2-2 Noise
Invenergy Resp. 2-2:
| The facility will utilize both vacuum pumps and steam jet air ejector (SJAE) technologies. Vacuum pumps, located inside a building, will operate during start up to create the initial vacuum and once the plant is operating the SJAE’s will maintain condenser vacuum for normal operations. The vent flow from the SJAE’s is directed to the SJAE condenser, (a shell and tube heat exchanger located inside the building) which collects and condenses the steam and which allows any air to be exhausted to the outside. The flow of vented air will be relatively small since this is primarily non-condensable gases (i.e., air) removed from the steam cycle during unit operation. The flow will vent to atmosphere through a silencer mitigated to a level sufficiently low so as to achieve design objectives.
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Respondent:
| John Niland, Director, Business Development, Invenergy LLC Michael Theriault, Michael Theriault Acoustics, Inc.
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Date: | April 20, 2016 |