ICB Acid Scavenging Elements0 pages

HY-PRO FILTRATION
ICB - DRY ION CHARGE BONDING
ICB Element Upgrades
Eliminate & prevent EHC servo valve sticking and reduce fluid maintenance requirements.
Replaces Fuller’s Earth and Selexsorb for EHC systems using phosphate ester.
Eliminate the largest source of fluid
contamination and reason for EHC failures.
Remove & maintain Acid Number to < 0.05.
Eliminate gels & deposits by removing dissolved metals (Ca, Mg, Fe, Na, Si, Al).
Phosphate Ester Fluids
For most EHC systems the primary operating fluid is phosphate ester. This is a very safe and effective fluid that when maintained in a narrow condition range
regarding acid number, water and particulate can
deliver years of trouble-free optimum performance.
When the fluid is not properly maintained the result is servo valve failure. Other issues include accelerated
acid production, loss of resistivity, poor air release, premature fluid replacement, costly system flushes
and fluid degradation related component failures.
Dissolved Metals, Gels & Deposits
Airborne contamination (i.e. seawater & agriculture - Cl, Mg, Ca, Na) and traditional acid scavenging elements (Fuller’s and Selexsorb - Al, Si, Na) contribute dissolved metals to EHC fluid.
As dissolved metals accumulate they act as a catalyst forming depots on servo valves and gels that can cause valve stiction and mask filter elements. ICB elements do not contribute metals and will remove dissolved metals from airborne ingress and element leaching to < 10ppm.
NO METALS = NO DEPOSITS / NO GELS
Acid Production
The primary sources of fluid degradation in phosphate
ester are Oxidation (heat) and Hydrolysis (water) which act on phosphate ester to form acids. Dissolved metals from Fuller’s and Selexsorb elements enable the acid creating a autocatalytic effect where air retention
increases which accelerates oxidation (more acid).
Acid production rates are directly related to the existing Acid Number (AN or TAN). Acid production at AN >
0.20 is significantly higher than at AN of 0.05. The
lowest fluid maintenance costs are achieved when the Acid Number is maintained at < 0.05.
Autocatalytic
Reaction
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