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Picture of Biogas at home- Cheap and Easy
Hi there, I am Sahas chitlange, aging 14, from India. here is my homemade cheap and easy to build mini Biogas plant. It burns for approx. 20-30 mins on a bunsen burner. you can add anything from your kitchen waste ( Exept Onion peels and eggshells). In 12 hours the Gas is ready for use. It is very easy and cost effective to build (only 2-3 dollars) and gives many useful products.

the end products of this system are:
1) Methane : (Can be used as a fuel)
2) Slurry     : (the spent slurry is exellent manure)

The main components oof this system are:

1)  Inlet pipe
2) digester tank
3) gas holder tank
4) slurry outlet pipe
5) gas outlet pipe


Pls leave a comment
 
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Step 1: Chose the correct container

Picture of Chose the correct container
You will have to chose a correct size container which will act as a digester tank. My one is liters tank. I got it from scrap.

Step 2: Make holes

Picture of Make holes
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Make holes in the tank for Inlet and outlet. For this I took a old iron rod and heated it to make holes. CAUTION: rod is really very hot.

Step 3: Fix the inlet and outlet pipes

Picture of Fix the inlet and outlet pipes
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Glue the Inlet pipe and the Outlet pipe with any water proof adhesive. 

Step 4: Making the Gas holder Tank

Picture of Making the Gas holder Tank
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I took a paint bucket of 20 lts for making a gas holder tank. this tank holds the gas produced. The tank is overturned and fixed with a valve used for plumbing purposes.

Step 5: Time to mix the cow dung !

Picture of Time to mix the cow dung !
mix the cow dung (5kg for 50 liters) and add water to  make a fine slurry. Now put the slurry in the digester tank.

Step 6: Almost finished!

Picture of Almost finished!
Put the gas holder tank overturned in the digester tank after adding the slurry . REMEMBER: open the valve while putting the gas holder tank. the mini plant takes 10-15 days for the first time to get output. For the first time, the gas in the tank wont burn as it contains Carbon Dioxide gas, if fortunately it burns then good or wait for the second time. You can detect how much gas is there in this system, the gas holder tank will rises up as the gas is produced.  
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wow! please sir can you give me a full details on this project? my email is fonnelson@gmail.com.

FrankK57 days ago

Wow, can I have you email, for a bigger project in Africa. mine is kabonekaf@gmail.com

Thank you.

venkatan7 days ago

hiii sir,

i'm naveen

could you pls tell me how to get pipe connector and valve........

mkgajraj1 month ago
Hello sir
I have made 200 ltr biogas but it not working 18 days ago , help some tips
Thks you
Manjitgajraj66@gmail.com
Ehtisham943 months ago

hello, i want to make this project but at a larger scale, therefore i have some doubts and question.kindly share me some more information at : ehtisham_94m@yahoo.com

i would be very thankful to u, and once again, u have done a fine effort.

Hello, On Behalf Of kasat Consultancy Services, We are expertise in Bio Gas Methan Production Projects in india. Let us Know if Interested for Larger Plants
priyank@kasatservices.com

carlg12 months ago

Thank you for these instructions, VERY simple and clear and I am sure you will have a bright and very productive future young lady, thank you once again .Carl

sangeetha.6 months ago

This is awesome!

Where do i connect the gas to?
can it be connected to LPG stove ?

why not

Chitlange Sahas (author)  sangeetha.6 months ago

Yes of course

muhammadi82 months ago

dear sir,

i can make this bio gas plant but not working properly .kindly told me required temperature for location of biogas plant and send me more informationi or disign about this project

thinks

Regard M Ismail

moh.1985.ismail@gmail.com

sheryark2 months ago

plz guide me further

sheryark2 months ago

i can't undestand the outlet and in let

plz reply

sheryark2 months ago

i can't undestand the outlet and in let

plz reply

sourabhp3 months ago

Hi sahas .I want more information about your small biogas plant.it is possible to achive biogas from only kitchen waste.and how much gas will produced by how much waste?pls reply at sourabhpatil206@gmail.com

andy.knote3 months ago

Good instructable. Good job with the step-by-step instructions and good photos. Nice use of reclaimed/ reused and easliy available materials. Nice work!

