Purify your biogas using scrubbers.
Watch below:
How to calculate the sizing & volume (diameter & height) digester to be constructed
This is how Mark Aæ calculate the sizing & volume (diameter & height) to be constructed of floating and fixed type biogas for pigs, cattle & chicken
3 PRIME STAGES TO INITIATE BIOGAS
3 STAGES TO INITIATE BIOGAS:
1. Maturation of fresh cow dung starter
2. Acclimatization of matured starter to new waste
3. Optimization of feeding to obtain best ratio of waste to water, temperature and digester size for routine feeding
AT FIRST MY GAS IS BURNING BUT THEN STOP PRODUCING. WHY?
So, when the the first batch of biogas is produced, it showed that your dung starter is already matured and ready to produce next batch of biogas. But it is only the beginning. The number of microbes have already multiply several folds compare to fresh dung. Matured starter can produced biogas faster then fresh dung. However, you cannot jump to conclusion that you can add any waste in any amount. How would you push microbes from dung to suddenly adapt to digest waste from different sources? It is impossible! You have to start slowly introducing alien waste into this matured starter. So that these microbes could first learn to recognize then adapt to the new waste. Introduce the new different waste little by little until the sensitization process is complete. Introducing large amount of alien waste to a new digester will cause your starter became shock and stagnant. Give them time to learn. They are not machine but only living things like us. Have mercy ok.
WHY MY GAS IS NOT BURNING?
When I first initiate my digester with zero knowledge about biogas my favourite question was why is there no any gas produced? So you are very lucky if there is gas production by the new digester because carbon dioxide will come out first in the beginning before then methane. You have to understand that biogas is actually mix of several type of gas like carbon dioxide, methane and other inert gas. Along the process of biogas production, in the beginning of chain reaction, acidification will first occurr thus producing carbon dioxide. It is normal to have carbon dioxide in the very beginning. It is a positive sign that your digester is working well and will produce methane a bit later according to the chain reaction. Unless your digester is continuously producing carbon dioxide after months of starting then you have to start worry there might leakage somewhere along digester system.
Biogas Digester Simple Design
Hi,
Welcome to Biogas DIY,
AREN'T YOU STILL STRUGGLING DO NOT KNOW HOW TO BUILD SIMPLE DIGESTER?
Do not worry. I have provided you with a simple design suitable for beginner to understand.
To directly begin with simple basic small scale biogas digester design and its functions please click the link below.
Other information according to step (do not skip either step):
Small project for beginner:
Zero about biogas?
Biogas Bag for Storage
Storage using gas bag is easy. Choose bag size big enough for own use or otherwise you will suffer since every time its full then you have to burn or flare the biogas for cooking. A bag full of gas you may not want it to get full to maximum because if it full will prevent additional gas going into it. What happen next is the excess gas will push the slurry out of digester.
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