The Global Membrane Water Treatment Chemicals Market was valued at USD 6.82 Billion in 2024 and is projected to reach USD 9.15 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.1% during the forecast period (2024–2030). This sustained growth is propelled by escalating global water scarcity, stringent environmental regulations for wastewater discharge, and the increasing adoption of membrane technologies like reverse osmosis (RO) and ultrafiltration (UF) across municipal and industrial sectors.

As industries and municipalities worldwide intensify their focus on water reuse, conservation, and compliance, the essential role of high-performance treatment chemicals becomes paramount. These specialized chemicals enhance membrane efficiency, prevent fouling and scaling, and extend system lifespan. In this analysis, we profile the Top 10 Companies in the Membrane Water Treatment Chemicals Industry—a diverse group of chemical giants, water technology specialists, and sustainability leaders shaping the future of clean water access.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Antiscalants, Biocides, Cleaners, Coagulants & Flocculants

BASF is a global leader in chemistry and a major supplier of comprehensive solutions for membrane water treatment. Its portfolio includes high-performance additives designed to optimize membrane processes in desalination, wastewater reuse, and industrial water treatment, ensuring operational efficiency and membrane longevity.

Sustainability Initiatives:

• Development of biodegradable and phosphorus-free antiscalants
• Focus on solutions that reduce energy consumption in water treatment plants
• Commitment to carbon-neutral growth targets by 2030

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9️⃣ 2. Ecolab Inc.

Headquarters: St. Paul, Minnesota, USA
Key Offering: Nalco Water membrane treatment programs, 3D TRASAR™ Technology

Ecolab, through its Nalco Water division, provides advanced water treatment and process technologies. Its integrated solutions for membrane systems include real-time monitoring and control via 3D TRASAR™ technology, helping clients minimize water and energy use while maximizing membrane performance.

Sustainability Initiatives:

• Helped customers conserve over 206 billion gallons of water in 2023
• Goals to restore and replenish more water than its corporate footprint by 2030
• R&D focused on water recycling and circular economy solutions

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8️⃣ 3. Veolia Environnement S.A.

Headquarters: Paris, France
Key Offering: End-to-end water services, Membrane chemical dosing, Operational management

Veolia is a world leader in optimized resource management, offering a full suite of water treatment services. The company designs, builds, and operates membrane-based water and wastewater treatment plants, providing the necessary chemical treatments and expertise for optimal system performance.

Sustainability Initiatives:

• Pioneering large-scale wastewater reuse projects globally
• Targeting solutions for zero liquid discharge (ZLD) in water-intensive industries
• Committed to becoming the benchmark company for ecological transformation

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7️⃣ 4. Kemira Oyj

Headquarters: Helsinki, Finland
Key Offering: Pretreatment chemicals, Antiscalants, Coagulants, Biocides

Kemira is a leading chemicals company serving water-intensive industries. It offers a specialized range of products for membrane protection, focusing on preventing fouling and scaling in RO and NF systems, which is critical for industries like pulp & paper, oil & gas, and mining.

Sustainability Initiatives:

• Over 80% of R&D projects are linked to sustainability outcomes
• Development of renewable and bio-based raw materials for chemical production
• Ambitious climate targets aligned with the Paris Agreement

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6️⃣ 5. Kurita Water Industries Ltd.

Headquarters: Tokyo, Japan
Key Offering: FilmTec™ antiscalants, Membrane cleaners, Monitoring systems

Kurita Water Industries is a major player in water treatment solutions, particularly in the Asia-Pacific region. The company provides advanced chemical programs for membrane systems, backed by sophisticated monitoring and control technologies to ensure stable and efficient operation.

Sustainability Initiatives:

• Development of chemicals that reduce membrane cleaning frequency and chemical consumption
• Active in promoting water resource conservation through advanced treatment and recycling
• Commitment to reducing environmental impact across its value chain

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5️⃣ 6. SUEZ Group

Headquarters: Paris, France
Key Offering: Membrane pre-treatment solutions, Antiscalants, Biofouling control agents

SUEZ provides intelligent and sustainable resource management solutions worldwide. Its expertise in membrane technology encompasses everything from pre-treatment chemical programs to advanced antiscalants that protect reverse osmosis and nanofiltration membranes in demanding applications.

