Fullbrook provides alternative to titrators
Fullbrook Systems has presented the Kemtrak DCP007 photometer to a customer looking for a maintenance-free alternative to batchwise titrators.
In the Netherlands, drinking water is produced by purifying groundwater.
Groundwater is pumped from aquifers 40m to 200m deep.
Once this water is brought to the surface it is aerated and then filtered through sand filters to remove iron that imparts an unwanted flavour and a brownish colour.
Until recently, automatic titration units, which are expensive and time consuming to operate, have been employed to control the filtration stages that are used to keep the colour of the water below 5 Platinum Cobalt (Pt/Co) or Hazen colour units.
Fullbrook Systems has installed the Kemtrak DCP007 photometer for a customer looking to replace such automatic titrators.
In order to be able to monitor the required 5+/-0.2 ppm Pt/Co, a 200mm long pass flow cell was used and a second wavelength was used to compensate for any possible fouling and turbidity.
The analyser was factory calibrated and only required zeroing before it could be used.
The installation was simple and in just over one hour the Kemtrak was continuously monitoring water.
The DCP007 photometer has been in operation for a number of months and is proving to be a reliable system for continuous analysis in an unmanned process where 100 per cent up-time/availability and no maintenance is needed.
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