Flue Gas Desulfurization (FGD) Market Size, Share, Growth, and Industry Analysis, By Type (Wet FGD System, Limestone, Seawater, Dry & Semi-dry FGD System, Others), By Application (Iron & Steel Industry, Cement Manufacturing Industry, Power Generation, Chemical Industry, Others), Regional Insights and Forecast From 2026 To 2035

Flue Gas Desulfurization (FGD) Market Overview

The global flue gas desulfurization (fgd) market size is predicted to reach USD 129.8 Million by 2035 from USD 106.4 Million in 2026, registering a CAGR of 2.24% during the forecast from 2026 to 2035.

The flue gas desulfurization (FGD) market is centered on technologies that remove sulfur dioxide from combustion exhaust generated by power plants and emission-intensive industries. Wet FGD remains the most established configuration because it can achieve sulfur dioxide removal efficiency above 95% when correctly designed and operated. Wet systems represented about 71.2% of global installations in 2025, supported by extensive use in utility-scale coal plants. Limestone-based absorption remains particularly important because limestone is widely available, technically proven, and capable of producing reusable gypsum. Demand is increasingly connected with retrofit projects, industrial pollution control, wastewater management, automation, and integration with broader multi-pollutant control systems.

The USA flue gas desulfurization market is increasingly characterized by retrofit, modernization, maintenance, and lifecycle service requirements rather than construction of entirely new coal-fired generating facilities. Utilities continue operating wet and dry scrubbers to comply with federal and state air-quality requirements, while industrial facilities use sulfur-control systems across refining, chemicals, metals, and combustion-intensive manufacturing. Suppliers are emphasizing absorber upgrades, reagent optimization, corrosion-resistant components, wastewater reduction, predictive maintenance, and integration of existing scrubbers with carbon capture preparation. The large installed base creates continuing requirements for replacement components, inspection services, system rehabilitation, digital controls, pumps, spray equipment, mist eliminators, and operational performance improvements.

Key Findings

• By Type: Wet FGD systems lead with 45% market share, while dry and semi-dry systems represent the fastest-growing technology segment.

• By Application: Power generation dominates with 64.5% market share, while cement manufacturing shows stronger growth among major industrial applications.

• By Geography: Asia-Pacific leads with 42% market share, supported by coal generation, steelmaking, cement production, and emission-control investments.

Flue Gas Desulfurization (FGD) Market Latest Trends

The flue gas desulfurization (FGD) market is shifting from conventional standalone sulfur-control equipment toward integrated air-quality control platforms combining sulfur dioxide removal, particulate capture, wastewater treatment, automation, and carbon-capture preparation. Wet FGD systems continue dominating, accounting for 71.2% of deployment, while wet limestone-based configurations represent approximately 56.7% of process demand. These systems remain preferred for large utility installations because they deliver dependable sulfur capture and can convert absorbed sulfur into gypsum suitable for beneficial applications.

Another significant flue gas desulfurization market trend is growing interest in semi-dry, circulating fluidized-bed, and dry sorbent technologies. These configurations are attractive for industrial plants where water availability, installation footprint, wastewater management, or retrofit complexity restrict conventional wet systems. Digital instrumentation is also gaining importance as operators monitor absorber chemistry, slurry density, oxidation performance, reagent consumption, pressure drop, pump performance, and sulfur dioxide concentrations continuously.

FGD suppliers are additionally developing equipment compatible with post-combustion carbon capture. Existing sulfur-control infrastructure can provide critical pretreatment because carbon-capture solvents require cleaner inlet gas. Consequently, refurbishment of scrubbers, electrostatic precipitators, fabric filters, and reagent systems is becoming increasingly connected with broader industrial decarbonization projects.

Flue Gas Desulfurization (FGD) Market Dynamics

DRIVER

"Stricter sulfur dioxide emission regulations across power generation and heavy industries."

