Important things to remember for a biogas generator:
-both pipe extend to the very bottom;
-intake pipe is cut at the bottom at a 35 degree angle;
-output pipe is cut at a location which corresponds to the middle of the fluid tank;
-best have two ball valves (one for the digester tank and one to fill the other containers;
-airtight;
-55 gal drums have two bungs holes one is coarse threaded and one is fine threaded;
-put extra vertical pipes, ropes, poles so the bacteria can have more surface area to live on;
-one category of methane producing bacteria will live near the bottom and and second category of methane producing bacteria will live near the top of the tank;
-1:1 slurry of cow manure first and water but don't agitate or the mixture will end up with more oxygen which kills the methane producing bacteria;
-it takes two weeks for the first methane gas to show up in quantity enough to burn at outlet;
-begin to feed only after getting burnable gas after two weeks.
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