The market will grow at a CAGR of 5.7% during the range 2025 to 2035, reaching a valuation of USD 2,528.7 million by 2035. The growing demand for air treating products in emerging economies due to rapid industrialization and urbanization is expected to drive the sales of dechlorination chemicals.
Moreover, technological innovations such as green formulations and automation in water treatment methods would aid the long-term growth of the industry. North America and Europe will share the largest industry share because of a stricter environmental regulation, while growth in the Asia-Pacific region will be the fastest growth due to increasing industrial activities and growing shortage of fresh water.
With rising concerns for water safety and environmental regulations, as well as the development of chemical treatment technologies, the dechlorination chemical industry is witnessing a steady pace of growth. The industry is likely to see moderate growth in 2024 as industries and municipalities focus on water purification and wastewater treatment.
Increased awareness of the adverse health effects of chlorine byproducts and increasingly stringent government regulations are accelerating the use of dechlorination chemicals in several industries including pharmaceuticals, food processing and power generation.
| Metric | Value |
|---|---|
| Market Size (2025E) | USD 1,451.7 million |
| Market Value (2035F) | USD 2,528.7 million |
| CAGR (2025 to 2035) | 5.7% |
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| 2020 to 2024 | 2025 to 2035 |
|---|---|
| Rising awareness of chlorine byproduct hazards | Stricter environmental regulations driving adoption |
| Increased demand for water purification in industrial sectors | Growth in sustainable and eco-friendly chemical solutions |
| Adoption of traditional dechlorination methods | Shift towards advanced and automated treatment technologies |
| Regulatory frameworks becoming more stringent | Compliance with evolving global water safety standards |
| Growth in municipal wastewater treatment investments | Expansion in industrial and commercial water treatment applications |
| Use of conventional dechlorination chemicals | Development of bio-based and non-toxic alternatives |
| Focus on regional regulatory compliance | Rising cross-border trade and standardization in chemical formulations |
| Limited technological advancements in dechlorination | Integration of AI and automation in chemical dosing and monitoring |
Future Market Insights (FMI) performed an exhaustive survey of the dechlorination chemical industry with the key stakeholders involved in the industry, which includes manufacturers, suppliers, regulatory bodies, and end-users.
The survey results were used to analyse industry trends, demand patterns, and the influence of changing regulations on product uptake One of the key findings of the report says that the demand for safer and more efficient dechlorination chemicals is being driven because of increasing environmental concerns and stringent regulatory frameworks. According to the respondents, traditional sulfur-based chemicals were getting replaced by the eco-friendlier solutions like sodium bisulfite and ascorbic acid.
Experts in the field have remarked that technology and innovation in terms of chemical formulations are playing huge role in purchase actions. Businesses are putting money into R&D to develop dechlorination processes emitting limited by products that meet worldwide sustainability targets. Industries that require compliance, such as municipal water treatment, pharmaceuticals, and food processing, are also among the largest consumers of dechlorination chemicals, according to the survey.
Supply chain challenges and volatile pricing of raw materials in the latter part of the year have been reported by stakeholders as a major concern, signaling the need for stable sourcing and strategic partnerships. Demand varies by region, according to FMI's survey, with North America and Europe in the lead due to stringent environmental policies; the Asia-Pacific region, on the other hand, is experiencing rapid growth driven by increasing industrialization and expansion of water treatment infrastructure.
| Countries | Regulations & Policies Impacting the Industry |
|---|---|
| United States | The Environmental Protection Agency (EPA) regulates dechlorination under the Clean Water Act, requiring industries to meet discharge limits for chlorine residuals. NSF/ANSI 60 certification is mandatory for chemicals used in potable water treatment. |
| European Union | The EU’s Water Framework Directive mandates strict limits on chlorine discharge, encouraging the use of non-toxic dechlorination alternatives. REACH regulations require manufacturers to register and assess the safety of dechlorination chemicals. |
| India | The Central Pollution Control Board (CPCB) enforces effluent treatment standards under the Water (Prevention and Control of Pollution) Act, requiring industries to neutralize chlorine before discharge. The Bureau of Indian Standards (BIS) sets quality norms for water treatment chemicals. |
| China | The Ministry of Ecology and Environment (MEE) regulates chlorine discharge under the Environmental Protection Law. Recent policies encourage the use of green dechlorination chemicals in industrial and municipal applications. |
| Canada | Health Canada and Environment Canada regulate the use of dechlorination chemicals in drinking water and wastewater treatment under the Canadian Environmental Protection Act (CEPA). NSF certification is required for chemical approval. |
| Australia | The Australian Drinking Water Guidelines set limits on chlorine residuals, and the National Environment Protection Council (NEPC) enforces regulations to minimize chlorine-related environmental impacts. |
Market Share Analysis of Leading Companies
The global dechlorination chemical industry is characterized by a fragmented landscape, with leading players collectively accounting for approximately 25% to 30% of the industry share.
