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No Chemical, Zero Bleed Cooling Tower Water Treatment Process
Abstract
This paper describes a process to treat
cooling tower water by means of a fully automated
and chemical free mechanical water treatment
process. This is an alternative to conventional
chemical treatment. Beginning with a suction pump
to draw water out of the tower sump, water goes
through a permanent magnetic descaler to increase
the water solubility and begin the scale
inhibition process. This also descales existing
scale build-up in the system. Ozone is
manufactured from ambient air and injected into
the bypass system through a venturi type injector.
This kills algae, slime and bacteria and
enhances the magnetic descaling process. The
final stage filter separates solids from the water
to prevent corrosion from impingement. These
solids are automatically purged to the sanitary
drain. Clarified water is returned to the sump
where the process repeats on a 10%-20% by volume
side stream basis.
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Citation
Coke, A. L. (1992). No Chemical, Zero Bleed Cooling Tower Water Treatment Process. Energy Systems Laboratory (http://esl.eslwin.tamu.edu). Available electronically from https : / /hdl .handle .net /1969 .1 /92208.