IONTECH
®
IT-DS EDI Modules
For recovery of 90-95%, feed water silica must be
1 ppmasSiO
2
Table 3-3 Minimum Concentrate Flow Rates
Module Type No. cells Minimum Concentrate Flow Rate
IT-DS05-S 4 0.07 gpm [16.2 lph]
IT-DS10-S 10 0.16 gpm [35.6 lph]
IT-DS20-S 18 0.27 gpm [61.4 lph]
IT-DS30-S 30 0.44 gpm [100.3 lph]
IT-DS50-S 45 0.66 gpm [148.8 lph]
NOTE: The concentrate flow rates per module should never drop below
the recommendations in Table 3-3. Failure to maintain necessary
concentrate (reject) flow rates can create improper flow distribution
(channeling), decrease product quality and potentially permanently
damage the EDI module through overheating.
Equation 3-1 Recovery Equation
4 Maintenance and Troubleshooting
The following section details the maintenance procedures for the IT-DS module. It contains general
maintenance information and specific maintenance information for cleaning and sanitizing the
NOTE: The cleaning chemical volumes & flows detailed in this section are per a single
This section also lists possible problems and troubleshooting procedures for the IT-DS module. All
operators and personnel involved with the module should read and become familiar with all
maintenance and troubleshooting procedures.
4.1 General Maintenance Guidelines
4.1.1 Operating Data Log Sheets
IT-DS system log sheets should be filled out daily to provide early detection of problems that could
jeopardize the warranty and potentially damage the module. A typical log sheet is included at the
end of this section 4.1.1. Because instrumentation may vary depending on the type of system the
module is installed into, this log sheet may not apply to your particular system. The system
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