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GREENFIELD — The town is looking at how it might dispose of its own sludge in the future to save
Town officials believe an anaerobic digester and combined heat and power facility would eliminate the costs associated with shipping the wet solids, as well as the cost to heat and provide electricity to the transfer station.
This is not just a matter of saving money, though,” said Collins. “It is also a social justice issue. A lot of these plants, like the ones we transport to, are closing down. We really need to be dealing with our own sludge, not sending it off into other communities.”
[…] anaerobic digestion is a natural process where sludge (plant and animal waste) is broken down by micro organisms, which release the methane, or biogas, that can be used to generate heat and electricity.
“This helps cut fossil fuel use and reduce greenhouse gas emissions,”[…] “The remaining material is rich in nutrients and can be used as fertilizer.”
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