Treatment Technologies

    Reverse Osmosis System Companies

    RO system integrators for brackish, seawater, and industrial process water, skids, containerized plants, and engineered solutions.

    204 providers

    This page is a good fit if you need:

    • Reverse Osmosis (RO) or Filtration capabilities
    • Suppliers with utilities sector experience
    • Providers operating in China or Italy
    Providers
    204
    Verified
    4
    Countries
    28

    Can't find the right fit? Post a brief and let qualified suppliers come to you.

    Post a project

    Find a Reverse Osmosis System Provider

    Showing 201-204 of 204

    204 results from 204 matched providers

    Liquid X logo

    Liquid X

    Verified
    United Arab Emirates1-50 employees
    Granular Activated Carbon (GAC) Filters · GO–Polymer Composites · Cartridge Filters
    mea

    Liquid X is a water technology consultancy and commercialization platform focused on accelerating the deployment of next-generation filtration solutions, with a core emphasis on graphene-based water treatment. Founded to address the gap between breakthrough innovation and real-world implementation, Liquid X operates at the intersection of advanced material science, water infrastructure, and market deployment. While significant advances in water technologies exist globally, many remain confined to laboratories or early-stage ventures. Liquid X bridges this gap by identifying, validating, and commercializing high-impact solutions—particularly graphene-based filtration systems—within the GCC and wider MENA region. Our consultancy model is built around a full lifecycle approach: from technology scouting and technical evaluation to pilot design, validation, and scaled deployment. We work with asset owners, governments, and enterprises to translate emerging technologies into practical, site-ready solutions. This includes designing pilot programs with measurable performance metrics, enabling data-driven decision-making, and ensuring that innovations are proven under real operating conditions before scale-up. A key focus of Liquid X is the commercialization of graphene-based water filters. Graphene, a two-dimensional material with exceptional strength, permeability, and adsorption capacity, has the potential to fundamentally transform water treatment. Its nano-scale structure allows precise separation of contaminants while enabling faster water flow and lower energy consumption compared to conventional systems. Through strategic partnerships with innovators, researchers, and manufacturers, Liquid X is actively working to bring graphene filtration technologies from concept to market. These systems are being developed to address some of the most critical water challenges, including the removal of PFAS and emerging contaminants, heavy metals, dissolved solids, and industrial pollutants—while significantly reducing waste and energy intensity associated with traditional technologies such as reverse osmosis. Our role extends beyond technology development. Liquid X supports the full commercialization journey, including: Technical due diligence and performance validation Pilot implementation and third-party verification Integration with existing infrastructure Development of scalable deployment models Coordination with EPC contractors, facility managers, and regulators Ongoing monitoring, compliance, and optimization By operating as a vendor-agnostic platform, we ensure that solutions are selected based on performance, suitability, and long-term value—not vendor bias. The MENA region faces some of the world’s most acute water challenges, including scarcity, high desalination dependence, and rising energy costs. Liquid X is positioned to introduce more efficient, decentralized, and sustainable alternatives through advanced filtration technologies. Graphene-based systems, in particular, offer the potential for lightweight, modular, and energy-efficient treatment solutions that can be deployed at scale across residential, commercial, and industrial applications. At its core, Liquid X is not just a consultancy—it is an enabler of the next generation of water infrastructure. By combining deep regional expertise with global innovation networks, we are helping transform how water is treated, distributed, and consumed. Our mission is to accelerate the transition from legacy, resource-intensive systems to smarter, more sustainable water solutions—unlocking the full potential of graphene and other advanced materials to build a more water-secure future.

