Question:
The proportion of wet cow dung and water in slurry feed to the digester is
The proportion of wet cow dung and water in slurry feed to the digester is
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For cow dung biogas, keep it simple: equal parts dung and water.
Updated On: May 5, 2026
- 4:1
- 3:1
- 2:1
- 1:1
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Concept
Proper mixing of substrate is essential for efficient anaerobic digestion in a biogas plant.
Step 2: Meaning
The mixture (slurry) must have the right total solids content to allow bacteria to move and interact with the waste.
Step 3: Analysis
For cow dung, which already contains significant moisture, the standard recommendation is to mix it with an equal volume of water.
Step 4: Conclusion
This results in a mixing ratio of 1:1.
Final Answer: (D)
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