Below is a table highlighting some of the prominent companies and their respective industry shares:
| Company | Estimated Market Share (%) |
|---|---|
| Solvay SA | 8 |
| INEOS CALABRIAN | 7 |
| BASF SE | 6 |
| Grasim Industries Limited | 5 |
| Chemtrade Logistics | 4 |
| Hydrite Chemical | 3 |
| Hawkins | 2 |
| Guangdong Hanyan Activated Carbon Technology Co., Ltd. | 2 |
Key Developments (Mergers, Acquisitions, Partnerships) in 2024
In 2024, the dechlorination chemical industry witnessed several significant mergers, acquisitions, and partnerships aimed at strengthening industry positions and expanding product portfolios. Notable developments include:
The dechlorination chemicals industry is classified by its specialty chemicals segment and falls in the category of water treatment chemicals industry. These compounds are needed to remove chlorine from water in industrial, municipal and pharmaceutical applications. Environmental regulations, technological advancements, and global water quality concerns have their impact on industry.
Macro-Economic Outlook for Dechlorination Chemical Industry
Growing demand for clean water in industries and municipalities remains the primary driver of growth for the global dechlorination chemical industry. The increasing urbanization and industrialization in the developing economies have created a necessity for advanced water treatment solutions. As a result, the governments all around the world are taking steps to regulate the discharge of chlorine more stringently.
In macroeconomic view, industry bias heavily depends on prices of raw materials, supply chain disruptions, and other geopolitical issues. The prices of essential chemicals, like sodium bisulfite and activated carbon, track with energy prices and trade policies. Moreover, Sustainable water treatment solution and shift toward sustainable dechlorination methods are also paving way for competitive landscape.
On the basis of type, the global dechlorination chemicals industry is segmented into sulfur-based chemicals and activated carbon-based chemicals. Sodium metabisulfite, sodium sulfite, and sodium bisulfite are sulfur-based chemicals, which account for most of the global sodium bisulfite industry share, owing to their ability to neutralize chlorine in municipal and industrial applications. Over the forecast period, demand for sulfur-based chemicals is forecast to rise at a CAGR of 5.0% CAGR.
These chemicals will react rapidly with the chlorine and are therefore the first choice for wastewater treatment plants and large-scale industrial processes. But worries about leftover sulfates in treated water have raised more regulatory scrutiny, prompting the industry to look for alternative solutions. Appropriate chemicals based on activated carbon are now being used as greener substitutes for most applications with low neutralization of chemical residues.
They come in both drinking water-grade and wastewater-grade types, meeting the water quality standards. With tightening regulations and sustainability initiatives driving innovation, greener, non-toxic dechlorination products will also create a demand that is expected to gradually shift the industry away from traditional sulfur-based solutions and toward advanced activated carbon formulations.
Liquid and solid dechlorination chemicals are enables selection for particular industrial applications. Liquid dechlorination chemicals provide rapid reaction times and are suited for high volumes, as in municipal water treatment and large volume industrial processes.
These products are preferred in automated water treatment systems due to their convenient handling and accurate dosage. But liquid chemicals need attention to storage and transport due to being prone to contamination and spoilage. Solid dechlorination chemicals, such as powdered and granular forms are widely utilized in small-scale applications and industries where long-term storage capabilities are necessary.
These forms offer added stability and less potential for spills or leaking and are also more suited for remote locations and emergency water treatment applications. The gradual shift towards sustainability and the reduction of chemical waste is driving industry participants to create novel solid formulations that provides comparable effectiveness to traditional emulsified applications with limited environmental impact.
The dechlorination chemicals industry is segmented by end user, with the water treatment industry representing the major end-use segment. Based on end use, the water treatment segment is anticipated to hold a dominant share through 2035. It is set to exhibit a CAGR of 5.8% during the forecast period.
