Dechlorination Chemical Market to Reach USD 2.5 Billion by 2035, Asia Pacific Leads with Solvay, BASF, Kemira

Growing wastewater treatment needs, strict regulations, and rising water reuse initiatives drive demand for efficient dechlorination solutions worldwide.

Mar. 30, 2026 at 6:33am

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The global dechlorination chemical market is projected to grow from USD 1.5 billion in 2025 to USD 2.5 billion by 2035, expanding at a CAGR of 5.7% over the forecast period. Growth is driven by increasing wastewater treatment requirements, stringent environmental discharge regulations, and rising adoption of chemical neutralization solutions across municipal and industrial sectors.

Why it matters

Dechlorination chemicals play a critical role in neutralizing residual chlorine and chloramines in treated water, ensuring compliance with environmental standards and preventing harm to aquatic ecosystems. Their application spans municipal wastewater treatment, industrial water management, power generation cooling systems, food & beverage processing, and large-scale irrigation projects.

The details

The dechlorination chemical market begins at USD 1.5 billion in 2025, supported by expanding municipal wastewater infrastructure and tightening discharge regulations. Between 2025 and 2030, demand accelerates due to increased industrial wastewater treatment and adoption of zero liquid discharge (ZLD) systems. From 2030 onward, growth is driven by advancements in automated dosing systems, increased investment in water recycling infrastructure, and rising industrial demand for high-purity water treatment solutions.

  • The market size in 2025 is USD 1.5 billion.
  • The market size in 2035 is projected to reach USD 2.5 billion.
  • The CAGR from 2025 to 2035 is approximately 5.7%.

The players

Solvay SA

A leading global chemical company that provides dechlorination solutions.

BASF SE

A multinational chemical company that offers a range of dechlorination chemicals.

Kemira Oyj

A specialty chemicals company that specializes in water treatment solutions, including dechlorination chemicals.

Chemtrade Logistics

A North American provider of dechlorination and other water treatment chemicals.

INEOS Calabrian

A global manufacturer of dechlorination and other water treatment chemicals.

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The takeaway

The dechlorination chemical market is poised for significant growth over the next decade, driven by increasing wastewater treatment needs, stricter environmental regulations, and the rising adoption of water reuse initiatives globally. Key players in the industry are focused on developing innovative solutions, improving distribution networks, and expanding into high-growth regions to capitalize on this expanding market opportunity.