Energy & Environment Industry Today

Demineralised Water Market Set for Remarkable Expansion to 25.95 Billion USD by 2032 | 3M, Toray Industries, Pentair, WABAG

The demineralised water market is expanding due to its essential role in power plants, pharmaceuticals, electronics manufacturing, and laboratories. Demineralised water is critical for processes needing pure, mineral-free water. Growth is driven by industrialization, quality standards, and sustainability needs.
Published 16 July 2025

Demineralised Water Market A Comprehensive Overview

demineralised water Market Size was estimated at 17.71 (USD Billion) in 2023. The Demineralised Water Market Industry is expected to grow from 18.48(USD Billion) in 2024 to 25.95 (USD Billion) by 2032. The demineralised water Market CAGR (growth rate) is expected to be around 4.33% during the forecast period (2024 - 2032).

The global demineralised water market has gained significant traction in recent years as industries and end-users increasingly demand high-purity water for a wide range of applications. Demineralised water, often referred to as deionised or DM water, is purified water that has had almost all its mineral ions—such as cations like sodium, calcium, iron, and copper, and anions such as chloride, sulfate, and nitrate—removed through ion-exchange, distillation, membrane filtration, or other advanced purification techniques.

This highly purified water is essential in sectors such as power generation, pharmaceuticals, microelectronics, food and beverage processing, and laboratory research. The increasing awareness about water quality standards and the critical role of ultra-pure water in industrial operations have bolstered the market demand, pushing manufacturers and service providers to innovate and expand their offerings to meet stringent requirements.

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Key Companies in the demineralised water Market Include:

Veolia Water Technologies

Suez

IDE Technologies

Evoqua Water Technologies

Culligan International

Pentair

GE Water Process Technologies

Pall Corporation

3M

Toray Industries

H2O Innovation

Qingdao Haier

WABAG

Ion Exchange (India)

Market Dynamics

The dynamics of the demineralised water market are shaped by a balance of growing industrial requirements, technological advancements in water treatment, and environmental regulations encouraging the use of treated water. Industries like power generation rely heavily on DM water to prevent scaling and corrosion in boilers and turbines, ensuring operational efficiency and longevity of equipment. Pharmaceutical companies demand demineralised water for the formulation of products, cleaning processes, and as a solvent in laboratories. Similarly, semiconductor and electronics manufacturers need ultra-pure water to rinse wafers and components where even trace amounts of minerals can cause defects. These diverse application areas create a stable demand base.

However, rising operational costs and the need for large-scale infrastructure for water treatment plants are factors that influence the cost dynamics and competitiveness in the market. The demand-supply equation also varies across regions due to differences in industrialization levels and water resource availability.

Key Market Drivers

One of the key drivers of the demineralised water market is the growing emphasis on industrial process efficiency and equipment maintenance. Industries have realized that untreated or improperly treated water can cause scaling, corrosion, and fouling of critical machinery, leading to frequent breakdowns and high maintenance costs.

This has created a compelling case for reliable DM water systems. Another driver is the tightening of environmental and quality regulations. Stringent wastewater discharge norms push industries to adopt closed-loop systems, which often require large quantities of recycled, purified water.

The rising demand for ultrapure water in the electronics industry, driven by the booming demand for semiconductors and microchips, is another strong catalyst. Moreover, increasing urbanization and population growth indirectly drive the market as they place pressure on municipal water resources, prompting industries to invest in their own water treatment solutions.

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Technological Advancements and Innovation

Technological advancements have played a pivotal role in shaping the demineralised water market, making purification processes more efficient, sustainable, and cost-effective.

Traditional ion-exchange processes are now being complemented or replaced by advanced membrane filtration techniques like reverse osmosis (RO), electro-deionization (EDI), and mixed-bed polishing systems that can deliver higher purity levels with lower chemical usage and waste generation. Automation and smart monitoring technologies have also emerged, allowing operators to track water quality parameters in real time and optimize treatment processes accordingly.

 New innovations focus on reducing operational costs, minimizing environmental impact, and ensuring consistent water quality to meet ever-tightening industry standards. Furthermore, modular and containerized water treatment solutions are gaining popularity as they offer scalability and flexibility for industries with fluctuating production needs or remote locations.

Market Segmentation

The demineralised water market can be segmented based on application, end-user industry, and geography. By application, the market includes boiler feed water, process water, rinsing and cleaning water, laboratory water, and others.

The boiler feed water segment remains dominant as thermal and nuclear power plants worldwide continue to depend on high-quality DM water to maintain steam generation efficiency and reduce maintenance downtime.

In terms of end-user industry, power generation, pharmaceuticals, microelectronics, chemicals, food and beverage, and laboratories form the core segments. Power generation and pharmaceuticals are among the largest consumers due to their stringent water quality demands.

Geographically, the market spans North America, Europe, Asia-Pacific, Latin America, and the Middle East and Africa. Asia-Pacific holds a significant share, driven by rapid industrialization in countries like China, India, and Southeast Asian nations, coupled with expanding power generation capacity and robust manufacturing activity.

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Challenges and Market Constraints

Despite its promising outlook, the demineralised water market faces several challenges and constraints. One major concern is the high initial capital expenditure required for setting up advanced water treatment plants and maintaining them. Small and medium enterprises often struggle to invest in expensive demineralisation technologies, especially in developing regions where cost sensitivity is high.

Another challenge is the disposal of waste brine and spent resins generated from ion-exchange processes, which requires compliance with environmental disposal regulations. Additionally, fluctuations in raw water quality, especially in regions with seasonal variations or water scarcity, can affect the efficiency and consistency of demineralisation systems, requiring regular monitoring and maintenance. The growing need for skilled personnel to operate and manage sophisticated purification systems is another hurdle, particularly for industries in remote areas.

Future Outlook

Looking ahead, the demineralised water market is poised for steady growth, driven by rising industrial demand, technological innovation, and increasing environmental consciousness. The market is expected to benefit from expanding sectors such as renewable energy, microelectronics, and high-value manufacturing, all of which rely on high-purity water.

The push for sustainable and circular water use will likely drive greater adoption of advanced technologies like zero-liquid discharge systems and hybrid demineralisation setups that integrate RO, EDI, and ion-exchange in a cost-effective and eco-friendly manner. Collaborations between technology providers and industries are expected to foster customized solutions that address specific operational needs.

Governments and regulatory bodies promoting water reuse and conservation will further incentivize investment in modern demineralisation infrastructure. As industries worldwide continue to prioritize operational efficiency, environmental

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