Vermont dairy installs biodigester--sells energy it generates to utility company.Green Mountain Dairy, Sheldon, VT, recently installed a biogester which utilizes unprocessed cow manure as a renewable resource and greatly reduces pathogens, fly and insect larvae Larvae, in Roman religion Larvae: see lemures. , weed seeds and odor. The remaining bio solids are pumped from the effluent pit at the end of the vessel to a manure solids separator. Separated solids, which have virtually no odor and look a good deal like peat moss peat moss: see sphagnum. peat moss or sphagnum moss Any of more than 160 species of plants that make up the bryophyte genus Sphagnum, which grow in dense clumps around ponds, in swamps and bogs, on moist, acid cliffs, and on , will be used as bedding for the herd. The separated liquid will gravity flow into the dairy's storage lagoon and can be pumped through an irrigation irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to grow certain crops, e.g., rice. nozzle for field spreading. In addition, the system can convert the waste into biogas bi·o·gas n. A mixture of methane and carbon dioxide produced by bacterial degradation of organic matter and used as a fuel. biogas Noun gaseous fuel produced by the fermentation of organic waste which is used to fuel a combined heat and power generator that can consistently generate a minimum of 250 kWh of electricity. The local utility company, through its cow power program, will purchase 3-phase power under contract with Green Mountain Dairy. |
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