[Gasification] CO2 recycling

Mon Sep 10 10:59:41 EDT 2007

"Nothing new under sunlight".
   If we use arc welder inmersed system using flux based on calcium carbonate we obtain pure CO2. It passing through charcoal brings CO pure ;this is able to recycle. Calcium oxide also recycles to catch new CO2. Is only need to design an continuouds system to extract oxide and retain gases. With waste heat is possible to use for chemicals processes like cellulosic ethanol or others at low temnperature. 
  Benjamin

Benjamin Domingo Bof <benjaminbof at yahoo.com.ar> escribió:
  San Miguel de Tucumán | 10 of September of 2007 |:: section letters:: considered Time of reading: 109 segs. PRODUCTION OF CLEAN FUEL Letter to the Director of Mr. Benjami'n BOF, from Brazil (+) click to really extend | (*) click for gallery | Journalism | 8/9/2007|19:0hs | Mr. Director: Never as now as much upset of informative material and opinion has been seen on the aim of the world and hambruna consequent of the increase of the price of petroleum in left publications. Here inside San Pablo where I reside already it appeared the beneficial effect of the increase of the agroganaderos prices like the maize and the milk of cow. In 1996 I knew Vitor Melillo in Itabirito by indication of the local parish priest who me recommended it like a good entrepreneur. Melillo made pasteurizadoras microusinas of milk ensachetada with a production of the order of the thousand daily liters. When returning in 1999 Melillo it says to me that it had left the production of the equipment
 still
being them improved with the introduction of infrared radiators to increase the transmission of heat. The reason to leave that interesting motor activity of small producers was Argentine dust the systematic milk entrance. With the call of Sancor that cooperative saw call the reality sell its product to real prices what in addition it was accompanied by a world-wide rise of the price of fluid milk. At the moment the pasteurizadoras usinas are not able to extend their production in easy form because they do not obtain milk eliminates to less than two thousand kilometers of San Pablo whom the consumption concentrates. The prophecies on impelled fuels to fixed pinion by Fidel I castrate and the choir of acolytes who predict hambruna partial and bad is informed. In ECOPORTAL.NET we already wrote "Energía clean or a future incierto" with enormous repercussion and the wave of the ethanol still with the visit of doctor George William Bush and his brother John Ellis at the
beginning of the year this happening because the industrialists face difficulties practical to increase their productions. The price of the cane fell and the farmers do not want to know how of captive contracts with the usineros to plant sugar cane. The problem we close by followed it with doctor Carlos Eduardo Vieira creative Ribeiro of the "Campino Real" an alternative currency praised by Heloisa sociologist Spring and of "Multicooper" with the employees of the municipality. The proposal which we accompanied in occasion of its meeting with doctor Geraldo Alckmin in Pindamonhagaba was to produce Aeolian electrical energy www.wobben.com.br and with torcha of plasma of Russian origin http://www.solitonntt.ru/plazma.php to obtain synthesis gas. This equipment gasifies chemical arms, municipal remainders, old shoes, the books of Miguel Bonasso and wood Chips. With this gas that is dioxide of superabundant carbon in the terrestrial crust in limestone stone form we formed "tren
of fuego" that ionized it reaches temperatures of 1,000 to 10,000 degrees K (nonKirchner, Kelvin)y on the organic elements they generate monoxide of carbon and hydrogen to divide the present humidity in "cavacos" of wood to obtain after the compression and liquefacción of the gas; metanol. The heat generated by means of "trocadores of calor" it is used to smaller temperatures for hydrolysis humid processes of the cane bagasse with the purpose of obtaining in another line of tasks sugar and ethanol. "garapa ", is worth to say the cane must in its evaporation provides the water necessary for the humid process and water is only bought to drink the employees engarrafada. Deep changes are taking place and we think that the ideas of Agriculture Paysanne can be a way through systems of property shared like are it the cooperatives that in the province of Santa Fe are a living reality and example of civismo since it has been possible to see in the triumph of Hermes Binner like
governor. The Forest Fires have been the hidden cause of the climatic change according to the published thing for a time by The Independent in London. Thank you very much again; Youngest child BOF to benjaminbof at yahoo.com.ar | to think on this 

gfwhell at aol.com escribió: Ferruccio.

Your suggestion of recycling hot CO2 from an I.C. Engine
through the unburned fuel as a means of preparation for combustion is an
excellent idea.

After passing through the fuel, the gas will pick up
moisture providing some of the water required for making water gas. Because this reaction is endothermic, tending to lower the thermal reactivity in the hot zone. An additional aid is needed.

This is where;
an electrically maintained Plasma, should be employed, with the means of: delivering additional H2O
through hollow carbon burning rods.

The metered admission, of super heated steam, through the
rods, and into the plasma could be adjusted to provide the exact amount of
water required.

With the addition of H2O, for combination with the recycled
CO2 and the carbon being provided by the fuel. The gas will be converted to CO
+ H

Some power from the engine will be required for providing
the Plasma.

This can be obtained from a 100amp Delco or Bosch alternator.

GF

-----Original Message-----
From: Benjamin Domingo Bof 
To: Ferruccio Pittaluga 
; Discussion of biomass pyrolysis and gasification 
Sent: Sat, 8 Sep 2007 1:57 pm
Subject: Re: [Gasification] CO2 recycling

Dear Ferruccio, recycling exhaust gases efficiency is poor because is present an 
half part of Nitrogen. Is very good to reuse CO2; britons was discover algae for 
transform this product in biomass. report says an device loaded over the car 
recovering all dioxide.
Regards; Beniamino Bof

Ferruccio Pittaluga escribió:
Dear all,
I have just read the following statements on a Jan 1942 paper by Torsten Kaelle 
(paper available at: http://www.hotel.ymex.net/~s-20222/gengas/kg_eng.html#fig6) 
referred to a coal gasifier for mobile applications:

"One could say, that the carbon-dioxide (CO 2 ) is the `fuel' from which 
producer gas, that is carbon monoxide (CO) is made. It could thus be considered 
a pure waste to generate carbon dioxide from charcoal, when the former ---as the 
final product of combustion in the motor---is available in sufficient quantities 
from the exhaust gases! It also goes without saying, that the larger portion of 
the CO 2 in the exhaust that can be reused for producing carbon monoxide, the 
more economically the gasifier operates, and the longer one can drive on the 
same amount of charcoal, and the cheaper the driving is. I therefore decided to 
mix a certain portion of the exhaust gases from the motor into the primary air. 
The combustion gases, passing from the combustion zone to the reduction zone 
will thereby contain more carbon dioxide than what corresponds to the consumed 
charcoal. The excess of heat will be consumed for reducing the excess CO 2 . If 
the portion of exhaust gases is small, the
reaction will become complete and the producer gas becomes entirely free from 
CO 2 . In practice it is however better to let the producer gas contain one or 
two percent CO 2 . The heat value of the gas will not be significantly lowered 
by it, but it guarantees that all the heat is made useful. Further experiments 
showed, that the best effect was gained by an adding of about 17% CO 2 to the 
gasifier, which, under the condition that all of that was turned into CO, 
results in a significant saving of charcoal."

Has anyone got any experience on CO2 recycling within downdraft biomass 
gasifiers?
Many thanks.
Ferruccio Pittaluga

DIMSET/SCL - Savona Combustion Lab 
pittalug at unige.it 
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