Wastewater Treatment Chemicals Market Size, Share, Growth, and Industry Analysis, By Type (Coagulants & Flocculants, Corrosion & Scale Inhibitors, PH Adjusters, Biocides & Disinfectants, Chelating Agents, Softeners, Anti-foaming Agents), By Application (Textiles, Power,, Oil & Gas, Semiconductors, Pulp & Paper, Others), Regional Insights and Forecast to 2035

Wastewater Treatment Chemicals Market Overview

The global Wastewater Treatment Chemicals Market size estimated at USD 48744.76 million in 2026 and is projected to reach USD 103910.67 million by 2035, growing at a CAGR of 8.78% from 2026 to 2035.

The wastewater treatment chemicals market is expanding significantly due to increasing industrial wastewater generation, tightening environmental regulations, and rising water reuse activities across manufacturing sectors. In 2025, industrial facilities accounted for 64% of global wastewater chemical consumption, while municipal treatment systems represented 36% of total demand. Coagulants and flocculants held 31% market share because of extensive use in suspended solid removal and sludge treatment operations. Asia-Pacific contributed 42% of global wastewater treatment chemical consumption due to rapid industrialization and urban population growth. More than 71% of newly commissioned industrial treatment plants integrated advanced chemical dosing systems during 2025.

The United States accounted for approximately 26% of global wastewater treatment chemicals demand during 2025 due to strict environmental discharge standards and extensive industrial water recycling activities. More than 68% of manufacturing facilities in the country implemented chemical-based wastewater treatment systems for regulatory compliance. Power generation and oil refining sectors together represented 39% of domestic chemical consumption. Municipal treatment plants processing over 34 billion gallons of wastewater daily utilized coagulants, disinfectants, and pH adjusters extensively. Texas, California, and Louisiana contributed 43% of industrial wastewater chemical demand because of concentrated petrochemical and energy processing operations. Smart chemical dosing automation adoption increased by 29% across U.S. treatment facilities during 2025.

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Key Findings

• Key Market Driver: Industrial wastewater recycling adoption exceeded 66%, regulatory compliance implementation reached 74%, advanced chemical dosing integration increased by 39%, and industrial discharge treatment requirements expanded by 58% across manufacturing facilities globally.
• Major Market Restraint: Raw material price fluctuations affected 34% of suppliers, sludge disposal costs impacted 29% of operators, and high chemical handling expenses reduced operational efficiency by 24% in industrial wastewater treatment facilities.
• Emerging Trends: Bio-based treatment chemicals adoption increased by 27%, automated dosing system integration reached 41%, low-sludge coagulant usage expanded by 33%, and membrane-compatible chemical formulations accounted for 22% of newly launched products.
• Regional Leadership: Asia-Pacific maintained 42% market share due to industrial expansion, North America accounted for 26%, Europe captured 22%, and Middle East and Africa represented 10% through rising desalination and industrial water treatment demand.
• Competitive Landscape: The top seven manufacturers controlled 54% of global supply capacity, while coagulants and flocculants represented 31% of demand and oil and gas wastewater treatment applications contributed 21% of industrial consumption.
• Market Segmentation: Coagulants and flocculants held 31% market share, corrosion and scale inhibitors represented 19%, biocides and disinfectants captured 17%, and power generation applications accounted for 24% of global wastewater treatment chemical demand.
• Recent Development: Smart monitoring system integration increased by 28%, phosphorus removal efficiency improved by 22%, biodegradable treatment chemical adoption rose by 26%, and industrial wastewater recycling capacity expanded by 31% during 2025.

Wastewater Treatment Chemicals Market Latest Trends

The wastewater treatment chemicals market is experiencing rapid transformation due to rising industrial wastewater discharge, stricter environmental regulations, and growing investment in water recycling infrastructure. During 2025, automated chemical dosing systems were integrated into 41% of newly commissioned treatment plants because industries focused on improving treatment precision and reducing chemical wastage. Bio-based coagulants and flocculants gained strong traction, with adoption increasing by 27% globally due to lower sludge generation and improved environmental compatibility. Membrane-compatible treatment chemicals accounted for 22% of newly introduced formulations during 2025.

