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Digesters - Metropolitan Water Reclamation District of Greater Chicago

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Model Components – Natural Gas Input• Natural gas from utility can beinput as additional energy• Natural gas to either plantheating and/or MBM• Variable amounts <strong>of</strong> natural gascan be provided to balance plantheating demands• Natural gas prices can be varied(as well as electricity prices)Natural Gas to Plant Heating%NG 0%0 mmBtu/hrNatural Gas to MBM Facility50 mmBtu/hrDirect Gas to Plant Heating21 mmBtu/hr80% efficientPlantHeatingBoilers• MBM contract pricing isconsidered

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