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Do you use the Most Beneficial amount of water treatment chemicals?

Written by Janice M on . Posted in Water & Environmental

Could you be under / over dosing chemicals you add to boiler water / cooler water in an industrial water treatment system?

Symptoms of incorrect chemical dosage:

  • Poor water quality
  • Excessive rust, corrosion, scale or biofilming of equipment
  • Reduced heat exchange and energy loss

Current trend – addition of a fluorescent tracer:

Accurately measuring the dosage levels of water treatment chemicals by adding a fluorescent tracer to either the chemical or body of water is becoming increasingly popular in modern, well maintained industrial water treatment systems.

The main benefit of adding a fluorescent tracer, such as PTSA (1, 3, 6, 8 pyrenetetrasulfonic acid, sodium salt) or fluorescein, is that you can accurately measure and maintain the correct dosage of treatment chemicals in real time.

The result of addition of PTSA to a formulation is the fluorescent response being proportional and graphically linear to the concentration of the chemical with which the system is dosed, between specific concentration ranges.

Another advantage of measuring PTSA concentration is that it does not require additional chemical reagents, but is simply measured by inserting a sample and reading the result.

Traditional Measurement:

Previously, the common way to measure chemicals in water treatment systems was to measure active ingredients, such as Molybdate and Phosphonate. Problems with measurement of these parameters were interference and deposition of these chemicals within the water system, resulting in possible miscalculations of the test results.

How does a fluorescent tracer work?

A fluorescent dye is added. A fluorphore covalently attaches to another molecule to effectively track its course and presence in water.

How can you measure Fluorescence?

Fluorescence can be measured in the form of PTSA or fluorescence in the range of 0 – 1000 ppb.

The innovative, new Lovibond® MD 640 combines a portable photometer (that measures 120+ of the important parameters of water analysis, from Aluminium to Zinc) with a flourometer (measures PTSA and fluorescein in water).

View Special Introductory Offer

You may also be interested in reading more about a Waste Water Monitoring Programme

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