Industrial wastewater reuse projects significantly influenced market trends. More than 63% of semiconductor and power generation facilities implemented closed-loop water recycling systems requiring advanced corrosion inhibitors and pH adjusters. Digital monitoring systems capable of real-time chemical concentration analysis increased by 29% across industrial treatment plants. Asia-Pacific manufacturers introduced low-sludge coagulant technologies in 34% of new wastewater treatment projects to improve operational efficiency. Biocides and disinfectants also witnessed strong growth because microbial contamination control became a priority in food processing and pharmaceutical industries. Ultraviolet-compatible disinfection chemicals increased by 18% during 2025. Oil and gas wastewater treatment systems integrating anti-foaming agents and chelating chemicals expanded by 24% globally. Online industrial chemical procurement platforms represented 31% of wastewater treatment chemical distribution during 2025.

Wastewater Treatment Chemicals Market Dynamics

DRIVER

"Rising industrial wastewater discharge and regulatory compliance requirements."

Increasing industrial wastewater generation and strict environmental discharge standards are driving strong growth in the wastewater treatment chemicals market. During 2025, industrial facilities generated more than 380 billion cubic meters of wastewater globally, with manufacturing industries accounting for 61% of total discharge volume. Regulatory enforcement related to heavy metal removal and chemical oxygen demand reduction increased by 37% across industrial sectors. More than 68% of manufacturing plants adopted advanced coagulants, biocides, and pH adjusters to comply with wastewater discharge standards. Semiconductor and power generation industries increased chemical treatment usage by 29% because ultrapure water recycling requirements intensified. Asia-Pacific industrial treatment infrastructure expanded by 33% during 2025 due to rapid urbanization and rising industrial output.

RESTRAINT

"High sludge generation and chemical handling costs."

Sludge management and chemical handling expenses remain major restraints within the wastewater treatment chemicals market. More than 34% of industrial operators reported increasing operational costs related to sludge disposal and hazardous waste management during 2025. Coagulant-based treatment systems generated 26% higher sludge volume compared to membrane filtration technologies. Chemical storage and transportation compliance requirements increased logistics complexity by 18%. Small and medium industrial facilities experienced 21% lower operational efficiency because advanced chemical dosing systems required skilled technical personnel. Corrosion inhibitor and biocide formulations also faced cost pressure due to fluctuations in raw material availability. Approximately 29% of chemical manufacturers reported supply chain disruptions affecting specialty additive production during 2025. Chemical overuse in improperly monitored treatment systems increased operational expenses by 17%. Worker safety compliance related to handling disinfectants and pH adjusters additionally increased training expenditures by 14% across industrial treatment facilities.

OPPORTUNITY

"Expansion of industrial water recycling and zero liquid discharge systems."

The rapid expansion of industrial water recycling and zero liquid discharge systems is creating major opportunities in the wastewater treatment chemicals market. During 2025, more than 57% of semiconductor manufacturing facilities implemented advanced water recycling systems requiring specialty corrosion inhibitors and membrane-compatible chemicals. Power generation plants increased treated wastewater reuse by 31% globally because freshwater availability concerns intensified. Oil and gas wastewater treatment facilities adopting zero liquid discharge technologies expanded by 24% during 2025. Smart dosing systems integrated with digital monitoring reduced chemical wastage by 18%, creating strong opportunities for automation-focused chemical suppliers. Asia-Pacific industrial parks increased investment in centralized wastewater treatment facilities by 34% because environmental compliance regulations strengthened. Biodegradable treatment chemicals also created significant growth potential. Eco-friendly coagulants and flocculants reduced sludge generation by 21% and improved sustainability performance in industrial operations. Municipal treatment plants integrating advanced phosphorus removal chemicals increased by 19% globally during 2025. Online industrial procurement platforms improved wastewater chemical supply efficiency by 27% across developing markets.

CHALLENGE

"Maintaining treatment efficiency across complex wastewater compositions."

