The City of Cape Town's Role in Creating a Better Life for All - MILE
The City of Cape Town's Role in Creating a Better Life for All - MILE
The City of Cape Town's Role in Creating a Better Life for All - MILE
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Features <strong>of</strong> the Dos<strong>in</strong>g Control System<strong>The</strong> heart <strong>of</strong> the systema mass-flow meter<strong>in</strong>g device, (coriolis pr<strong>in</strong>ciple)to very accurately measureo masso densityo temperature <strong>of</strong> the product flow<strong>in</strong>g through it.This measur<strong>in</strong>g device is <strong>in</strong>tegrated with:An accurate dos<strong>in</strong>g pump with a variablespeed drive,In-stream probes to monitor pH <strong>of</strong> thewater dur<strong>in</strong>g coagulation,Spectrophotometer read<strong>in</strong>gs giv<strong>in</strong>g theUV Absorbance levels <strong>of</strong> the waterPLC-based computer system with feedback control loopsEnables extremely accurate:Dos<strong>in</strong>g control and monitor<strong>in</strong>g systemInventory control (not easily achieved when deal<strong>in</strong>g with large volumes <strong>of</strong> liquiddosed at relatively low rates)Data Acquisition, Control and Report<strong>in</strong>g System (DACAR TM )Gives plant managers <strong>in</strong>valuable <strong>in</strong><strong>for</strong>mation to help optimise the processes toma<strong>in</strong>ta<strong>in</strong> consistent high water quality with lowest possible chemicalconsumptions, etc.
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