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Chemical Compatibility

RO/UF/EDI System — Caustics/Bases

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Named chemicals

Sodium Hydroxide (alkaline CIP cleaning)
Direct answer

LibertyCES has documented RO/UF/EDI System in Caustics/Bases service, including Sodium Hydroxide. Wetted materials to confirm: Stainless steel/FRP CIP skid. Documented models include AXEON CIP-Series. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.

Notes from the vendor documentation

Organic fouling maps to alkaline/NaOH cleaning per AXEON's CIP reference table.

Materials documented for this service

  • Stainless steel/FRP CIP skid

Products cited for this service

AXEON CIP-Series

Real Specifications

SpecValueSource document
CIP foulant-to-cleaner table (organic fouling)Organic fouling calls for alkaline cleaners such as sodium hydroxide per AXEON's CIP-Series reference tableAXEON Water Technologies — Reverse Osmosis / Membrane Systems
CIP-Series constructionStainless steel frame with integrated heating element for cleaning-solution temperature control and level switches to prevent pump dry-runningAXEON Water Technologies — Reverse Osmosis / Membrane Systems
Cleaning trigger thresholds10-15% permeate flow decrease, 10-15% salt passage increase, or 15-20% pressure drop increase across membrane elementsAXEON Water Technologies — Reverse Osmosis / Membrane Systems
Install / Failure Note

CIP-Series skids include level switches specifically to prevent dry-running the cleaning-solution pump during an alkaline (NaOH) wash cycle.

Matching cleaner chemistry to foulant type is the whole game in CIP: organic fouling needs an alkaline wash like sodium hydroxide, and dosing an acid cleaner against organic fouling — or vice versa — leaves the foulant in place while burning a cleaning cycle and chemical inventory for nothing.

Every material and product claim on this page traces to real, vendor-published documentation on file with LibertyCES. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.

FAQ

Can RO/UF/EDI System handle Caustics/Bases?

Organic fouling maps to alkaline/NaOH cleaning per AXEON's CIP reference table.

What wetted materials should RO/UF/EDI System use in Caustics/Bases service?

Materials documented for this service: Stainless steel/FRP CIP skid. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a spec review before final specification.

Which Caustics/Bases chemicals does this cover?

Named chemicals in this documentation: Sodium Hydroxide (alkaline CIP cleaning).

Which RO/UF/EDI System models are documented for Caustics/Bases?

Documented examples include AXEON CIP-Series.

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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated