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Monday, October 06, 2008

how much bio gas can i produce

How much Biogas can I produce?
The following is a calculator for estimating the amount of biogas your operation can produce. The calculator is a guideline only and should not be used for design purposes.

Choose the biogas production number that applies to your operation...
Example: 600 sow farrow to finish operation, choose Farrow to Finish

Hogs

Cubic metres biogas per hog per year

Farrow to Finish

720

Farrow to Wean

222

Farrowing

174

Weaner

24

Feeder

78

Dairy

Cubic metres biogas per cow per year

Freestall

860


Multiply the number of animals by biogas production number...
Example: 600 hogs x 720 m3 biogas / hog / yr = 432000 m3 biogas / year

Multiply the result by the numbers below for cogeneration of electricity and heat...

____________ x 1.7 kWh/ m3 biogas = _________ kWh of electricity per year
____________ x 7.7 MJ/ m3 biogas = _________ MJ of heat per year

Multiply the result by the numbers below for heat production using boiler....
____________ x 15 MJ/ m3 biogas = _________ MJ of heat per year

 

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