Complex industrial wastewater compositions remain a significant challenge for wastewater treatment chemical suppliers and facility operators. Heavy metal contamination levels exceeding standard discharge thresholds affected 23% of industrial wastewater streams during 2025. Semiconductor and textile manufacturing wastewater required multi-stage chemical treatment in 41% of facilities because of high dissolved solid concentrations. Chemical compatibility issues reduced treatment efficiency by 16% in facilities using mixed wastewater processing systems. More than 28% of wastewater treatment operators reported difficulty optimizing chemical dosing for fluctuating contamination levels. High salinity wastewater from oil and gas facilities required specialized corrosion inhibitors in 31% of treatment systems during 2025. Microbial resistance to conventional disinfectants increased operational complexity in 18% of municipal wastewater facilities. Membrane fouling caused by improper chemical balance affected 14% of advanced treatment systems globally. Environmental regulations related to residual chemical discharge also intensified, with 36% of industrial facilities upgrading monitoring systems to ensure compliance during 2025.

Wastewater Treatment Chemicals Market Segmentation

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The wastewater treatment chemicals market is segmented by type and application according to treatment function and industrial usage. Coagulants and flocculants dominated with 31% market share during 2025 because they are extensively used for suspended solid removal and sludge treatment. Corrosion and scale inhibitors represented 19% of demand due to rising industrial water recycling systems. Biocides and disinfectants accounted for 17% because microbial control became essential in industrial and municipal treatment plants. By application, power generation held 24% market share, oil and gas represented 21%, textiles accounted for 17%, and pulp and paper contributed 14% of total wastewater treatment chemical consumption globally.

BY TYPE

Coagulants & Flocculants: Coagulants and flocculants accounted for 31% of the wastewater treatment chemicals market during 2025 because they remain essential for suspended solid removal and sludge dewatering processes. Municipal treatment facilities represented 42% of total consumption within this category due to high wastewater clarification requirements. Polymeric flocculants improved sedimentation efficiency by 24% in industrial wastewater systems. Asia-Pacific contributed 44% of global coagulant demand because of rapid industrial wastewater treatment infrastructure expansion. Low-sludge coagulant formulations gained strong adoption, increasing by 28% during 2025 due to reduced disposal requirements. Textile and pulp industries represented 31% of industrial coagulant usage because dye removal and fiber separation processes required high-performance clarification chemicals. Automated dosing systems improved coagulant utilization efficiency by 19% in large-scale treatment facilities. Aluminum-based coagulants accounted for 37% of product demand, while iron-based flocculants represented 29% during 2025.

Corrosion & Scale Inhibitors: Corrosion and scale inhibitors represented 19% of the wastewater treatment chemicals market because industrial water recycling and boiler treatment systems expanded significantly during 2025. Power generation facilities accounted for 39% of corrosion inhibitor consumption due to cooling tower and boiler protection requirements. Scale deposition reduction technologies improved heat exchanger efficiency by 21% across industrial facilities. Oil and gas wastewater treatment systems represented 27% of global demand for corrosion inhibitors because high salinity wastewater increased equipment degradation risks. Phosphonate-based formulations accounted for 34% of product consumption during 2025. Smart monitoring systems integrated with inhibitor dosing improved treatment precision by 18% across industrial plants. North America contributed 29% of global corrosion inhibitor demand because refinery and petrochemical infrastructure remained highly concentrated. Closed-loop cooling systems increased inhibitor consumption by 24% during 2025.

PH Adjusters: pH adjusters held 12% market share in the wastewater treatment chemicals market during 2025 because industrial discharge standards required accurate pH balancing before wastewater release. Chemical manufacturing facilities represented 26% of pH adjuster consumption because acidic and alkaline wastewater streams required neutralization treatment. Automated pH control systems improved chemical dosing efficiency by 22% in semiconductor and pharmaceutical wastewater facilities. Sodium hydroxide and sulfuric acid formulations together accounted for 58% of pH adjustment chemical usage during 2025. Municipal wastewater treatment plants represented 31% of product demand because biological treatment systems required stable pH conditions. Asia-Pacific contributed 41% of global pH adjuster consumption due to industrial manufacturing expansion and urban wastewater treatment investments. Digital monitoring technologies integrated with pH adjustment systems increased by 27% globally during 2025.

Biocides & Disinfectants: Biocides and disinfectants accounted for 17% of the wastewater treatment chemicals market because microbial contamination control became essential across industrial and municipal treatment systems. Food processing and pharmaceutical industries together represented 36% of product demand during 2025. Oxidizing biocides improved microbial reduction efficiency by 23% in industrial cooling systems. Chlorine-based disinfectants accounted for 38% of product usage globally, while non-oxidizing biocides represented 26% during 2025. Municipal treatment plants processing over 400 million gallons per day integrated advanced disinfection systems in 43% of operations. Europe contributed 24% of global disinfectant demand because environmental safety standards for treated wastewater intensified. Ultraviolet-compatible disinfectant formulations increased by 18% during 2025 due to rising adoption of hybrid treatment systems.

