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Step 8:

Completed unit. I have removed the gas pipe, so that the joints will get cured without any stress:

Wait for a day or two before feeding the system, allowing all joints to get cured and become leak-proof.

Initially, cow-dung mixed with water will be fed in to the system, which will start the gas formation process. Subsequently, food waste, decomposable organic material and kitchen waste will be diluted with water and used to feed the system. The gas holder will rise along the guide pipes based on the amount of gas produced. We can add some weight on top of the gas holder to increase the gas pressure. When we feed the system, the excess digested slurry will fall out through the outlet pipe, which can be collected, diluted and used as organic manure.

Initial production of gas will consist of oxygen, methane, carbon di oxide and some other gases and will not burn. These gases can be released to the atmosphere by opening the ball valve at least three / four times.

Subsequent gas will consist of about 70 to 80 percent methane and the rest carbon di oxide, which can be used in a single bio-gas burning stove or a Bunsen burner.

Total cost of this proto-type system is about one thousand Indian Rupees (about 20 dollars)

This is a basic prototype of a Bio-gas system using the food waste, decomposable organic material and kitchen waste to produce gas. An one thousand litre capacity Digestion tank will be sufficient for a small household for daily cooking purpose. The bigger commercial models provide a water seal between the digestion tank and gas holder tank.

You can get further information on kitchen waste based mini Bio-gas plant at the following links:

