Tubular Anaerobic Digesters for Backyard Farms
Published on Dec 12, 2016
Want biogas? See how to install simple tube digesters on a swine farm.
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PRESENTATION OUTLINE
Tubular Anaerobic Digesters for Backyard Farms
Why Anaerobic Digestion?
Control odors and improve sanitation
Produce renewable energy
Protect local waters
Is a tubular digester right for my farm?
Photo by ed_needs_a_bicycle
Good for farms with 5-50 pigs
Suitable for farms with a shallow water table
Photo by Mia Feigelson Gallery
Appropriate for flat terrain
What are the costs? About 2,300 PHP (US $45) per cubic meter
2,300 Philippine pesos is roughly equivalent to $46
Photo by Instant Vantage
Digester Steps
Plan the digester
Gather materials
and equipment
Stake the site
Excavate the site
Build trench
Measure material for waste collection bag
The waste collection bag and the biogas storage bag can be fabricated at an offsite location, such as a warehouse
Prepare inlet and outlet boots
Connect boots to tube
Test welds
Fabricate gas storage bag
Transport digester to site
Test for leaks
Install biogas storage bag
or storage inner tube
Install pressure release device
Insert gas lines
Install gas meter
Connect gas lines to home
After system collects and digests waste...
Use biogas!
After several days of digesting waste, biogas will be available for use.