Chelating Agents: Chelating agents represented 8% of the wastewater treatment chemicals market because heavy metal removal requirements increased significantly during 2025. Semiconductor and electroplating industries accounted for 33% of chelating chemical demand due to high concentrations of dissolved metal ions in wastewater streams. Metal sequestration efficiency improved by 19% using advanced aminopolycarboxylate-based chelating formulations. Industrial water recycling systems integrating chelating chemicals increased by 22% during 2025. Asia-Pacific represented 39% of global chelating agent demand because electronics manufacturing facilities expanded wastewater treatment capacity. Textile wastewater treatment applications contributed 17% of product consumption due to dye stabilization and metal removal requirements. Environmentally friendly biodegradable chelating formulations increased by 21% during 2025.

Softeners: Softeners accounted for 7% of the wastewater treatment chemicals market during 2025 because industrial and municipal facilities increasingly focused on reducing water hardness and scaling issues. Power generation facilities represented 28% of softener demand due to boiler feedwater conditioning requirements. Sodium-based softening compounds improved hardness reduction efficiency by 24% across industrial treatment systems. Municipal water reuse projects accounted for 31% of product demand during 2025. Automated ion exchange systems integrated with softener dosing technologies increased by 19% globally. North America contributed 27% of global softener chemical consumption because water reuse infrastructure expanded steadily. Semiconductor manufacturing facilities increased softener usage by 16% due to ultrapure water processing requirements. Eco-friendly softening formulations accounted for 14% of newly launched products during 2025.

Anti-foaming Agents: Anti-foaming agents represented 6% of the wastewater treatment chemicals market because industrial biological treatment systems required foam control for operational stability. Food processing and pulp industries together accounted for 37% of anti-foaming chemical consumption during 2025. Silicone-based anti-foaming agents represented 42% of total product demand because of rapid foam suppression performance. Industrial wastewater aeration systems integrating foam control chemicals increased by 18% during 2025. Asia-Pacific contributed 35% of global anti-foaming agent demand due to large-scale manufacturing wastewater treatment projects. Biological treatment efficiency improved by 14% in facilities using advanced anti-foaming technologies. Textile wastewater systems represented 16% of product demand because dye processing operations generated high foam levels during chemical treatment procedures.

BY APPLICATION

Textiles: The textile industry accounted for 17% of the wastewater treatment chemicals market during 2025 because dyeing and finishing operations generated high chemical oxygen demand wastewater. Coagulants and flocculants represented 36% of chemical usage in textile wastewater treatment due to color removal requirements. Asia-Pacific contributed 52% of textile wastewater treatment chemical demand because major textile manufacturing operations remained concentrated in China, India, and Bangladesh. Biocides and chelating agents improved dye degradation efficiency by 21% in textile processing facilities. Automated dosing systems reduced chemical wastage by 17% during 2025. Textile treatment plants implementing zero liquid discharge systems increased by 24% globally. Membrane-compatible chemicals represented 19% of textile wastewater treatment formulations during 2025.

Power: Power generation represented 24% of the wastewater treatment chemicals market because cooling tower systems and boiler operations required extensive water treatment. Corrosion and scale inhibitors accounted for 41% of chemical usage in power plant wastewater systems during 2025. Thermal power plants integrating closed-loop water recycling increased by 28% globally. North America and Asia-Pacific together represented 57% of power sector wastewater treatment chemical demand. Boiler feedwater conditioning systems improved operational efficiency by 18% using advanced treatment chemicals. Anti-foaming agents and pH adjusters represented 22% of chemical consumption within power generation facilities. Smart monitoring systems integrated with cooling water treatment increased by 27% during 2025.

Oil & Gas: Oil and gas applications accounted for 21% of the wastewater treatment chemicals market because produced water treatment and refinery wastewater management expanded significantly during 2025. Corrosion inhibitors represented 34% of product demand within the oil and gas sector because high salinity wastewater increased equipment degradation risks. Middle East and North America together accounted for 49% of oil and gas wastewater treatment chemical consumption during 2025. Produced water recycling systems increased by 23% globally because freshwater conservation became a strategic priority. Biocides improved microbial control efficiency by 19% in pipeline wastewater treatment systems. Oil-water separation chemicals represented 17% of product usage across refinery treatment facilities.

