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The effect of temperature on dairy waste decomposition and the production of methane gasFeatured science projectScience project video

Observation

The results show that the manure in the Erlenmeyer flask that was stored at 34 °C produced the most methane gas.

Storage temperature Methane gas produced by anaerobic process in manure (mm)
  Day 1 Day 2 Day 3 Day 4 Day 5
14 °C 6 11 17 25 32
24 °C 9 17 27 38 48
34 °C 13 31 48 67 85

The graph below represents the results of the above table:

Renewable Energy Science Project

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Complexity level:
7
Project cost ($):
50
Time required:
3 hours for preparation, 5 days to conduct this science project
Material availability:
You will need to obtain samples of cow manure for this science project
Safety concerns:

None.