31 Gpm Continuous Edi Modules For Ultrapure And High Purity Water Systems
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Module Nominal Flow 7.0 M³/H VEOLIA EDI Modules E-Cell MK-7 For Ultrapure And High Purity Water Systems
EDI Veolia E-Cell MK-7 Stack Industrial Module Key Features:
Quality Assurance
Notes: 1. Actual performance may vary depending on site conditions.
Reference Winflows projection software to verify expected
product water quality as well as the resistivity, sodium, and
silica performance guarantees that are offered for the design
conditions. To obtain boron or other guarantees, contact
Veolia. 2. Inlet pressure is determined by the downstream
pressure requirements for the product and concentrate
streams, the choice of counter-current or co-current
operation, and stack pressure drop. 3. At nominal flow and 25°C. Reference Winflows
projection software to verify for design conditions. 4. Reference the Winflows projection software and the E-Cell
Stack Owner’s Manual to verify feed water specifications for
the design conditions. 5. TEA (ppm as CaCO3) - Total Exchangeable Anion,
this represents the concentration of all of the anions
present in the feed water including contributions from OH- ,
CO2 and SiO2. Winflows must be used to confirm the
feed water TEA is acceptable at the specific
applications’ operating conditions. Table value is at minimum
flow and maximum temperature. 6. 1.0 ppm as CaCO3 feed water hardness limit applies
to standard counter-current flow operation only.
Allowable feed water hardness decreases to 0.1 ppm as CaCO3
in co-current flow operation. 7. Allowable silica limit decreases above 5 m3 /h
flow. Allowable silica limit decreases to 0.5 ppm
with feedwater hardness above 0.5 ppm as CaCO3. 8. The boron feed level is limited to 0.3 ppm as B whenever
there is a silica guarantee requirement or resistivity
guarantee requirement above 10 MOhm-cm, as higher boron levels
could impact performance. Without these requirements the limit
is 1.0 ppm boron. 9. Reverse Osmosis (RO) or equivalent feed water: RO provides
EDI feed water that is substantially free of particulate
matter, colloidal material and high molecular weight organic
substances, which can foul ion exchange media. RO permeate
quality is specified since EDI stacks contain packed beds of
ion exchange medium that cannot be backwashed/fluidized to
remove particulate matter. Systems with an open
system between a RO system (or other source) and E-Cell
(ex. tank, decarbonator) must be fitted with
filters immediately preceding the E-Cell, to protect the
E-Cell against contamination with particulate
matter. Generally, a 5 µm absolute or 1 µm nominal filter will
be acceptable. 10.APHA - color standard/scale named for the American Public
Health Association and defined by ASTM D1209.Veolia Water
Technologies |
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| Product Tags: Ultrapure Water Systems edi modules 31 gpm continuous edi modules High Purity Water Systems edi modules | ||||||||||
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