Sarasie3 months ago

How can I clean the gas for safety sake since you didnt mantion anything about that. The gas produce from this will surely produce hydrgen sulfide which is bad and poisionous apart from the Methane gas produce?

Thanks

CowVijaya4 months ago

I still don't understand why this outlet is for? I see there is also a bucket with waste coming out of the outlet. How does this happen? Can you explain it Sahas? Thanks in advance.

CowVijaya4 months ago

I was in a hurry. I got my doubt cleared while reading rest of the comments and your answers. I think, if at all I have to observe my method, then I have to put another valve to the outlet. What do you say?

direct tank modified.jpg
CowVijaya4 months ago

Hi! Chitlange Sahas, felt glad on seeing your project. I have a doubt. Doesn't gas leak from the outer edges of the gas holder tank? Do we need a gas holder tank really? Can't we install the valve (plumbing purpose) directly to the lid of the digester tank.

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rey_salasjr5 months ago

very nice. i'll try this

RandyD15 months ago

This is a good explanation of a working biogas generator.

I can
suggest you put a plastic ring, or several plastic knobs around the
middle of your collector pail, it will help guide it up straight.

Thank you for posting.

p.s.joe.arul6 months ago

sir ,you told that after putting cow dung in tank first time wont get gas , daily can put cow dung to get gas ? or how long days wait for to get the gas. how can i take the gas from tank

Chitlange Sahas (author)  p.s.joe.arul6 months ago
it takes about 15 days for first time to earn out gas from the system.. never do the mistake of adding dung daily !! it will damage sysytem forever.. you will have to repeat everything from start!!. you wait for few days and yes do test the acidity level..
sk286 months ago

sir kindly give pdf format of this whole cocept my id is sknicky28@gmail.com

p.s.joe.arul6 months ago

sir ,you told that after putting cow dung in tank first time wont get gas , daily can put cow dung to get gas ? or how long days wait for to get the gas. how can i take the gas from tank

Hello, i am interested to make the project, can you send me info on my mail...

khanciit821@yahoo.com

samy62636 months ago

hi suhas.. I'm really interested to make this project.. plz mail me the details on my mail id --> sameer.samy6263@gmail.com

BiswajitB7 months ago

can u plz cntct me bcz i want to built a biogas system in my home so how to proceed....in the above description at some point i'm getting confused.............my mob no 8984112332.......plzzzz help i want to know more

BiswajitB7 months ago

hi sahas actually i wnt to know which material except cow doung we should add to the digester tank for getting more amount of gas

can anyone tell me that how much gas can produced by following this procedure or is it enough to fulfill 3-4 hour cooking need??????? Chitlange Sahas

can anyone tell me that how much gas can produced by following this procedure or is it enough to fulfill 3-4 hour cooking need??????? Chitlange Sahas

can anyone tell me that how much gas can produced by following this procedure or is it enough to fulfill 3-4 hour cooking need??????? Chitlange Sahas

can anyone tell me that how much gas can produced by following this procedure or is it enough to fulfill 3-4 hour cooking need??????? Chitlange Sahas

can anyone tell me that how much gas can produced by following this procedure or is it enough to fulfill 3-4 hour cooking need??????? Chitlange Sahas

can anyone tell me that how much gas can produced by following this procedure or is it enough to fulfill 3-4 hour cooking need??????? Chitlange Sahas

ChamanL7 months ago

guys i am interested in making of methane gas from cow dung . plz share ideas

coimbatorean7 months ago

should we grind the all the kitchen waste (leftover food, veg cutting waste) into a paste before adding to the bio gas digester ?

coimbatorean7 months ago

Hi Sahas,

Great Job.

One Doubt should we grind into paste form all the kitchen waste like veg cutting wastes, leftover food etc before adding to the digester tank ?

My gtalk id is cbeiyer@gmail.com do add me on google talk so that i can discuss this with you further before i try to make one

Wish you a Bright Future

lizel.rebello7 months ago

thanks for d info sahas.

its ur experience that heloed me to do my assi.....

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