Industrial & Commercial Reverse Osmosis (RO) Service in Ontario

For industrial, commercial, and institutional facilities operating process-water or high-purity RO systems. Service includes CIP and membrane cleaning, dosing review, troubleshooting, performance normalization, and replacement planning across Ontario, with Canada-wide project support.

ICI systems only: Eclipse does not provide residential drinking-water, under-sink, or whole-home RO services.

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Industrial and commercial RO for process water

Reverse osmosis (RO) uses pressure to separate water from many dissolved constituents. In industrial and institutional treatment trains, RO may be used for process water, utility or boiler-feed pretreatment, rinse applications, or as pretreatment ahead of deionization. The suitable configuration depends on feed-water chemistry, required water quality, demand, recovery objectives, and the equipment already at the facility.

This service is for facility operators, plant managers, maintenance teams, and engineering or water-treatment professionals responsible for commercial or industrial equipment. It is not a residential drinking-water or whole-home system service.

Planning a new or upgraded system? Eclipse provides industrial RO engineering, system design, equipment supply, installation, start-up, and ongoing maintenance. See our industrial RO system services and system planning guide.

How we assess an RO performance issue

A symptom alone rarely identifies the cause. Lower permeate production, rising pressure, or changing permeate conductivity can have different causes, so assessment starts with the operating conditions and history rather than assuming that a membrane clean or replacement is the answer.

  1. Define the change: When did performance begin to shift, and what changed in production demand, feed water, operating schedule, or maintenance?
  2. Review system readings: Compare feed, concentrate, and permeate flows; pressures; temperature; and feed/permeate conductivity where available.
  3. Check pretreatment and dosing: Review cartridge-filter pressure drop, softening or carbon performance, chemical feed, and oxidant control as applicable to the system.
  4. Compare like with like: Account for operating conditions and use normalized performance data where the information and system design allow, before deciding whether cleaning is indicated.
  5. Plan the next step: Based on the evidence, determine whether troubleshooting, cleaning, pretreatment correction, or membrane replacement planning is appropriate.

For common symptoms and maintenance considerations, see the industrial RO troubleshooting guide. Cleaning guidance is covered in the RO membrane cleaning (CIP) guide.

What to include in an industrial RO service request

For facilities across Ontario and Canada, these details help us understand the system and discuss a suitable service approach:

Do not delay urgent safety or plant-response procedures while collecting data. Follow your facility's operating and chemical-handling requirements.

What we support

  • RO CIP and membrane cleaning, disinfection and storage preservation
  • Performance review and normalization
  • Antiscalant, dechlorination (sodium metabisulfite) and pH dosing review
  • Cartridge filter and pretreatment review
  • Pump, instrument and interlock checks
  • Membrane replacement and housing inspection

Why RO systems drift

Fouling, scaling, oxidant exposure, unstable pretreatment, and poor monitoring can all reduce flow and rejection over time.

RO troubleshooting guide →

High-purity applications

RO is often the core of a broader treatment train that includes softening, carbon filtration, and downstream polishing DI.

See high-purity water systems →

RO CIP and membrane cleaning

Clean-in-place restores flow and rejection lost to scale, metal oxides, organics, and biofilm. We help identify the foulant first, then match the chemistry, whether a low-pH clean (citric, malic, glycolic, or oxalic acid) or a high-pH clean (caustic with surfactant or EDTA), followed by a non-oxidizing biocide where appropriate. Cleaning should be based on normalized data, and frequent cleaning usually points to a pretreatment or dosing problem that should be fixed at the source.

Read the RO CIP guide →

Chemicals, pretreatment and equipment

Antiscalant

Dosing review to keep carbonate, sulfate, and silica scale from forming, including pump and low-level interlock checks.

Dechlorination

Sodium metabisulfite or carbon, with ORP or free-chlorine monitoring to protect polyamide membranes from oxidants.

pH and coagulants

Acid or caustic for scaling and permeate pH, and coagulant review to protect the RO from colloids and metal carryover.

Prefilters, pumps and controls

Cartridge filter changes by pressure drop, high-pressure pump and VFD checks, and instrument calibration.

RO chemicals guide →

Frequently asked questions

What does reverse osmosis service usually include?
It typically includes membrane cleaning (CIP) and disinfection, performance review and normalization, cartridge filter and pretreatment checks, chemical dosing review, troubleshooting, and membrane replacement planning.

What is RO CIP and when is it needed?
RO CIP (clean-in-place) is a controlled chemical cleaning of installed membranes to remove scale, metal deposits, organics, and biological growth. It is usually needed when output drops, pressure rises, or permeate quality slips, and the cause should be identified first so the right approach is used.

Which chemicals does an RO system need?
Common ones are antiscalant to prevent scale, sodium metabisulfite or carbon to remove chlorine, acid or caustic for pH control, and cleaning chemicals such as citric, malic, or glycolic acid, caustic with surfactants or EDTA, and non-oxidizing biocides. The right set depends on your feed water, which is why it should be reviewed for your system.

Why do RO systems lose performance over time?
Fouling, scaling, oxidant damage, unstable pretreatment, and weak monitoring can all reduce flow and rejection over time.

Does pretreatment affect membrane life?
Yes. Pretreatment stability directly affects fouling risk, cleaning frequency, and membrane life.

How often should RO membranes be replaced?
It depends on feed quality, pretreatment, and maintenance history. Replacement is usually considered when cleaning no longer restores performance or permeate quality can no longer meet your needs.

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