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24 Volt Instruments
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This voltage is used on many instruments, as it
provides for longer instrument life, and is
intrinsically safe.
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Aeration
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The process occurring in a large tank (cell),
where compressed air is piped through an air
manifold at tank bottom, and passes through
aeration diffusers. The diffusers create small
bubbles to maximize oxygen transfer into the
water. This process provides oxygen to the
biological microbes in the wastewater that ﾓeatﾔ
the dissolved organic matter, thereby creating
settleable organic solids.
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Aeration Controls
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The combination of primary instruments,
automated valves, control panels, and software
used to automate and optimize the aeration
process.
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Air Filters
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A device located at the blower inlet containing
a filter that removes airborne particulates.
Is generally combined with an inlet silencer.
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Air Flow Control Valves
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Are generally high performance butterfly valves,
specifically sized to control the volume of air
flow into an aeration cell. The actuator is
modulating continuous duty, with feed forward,
feed back, and limit-switch controls.
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