Municipalities and industrial plants use these chemicals to comply with regulations on the amount of chlorine in water released into the environment. As concerns regarding water pollution and ecosystem protection increase, the demand for advanced dechlorination solutions is anticipated to grow. Another large segment is the food and beverage industry, where dechlorination chemicals ensure water used in production is safe and meets quality standards.
From beverage manufacturers to dairy packers and food production plants, chlorine-free water is critical for maintaining product integrity and avoiding unwanted reactions. Dechlorination chemicals are also used in the textile sector, most notably while dyeing and finishing. Additionally, chlorine is used in textile manufacturing water, its residue can deteriorate the texture of the fabric and harm the environment. Demand for passivation and sustainable dechlorination solutions is expected to grow steadily through 2035 as industries prioritize sustainability and regulatory compliance.
Adoption of advanced systems such as Hyperchlorination and Ultra-filtration for dechlorination across large-scale chemical plants, power generation, and other applications in desalination process are adding to the growth factors of the dechlorination chemicals industry from 2025 to 2035.
Emerging economies are actively investing in advanced water treatment solutions, significantly driven by the rise of industrialization- this is a critical opportunity as well. The adoption of low-toxicity, environmentally friendly dechlorination chemicals driven by stringent regulations on the environmental policies, are leading the path for activated carbon-based innovations. The transition to environmentally friendly chemistry and biodegradable dechlorination agents will give a competitive advantage to companies focusing on sustainability.
In addition, technologies have been developed for dosing and monitoring systems during dechlorination procedures, which is an opportunity for automation and enhancing the efficiency of these processes. The industry potential expands due to growth in sectors like pharmaceuticals, food and beverage, and textiles, which necessitate chlorine-free water. With the growing adoption of the circular economy, companies that train and reuse treated water will spur demand for advanced dechlorination solutions.
Strategic Recommendations
To leverage industry growth, players in the Global Dechlorination Chemicals industry must pay sufficient investments towards research and development for combinations that are innovative, non-hazardous and high efficiency in nature while keeping in mind the inherent goal of global sustainability. Sector-specific solutions in areas such as municipal water treatment, pharmaceuticals, and food harnessing would allow to penetrate the industry more effectively.
Establishing production facilities in high-growth regions, like Asia-Pacific - where rapid industrialization and the development of the water treatment infrastructure is on the rise - will also create a competitive edge. Companies should also focus on strategic partnerships and acquisitions that can enhance supply chains and improve access to raw materials.
Apply Hygiene Protocol: Investing in digital technologies like AI-powered monitoring systems for real-time chlorine detection, along with automated dosing, will help improve efficiency and ensure compliance with regulations.
Proactively participating in a collaborative regulatory sandbox and certification process will enable continuous industry eligibility to expedite access to growing industries, while streamlining and pre-compliance with changing environmental laws. Companies can achieve long-term success in the dechlorination chemical industry by emphasizing innovation, sustainability, and industry expansion strategies.
The dechlorination chemical industry in the United States is anticipated to witness consistent growth due to strict environmental regulations and growing demand for sophisticated water treatment solutions. Polymeric raw material suppliers have been working carefully with product development teams to ensure the continued adoption of effective methods for chlorine removal driven by Clean Water Act and EPA guidelines in industrial and municipal sectors.
Chlorine-free water is also being used more in the food and beverage industry, such as bottled water and beverage manufacturing, creating additional demand. And the pharmacy industry, which needs high-purity water, is a growing buyer of dechlorination chemicals. Moreover, the focus on sustainable and non-toxic dechlorination agents, such as the use of activated carbon, is likely to have a positive impact on the industry, with significant players majorly focusing on the research and development of such products.
Growing concerns related to industrial wastewater treatment and sustainable water reuse strategies, will further boost the industry growth. According to FMI sales of dechlorination chemicals in the United States will expand at nearly 5.2% during 2015 to 2025.
UK Dechlorination Chemicals Industry Overview the United Kingdom is characterized by its stringent water quality regulations, which dictate the use of dechlorination chemicals in various water treatment processes. The country’s regulatory structure, such as adherence to the European Water Framework Directive, requires industries to reduce the release of chlorine.
