The Global Dechlorination Chemicals Market was valued at USD 1.76 Billion in 2024 and is projected to reach USD 2.52 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2030). This robust growth is propelled by increasingly stringent environmental regulations for wastewater discharge, rising industrial water usage, and a global emphasis on providing safe drinking water. The industry is marked by innovation in chemical formulations and application technologies to meet diverse dechlorination needs across multiple sectors.

As industries and municipalities worldwide confront stricter environmental mandates and prioritize sustainability, the role of dechlorination chemical providers has never been more critical. These companies are at the forefront of developing solutions that effectively neutralize chlorine residuals, protecting aquatic ecosystems and ensuring regulatory compliance. In this blog, we profile the Top 10 Companies in the Dechlorination Chemicals Industry—specialty chemical manufacturers, water treatment specialists, and environmental solution providers shaping the future of water safety.

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🔟 1. Veolia Water Technologies

Headquarters: Paris, France
Key Offering: Sodium Bisulfite, Sodium Metabisulfite, Sulfur Dioxide-based Systems

Veolia Water Technologies is a global leader in water and wastewater treatment solutions, offering a comprehensive portfolio of dechlorination chemicals and systems. Their expertise spans municipal water treatment, industrial process water, and effluent management, providing end-to-end solutions for chlorine removal.

Sustainability & Innovation Initiatives:

• Development of automated chemical dosing systems for precision and efficiency

• Focus on reducing chemical consumption and waste through optimized treatment processes

• Global R&D centers dedicated to advancing water treatment technologies

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9️⃣ 2. Ecolab Inc.

Headquarters: St. Paul, Minnesota, USA
Key Offering: Nalco Water Dechlorination Products (Bisulfites, Sulfites)

Ecolab, through its Nalco Water division, is a powerhouse in water treatment and dechlorination services for industrial and institutional markets. Their chemical programs are designed to protect equipment, ensure compliance, and optimize water use across sectors like power generation, food & beverage, and healthcare.

Sustainability & Innovation Initiatives:

• Integrated digital water management platforms (3D TRASAR™ Technology) for real-time monitoring

• Commitment to water conservation and reducing the environmental footprint of client operations

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8️⃣ 3. Kemira Oyj

Headquarters: Helsinki, Finland
Key Offering: Sodium Metabisulfite, Specialty Dechlorination Blends

Kemira is a leading chemicals company focused on water-intensive industries. Their dechlorination products are critical for pulp & paper, oil & gas, and municipal wastewater treatment clients who need reliable and effective chlorine neutralization to meet discharge permits.

Sustainability & Innovation Initiatives:

• Bio-based and sustainable chemical product development

• Emphasis on circular economy principles in water treatment applications

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7️⃣ 4. Solenis LLC

Headquarters: Wilmington, Delaware, USA
Key Offering: Sodium Sulfite, Sodium Bisulfite, Custom Dechlorination Formulations

Solenis is a leading global producer of specialty chemicals for water-intensive industries. The company offers high-purity dechlorination agents and technical support to help customers manage chlorine residuals in process water, cooling systems, and wastewater effluents efficiently.

Sustainability & Innovation Initiatives:

• Development of environmentally aware product portfolios

• Advanced monitoring and control solutions to minimize chemical overdosing

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6️⃣ 5. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Sodium Bisulfite Solutions, Specialty Water Treatment Chemicals

BASF’s performance chemicals division provides essential products for water treatment, including effective dechlorination chemicals. Their global scale and technical expertise support a wide range of applications, from municipal drinking water to complex industrial wastewater streams.

Sustainability & Innovation Initiatives:

• Investment in R&D for sustainable chemistry solutions

• Active participation in global water stewardship initiatives

Download FREE Sample Report: Dechlorination Chemicals Market – View in Detailed Research Report

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5️⃣ 6. SNF Group

Headquarters: Andrézieux, France
Key Offering: Dechlorination Polymers, Sodium Bisulfite

SNF is one of the world’s largest producers of water-soluble polymers, with a strong presence in the dechlorination chemicals market. Their products are used extensively in municipal and industrial water treatment to neutralize chlorine effectively and prevent the formation of harmful disinfection by-products (DBPs).

