Core processes

    Treatment Technologies

    Filtration, membranes, disinfection, and desalination: the building blocks of any water plant.

    Treatment Technologies covers the full stack of water and wastewater treatment processes, from pretreatment and filtration to membranes, disinfection, and desalination. These are the core unit operations that define how a plant performs.

    Solution provider pages
    37
    Vetted providers
    700+

    What you'll find here

    The unit operations that decide how a plant actually performs.

    Whether you're specifying a brand-new treatment train or retrofitting an existing one, this group is the starting point. It spans the physical, chemical, and biological processes used to remove contaminants, soften or polish water, and meet quality targets for drinking, process, or discharge use. Providers here include system integrators, OEMs, membrane manufacturers, chemistry programs, and solution providers focused on desalination.

    • Filtration & membranes: MF, UF, NF, RO, and membrane bioreactors

    • Disinfection: chlorination, ozone, UV, and electrochemical processes

    • Desalination: SWRO, BWRO, thermal, modular, and renewable-powered

    • Boiler, cooling, and ultrapure water loops for industrial end-uses

    Solution provider pages

    37 focused pages under Treatment Technologies

    Click through to browse vetted providers in any sub-discipline.

    All 122 solution provider pages

    Industrial Water Treatment Companies

    End-to-end industrial water treatment companies covering process water, cooling, boiler feed, and wastewater across heavy-industry sites.

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    Water Filtration Systems Companies

    Filtration system providers spanning media, cartridge, bag, and membrane filters for municipal, commercial, and industrial applications.

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    Industrial Water Filtration Companies

    Heavy-duty filtration solution providers for industrial process water, including self-cleaning, multimedia, and high-flow filtration platforms.

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    Commercial Water Treatment Companies

    Treatment providers serving commercial buildings, hospitality, healthcare, and retail, potable, cooling, and domestic hot water loops.

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    Water Treatment Chemical Companies

    Chemical suppliers and service programs: coagulants, flocculants, scale and corrosion inhibitors, biocides, and specialty polymers.

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    Water Purification Companies

    Water purification providers delivering multi-barrier treatment trains for drinking, process, and high-purity applications.

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    Reverse Osmosis System Companies

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

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    Ultrafiltration System Companies

    UF suppliers for pretreatment, reuse, and potable water, hollow-fiber and spiral-wound membrane systems at any scale.

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    Nanofiltration System Companies

    NF solution providers for selective ion removal, softening, color removal, and high-recovery applications between UF and RO.

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    Microfiltration System Companies

    MF providers covering particulate, pathogen, and pretreatment filtration for municipal and industrial flows.

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    Membrane Filtration Companies

    Membrane filtration companies across MF, UF, NF, and RO, system design, skids, autopsy, and cleaning services.

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    Activated Carbon Filtration Companies

    GAC and PAC providers for taste & odor, organics, chlorine, and micro-pollutant removal in drinking water and industrial streams.

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    Ion Exchange System Companies

    Ion exchange resin suppliers and system builders for softening, demineralization, and targeted contaminant removal.

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    Biological Wastewater Treatment Companies

    Biological treatment solution providers: activated sludge, SBR, MBBR, MABR, aerobic/anaerobic digestion, and nutrient removal.

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    Chemical Treatment Solution Companies

    Chemical treatment providers covering coagulation/flocculation, pH adjustment, advanced oxidation, and disinfection programs.

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    Membrane Bioreactor (MBR) Companies

    MBR system suppliers for high-quality effluent, reuse-ready water, and compact wastewater plants in tight footprints.

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    Electrochemical Water Treatment Companies

    Electrocoagulation, electrooxidation, and EDR providers for heavy metals, emulsions, and hard-to-treat industrial streams.

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    Advanced Oxidation Process Companies

    AOP suppliers, UV/H₂O₂, ozone, Fenton, and catalytic oxidation for refractory organics, PFAS, and trace contaminants.

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    Water Disinfection Companies

    Disinfection providers across chlorination, chloramination, ozonation, UV, and electrochemical processes for potable and reuse water.

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    UV Disinfection System Companies

    UV disinfection suppliers for drinking water, wastewater, reuse, and industrial process disinfection with dose-validated reactors.

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    Coagulation & Flocculation Companies

    Coag/floc solution providers, chemistry, jar testing, clarifier and DAF design for particulate and colloid removal.

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    Water Softening Companies

    Softening system providers, ion-exchange, lime, and NF-based hardness removal for industrial and commercial plants.

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    Water Conditioning Companies

    Water conditioning suppliers for scale, corrosion, and biological control in cooling, boiler, and domestic water loops.

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    Ultrapure Water Treatment Companies

    Ultrapure water system providers for semiconductor, power, and life-sciences, multi-stage RO, EDI, and polishing loops.

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    Demineralized Water Treatment Companies

    Demin plant suppliers, two-bed, mixed-bed, and membrane-based demineralization for boiler feed and industrial process water.

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    High Purity Water Treatment Companies

    High-purity water system integrators for pharma (WFI/PW), microelectronics, and laboratory applications.

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    Dialysis Water Treatment Companies

    Hemodialysis water treatment solution providers delivering AAMI/ISO-compliant loops for clinics and hospital dialysis centers.

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    Cooling Tower Water Treatment Companies

    Cooling water program providers, chemistry, side-stream filtration, Legionella control, and remote monitoring.

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    Boiler Water Treatment Companies

    Boiler water solution providers, softening, demineralization, condensate polishing, and chemistry programs for steam plants.

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    Effluent Treatment Plant Companies (ETP)

    Turnkey ETP builders for industrial effluent compliance, physicochemical, biological, and tertiary treatment trains.

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    Drinking Water Treatment Companies

    Potable water treatment companies for municipalities and utilities, conventional, membrane, and advanced treatment.

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    Desalination Service Companies

    Full-service desalination providers covering design, build, O&M, and performance contracts for SWRO, BWRO, and thermal plants.

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    Seawater Desalination (SWRO) Companies

    SWRO solution providers, intake design, high-pressure RO, energy recovery devices, and post-treatment for coastal and offshore use.

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    Brackish Water Desalination Companies

    BWRO providers for inland brackish aquifers, reuse, and industrial streams, high-recovery with concentrate management.

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    Thermal Desalination Companies

    MED, MSF, and MVC thermal desalination providers for high-salinity, high-TDS, or waste-heat integrated projects.

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    Modular Desalination Companies

    Containerized and skid-mounted desalination units for remote sites, emergency response, and rapid deployment.

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    Renewable-Powered Desalination Companies

    Solar and wind-coupled desalination providers, off-grid and hybrid systems with storage and variable-load RO.

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    Who this is for

    Best fit if you're working on

    The providers in this group tend to have the strongest track record in these contexts.

    • Industrial process water
    • Drinking water utilities
    • Power & cooling
    • Pharma & microelectronics

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