A Division of Hoffman Water · Pretreatment Specialists with 25+ Years of Experience

Commercial & Industrial Reverse Osmosis Systems in Ohio

Engineered RO water treatment for facilities that need water purer than softening alone delivers. We size each system to your flow and recovery, select the membrane to your feed water, and build the pretreatment to protect it. Serving Cincinnati, Dayton, Columbus, and facilities across Ohio.

Chemical Engineer-Led Since 1998 25+ Years
Request a Site Assessment Call 24/7: (937) 508-8739
  • Licensed & Insured
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  • Locally Owned, Ohio-Based
  • Engineer-Led Since 1998
  • Satisfaction-Backed Service
Commercial reverse osmosis system with membrane housings and control panel, a Hoffman Soft Water installation
A skid-mounted commercial RO system with membrane housings and feed controls.
What RO Removes

When Softening Stops Scale But Your Process Needs More

A softener trades calcium and magnesium for sodium. That stops scale, but the total dissolved solids stay in the water. For boiler feed makeup, food and beverage production, and lab work, the dissolved load itself becomes the problem. That is where reverse osmosis earns its place.

RO pushes water through a semipermeable membrane and rejects most of what is dissolved in it. A well-run commercial system drops conductivity by 95 to 99 percent, so water that arrives loaded with minerals leaves close to pure. We engineer RO water treatment for the contaminants softening leaves behind.

  • Total Dissolved Solids

    RO strips the dissolved mineral load that raises boiler blowdown, spots final rinses, and throws off product chemistry.

  • Sodium

    Softening adds sodium to the water. RO removes it, which matters for low-sodium product specs and high-pressure boilers.

  • Silica

    Silica forms hard, tenacious deposits on turbine blades and heat exchangers. RO knocks it down before it ever plates out.

  • Conductivity

    For rinse water and lab feed, conductivity is the spec. RO is the practical way to bring it down by orders of magnitude.

Reverse Osmosis Performance Figures

95–99%
Dissolved solids rejected by a healthy RO membrane
Measured as conductivity reduction
50–80%
Typical recovery on commercial systems
Set by feed water chemistry
3–5 yr
Membrane life with proper pretreatment
Shorter when pretreatment is skipped
How It Works

Semipermeable Membrane, Rejection, and Concentrate

A high-pressure pump drives feed water against a semipermeable membrane. Water molecules pass through. Most dissolved salts, sodium, and silica do not. The water that makes it through is called permeate, and it is what your process uses.

The solids that stay behind get swept off the membrane into the concentrate stream, the reject that carries them to drain. Recovery is the share of feed that becomes permeate. Push recovery too high for your water and salts concentrate to the point they scale the membrane, so we set it from your water analysis, not a default.

Rejection is the share of dissolved solids the membrane keeps out. The two numbers, recovery and rejection, define how a commercial reverse osmosis system performs. We engineer both around your feed water and your purity target.

Term What It Means For You
Feed The raw water entering the RO, after pretreatment
Permeate The purified water your process runs on
Concentrate The reject stream carrying solids to drain
Recovery Percent of feed that becomes permeate
Rejection Percent of dissolved solids kept out of permeate
Systems We Engineer

RO Systems Built Around Your Water, Not a Catalog

We build commercial and industrial RO systems for Ohio facilities from the feed water analysis up, specifying the membrane, the array, the controls, and the footprint to match your flow. No two facilities draw the same water, so no two systems leave our shop identical.

Sizing by Flow & Recovery

We start with the gallons per day your process needs and the peak flow it draws, then set a recovery target your feed water can sustain. That fixes the membrane count, the array, and the pump. Size it wrong and you either starve the process or scale the membrane.

Best for
Any facility matching RO output to a real process demand

Membrane Selection

Brackish feed, high silica, and high-rejection lab specs each call for a different membrane. We match element type, surface area, and rejection rate to your water and your purity target so the system hits spec without over-spending on the wrong element.

Best for
Tight purity specs, difficult feed water, high silica

Skid vs. Modular

A pre-piped skid drops in fast and runs as one unit. A modular build fits tight rooms and scales as demand grows. We recommend the layout that fits your floor space, your flow, and how you expect the plant to change.

Best for
New installs, retrofits, and phased capacity

Controls & Monitoring

Conductivity meters, pressure gauges, and automated flush keep the system honest and the membranes clean. We instrument every RO so you can see permeate quality and recovery at a glance, and so we can catch a fouling trend before it becomes a failure.