Semiconductors: Semiconductor manufacturing represented 11% of the wastewater treatment chemicals market during 2025 because ultrapure water processing and heavy metal removal requirements intensified. Chelating agents accounted for 31% of chemical demand within semiconductor wastewater treatment systems. Asia-Pacific represented 61% of semiconductor wastewater treatment chemical consumption because electronics manufacturing facilities remained highly concentrated in the region. Advanced pH adjusters improved wastewater neutralization efficiency by 23% in semiconductor fabrication plants. Water recycling systems integrated with membrane-compatible chemicals increased by 27% during 2025. Heavy metal recovery technologies improved resource reuse efficiency by 16% across semiconductor wastewater facilities. Automated monitoring systems capable of real-time contamination analysis represented 24% of new installations during 2025.

Pulp & Paper: Pulp and paper applications accounted for 14% of the wastewater treatment chemicals market because fiber processing and bleaching operations generated high organic wastewater loads. Coagulants and anti-foaming agents represented 39% of chemical usage within pulp and paper treatment facilities during 2025. Europe and North America together contributed 46% of global pulp and paper wastewater chemical demand. Biological treatment systems improved organic load reduction efficiency by 21% using advanced chemical conditioning formulations. Recycled water utilization increased by 18% in paper manufacturing plants during 2025. Low-sludge flocculants accounted for 27% of product demand because disposal costs remained high. Foam suppression technologies improved aeration system performance by 14% in pulp processing facilities.

Others: Other applications represented 13% of the wastewater treatment chemicals market and included food processing, pharmaceuticals, mining, and municipal treatment facilities. Municipal wastewater treatment plants accounted for 43% of this segment during 2025 because urban wastewater volumes continued increasing globally. Biocides and disinfectants represented 29% of chemical demand in municipal applications due to rising public health concerns. Mining wastewater treatment systems improved heavy metal removal efficiency by 18% using advanced chelating agents. Food processing wastewater facilities integrating biodegradable treatment chemicals increased by 22% during 2025. Online industrial procurement systems accounted for 26% of wastewater treatment chemical purchasing across smaller industrial facilities.

Wastewater Treatment Chemicals Market Regional Outlook

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Regional performance in the wastewater treatment chemicals market is influenced by industrialization, urban wastewater generation, environmental regulations, and water recycling investments. Asia-Pacific dominated with 42% market share because manufacturing expansion and urban population growth intensified wastewater treatment requirements. North America accounted for 26% due to strict industrial discharge regulations and advanced municipal treatment infrastructure. Europe held 22% market share because sustainability-focused water reuse initiatives expanded significantly. Middle East and Africa represented 10% through increasing desalination, industrial wastewater recycling, and oil and gas treatment activities. Coagulants and flocculants remained the largest product segment globally during 2025.

NORTH AMERICA

North America accounted for 26% of the global wastewater treatment chemicals market during 2025 because industrial water recycling systems and environmental compliance regulations remained highly developed. The United States represented 81% of regional demand, while Canada contributed 13% and Mexico accounted for 6%. Industrial facilities processing more than 95 billion gallons of wastewater daily utilized advanced chemical treatment systems extensively. Power generation and oil refining industries represented 38% of regional wastewater treatment chemical consumption during 2025. Corrosion and scale inhibitors accounted for 24% of chemical demand because cooling tower infrastructure required extensive protection from mineral scaling and corrosion. Smart dosing technologies integrated with digital monitoring systems increased by 31% across North American treatment facilities. Advanced sludge reduction technologies improved treatment efficiency by 17% in municipal and industrial plants during 2025. Automated pH adjustment systems accounted for 23% of new treatment infrastructure installations. Online procurement platforms represented 29% of wastewater treatment chemical purchasing across industrial operators in North America.

