|
|
|
This site is
|
SCALE FREE INTERNATIONAL'S OPERATION SCALE
FREE INTERNATIONAL’S
system
is a
non-chemical, non-magnetic, environmentally friendly method developed to control
the most basic problems of water treatment. The
SFI
method addresses the four primary concerns of water
treatment for boilers, heat exchangers, chillers, cooling towers, evaporative
condensers, etc. as follows; Scale
is the ability of minerals in water to precipitate out of water, due to their
inherent electrical nature, and attach to the nearest metallic surface, i.e.
pipe or vessel. Because water has a dynamic electrical energy, the minerals in
water have the ability to move towards the nearest metal. This dynamic energy
acts as a magnet to attract minerals in the water. SCALE
FREE INTERNATIONAL’S
system
drains this
energy and creates a better electrolyte to the water system being treated.
SFI
simply stabilizes the electrolytic energy, removes it from the water and feeds
it to the dry side of the metal container we desire to protect. Without the
attraction to move, the minerals will stay in solution and with regular
conductivity control will be disposed of through automatic blowdown. The
SFI
process is considered a crystal modification process
similar to the reaction that occurs with the use of specialty chemicals such as
maleates, sulfated styrene and co-polymers or applied other electrolytic type
chemistry. These chemicals will disperse existing deposits or suspended solids.
Allowing
the minerals in water to stay in solution also inhibits corrosion for
SFI .
By allowing the natural alkalinity and calcium hardness present in the make up
water to increase, the pH tends to level off in the 8.8 to 9.5 levels. At these
levels the buffered alkalinity contributes to corrosion control. It is an
accepted fact that pH above 8.5 will contribute greatly to corrosion control.
This type of corrosion protection is considered a cathodic approach due to the
calcium carbonate ions migration into the high pH film around 8.3 to 9.5 level.
A thin layer of calcium carbonate is formed, enough to effectively maintain
satisfactory heat transfer while providing a protective film for corrosion
inhibition. Cycles of concentration are regulated to achieve maximum stability.
SFI ’s
microbiological
control is achieved by the utilization of a non-polluting copper/silver
ionization process that eliminates algae and bacteria growth. The
SFI
microprocessor control is set for automatic
application of copper silver ions and is not affected by environmental
conditions of water chemistry (pH, alkalinity, etc.). 4)
CONDUCTIVITY/SUSPENDED SOLIDS Conductivity
control for cooling tower and evaporative condensers are monitored and regulated
by the
SFI
microprocessor control
and conductivity probe. The control unit incorporates upper and lower level set
points for operation of electric solenoid valve. Suspended
solids control can be achieved via side stream filtration and is highly
recommended.
|
|
Home / About SFI / Applications / Contact SFI / Links / Rep Opps / Tech Info/ SFI News |
