Gas Producer

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Re: Gas Producer

Postby davidg » Fri Oct 19, 2018 8:09 am

jaahn wrote:Biogas is an option as said but also has serious power loss due to the inactive gas. Or you need a scrubber as well. No so sure about it being "cleaner" either.


Biogas. Biogas is a biofuel produced from the anaerobic fermentation of carbohydrates in plant material or waste (eg food peelings or manure) by bacteria. It is mainly composed of methane, with some carbon dioxide and other trace gases.

Biofuels : Which gas is found in biogas?
The gases methane, hydrogen, and carbon monoxide (CO) can be combusted or oxidized with oxygen. This energy release allows biogas to be used as a fuel; it can be used for any heating purpose, such as cooking.
Biogas - Wikipedia https://en.wikipedia.org/wiki/Biogas

Which gas is found in biogas? What is chemical nature of biogas?
Biogas differs from natural gas in that it is a renewable energy source produced biologically through anaerobic digestion rather than a fossil fuel produced by geological processes. Biogas is primarily composed of methane gas, carbon dioxide, and trace amounts of nitrogen, hydrogen, and carbon monoxide.
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Re: Gas Producer

Postby jaahn » Fri Oct 19, 2018 2:23 pm

Hi Lantern, ;)
Well you are obviously more skilled in this are than I. Sorry that you could not find a small enough motor to suit the job. Perhaps one of the internet self powered wonders may suffice thesedays :shock:

I would be interested in you telling us some of the details of the hardware used to get the 24V and 20A for charging. And perhaps also the 2HP motor which was jogging on that job :roll: There is a bit of interest from some people who look on here.
Davidg ;)
As for biogas constituents. It does depends on the material being decomposed and the conditions. I might have to look it up. CO2 does not burn and can be in much greater than 'trace' percentages. That is what I was referring to as reducing the power unless scrubbed. The other trace gasses are sulfur in various forms which can cause corrosion in engines and ducting etc.
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Re: Gas Producer

Postby davidg » Fri Oct 19, 2018 9:49 pm

jaahn wrote:As for biogas constituents. It does depends on the material being decomposed and the conditions. I might have to look it up. CO2 does not burn and can be in much greater than 'trace' percentages.
Jaahn

To some extent you are correct however if one want to produce biogas in fairly quick quantity one needs to use/build a bio-digester system with that you can get a useful amount biogas and leave the CO2 component behind, since the bulk of biogas is lighter than air it will "float to the top" allowing it to removed, and CO2 and other similar gases such as sulphur dioxide as I'm sure you are aware are heavier than air and therefore can be "removed/expelled" from the bottom of a system accordingly, makes biogas much more useful and prevents wasting precious compressed space with gases that are not very useful.

The point, with some effort, you can produce a truly renewable version of "natural gas" that has similar properties to mined "natural gas". You just need to have enough "waste material" of various types available to produce functionally useful quantities and a way of storing enough of it to be useful for the task you wish to use it for, running an IC engine would be at the bottom of my list of options for any type of gas production system though.
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Re: Gas Producer

Postby jaahn » Sun Oct 28, 2018 5:32 pm

gyro wrote:I have just purchased a 3 HP Cooper engine and wish to run it on wood gas to drive a 48 volt Dc generator has anyone out there got any drawings of this sort of thing? gyro14u@bigpond.com
Thanks Tony

Hi Tony :)
Here is an old drawing and description of a French unit I happened to see on another forum.
https://www.econologie.com/gazogene/
Sorry about the French but a translator will help :roll:
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