Top 10 Companies in the Global Non-Oxidizing Biocides for RO Membranes Market (2026): Leaders Protecting Water Filtration Systems

In Business Insights
January 10, 2026

The Global Non-Oxidizing Biocides for RO Membranes Market was valued at USD 312.8 Million in 2025 and is projected to reach USD 485.6 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.2% during the forecast period (2024–2030). This growth is primarily driven by increasing global water stress, stringent regulations on water quality, rising demand for high-purity water in industrial processes, and the critical need to prolong the operational life of expensive reverse osmosis (RO) membrane systems.

As industries and municipalities intensify their focus on water security and operational efficiency, the role of advanced water treatment chemicals becomes paramount. In this blog, we profile the Top 10 Companies in the Non-Oxidizing Biocides for RO Membranes Industry—specialty chemical manufacturers and water treatment specialists that are developing innovative solutions to combat biofilm and microbial fouling in critical water filtration systems worldwide.


🔟 1. Veolia Water Technologies

Headquarters: Paris, France
Key Offering: AQUAZUR® VX-Series Biocides, Acti-Mag®

Veolia is a global leader in water and wastewater treatment solutions, offering a comprehensive portfolio of non-oxidizing biocides specifically designed for RO membrane protection. Their products are engineered to control microbiological growth effectively while ensuring membrane compatibility and system longevity.

Innovation Initiatives:

  • Development of broad-spectrum, biodegradable biocides

  • Integration of digital monitoring for predictive dosing

  • Global R&D centers focused on sustainable water treatment

Download FREE Sample Report: Global Non-Oxidizing Biocides for RO Membranes Market – View in Detailed Research Report


9️⃣ 2. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: NEUTHOX®, VIGOROX®

Solvay is a leading specialty chemicals company with a strong presence in the water treatment sector. Their non-oxidizing biocides are designed for effective microbial control in RO systems, particularly in challenging industrial applications where biofouling resistance is a major concern.

Innovation Initiatives:

  • Patented isothiazolinone-based formulations

  • Focus on reducing environmental impact of biocidal products


8️⃣ 3. LANXESS AG

Headquarters: Cologne, Germany
Key Offering: Preventol® series, Biocidal Active Substances

LANXESS offers a wide range of biocidal products through its Material Protection Products business unit. Their Preventol® range includes advanced non-oxidizing biocides that provide reliable protection for RO membranes against bacterial and fungal contamination.

Innovation Initiatives:

  • Customized biocidal solutions for specific water chemistries

  • Stringent environmental and regulatory compliance focus


7️⃣ 4. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Protectol® K series, Baxxodor®

BASF provides high-performance non-oxidizing biocides that are essential for maintaining RO membrane efficiency. Their products help prevent biofilm formation, which can lead to decreased flux, increased pressure drop, and reduced membrane lifespan.

Innovation Initiatives:

  • Development of low-dose, high-efficacy formulations

  • Sustainability-driven product innovation


6️⃣ 5. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: FilmTec™ compatible biocides, UNION CARBIDE® products

Dow offers biocides specifically tested for compatibility with their renowned FilmTec™ RO membranes. Their expertise in membrane technology gives them unique insights into developing biocides that effectively control microbial growth without damaging membrane surfaces.

Innovation Initiatives:

  • Integration of biocides with comprehensive water treatment programs

  • Extensive compatibility testing with various membrane types

Download FREE Sample Report: Global Non-Oxidizing Biocides for RO Membranes Market – View in Detailed Research Report


5️⃣ 6. Nouryon

Headquarters: Amsterdam, Netherlands
Key Offering: Kathon™, Biocides for Membrane Protection

Nouryon (formerly AkzoNobel Specialty Chemicals) is a global specialty chemicals leader with a strong portfolio of non-oxidizing biocides. Their products are widely used in RO systems across various industries, from power generation to food and beverage production.

Innovation Initiatives:

  • Focus on isothiazolinone chemistry advancements

  • Development of cost-effective treatment regimens


4️⃣ 7. Kemira Oyj

Headquarters: Helsinki, Finland
Key Offering: KemGuard™, Fennosan®

Kemira provides advanced water treatment chemicals for industrial and municipal applications. Their non-oxidizing biocides are designed to address specific challenges in RO systems, including biofilm control and prevention of biological fouling.

Innovation Initiatives:

  • Biofilm penetration technology development

  • Application-specific biocide formulations


3️⃣ 8. Buckman Laboratories

Headquarters: Memphis, Tennessee, USA
Key Offering: Busan® series, Optimizer® Program

Buckman specializes in innovative water treatment solutions, offering targeted non-oxidizing biocides for RO membrane systems. Their approach combines chemical treatment with expert technical service to optimize membrane performance and lifespan.

Innovation Initiatives:

  • Customized treatment programs based on water analysis

  • Global technical support network


2️⃣ 9. Solenis LLC

Headquarters: Wilmington, Delaware, USA
Key Offering: PuraGuard™, Spectrum®

Solenis is a leading global producer of specialty chemicals for water-intensive industries. Their non-oxidizing biocides portfolio addresses the critical need for effective microbial control in RO systems, helping customers maintain system efficiency and reduce operating costs.

Innovation Initiatives:

  • Development of synergistic biocide blends

  • Focus on water conservation and reuse applications


1️⃣ 10. Kurita Water Industries Ltd.

Headquarters: Tokyo, Japan
Key Offering: KURIVERTER® inhibitors, Membrane Antifoulants

Kurita is a Japanese water treatment specialist with extensive expertise in membrane technology protection. Their non-oxidizing biocides are particularly effective in controlling microbiological growth in RO systems used in high-purity water applications.

Innovation Initiatives:

  • Advanced biofilm monitoring and control technologies

  • Region-specific formulations for diverse water conditions

Get Full Report Here: Global Non-Oxidizing Biocides for RO Membranes Market – View in Detailed Research Report


🌍 Outlook: The Future of RO Membrane Protection Is Smarter and More Sustainable

The non-oxidizing biocides market for RO membranes is evolving rapidly, driven by the dual demands of enhanced performance and environmental responsibility. While traditional biocides continue to serve essential functions, the industry is investing significantly in next-generation solutions that offer improved efficacy, reduced environmental impact, and smart application technologies.

📈 Key Trends Shaping the Market:

  • Development of green biocides with improved biodegradability profiles

  • Integration of digital monitoring systems for optimized biocide dosing

  • Growing adoption in municipal water treatment amid urban water security concerns

  • Increasing demand from emerging economies investing in water infrastructure

Get Full Report Here: Global Non-Oxidizing Biocides for RO Membranes Market – View in Detailed Research Report

The companies profiled above are not only supplying essential protection for critical water infrastructure—they’re driving the innovation agenda that will define the future of water treatment and membrane technology worldwide.