As green chemistry and the protection of the environment are getting more established, the industries are motivated to change to alternative dechlorinating compounds with low residual effects. Water treatment sector municipal sector is the largest consumer of chlorine-free water where things based on chlorine is not an optimal production method.
The rising demand for activated carbon-based dechlorination chemicals is attributed to the growing shift towards sustainable water treatment solutions. Increase in the deployment of advanced water purification technologies, especially in urban industries, is expected to boost the demand for these products throughout the forecast period. According to FMI, demand for dechlorination chemicals in the United Kingdom sales are expected to grow at just under 4.8% CAGR through 2025 to 2035.
C - Based on Product, the dechlorination chemical industry in Germany is classified into Neutralizing Agents, Sequestering Agents, Reducing Agents, and Integrated Dechlorination Agents. With a progressive framework for environmental sustainability, Germany provides stringent wastewater treatment directives, urging industries to implement high-performance dechlorination technologies.
More and more countries are looking to invest in advanced water treatment technologies that will lead to lower reliance on toxic chemicals and the rise of non-toxic and biodegradable dechlorination chemicals. Increasing demand for high-purity water for pharmaceutical and food industries is positively impacting industry growth as well.
Moreover, Germany’s textile sector, respected for quality dyeing and finishing processes, is beginning to embrace advanced dechlorination methods to meet European environmental standards. Surge in the adoption of automation in water treatment plants due to need for accurate measurements in dosing and monitoring of dechlorination chemicals are among the key factors driving the growth of the dechlorination industry. According to FMI, Germany sales dechlorination chemicals demand will grow at about 5.0% during 2025 to 2035.
The French dechlorination chemical industry is growing due to rising environmental awareness and stringent regulatory policies. The government has started to take steps in the direction of sustainable water management practices, such as having stringent chlorine discharge limits, prompting the industries to look for efficient dechlorination methods.
A demand for eco-friendly chemical alternatives in water treatment is being stimulated by the country’s increasing dependence on renewable energy and sustainable manufacturing. The food and beverage industry, particularly the wine and dairy industries, is one of the largest consumers of dechlorination chemicals for high water quality.
Municipal wastewater treatment facilities are also using advanced dechlorination technologies that meet the requirements of the European environmental directive. Furthermore, the increasing proliferation of industrial automation in wastewater treatment plants is one of the critical factors contributing to the growth of the innovative dechlorination solutions industry. According to FMI, France sales of dechlorination chemicals demand will increase by 4.7% to year through 2025 to 2035.
The Italy dechlorination chemical industry is experiencing moderate growth due to rising needs for industrial water treatment and an expansion of the food and beverage industry. The country’s tough environmental regulations make it essential for industries to meet chlorine discharge limits, leading to the adoption of advanced dechlorination methods.
For instance, in the textile industry, where chlorine residue can negatively affect the quality of the fabric, companies are introducing high efficiency dechlorination processes to meet European Union mandates. In addition, growing urbanization along with modernization in municipal water treatment plants are also contributing in the industry growth.
But the high price of alternative dechlorination chemistry is slowing the paradigm shift away from sulfur-based options towards more environmentally friendly solutions, and that's weighing on the industry. However, increasing investment to the expansion of wastewater treatment infrastructure and sustainable water management will propel demand long term. “Dechlorination chemicals sales in Italy are projected to expand at nearly 4.5% CAGR from 2025 to 2035,” opines FMI.
The demand for dechlorinators is projected for significant growth in the Australia and New Zealand industry owing to recent surge in the concern for water conservation along with stringent government regulations surrounding the public health and safety.
Both countries have strict guidelines for the treatment of their water with a close monitoring of the chlorine contents in industrial and municipal wastewater. Increasing number of desalination plants and advanced water recycling initiatives in Australia are significantly driving the demand of dechlorination chemicals.
Because the food and dairy industries in New Zealand need high quality water for production, therefore Dechlorination chemicals are also essential to ensure that proper water quality is still safe and compliant with export requirements.
This has further shifted the industry dynamics toward the increasing adoption of eco-friendly and non-toxic dechlorination solutions. Demand in the region will be further driven by increased investments in smart water management technologies and automation in industrial water treatment facilities. Australia-New Zealand sales of dechlorination chemicals demand will grow at nearly 5.3% in 2025 to 2035, notes FMI
Thanks to the rapid industrial development and increasing imposition of regulatory requirements, China is likely to emerge as the fastest growing regional industry for dechlorination chemicals. As the concern of water pollution is rising and the discharge standard of wastewater is becoming increasingly stringent, high efficiency dechlorination technologies are routinely used in industries to meet national environmental standards.
