Non-Chemical Water Treatment

NACE – “…devices considered to be no measurable for the apparent lack of a measurable change in the dissolved or suspended matter content…”

l Not easy to see if effective

l History of aggressive promotion

l Disparaged by chemical suppliers

Non-Chemical Techniques

S Magnets

S AC Solenoid Coils (Pulsed Electric Fields)

S Hydro cavitation

S Ultrasonic

 Effectiveness

S Can They Do SOMETHING?

S Can They Do EVERTHING?  YES MAYBE

Potential Benefits

S Eliminate environmental and safety concerns of chemical usage

S less prone to catastrophic upsets

S May allow less water usage

l May allow bleed to be used for irrigation

S May have lower life-cycle costs

Potential Issues with Chemicals

S requires careful supervision and handling

S Chemicals interact with each other

S Chemicals are often toxic

S Environmental regulations

What Do NCDs Do?

•  Make seed crystals
•  Minerals deposit on seeds and form a Powder
•  Physical biocide effect