    Activated Carbon Filtration
    Nanofiltration (NF) Systems
    Point-of-Use (POU) Filtration Systems
    +11 more
    food-beverages
    hospitality-tourism
    ACWA Services Ltd logo

    ACWA Services Ltd

    United Kingdom

    ACWA is one of the leading UK players delivering innovative sustainable process solutions and technologies for both municipal and industrial clean water, wastewater and bio-solids treatment. ACWA design and execute resilient cost-effective technologies which address the needs of our clients and their regulatory drivers whilst helping to address climate change. ACWA provides expert technical products and services to the water, wastewater and industrial sectors. Our expertise combines practical experience with academic knowledge across a wide range of specialisms. These include: Design and build (digital delivery and off-site manufacture) Commissioning Project management We apply our extensive expertise to help our clients find the best sustainable, cost-effective solutions that meet all their requirements. We serve our wholesale water, wastewater and biosolids markets plus industrial food and beverage clients with their water needs. Our primary specialist areas are: Water treatment Wastewater treatment Industrial effluent Food and beverage TECHNOLOGIES In finding the best solutions we look at innovative ideas and turn them into reality producing some of the most sustainable technological solutions on the market. Our technologies include: Nitreat® Ion Exchange: This is a reversible nitrate removal process by which ions are interchanged between a solid and a liquid with no substantial structural changes in the solid. AquaPyr™ Tertiary Solids Removal Filter: This process is a simple filter that can also remove phosphorous using innovative cleaning technology producing low waste and using less power than other filters. Amtreat® High Rate Ammonia Removal: This process is a high-rate activated sludge process designed to treat wastewater streams and sludge liquors containing high concentrations of ammonia. DESIGN & BUILD ACWA’s in-house design capability is the architecture on which each project is meticulously built. The latest 3D models create precision imaging of all types of installations from a complex water or effluent treatment plan to a single piece of equipment to be integrated into an existing system. Through in-house engineers ACWA deliver a complete range of technical design and build expertise across projects and programmes of work that include, civil, mechanical, process and electrical, instrumentation and control and automation. PROJECT MANAGEMENT ACWA’s team of highly-experienced project managers, engineers and technicians work closely with clients and key project team members to deliver solutions in an efficient, timely, cost-effective and environmentally-responsible manner. Project management includes ensuring complete compliance with all relevant regulations, both European, national and where relevant, international, while at all times maintaining a clear focus on the project remit. Our responsibility is to ensure each project is a complete success, both for our client and for the environment. We actively identify and manage risks, issues, changes to requirements and quality standards to guarantee the best possible outcome. COMMISSIONING For hands-on commissioning services, ACWA is an industry leader, focussed on complex water and wastewater facilities for municipal and industrial clients. Commissioning is an essential step in project delivery. Without it we cannot have assurance of a quality outcome. Our in-house team provides comprehensive commissioning services getting involved at project start-up to take the project through planning design, construction and turnover, on time and on budget. ACWA’s multi-disciplined knowledge and expertise includes, system design, electrical testing, operations and maintenance (incl. training) as well as systems and process diagnostics, providing an authoritative and effective resource. WATER TREATMENT Our water expertise comprehensively covers the filtration spectrum from conventional strainers and filtration systems to the most advanced reverse osmosis and ion exchange technologies. Microfiltration Ultrafiltration Nanofiltration Reverse Osmosis / Desalination Ion Exchange Conventional Water Treatment Pressure Filters Gravity Filters Chemical Treatment Granular Activated Carbon WASTEWATER TREATMENT The days of wastewater disposal by methods that had no consideration for the implications to the environment are over. As water scarcity increases and the pressure to comply with ever increasing environmental legislation for effective effluent treatment intensifies, it has never been more important to choose the right wastewater partner who can provide a range of effective processes. ACWA can deliver those solutions. Preliminary Treatment Aerobic Biological Treatment Anaerobic Treatment Membrane Bio Reactor High-Rate Ammonia Removal (Amtreat®) Scrubber Effluent Treatment Plant Effluent Re-use Tertiary Treatment Sludge Treatment