Significant investments are being made across the municipal water treatment industry, with a number of new initiatives set to enhance water quality in urban and rural communities.
Pharmaceutical and food industries also contribute to industry growth because chlorine-free water is required for production. China's steadfast focus on environmental sustainability leads to growth in advanced low toxicity dechlorination chemicals.
Moreover, the government’s impetus for green alternatives and industry automation in water treatment plants is driving rapid migration to more advanced dechlorination solutions now. Through 2025 to 2035, the China sales of dechlorination chemicals demand are anticipated to apex at around 6.5% CAGR, according to FMI.
The dechlorination chemical industry in South Korea is growing as industries and municipalities place more importance on water quality and environmental compliance. The stringent wastewater treatment regulations in the country, especially in industries such as manufacturing and semiconductors, is leading to the adoption of advanced dechlorination solutions.
The government’s emphasis on clean energy and sustainable water management is driving demand for greener options & wrapping up as one of the major industries in South Korea, the food and beverage sector uses a lot of high-quality water, and reliable dechlorination chemicals.
High-tech industry growth, especially in pharmaceuticals and electronics manufacturing, is also fueling demand for ultra-pure water treatment solutions. The increasing adoption of smart water treatment technologies, such as automated dosing, monitoring systems, among others, will augment efficiency in the industry. According to FMI, the demand for dechlorination chemicals in South Korea will grow at near to 5.9% during 2025 to 2035.
Stringent water quality standards and progressive industrial practices are the key factors controlling the demand for dechlorination chemicals in Japan. The country’s stringent regulatory framework requires industries to adhere to specified limits on chlorine discharge, creating a steady demand for high-performance dechlorination chemicals. The food and beverage industry, particularly Japan’s world-class beverage manufacturing industry, relies on use of chlorine-free water to help maintain the quality of its fresh products.
With a longstanding and well-established infrastructure for municipal water treatment, the country has been continually upgrading its treatment facilities to incorporate more effective and less energy- or chemical-intensive technologies for dechlorination. Moreover, rising investment by Japan in wastewater recycling and industrial water reuse is expected to provide new growth opportunities for advanced dechlorination solutions.
As a result, the increase in value given to green chemistry and sustainable water treatment methods is driving this change towards greener options. Based on the consumption patterns, FMI estimates the demand for dechlorination chemicals in Japan to grow at nearly 5.1% through the aforementioned period 2025 to 2035.
The increasing need for clean water, stringent environmental regulations, and industrial expansion are major factors driving the demand for dechlorination chemicals. Industries such as municipal water treatment, food and beverage, and pharmaceuticals require effective solutions to remove chlorine from water to meet safety and compliance standards.
Industries that rely on high-purity water, such as municipal water treatment, food and beverage production, textiles, and pharmaceuticals, benefit significantly from dechlorination chemicals. These solutions ensure water quality, prevent contamination, and comply with regulatory requirements.
Dechlorination chemicals are primarily classified into sulfur-based chemicals such as sodium metabisulfite, sodium sulfite, and sodium bisulfite, as well as activated carbon-based solutions. Each type is used based on specific application requirements, efficiency, and environmental considerations.
Governments worldwide enforce strict water quality and environmental regulations, which influence the adoption of dechlorination solutions. Compliance with wastewater discharge limits and sustainability initiatives is pushing industries toward adopting advanced and eco-friendly dechlorination technologies.
The shift toward environmentally friendly solutions, automation in water treatment processes, and the development of high-efficiency, low-toxicity dechlorination chemicals are key trends shaping the industry. Innovations in monitoring systems and smart dosing technologies are also improving process efficiency and compliance.
Sulphur based Chemicals, Sodium Metabisulfite, Sodium Sulfite, Sodium Bisulfite, Activated Carbon based Chemicals, Drinking Water Grade, Wastewater Grade, Others
Liquid, Solid
Water Treatment, Food and Beverages, Textile
North America, Latin America, Western Europe, Eastern Europe, East Asia, South Asia & Pacific, Middle East & Africa
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Dechlorination Chemical Market
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