http://e-biogas.blogspot.in/

http://www.samuchit.com/index.php?option=com_content&view=article&id=8&Itemid=10
Very nicely presented. <br>Great content.<br>I want to start a company and make commercial scale biodigesters for installations in large housing socities at very reasonable cost price ( not to make profit but to make cities a livable place) . Pl. Suggest that how far ( both distance and height ) can the bio gas be delivered.<br>
<p>This is only a prototype. Please go through my other instructables on Biogas at following links :</p><p><a href="http://www.instructables.com/id/Constructing-a-Medium-Sized-Biogas-Plant-Using-Kit/">http://www.instructables.com/id/Constructing-a-Med...</a></p><p><a href="http://www.instructables.com/id/Make-Energy-From-Weeds/">http://www.instructables.com/id/Make-Energy-From-W...</a></p><p>How far you can deliver the biogas in both distance and height depends on the size of the plant and the gas pressure you are getting at the delivery point. In the Biogas plants installed at my home I have laid pipe line for about 30 feet with 40 kilograms of load placed over the gas holder tank. The vertical height is about 15 feet from the top of gas holder to the stove.</p>
<p>please sir send the pdf to my email jeebsontrust@gmail.com. Thank u very much</p>
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Could you please send this PDF to me sir? It would be much appreciated.
Bored_Kender1988@hotmail.com
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Dear sir, <br>Can you send the pdf file to my mail eranesk@gmail.com
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Dear sir, <br>Can you send the pdf file to my mail - erganesk@gmail.com
<p>Hi,</p><p>Antoni Raj sir can you please send this pdf to my gamil id: abumujeebali@gmail.com thanks in advance</p>
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Sir can you send the pdf file to my mail - erganesk@gmail.com
<p>Dear Sir, </p><p>It is quite fascinating your ideas to simplify the bio-gas unit, could you please forward the pdf to nid2003r@gmail.com</p><p>Thanks and regards,</p><p>Nidhin</p>
<p>please check your mail</p>
<p>antoni raj sir can you please send this pdf to my gamil vragavender@gmail.com thanks in advance</p>
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<p>If you're thinking of DIY your own backyard bioplant and especially if you're going to produce electricity, there's no better blueprint online than <a href="http://biopowerplant.org/." rel="nofollow"> http://biopowerplant.org/</a></p><p>You will need to have a two small tanks, digester and colector where the gas will be stored for future burning. Once enough gas accumulates you simply run the generator with it. All you need to do is feed it with biodegradable waste from sewage, plant materials, fruit waste, manure, food waste or garden and lawn waste.</p><p>This way you get free electricity, potentially forever.</p>
You can go through my other instructable on constructing a medium sized Biogas plant at the following link :<br><br>http://www.instructables.com/id/Constructing-a-Medium-Sized-Biogas-Plant-Using-Kit/<br><br>The gas from this plant can be used for cooking, lighting or to run a biogas generator to produce electricity.
<p>sir you are so cool and your bio gas material was interesting, please send this pdf to my gamil also vraganvender@gmail.com</p>
<p>antoni raj sir can you please send this pdf to my gamil vragavender@gmail.com thanks in advance</p>
<p>Hi,</p><p>Can you please send these steps in a pdf to the below email id: sudersonsarathy@gmail.com.</p><p>We would want to have it for our entire flats in our community</p>
<p>Can't you go to &quot;Download&quot; above and do it yourself??..</p>
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It is so sweet, you folks are so polite and considerate, and also very eager to get involved in a good undertaking. I hope you undetstand that we Americans are sometimes amused, and sometimes frutrated with your use of English. But that is a minor matter, your hearts are so dear.
<p>What problem with English??... I read all of this and it was written in perfect English... ??</p>
<p>thank you...</p>
<p>dear sir, </p><p>can u send me all these pictures and more details to my mail id </p><p>cleanyog@gmail.com</p><p>waste of 4 people family is sufficient for this plant and how much gas is expected to generate?</p><p>regards</p><p>sudhakar shelke</p>
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<p>Hi, i was wondering if there was a better way to filter out the excess gases rather than quickly opening and closing the value</p>
I am not clear about your query. I suppose you mean that instead of opening the valve and releasing the initial gas, there may be a better way to filter out the excess gas.<br><br>The gas produced initially contains very little methane and won't burn. So you have to release the initial gas 2 to 3 times before you get burnable gas
<p>Hi <a href="http://www.instructables.com/member/antoniraj" rel="nofollow">antoniraj</a>,</p><p>Very Interesting Intervention.</p><p>Can you please email a pdf of steps to us.(studio.mode@gmail.com) We would love to try it out. </p><p>Cheers </p>
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Hi! Is it possible for you to send the instructions for making this biogas digester plant.<br>Email:- aditya.aryan333@gmail.com<br><br>Thanks in advance and Cheers for more projects for you! :)
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<p>hi sir,</p><p>am interested to follow your protocol to do plant for algae .is it possible? please suggest me.</p>
Plant for algae is some what different from the Biogas digester. Please go through some of the instructables at this link which will give you an idea about Algae cultivation and Bioreactor<br><br>http://www.instructables.com/howto/algae/
<p>Hi! Is it possible for you to send the instructions for making this biogas digester? </p><p>Email: mat_sumalinog@yahoo.com</p><p>Thanks in advance and Cheers for more projects for you! :)</p>
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<p>i am interested to do a project of this biogas but how can it be applied in a septic tank? and i am planning to use the excess slurry to feed the seedlings.</p>
You need some arrangement to collect the gas from normal septic tank which does not have a dome to collect gas. The inlet and outlet of the tank are also to be modified in such a way that they discharge in and out inside the slurry to prevent gas loss. You can use a large balloon type arrangement to collect the gas through the vent pipe which is part of the septic tank.<br><br>You can use the digested slurry to feed seedlings
<p>Hi,</p><p>I am interested to use this in a school project.</p><p>could you please send me more detailed instructions to my email: noah.emery@yahoo.com.</p><p>I will really appreciate this </p><p>thanks</p>
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You are amazing, i understood this project easily by ur clear steps and appropriate pics. I was finding this system with easy techniques.
thank you...
<p>Hi, </p><p>I am highly <br>interested to try it for domestic use. I live in Colombia. Can you<br> send me more detailed instruction through my email. The email is 20.mauricio@gmail.com. I will really appreciate this. thanks</p>
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Please could you make a video on how it is done step by step.<br>My email is olaidemogaji@gmail.com<br>I am a physics student of the University of Lagos and the University is close to a slum which generates very large amount of waste but no one to tap into such abundance. We complain about lack of power supply but fail to tap into such golden oppourtunity.<br>It would be my utmost pleasure to have this video and carry such ingenious idea to the slum and bring them out of darkness.

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