THE FREE ENERGY OF BINARY COMPOUNDS (available at
>>> <http://Woodgas.com> <http://Woodgas.com>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****
>>>
>>> <http://www.Woodgas.com> <http://www.Woodgas.com>www.Woodgas.com****
>>>
>>>
>>> On Jul 12, 2011, at 7:51 PM, GF < <gfwhell at aol.com> <gfwhell at aol.com>
>>> 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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>>>
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>>> http://gasifiers.bioenergylists.org/****
>>>
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>>>
>>>
>>
>>
>> --
>> Kind Regards
>>
>> Jason Stewart
>> 3 Opahi Bay Road,
>> RD3
>> Warkworth
>> 09 4220054
>>
>>
>>
>> _______________________________________________
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>>
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>>
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>> <http://gasifiers.bioenergylists.org/>
>> http://gasifiers.bioenergylists.org/
>>
>>
>> _______________________________________________
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>>
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>>
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>>
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>>  <http://gasifiers.bioenergylists.org/>
>> http://gasifiers.bioenergylists.org/
>>
>>
>
>
> --
> Kind Regards
>
> Jason Stewart
> 3 Opahi Bay Road,
> RD3
> Warkworth
> 09 4220054
>
>
>
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>
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>
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> http://gasifiers.bioenergylists.org/
>
>
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>
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>
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>
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> http://gasifiers.bioenergylists.org/
>
>


-- 
************************************************
P.V.PANNIRSELVAM
ASSOCIATE . PROF.
Research Group ,GPEC, Coordinator
Computer aided  Cost engineering

DEQ – Departamento de Engenharia Química
CT – Centro de Tecnologia / UFRN, Lagoa Nova – Natal/RN
Campus Universitário. CEP: 59.072-970
North East,Brazil
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