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Biogas from Chicken Manure
#1
Pls who has any project on this?
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#2
I'm planning to. But I hope you know that chicken manure alone can't do the job. That's because of the high nitrogen content and low carbon content. For biogas to be produce, you need a carbon to nitrogen ratio of about 30. This means that carbon is 30 times the quantity of nitrogen. To achieve this ratio, you have to mix chicken manure with organic matters that has high carbon content. You mix them in certain ratio once you know their C/N ratio.
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#3
(11-16-2014, 09:47 PM)Henlus Wrote: I'm planning to. But I hope you know that chicken manure alone can't do the job. That's because of the high nitrogen content and low carbon content. For biogas to be produce, you need a carbon to nitrogen ratio of about 30. This means that carbon is 30 times the quantity of nitrogen. To achieve this ratio, you have to mix chicken manure with organic matters that has high carbon content. You mix them in certain ratio once you know their C/N ratio.

Can you say more about the C/N ratio?
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#4
(11-16-2014, 09:47 PM)Henlus Wrote: I'm planning to. But I hope you know that chicken manure alone can't do the job. That's because of the high nitrogen content and low carbon content. For biogas to be produce, you need a carbon to nitrogen ratio of about 30. This means that carbon is 30 times the quantity of nitrogen. To achieve this ratio, you have to mix chicken manure with organic matters that has high carbon content. You mix them in certain ratio once you know their C/N ratio.

This is a very important topic, especially for poultry farmers.

From some literature I read, adding kitchen waste or cattle dung improves the usage of poultry litter to generate biogas.

This has the potential to improving relationship between the farmer and his/her community. Profit would also improve.

Is there anyone that has achieved in respect of this renewable energy?
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#5
(02-17-2015, 08:49 PM)ASOKEM Wrote: This is a very important topic, especially for poultry farmers.

From some literature I read, adding kitchen waste or cattle dung improves the usage of poultry litter to generate biogas.

This has the potential to improving relationship between the farmer and his/her community. Profit would also improve.

Is there anyone that has achieved in respect of this renewable energy?

you're right, the combine C/N ratio of the whole waste should be in the range of 25-30 for it to work.
Food for the Nation.
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#6
@ all, how do we go about it? Becos dis topic is very interesting
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#7
(02-18-2015, 06:48 PM)Ikowa5 Wrote: @ all, how do we go about it? Becos dis topic is very interesting

"The best way to start is by starting".

I have been reading up literatures, watch videos, etc.

Someone needs to put these things into practice, even if at an experimental level.

I also hear some farmers in Ibadan have mini biogas "plant" running.
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#8
I could have started, but I've not gotten a permanent place yet.
Food for the Nation.
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#9
Hi,

Have you thought about adding some glycerin before digestion? Here http://goo.gl/FEmrtD it says, that it would increase biogas yield substantially. I will test this for my pig manure digester if I can find a biodiesel guy that would give me glycerin for free. This scientific ultrasound part looks interesting, too.

Mike

"As long as my pigs shit, I make gas! If they fart, they make the gas!"

(02-19-2015, 02:03 PM)ASOKEM Wrote: "The best way to start is by starting".

I have been reading up literatures, watch videos, etc.

Someone needs to put these things into practice, even if at an experimental level.

I also hear some farmers in Ibadan have mini biogas "plant" running.
Reply
#10
(12-20-2014, 08:14 PM)Manihot Wrote: Can you say more about the C/N ratio?

(03-01-2015, 10:07 PM)MikesFarm Wrote: Hi,

Have you thought about adding some glycerin before digestion? Here http://goo.gl/FEmrtD it says, that it would increase biogas yield substantially. I will test this for my pig manure digester if I can find a biodiesel guy that would give me glycerin for free. This scientific ultrasound part looks interesting, too.

Mike

"As long as my pigs shit, I make gas! If they fart, they make the gas!"

Which type of digester do you have? Can you post a picture?
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#11
(12-20-2014, 08:14 PM)Manihot Wrote: Can you say more about the C/N ratio?

You need to adjust the ratio to fall within 25-30. Eg, if you have chicken droppings (c/n = 10) and cow dropping (c/n = 20). To combine them to get a mixture that is c/n = 25, use the formula below: R1 x Q1+R2 x Q2 = (Q1+Q2)xR.
.
Where R1 and R2 = c/n ratio broiler and cow droppings respectively and Q1 and Q2 = weight of broiler and cow droppings respectively. R is the desired c/n ratio which is 25.
..
We know that R1=10, R2=20, R=25. Let's take Q1=1kg.
..
(1kg x 10) + (Q2 x 20) = (1 + Q2) x 25
..
10 + 20 x Q2 = 25 + (25 x Q2)
..
Q2 = 3kg.
..
Therefore for every 1kg of broiler dropping you need 3kg of cow dung.
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It is important to note that c/n ratio can vary from one pen to the other. So the values used here can differ from that of your own animals.
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C/n ratio is usually lower if the manure contains urine. If you use litter materia like sawdust, straw etc in your animal pen, the c/n ratio will be higher. The best way to determine c/n ratio is through lab testing, but you can still run your digester by using estimated values from literatures.
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#12
Some sources will give recommended C/N ratio as 20-30.
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