    Designers
    PCI Membranes, a Filtration Group brand logo

    PCI Membranes, a Filtration Group brand

    United Kingdom

    PCI Membranes is the specialist filtration and separation company, which in turn is a business unit of Filtration Group. It specialises in custom-built crossflow membrane filtration systems for liquid separation in the process industries. With experience developed over forty years, we are able to offer process solutions for a wide variety of filtration applications using microfiltration, ultrafiltration, nanofiltration and reverse osmosis technologies in tubular geometry. We have developed expertise using all of the leading polymeric crossflow membranes and membrane configurations available on the world market and is therefore ideally placed to match a membrane to a specific application. More than 50 Years Serving Our Customers We offer a commitment to excellence that is supported by: International experience in solving problems since 1967. An application engineering team that designs the specific system for your needs. An experienced design engineering team dedicated to product performance and reliability. A state-of-the-art facility with highly trained production personnel. A service team trained to handle any problem, anywhere in the world. We design, manage the manufacture of, and supply equipment for liquid separation to the quality standard: BS EN ISO 9001:2015.

    Designers

    Designing and Procuring Reverse Osmosis Systems for Industrial and Commercial Use

    Reverse osmosis performance is governed by three interdependent parameters: applied pressure, membrane flux rate, and system recovery. Higher recovery reduces reject (concentrate) volume and water consumption but increases concentration polarization on the membrane surface, accelerating fouling and scaling. Commercial brackish water RO systems typically operate at 70–80% recovery, while seawater desalination systems run at 40–50% due to osmotic pressure constraints. Specifying recovery targets without also specifying concentrate disposal capacity is one of the most common design oversights in RO project procurement.

    Membrane selection is equally critical. Thin-film composite (TFC) polyamide membranes dominate the market and are available in standard 8-inch diameter elements, but temperature rating, pH operating range, and chlorine tolerance vary significantly between manufacturers. Cellulose acetate membranes are an option in chlorinated feed streams where dechlorination is impractical, but offer lower rejection rates. For high-temperature industrial applications above 45°C, only specific membrane materials and element constructions maintain rated performance.

    Pre-treatment design determines long-term RO reliability. Inadequate SDI (Silt Density Index) reduction ahead of the membrane array causes irreversible colloidal fouling and shortens membrane life. Chemical scaling—particularly calcium carbonate, calcium sulfate, barium sulfate, and silica—requires antiscalant programs sized to the concentrate chemistry, not the feedwater chemistry. When evaluating RO providers, require a full system design report including LSI and Stiff-Davis Index calculations for the concentrate stream at design recovery.

    Frequently Asked Questions

    What is a realistic membrane replacement schedule for an industrial RO system?

    Well-maintained brackish water RO membranes in industrial applications typically last 5–7 years. Membrane life shortens significantly with inadequate pre-treatment (SDI above 5 or free chlorine breakthrough), biological fouling in warm climates, or high-pH cleaning cycles that degrade the polyamide active layer. Systems with poor pre-treatment or inconsistent antiscalant dosing may require membrane replacement in 2–3 years. Request the provider's historical membrane replacement intervals for comparable installations before accepting a quoted membrane lifespan.

    How do I compare RO system proposals on a like-for-like basis?

    Normalize all proposals to the same recovery rate, permeate flow rate, and feedwater quality assumptions. Key metrics to compare are specific energy consumption (kWh/m³ of permeate), normalized permeate flux (L/m²/h at reference conditions), and projected first-year chemical costs including antiscalant and cleaning chemicals. Proposals that omit recovery or concentrate disposal specifications cannot be meaningfully compared against one another.

    What is a pressure exchanger and when is it worth specifying?

    A pressure exchanger (PX) is an energy recovery device that transfers hydraulic energy from the high-pressure concentrate stream to the incoming seawater feed, reducing the load on the high-pressure pump. In seawater RO systems, PX devices can reduce specific energy consumption from 6–8 kWh/m³ down to 2–3 kWh/m³, with typical payback periods of 2–4 years at current energy prices. They are standard specification for new SWRO plants above 500 m³/day and should be evaluated for any large-scale brackish water system where energy costs are significant.

    What questions should I ask about concentrate management before buying an RO system?

    Ask the provider to calculate your concentrate volume at design recovery and confirm you have a viable disposal pathway: sewer discharge (check local TDS limits), evaporation pond, deep well injection, or ZLD (zero liquid discharge) crystallization. Confirm that the concentrate chemistry at design recovery does not exceed the solubility limits for calcium sulfate or silica, which are the most common irreversible scaling risks. If your local regulations cap concentrate TDS at sewer discharge, the provider must design recovery around that constraint, not the other way around.

