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The Helios
Phosphate Process Buoy measures
phosphate through direct immersion in aeration
basins or final effluent. The buoy is filled by
the hydrostatic pressure of the water, and emptied
by air pressure. This eliminates the need for pumps
in the wastewater. Valves contact only air, reagents,
and calibration standards, assuring a high level
of reliability.
The Phosphate
Buoy is equipped with a filtration
cell, in which wastewater is separated from
sludge and solids before it is fed into the reaction cell.
During the phosphate measurement, a low volume of reagent
is accurately regulated to assure high
measuring accuracy with low
reagent consumption. The buoy automatically calibrates
itself daily using the standard addition method, and at the
same time compensates for variability in the wastewater. |
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