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Biogas
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double eem
#1 Posted : Tuesday, August 02, 2011 7:16:16 PM
Rank: Member

Joined: 12/12/2007
Posts: 24
You can have biogas at your backyard even without dairy animals.
Just get the initial dung from the neighbours animal and put in plastic tanks digester. Add a kilo of starch waste daily and there you are.
Quantity of gas will depend on size of tanks you use.
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rcarter
#2 Posted : Wednesday, August 03, 2011 7:46:27 AM
Rank: Hello

Joined: 8/3/2011
Posts: 4
I personally think that biogas would be a big step in the fuel market but the bigger names in the field seem to hold what could be a turning point in their market. I think that they are seeing it as a real threat, talking about bio fuel. But I would also like to point out that 15% or 20% part bio would not make that much of a difference. Because you still consume fuel with the transport, production and manufacturing of that bio gas. And unless you get something that would harness or extract bio components with the use of less fuel, there will be holes in this interesting point.
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Elder
#3 Posted : Wednesday, August 03, 2011 1:09:38 PM
Rank: Elder

Joined: 9/7/2010
Posts: 2,148
Location: elderville
double eem wrote:
You can have biogas at your backyard even without dairy animals.
Just get the initial dung from the neighbours animal and put in plastic tanks digester. Add a kilo of starch waste daily and there you are.
Quantity of gas will depend on size of tanks you use.


Any info on where to get good digesters?
He who can express in words the ardour of his love, has but little love to express. - Petrach, Son. (That men by various ways arrive at the same end. - Montaigne, The Essays of.)
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mmarto
#4 Posted : Wednesday, August 03, 2011 2:22:11 PM
Rank: Member

Joined: 4/20/2010
Posts: 412
Location: nairobi
@Elder, it depends on what quantity of gas you want to produce. Based on that you can purchase ready ones or opt to build your own which may be more expensive but give you more output
The only time you should be looking down on others is when you are helping them up.
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Barrywhite
#5 Posted : Wednesday, August 03, 2011 2:30:24 PM
Rank: Member

Joined: 12/2/2009
Posts: 286
Location: Nairobi
Better and even faster, instead of taking dung (which has fewer micro-organisms necessary for facilitation of biogas production), just go to the nearest slaughter house. Pick the semi-processed material from the stomach, that green half digested grass they remove from the ruminants after slaugher to get matumbo; and start adding starch on it. By the end of day 2, you will start getting biogas. I dont know how efficient the ready made products are, but l know the entire set-up is costly (around 40-50k). You can buy materials and do your own at 15k at home; and it'll give you enough gas to cook for the extended family!
The laudable is more often than not rendered laughable by overclaim
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kingfisher
#6 Posted : Wednesday, August 03, 2011 4:20:29 PM
Rank: Elder

Joined: 4/9/2008
Posts: 2,824
so many sources of raw material...

coffee processing wastewater
dairy wastewater
slaughterhouse wastewater
distillery stillage
nut processing wastewater
pineapples processing wastewater
sisal decortications wastewater
rice hay
etc
etc

http://www.gtz.de/de/dok...as-assessment-kenya.pdf
When I have money, I get rid of it quickly, lest it find a way into my heart.
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Elder
#7 Posted : Thursday, August 04, 2011 10:42:40 AM
Rank: Elder

Joined: 9/7/2010
Posts: 2,148
Location: elderville
Thanks @mmarto. @Kingfisher great article. Thanks.
He who can express in words the ardour of his love, has but little love to express. - Petrach, Son. (That men by various ways arrive at the same end. - Montaigne, The Essays of.)
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double eem
#8 Posted : Thursday, August 04, 2011 10:52:20 AM
Rank: Member

Joined: 12/12/2007
Posts: 24
@elder.
I dont know of a supplier of plastic digester but you can easily make yours by using plastic water tanks. Its sinkers and the tank size will determine the amount of gas held.
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specky
#9 Posted : Thursday, August 04, 2011 12:27:11 PM
Rank: Member

Joined: 4/28/2011
Posts: 213
kindly,can some one tell us how to do this step by step at home...@Barrywhite,please help !
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Barrywhite
#10 Posted : Tuesday, August 09, 2011 4:30:44 PM
Rank: Member

Joined: 12/2/2009
Posts: 286
Location: Nairobi
I went to Nairobi International Trade Fair and observed how one company was producing biogas.

http://www.biogas.co.ke/

I was impressed but the pricing was over the roof; for such a simple solution that could empower rural communities. So l decided so source for materials l observed and test one myself. Canvas, bronze rods, silicon, piping everything using materials available in Gikosh will cost you 12k. As opposed to the offer price of 50k + VAT at the showground! mine is working fine upcountry and not once has any of my "mothers" gone to fetch firewood. I actually claimed back the gas cylinders as they had no more use!
The laudable is more often than not rendered laughable by overclaim
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