    Case Study·Pharmaceutical manufacturer, North West England
    Challenge

    A pharmaceutical site requiring Water for Injection (WFI) pre-treatment was operating an ageing single-pass RO system with increasing permeate conductivity (rising from 2 to 18 microsiemens/cm over 3 years) due to membrane degradation. Pharmaceutical-grade compliance margins were eroding and the site faced a major capital decision on replacement timing.

    Approach

    The provider conducted a full membrane autopsy on representative elements, identifying organic fouling from upstream carbon breakthrough as the primary degradation mechanism. A new two-pass RO system with enhanced pre-treatment (6-micron cartridge filtration plus online TOC monitoring ahead of membranes) and an automated CIP schedule triggered by normalised permeate conductivity was designed and commissioned.

    Outcome

    Permeate conductivity stabilised at below 1 microsiemens/cm immediately post-commissioning. Normalised salt rejection remained above 99.5% through the first 18-month monitoring period. CIP frequency dropped to once per quarter versus monthly on the previous system, reducing chemical consumption by 65%.

    Questions to Ask Shortlisted Providers

    1. 1

      What is the guaranteed normalised salt rejection at system commissioning, and what is the contractual degradation limit that triggers a remediation obligation?

      Performance guarantees without defined remediation triggers leave the buyer exposed to gradual membrane deterioration without recourse.

    2. 2

      What is the designed system recovery, and have you calculated the concentrate chemistry at that recovery including silica and sulphate scaling indices?

      Silica and barium sulphate scaling in the concentrate stream is irreversible and often overlooked in proposals that only examine feedwater chemistry.

    3. 3

      What pre-treatment SDI target must be achieved for the membrane warranty to remain valid?

      Most membrane manufacturers void warranties if SDI at the membrane inlet exceeds 5; confirming how the provider guarantees this upstream protects the asset.

    4. 4

      What is the specific energy consumption (kWh/m3 of permeate) at design conditions, and is energy recovery equipment included?

      Energy is typically the largest operating cost in RO systems; a 0.5 kWh/m3 difference in specific consumption compounds significantly over a 10-year asset life.

    5. 5

      How does the system respond to a sudden feedwater quality exceedance, such as a turbidity or TDS spike?

      Automated shutdown or bypass logic protects membranes during upset events; the absence of such logic is a common cause of premature membrane failure.

    What Drives Cost in This Category

    Operating pressure and energy recovery

    Seawater systems operating above 55 bar require high-pressure pumps and benefit from pressure exchangers; without energy recovery, power costs can exceed GBP 0.40 per m3 of permeate.

    System recovery target

    Every 5% increase in recovery reduces reject volume but raises concentrate TDS, requiring more antiscalant and potentially more aggressive CIP cycles, which shortens membrane life.

    Number of passes

    A two-pass RO configuration doubles the membrane array and pump duty compared to single-pass, but is required for pharmaceutical, electronics, and power generation applications with very low conductivity targets.

    Pre-treatment train complexity

    Feed sources with high fouling potential (surface water, reclaimed water, seawater) require multi-stage pre-treatment including coagulation, media filtration, and cartridge filtration, each adding capital and operating cost before the RO itself.

    Key Regulations & Standards

    BS EN 19820

    European standard for small drinking water RO systems, covering performance testing, materials of construction, and minimum rejection rate requirements.

    DWI Regulation 31

    Any new or modified RO process deployed in a public water supply must receive DWI approval before operation, including documentation of membrane materials and chemical dosing agents.

    EU GMP Annex 1 (retained in UK)

    For pharmaceutical applications, RO systems producing water used in sterile manufacturing must be validated under pharmaceutical Good Manufacturing Practice guidelines including water system qualification.

    WRAS Approval

    All RO system components in contact with drinking water, including membranes, housings, and fittings, must appear on the WRAS approved products list.

    Related Articles from Aguato Insider