Showing posts with label small scale biogas digester. Show all posts
Showing posts with label small scale biogas digester. Show all posts

Construction of 45 liter biogas biodigester for beginner

To construct a simple biogas digester in the photo above is easy. The materials you need are readily available at any hardware store near your residential area.

Basically the system consist of:

1. Inoculum
2. Biogas biodigester
3. Biogas storage
4. Connection between biodigester and its biogas storage

Inoculum
Inoculum is a starter for the anerobic fermentation process to begin. It consist of consortium of microbes to help in digesting suitable raw material and able to turn them into biogas and effluent that is more environment friendly within a short period of time compared to conventional aerobic composting.

Biodigester

What is a biodigester? The function is to contain the fermentation process of food waste occurred in an aerobic condition without any oxygen.

Biogas storage
Used tyre tube to contain and store biogas produced from the fermentation.

Connector
A silicon clear host to connect gas produced from biodigester to the storage bag.

Other accessories and materials needed
PVC pipe, silicon gel, plastic and metal valve, etc.

Want to construct your own low cost biogas biodigester ? CLICK HERE!

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Low cost biogas digester design and lay out




I have always think of ways to recycle my kitchen wastes. Living in housing area with limited backyard space unable me to dig appropriate hole to bury all my kitchen waste without leaving smelly odor. I don't have any experience composting and food waste easily become smelly if you do not handle them properly. Then I came across anaerobic composting which is enclosed and used cow dung as starter. I feel this technique is practical and easy to construct. To make it interesting, I want to use a modified garbage bin and call it food waste recycle garbage bin just like when you throw your usual wastes into a dustbin but mine is a little bit different in which it can recycle organic wastes. That's how I came up with the idea.

Its not really difficult. Take a normal standard garbage bin at modified it a bit by installing inlet for feeding, outlet port for effluent and outlet valve for biogas to be collected into a tyre tube. Its that simple.

Then I built bigger module have an upgrade experience from my first biodigester as above. The new digester is 160 liter and connected to 500 liter biogas bag as storage. I also found how to modify a normal burner into a biogas burner.





Now I convinced that biogas generated at home really can be used for cooking.

Need Biogas Now?

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DIY Biogas: Make and Use Your Own Renewable Natural Gas

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