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Mini Bio-gas plant using food waste, decomposable organic material and kitchen waste

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I have been searching for some method of using the food waste, decomposable organic material and kitchen waste efficiently, and came across information on producing bio-gas from organic waste.

The bio-gas produced from food waste, decomposable organic material and kitchen waste, consisting of methane and a little amount of carbon di oxide is an alternative fuel for cooking gas (LPG). Also, the waste materials can be disposed off efficiently without any odor or flies and the digested slurry from the bio-gas unit can be used as an organic manure in the garden.

Components of the Bio-gas Plant

The major components of the bio-gas plant are a digester tank, an inlet for feeding the kitchen waste, gas holder tank, an outlet for the digested slurry and the gas delivery system for taking out and utilizing the produced gas.

This project is also useful for students to have a hands-on learning experience in constructing a Mini Bio-Gas Plant, using locally available material.

Material Required:

1. Empty PVC can 50 ltrs capacity: 1 No. (to be used as Digester Tank)
2. Empty PVC can 40 ltrs capacity: 1 no. (to be used as Gas Holder Tank) (Make sure the smaller can fits inside larger one and moves freely)
3. 64 mm dia pvc pipe: about 40 cm long (to be used for feeding waste material)
4. 32 mm dia pvc pipe: about 50 cm long (fixed inside gas holder tank as a guide pipe)
5. 25 mm dia pvc pipe: about 75 cm long (fixed inside the digester tank as a guide pipe)
6. 32 mm dia pvc pipe: about 25 cm long (fixed on digester tank to act as outlet for digested slurry)
7. M-seal or any water-proof adeshive
8. Gas outlet system: Please see Step 4 below for required materials and construction

Tools required

Do not require many tools here. A hack saw blade for cutting the cans & pipes and a sharp knife for cutting holes on the cans are all the tools we need.

Additional accessories

A single burner bio-gas stove or a Bunsen Burner used in school laboratories
 
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ShekharB4 days ago

kindly get me detail on shekhar392@gmail.com

antoniraj (author)  ShekharB3 days ago
Please see attached files sent to your mail
respected sir
i am going to make my engineering project on biogas...
I requires help from you
regarding how to make prototype .what we can make changes improvement in biogas system to increase efficiency....and all information regarding biogas
my email id is as follow
sachinranvir31@rediffmail.com
thanks
antoniraj (author)  sachin ranvir2 days ago

please go through the attached files sent to your mail

Hi sir, im very much interested in biogas project. Please send me detail information to help me set up one myself. My address is; gkivia.gk@gmail.com
Thanks in advance for your help.
antoniraj (author)  George Kivia2 days ago
please go through the attached files sent to your mail
refueled3 days ago

Please provide the detailed plan along with the necessary dos n don't to employ it properly for home use.

email- chandansingh.ck@gmail.com

antoniraj (author)  refueled3 days ago
please go through files sent to your mail
mwesiga4 days ago

hello, i tried putting up the project using kitchen waste mainly. but after a 10 days there is no gas produced. some help please

antoniraj (author)  mwesiga3 days ago
Cow dung or Horse dung is initially required as they contain microorganisms necessary for breaking down the wastes. Once the microorganisms start multiplying, they feed on the waste to produce gas. if you have not started the system with cow dung, you can do it now
santoshy26 days ago
santoshy27 days ago
ShahzadA57 days ago
oashiru10 days ago
Sir, Please send me the data at oashiru@ymail.com. I am interested in starting a biogas line. I would also appreciate it if u can send one for industrial scale
antoniraj (author)  oashiru10 days ago
Please go through the attached files sent to your mail. they include construction plan for large scale model also.
Hello sir ,
Can we use under ground tank as digester.
antoniraj (author)  manoj_badhel15 days ago
yes, you can very well use an underground tank as digester
StephenN1118 days ago
I'm gonna try this.....
antoniraj (author)  StephenN1117 days ago
you can try this for a science fair project. this is a prototype and not sufficient for home use
StephenN1117 days ago
sir. why do we need the guide pipe, n why is it not leaking at the gas tank if its a moving part?
antoniraj (author)  StephenN1117 days ago
the guide pipe helps the gas holder tank move vertically, otherwise the gas holder tank will tilt to one side. The outer pipe fitted with the gas tank is sealed from outside, so there will not be any gas leak
StephenN1118 days ago
its good
Pradeep198220 days ago

Hi Sir, I am very much interested in building this system for my project. Please share me the data of Making Biogas Plant. My Email ID is say2kvp@gmail.com

antoniraj (author)  Pradeep198220 days ago
please go through attached files sent to your mail
Sir, please send me the data of making biogas plant.. My ID is as follows...
badhel.manoj@gmail.com
antoniraj (author)  manoj_badhel21 days ago
Please see attached files sent to your mail for more information
tom_anney22 days ago

Good evening Antoniraj;

I just came across Bio-gas recently; and I do believe its a better alternative to LNPG;

Can you please help with a mail stating instrucions on setting up a small plant to a big plant (Digester).

My email is olatomanney@gmail.com

Thank you in advance.

antoniraj (author)  tom_anney21 days ago
Please see attached files sent to your mail for more information
tom_anney22 days ago

Good evening Antoniraj;

I just came across Bio-gas recently; and I do believe its a better alternative to LNPG;

Can you please help with a mail stating instrucions on setting up a small plant to a big plant (Digester).

My email is olatomanney@gmail.com

Thank you in advance.

Hello sir,
1) I want to make small biogas plant which can use for cooking purpose. For that which size of containers i supposed to be use.
antoniraj (author)  manoj_badhel23 days ago

If you want to use it for cooking purpose, then you need a minimum 500 liter capacity digester tank. Please see my other instructables here...

http://www.instructables.com/id/Constructing-a-Med...

http://www.instructables.com/id/Make-Energy-From-W...

leohood1 month ago

ok sir, but will slurry be able to come out from this small space?

antoniraj (author)  leohood23 days ago

some times the slurry blocks the outlet pipe. you need to clean it periodically

leohood leohood23 days ago

sir?

SyedI327 days ago

can i fix outlet in bottom so that slurry get out fast and where solid goes

can you explain scientific facts behind it please

antoniraj (author)  SyedI326 days ago
If you fix your outlet at the bottom, you will drain out the entire tank. Moreover the digested slurry gets lighter and raises up to the surface whereas the undigested particles stay at the bottom
teshnat28 days ago
Sir I am very happy to say that my biogas is a burnabol but they have one reason after a few second fire is stopped sir tell me what can I do more
antoniraj (author)  teshnat26 days ago
Add more weight on the tubes to get some pressure. Also make sure no outside air is getting mixed while filling the tubes
teshnat27 days ago
sir I am very happy to say that biogas burnabol now but I have one problem after few second fire is stopped
teshnat27 days ago
Sir I am very happy to say that my biogas plant now is burnable but I have small kind of problem after a few second a fire is stopped tell me sir what can do more
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