and purchased
natural gas which is mixed with air to lower the BTU levels closer to digester
gas. This biogas enters a manifold system, goes through a scrubber to remove the H2S, a harmful greenhouse
gas, and a chiller unit to remove the moisture from the
gas. Compressed from 7 inches of water column to 3 psi, the
gas enters a second carbon scrubber to remove siloxanes which can harm the engines. In their static
inline mixer, this cleaned and compressed biogas is mixed with the diluted
natural...
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