EUROPE

Europe held 22% of the wastewater treatment chemicals market during 2025 because sustainability-focused water management policies and industrial wastewater regulations remained strict. Germany accounted for 27% of regional demand, followed by France with 18%, the United Kingdom with 16%, and Italy with 11%. More than 71% of industrial facilities in Europe implemented advanced wastewater recycling systems during 2025. Coagulants and flocculants represented 32% of regional wastewater treatment chemical demand because municipal sludge treatment and industrial clarification systems expanded significantly. Biodegradable treatment chemicals increased by 26% during 2025 due to environmental restrictions on residual chemical discharge. Pulp and paper industries represented 14% of wastewater treatment chemical consumption across Europe. Digital monitoring and automated dosing technologies improved chemical utilization efficiency by 21% in regional treatment plants. Food processing wastewater treatment systems integrating bio-based chemicals increased by 19% during 2025. Northern European countries recorded 24% higher wastewater reuse activity compared to the previous year because freshwater conservation initiatives intensified.

ASIA-PACIFIC

Asia-Pacific dominated the wastewater treatment chemicals market with 42% share during 2025 because rapid industrialization and urban population growth significantly increased wastewater generation. China accounted for 39% of regional demand, followed by India with 18%, Japan with 14%, and South Korea with 9%. Industrial wastewater treatment systems represented 66% of regional chemical consumption during 2025. Textile, semiconductor, and power generation industries together accounted for 48% of wastewater treatment chemical demand across Asia-Pacific. Coagulants and flocculants represented 34% of regional product consumption because industrial clarification and sludge treatment requirements expanded significantly. Automated dosing technologies increased by 33% during 2025 across industrial treatment facilities. Asia-Pacific also led global bio-based wastewater treatment chemical adoption, accounting for 38% of worldwide demand during 2025. Oil and gas wastewater treatment projects integrating corrosion inhibitors expanded by 23% across Southeast Asia. Smart monitoring systems capable of real-time contamination analysis represented 26% of new treatment facility installations during 2025.

MIDDLE EAST & AFRICA

The Middle East and Africa accounted for 10% of the global wastewater treatment chemicals market during 2025 because desalination infrastructure, oil and gas operations, and industrial water reuse projects expanded steadily. Gulf countries contributed 54% of regional demand, while South Africa represented 16% and North African countries accounted for 21%. Oil and gas wastewater treatment systems represented 37% of regional chemical consumption. Corrosion and scale inhibitors accounted for 29% of wastewater treatment chemical demand because high salinity water increased infrastructure degradation risks. Desalination facilities integrating advanced anti-scaling chemicals increased by 24% during 2025. Municipal wastewater recycling systems processing more than 18 billion liters daily utilized coagulants and disinfectants extensively across the region. Biocides and disinfectants represented 18% of regional product consumption because public health and microbial control standards intensified. Import-based chemical supply networks accounted for 63% of regional distribution activity during 2025 because domestic manufacturing capacity remained limited. Automated chemical dosing systems increased by 19% across industrial wastewater treatment facilities.

List of Top Wastewater Treatment Chemicals Companies

• Kemira
• Kurita
• BASF
• Air Products & Chemicals
• Nalco-Ecolab
• AkzoNobel
• BWA Water Additives
• Ion Exchange
• Thermax
• Carus Corporation
• Hydrite Chemical
• The Dow Chemical Company
• Lonza Group
• GE Water & Process Technologies

List of Top 2 Companies Market Share

• Nalco-Ecolab: held approximately 16% market share in 2025 due to extensive industrial water treatment solutions, strong oil and gas sector penetration, and advanced digital dosing technologies.
• Kemira: accounted for nearly 13% market share because of large-scale coagulant and flocculant production capacity, municipal treatment expertise, and strong wastewater recycling partnerships globally.

Investment Analysis and Opportunities

Investment activity in the wastewater treatment chemicals market increased substantially during 2025 because industries focused on water recycling, environmental compliance, and advanced treatment infrastructure. More than 47% of industrial operators expanded wastewater treatment capacity to comply with tightening discharge regulations. Asia-Pacific accounted for 43% of global wastewater treatment infrastructure investment due to rapid industrial expansion and urban wastewater growth. Smart chemical dosing systems represented a major investment segment during 2025. Automated monitoring technologies capable of reducing chemical wastage by 18% attracted widespread adoption across industrial treatment plants. Semiconductor and power generation sectors increased investment in membrane-compatible chemicals by 26% because ultrapure water recycling requirements intensified.

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