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RENEWABLE NATURAL GAS FROM MANURE

Bench-Scale Biomethane Production Tests


Coagulants - Alum increased potential specific CH4 methane yield by 15%

Kemira C557 1.8 mls in 1,000 mls barn flush water, detention time 40 minutes 400 mls solids, 73 minutes 275 mls solids, Kemira C573 and C581 less effective respectively.  2 mls of alum (35.74 Degrees Baume, 48.7% Sluminum Sulfate Solution, MC Chemicals) in 500 mls of barn flush, floc volume 150 mls, detention time 7 min.