Sustainability & Innovation Initiatives:

• Focus on product efficiency to reduce overall environmental impact

• Global manufacturing footprint ensuring supply chain resilience

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4️⃣ 7. Accepta Advanced Water Treatment

Headquarters: Manchester, United Kingdom
Key Offering: Accepta 2902 (Sodium Bisulfite), Custom Dechlorination Blends

Accepta specializes in high-performance water treatment chemicals, including a range of dechlorination products for cooling systems, wastewater treatment, and aquaculture. They are known for their technical support and tailored solutions for specific client challenges.

Sustainability & Innovation Initiatives:

• Development of “drop-in” solutions for easy integration into existing treatment systems

• Commitment to providing products that help clients meet and exceed environmental standards

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3️⃣ 8. Aquatic BioScience LLC

Headquarters: West Palm Beach, Florida, USA
Key Offering: Chloramine Guard, Dechlor tablets, Liquid Dechlorinators

Aquatic BioScience focuses on water treatment for specialized applications, including aquaculture, aquariums, and horticulture. Their dechlorination products are designed to be safe for sensitive aquatic life, effectively removing both chlorine and chloramines.

Sustainability & Innovation Initiatives:

• Formulations that protect fragile ecosystems and aquatic species

• Product lines supporting sustainable aquaculture practices

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2️⃣ 9. Chemical Products Industries, Inc. (CPI)

Headquarters: Kansas City, Kansas, USA
Key Offering: Sodium Sulfite, Sodium Bisulfite, Activated Carbon

CPI is a leading manufacturer and distributor of industrial chemicals, including a range of dechlorination agents. They serve various sectors, including power generation, manufacturing, and municipal water treatment, with a reputation for product quality and reliability.

Sustainability & Innovation Initiatives:

• Implementation of safety and quality management systems (ISO 9001)

• Strategic partnerships for efficient logistics and distribution across North America

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1️⃣ 10. Hydrite Chemical Co.

Headquarters: Brookfield, Wisconsin, USA
Key Offering: Sodium Bisulfite Solution, Custom Dechlorination Programs

Hydrite Chemical is an integrated manufacturer and supplier of chemicals, including critical dechlorination products for the food, beverage, and industrial markets. Their “Seed to Solution” approach ensures control over quality from raw materials to final product delivery.

Sustainability & Innovation Initiatives:

• On-site technical service and support to optimize chemical usage

• Focus on developing solutions that enhance water reuse and recycling

Get Full Report Here: Dechlorination Chemicals Market – View in Detailed Research Report

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🌍 Outlook: The Future of Dechlorination is Smarter and More Sustainable

The dechlorination chemicals market is undergoing a significant transformation, driven by technological advancements and a heightened focus on environmental protection. While traditional chemicals like sulfites remain workhorses, the industry is embracing digitalization, automation, and greener chemistries to enhance efficiency and sustainability.

📈 Key Trends Shaping the Market:

• Stringent Regulatory Landscape: Globally, governments are tightening wastewater discharge limits for chlorine residuals and disinfection by-products (DBPs), fueling demand for reliable dechlorination solutions.

• Adoption of Alternative Dechlorination Technologies: Growing interest in UV dechlorination and activated carbon filtration as complementary or alternative methods to chemical treatment.

• Digital Monitoring and Dosing: Integration of IoT sensors and automated control systems for precise chemical feed, reducing waste and ensuring consistent compliance.

• Focus on Water Reuse: As water scarcity concerns mount, effective dechlorination is crucial for treating wastewater to a quality suitable for recycling and reuse in industrial and irrigation applications.

Get Full Report Here: Dechlorination Chemicals Market – View in Detailed Research Report

The companies listed above are not only supplying essential chemicals—they are enabling environmental compliance and fostering a sustainable water future for industries and communities worldwide.