Best for
Facilities that need verified water quality and uptime
Pretreatment for RO

The Pretreatment Is What Makes the Membrane Last

Reverse osmosis membranes are precise and unforgiving. Hardness scales them, chlorine oxidizes them, and suspended solids foul them. Skip the pretreatment and you replace membranes on a schedule no budget wants. Build it right and the same membranes run for years.

Commercial water softening upstream removes the calcium and magnesium that scale the membrane surface, the single most common cause of premature RO failure on Ohio's hard water.

Activated carbon and sediment filtration and treatment strip the chlorine that attacks membrane material and catch the particulates that plug the elements. We engineer the softening, the carbon, and the sediment stages as one train sized to feed the RO.

We design the pretreatment and the RO skid together. That is how you protect the membranes, hold the recovery target, and keep operating cost down over the life of the system.

Pretreatment Train, In Order

Sediment filtration catches suspended solids. Softening removes hardness so it cannot scale the membrane. Activated carbon strips chlorine before it oxidizes the element. Then the feed reaches the RO clean, and the membranes do their job for years instead of months.

Explore Filtration & Pretreatment
Applications

Where We Install Reverse Osmosis

Any Ohio facility that needs low dissolved solids or low conductivity water, from boiler rooms to research labs.

Boiler Feed Makeup

Reverse osmosis for boiler feed cuts dissolved solids, lowers blowdown, and protects high-pressure boilers from silica scale.

Food & Beverage

Reverse osmosis for food and beverage delivers consistent low-mineral water for product, ingredient blending, and clean-in-place.

Labs & Pharma

Reverse osmosis for labs and pharmaceutical facilities feeds high-purity loops and final DI polishing at the conductivity you spec.

Parts Rinse Water

Low dissolved solids rinse water leaves no mineral residue on finished parts, plating lines, and precision components.

Humidification

RO feed keeps humidifiers and steam systems free of mineral dust and scale, protecting cleanroom and process air quality.

Spot-Free Final Rinse

A spot-free final rinse with RO water dries clear on glass, optics, and vehicle finishes with no mineral spotting.

FAQ

Reverse Osmosis Questions

A softener swaps hardness minerals for sodium, so it stops scale but leaves the total dissolved solids in the water. Reverse osmosis pushes water through a semipermeable membrane and rejects most of the dissolved solids, sodium, and silica, dropping conductivity by roughly 95 to 99 percent. Use softening to protect equipment from scale. Use RO when your process needs water purer than softening alone delivers.
Yes. Pretreatment is the single biggest factor in membrane life. Softening removes the calcium and magnesium that scale the membrane, carbon strips the chlorine that oxidizes it, and sediment filtration keeps suspended solids off the surface. We engineer the pretreatment train and the RO skid together so the membranes last and the recovery target holds.
We start with the gallons per day your process needs and the peak flow it draws, then set a recovery target based on your feed water chemistry. From there we select the membrane count, array, and pump, and we size the pretreatment to match. Feed water with high silica or hardness lowers the recovery you can run, so we size from a water analysis rather than a catalog number.
An RO system splits the feed into permeate, the purified water your process uses, and concentrate, the reject stream that carries the rejected solids to drain. Recovery is the share of feed that becomes permeate. We set recovery as high as your water chemistry allows so you send less water down the drain without scaling the membrane.
We install RO for boiler feed makeup, food and beverage production, laboratories and pharmaceutical facilities, parts rinsing, humidification, and spot-free final rinse. Any Ohio facility that needs low dissolved solids or low conductivity water is a candidate, from manufacturing plants to research labs.
Yes. RO membranes foul over time, and recovery drifts as feed water shifts through the seasons. We monitor membrane performance, track conductivity and pressure, clean and replace membranes on schedule, and keep the pretreatment tuned. Doug personally responds to emergencies. Call (937) 508-8739 any time.
Related Services

Complete Pretreatment Solutions

Reverse osmosis works best as one stage in a full pretreatment strategy. Explore the systems that feed and support it.

Water Softening

Ion exchange softening removes the calcium and magnesium that scale RO membranes, the most important pretreatment step ahead of any reverse osmosis system.

Learn More →

Service & Monitoring

Membrane performance tracking, conductivity and pressure monitoring, and emergency response to keep your RO running at its recovery target.

Learn More →
Get Started

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Tell us about your facility and we'll come to you. On-site water test, flow measurement, system evaluation, and a detailed RO recommendation. No obligation.

No obligation site assessment. We test your water, evaluate your systems, and give you a real recommendation. Whether you engage us or not.

We'll respond within one business day with next steps.

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