Sustainability Initiatives:

• Operates over 650 wastewater treatment plants globally, many featuring advanced membrane bioreactors (MBRs)
• Targets 100% sustainable solutions by 2030, focusing on recycling and resource recovery
• Investing in digital solutions for smarter water management

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4️⃣ 7. Solenis LLC

Headquarters: Wilmington, Delaware, USA
Key Offering: PaceSetter® membrane antiscalants, Cleaners, Dispersants

Solenis is a leading global producer of specialty chemicals for water-intensive industries. The company’s membrane treatment programs are designed to address the unique challenges of scaling, fouling, and microbiological growth, ensuring high system recovery and low operational costs.

Sustainability Initiatives:

• Focus on developing high-efficiency products that lower the overall environmental footprint of water treatment
• Implementation of circular economy principles in its manufacturing processes
• Commitment to providing solutions that help customers achieve their sustainability goals

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3️⃣ 8. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: FilmTec™ elements, Complementary antiscalants and cleaners

While renowned for its FilmTec™ reverse osmosis and nanofiltration membranes, Dow also offers a suite of complementary chemicals to maximize membrane system performance. Its chemical solutions are engineered to work seamlessly with its elements, providing optimized fouling control and cleaning efficacy.

Sustainability Initiatives:

• Commitment to designing products for circularity and reducing plastic waste
• Investing in technologies that enable water reuse and conservation
• Set targets to reduce net annual carbon emissions by 5 million metric tons by 2030

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2️⃣ 9. Italmatch Chemicals Group

Headquarters: Genoa, Italy
Key Offering: Astrasol® antiscalants, Biocides, Corrosion inhibitors

Italmatch Chemicals is a global specialty chemicals group with a strong focus on water treatment. Its Astrasol® range of antiscalants and dispersants is specifically formulated for membrane systems, offering high performance in preventing scale formation from various salts.

Sustainability Initiatives:

• Development of environmentally friendly chemistries with lower toxicity profiles
• Active participation in initiatives promoting sustainable water management practices
• Focus on innovation that aligns with principles of green chemistry

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1️⃣ 10. Accepta Ltd.

Headquarters: Manchester, United Kingdom
Key Offering: Advanced water treatment chemicals, RO antiscalants, Cleaners

Accepta is a leading manufacturer and supplier of advanced water treatment chemicals. The company provides a comprehensive range of high-performance products for membrane systems used in industrial, commercial, and municipal applications, supported by expert technical service.

Sustainability Initiatives:

• Formulation of products designed to improve water and energy efficiency
• Commitment to providing effective solutions that minimize chemical usage and waste
• Focus on helping clients meet stringent environmental compliance standards

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🌍 Outlook: The Future of Membrane Water Treatment Is Smarter and More Sustainable

The membrane water treatment chemicals market is evolving rapidly, driven by the dual imperatives of water security and environmental stewardship. While conventional chemicals continue to form the market’s backbone, innovation is accelerating toward smarter, greener formulations and integrated digital solutions that optimize chemical dosing and system performance.

📈 Key Trends Shaping the Market:

• Rising demand for bio-based and environmentally benign chemicals to meet green procurement policies
• Integration of IoT sensors and AI for predictive dosing and fouling control, reducing chemical consumption
• Growth in Zero Liquid Discharge (ZLD) and Minimal Liquid Discharge (MLD) systems, demanding advanced antiscalants
• Expansion of membrane bioreactor (MBR) technology in municipal wastewater treatment, increasing demand for compatible chemicals

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The companies profiled above are not merely supplying chemicals—they are delivering the essential intelligence and innovation required to secure a water-resilient future for industries and communities worldwide.