Environmental compliance remains the primary driver of the flue gas desulfurization market. Wet FGD technology can deliver sulfur dioxide removal efficiency of approximately 98% in properly configured utility applications, making the technology valuable where regulatory standards require significant sulfur reduction. Governments are strengthening emission requirements for thermal power stations, cement plants, steel mills, waste-to-energy plants, refineries, and other combustion-intensive industries. Operators consequently require FGD systems, absorber modifications, reagent preparation units, slurry pumps, oxidation equipment, mist eliminators, wastewater systems, and continuous monitoring equipment. Retrofit activity is particularly significant because many existing plants must improve emissions performance without replacing complete production assets. Demand is also strengthened by requirements for simultaneous control of sulfur oxides, particulate matter, mercury, acid gases, and other pollutants.

RESTRAINT

"High water consumption and complex wastewater management associated with wet FGD systems."

Wet FGD systems represent approximately 71.2% of market deployment, meaning a substantial portion of installed infrastructure depends on water-intensive scrubbing processes. This creates operational limitations in water-stressed locations and increases requirements for wastewater treatment, sludge handling, corrosion management, scaling prevention, and process chemistry control. Wet absorbers require substantial auxiliary equipment, including pumps, slurry tanks, oxidation blowers, dewatering systems, piping, reagent preparation equipment, and process controls. Existing facilities can also face space limitations when installing new absorbers and associated treatment systems. High maintenance requirements for pumps, spray nozzles, agitators, liners, ductwork, mist eliminators, and corrosion-resistant surfaces can influence technology selection. These factors encourage some industrial operators to evaluate dry or semi-dry alternatives wherever emission requirements and fuel characteristics permit.

OPPORTUNITY

"Expansion of retrofit, industrial emission control, and carbon-capture pretreatment applications."

Brownfield installations account for approximately 62.3% of FGD system activity, highlighting the substantial opportunity associated with modernization of existing facilities. Aging absorbers increasingly require upgrades to improve sulfur removal, reduce reagent consumption, decrease pressure losses, enhance gypsum quality, improve wastewater management, and extend operating life. The cement, iron and steel, chemicals, refining, waste-to-energy, and non-ferrous metals sectors provide additional opportunities beyond traditional utility power generation. Suppliers can also combine FGD equipment with carbon-capture pretreatment because sulfur compounds and particulates must be controlled before flue gas enters many solvent-based carbon-capture processes. Digital optimization, advanced sensors, reagent analytics, predictive maintenance, zero-liquid-discharge integration, and modular scrubber configurations provide additional opportunities for equipment manufacturers, engineering contractors, aftermarket providers, and environmental technology companies.

CHALLENGE

"Complex retrofit engineering and changing coal-power investment policies."

Power generation represents approximately 64.5% of FGD demand, creating considerable exposure to changes in thermal generation policy and coal-plant investment decisions. Retrofit engineering also remains technically demanding because scrubber systems must frequently be installed within existing operating facilities where available space, duct routing, outage windows, foundation capacity, water access, and existing electrical systems impose constraints. Corrosion-resistant materials can experience procurement and cost volatility, while skilled engineering and construction labor is necessary for absorber installation and modernization. Policy changes can additionally postpone procurement or reduce planned FGD installations. India demonstrated this risk during 2025 when changes to FGD requirements influenced several planned thermal power projects and caused suppliers to seek greater clarity concerning existing contracts.

Flue Gas Desulfurization (FGD) Market Segmentation

The flue gas desulfurization market is segmented according to technology, reagent configuration, industrial application, plant capacity, retrofit requirements, and emission-control targets. Wet FGD remains dominant because its sulfur removal capability exceeds 95% in many commercial applications. Power generation represents the largest application, while cement manufacturing, iron and steel, chemicals, refining, and other industries create an increasingly diversified demand base. Limestone remains the most widely used reagent because of its availability and suitability for gypsum-producing processes. Seawater systems are concentrated near coastal facilities, while dry and semi-dry systems are increasingly evaluated for water-constrained plants and compact industrial installations.

By Type

Based on Type, the global market can be categorized in to Wet FGD System, Limestone, Seawater, Dry & Semi-dry FGD System, and Others.

• Wet FGD System: Wet FGD systems account for approximately 45% of the defined technology-focused market structure and remain the preferred solution for large utility and industrial installations requiring high sulfur dioxide removal. Wet absorbers typically contact flue gas with alkaline slurry containing limestone or lime, allowing sulfur dioxide to react before cleaned gas exits through mist-elimination equipment. Removal efficiency can exceed 95%, supporting compliance at high-sulfur fuel facilities. Wet systems are particularly established in power generation because large gas volumes justify absorber infrastructure. Market activity includes new absorbers, modernization, slurry pumps, oxidation systems, spray headers, wastewater equipment, corrosion protection, instrumentation, and gypsum dewatering.

• Limestone: Limestone-based FGD represents approximately 23% of the defined market segmentation and remains one of the most commercially established sulfur-control approaches. Limestone represented 62.95% of global FGD reagent demand during 2025, demonstrating its dominant position among sorbents. Ground limestone is mixed with water and introduced into absorbers where calcium compounds react with sulfur dioxide. Forced oxidation converts reaction products into gypsum, creating opportunities for beneficial utilization in construction materials where quality specifications are satisfied. Limestone systems benefit from broad raw-material availability, proven operating experience, and suitability for high-capacity plants. Suppliers increasingly optimize milling, slurry concentration, oxidation air, spray distribution, and dewatering performance to improve reagent utilization.

• Seawater: Seawater FGD represents approximately 8% of the defined market structure and is primarily suitable for coastal power stations and industrial facilities with dependable access to seawater. Unlike conventional limestone processes, seawater FGD uses the natural alkalinity of seawater to absorb sulfur dioxide. The process can reduce requirements for purchased limestone and eliminate conventional gypsum handling equipment. Seawater systems are particularly relevant to coastal generating stations, refineries, marine-related facilities, and industrial complexes where intake and discharge infrastructure already exists. Technology suppliers focus on absorber design, oxidation, aeration, water chemistry, environmental discharge requirements, and corrosion-resistant construction. Adoption remains geographically concentrated because inland facilities generally lack practical access to sufficient seawater volumes.

• Dry & Semi-dry FGD System: Dry and semi-dry FGD systems account for approximately 19% of the defined segmentation and are gaining importance in facilities seeking lower water consumption and compact retrofit configurations. These technologies commonly use hydrated lime, circulating fluidized-bed absorption, spray drying, or dry sorbent injection to capture sulfur compounds before particulate collection. Semi-dry systems are particularly useful for industrial boilers, waste-to-energy facilities, cement plants, and smaller generating units. They avoid large wet slurry circuits and can reduce wastewater generation. Advanced circulating systems can simultaneously control sulfur dioxide, sulfur trioxide, hydrogen chloride, hydrogen fluoride, and selected heavy metals, increasing their attractiveness for multi-pollutant emission-control projects.

• Others: Other FGD technologies represent approximately 5% of the defined market and include advanced sorbent injection, hybrid scrubbers, specialized alkali processes, regenerable systems, and customized multi-pollutant configurations. These technologies address applications where conventional limestone wet scrubbers or standard dry systems are technically unsuitable. Some configurations use sodium-based sorbents to improve sulfur capture at lower temperatures, while others integrate particulate removal, acid-gas control, mercury reduction, and carbon-capture pretreatment. Adoption is supported by industrial facilities with unusual flue-gas characteristics, limited installation space, fluctuating sulfur concentrations, or strict discharge restrictions. Technology development increasingly emphasizes modular equipment, simplified reagent handling, automated chemical control, and reduced environmental footprint.

By Application

Based on Application, the global market can be categorized in to Iron & Steel Industry, Cement Manufacturing Industry, Power Generation, Chemical Industry, and Others.

• Iron & Steel Industry: The iron and steel industry accounts for approximately 11% of FGD market demand. Steelmaking operations generate sulfur-containing exhaust through sintering, coke production, boilers, furnaces, and auxiliary combustion processes. FGD systems are increasingly installed to control sulfur dioxide alongside particulate matter and nitrogen oxide reduction equipment. Steel producers commonly require systems capable of handling dust loading, temperature variations, fluctuating gas composition, and continuous industrial operation. Wet, semi-dry, and circulating dry technologies are used depending on site requirements. Modern installations increasingly integrate sulfur control with dust removal and denitrification, enabling steel mills to operate centralized multi-pollutant treatment systems while improving environmental compliance.

• Cement Manufacturing Industry: Cement manufacturing represents approximately 12% of global FGD demand and is receiving increased attention as environmental requirements expand beyond electricity generation. Cement kilns release sulfur compounds depending on raw-material chemistry, fuel sulfur content, kiln operation, and process configuration. Semi-dry and dry systems can be attractive because cement plants often prioritize reduced wastewater generation and integration with existing particulate-control equipment. Wet scrubbers are also used where high sulfur removal performance is required. Growing alternative-fuel use can create changing flue-gas chemistry, increasing demand for flexible pollution-control systems. Cement producers increasingly evaluate sulfur-control equipment alongside low-emission burners, bag filters, selective catalytic systems, and continuous emissions monitoring.

• Power Generation: Power generation accounts for approximately 64.5% of FGD system demand, making it the largest application segment globally. Coal-fired generating stations handle exceptionally large flue-gas volumes, making sulfur removal a major component of environmental infrastructure. Wet limestone FGD dominates large utility projects because sulfur dioxide removal can exceed 95%. Plants require absorbers, limestone preparation equipment, slurry circulation pumps, oxidation systems, mist eliminators, gypsum dewatering equipment, wastewater treatment systems, ducting, fans, and controls. Retrofit demand remains significant because existing facilities require component replacement and efficiency improvements. Suppliers also increasingly prepare utility scrubber systems for integration with post-combustion carbon-capture installations.

• Chemical Industry: The chemical industry represents approximately 7% of FGD demand, supported by sulfur-control requirements across chemical processing, petrochemicals, fertilizers, refineries, sulfur recovery operations, and industrial boilers. Flue-gas composition can differ considerably between facilities, creating requirements for customized absorber chemistry and materials selection. Chemical plants frequently prioritize reliability, corrosion resistance, process safety, continuous monitoring, and compatibility with existing pollution-control systems. Wet scrubbers can provide high sulfur removal, while dry and semi-dry systems are selected where wastewater limitations are critical. Opportunities are expanding for integrated systems capable of controlling sulfur compounds alongside particulates, acid gases, mercury, and other contaminants from complex industrial exhaust streams.

• Others: Other applications account for approximately 5.5% of global demand and include waste-to-energy, non-ferrous metals, pulp and paper, mining, marine operations, industrial boilers, glass production, and specialized combustion facilities. Waste-to-energy plants are particularly important for advanced semi-dry FGD because their exhaust may contain sulfur dioxide, hydrogen chloride, hydrogen fluoride, mercury, dioxins, and particulate matter simultaneously. Multi-pollutant systems allow operators to combine sorbent injection, filtration, catalytic treatment, and sulfur capture. Industrial customers increasingly prefer modular and retrofit-friendly designs that minimize shutdown duration. Growth opportunities also exist in facilities preparing exhaust streams for carbon capture or pursuing stricter internal environmental-performance targets.

Flue Gas Desulfurization (FGD) Market Regional Outlook

• North America

North America accounts for approximately 24% of global FGD market demand. The USA represents the largest national market within the region because of its substantial installed base of utility and industrial emission-control equipment. Babcock & Wilcox reports more than 300 operating utility and industrial boiler units in the USA and maintains a large installed base of wet and dry scrubbers. Its global emissions portfolio includes more than 300 wet scrubber installations and over 90 dry scrubber installations. Regional demand increasingly comes from modernization, replacement equipment, controls, absorber rehabilitation, dry sorbent injection, wastewater improvements, and carbon-capture pretreatment. Canada contributes through industrial boilers, mining, refining, metals, and power facilities. Mexico provides additional opportunity through industrial development and thermal generation. North American customers increasingly value lifecycle services, shorter outage execution, digital monitoring, local spare-parts availability, and systems capable of integrating sulfur removal with particulate and carbon-control equipment.

• Europe

Europe represents approximately 22% of global FGD demand and remains one of the most technologically advanced markets for industrial air-pollution control. Wet FGD accounts for approximately 69% of European installations, while industrial applications represent around 27% of regional FGD demand. Approximately 38% of installation activity is connected with retrofitting and modernization. Germany, Poland, the United Kingdom, and other industrial economies maintain demand through utility plants, waste-to-energy facilities, cement operations, metals manufacturing, and industrial boilers. European suppliers increasingly use semi-dry circulating systems to limit water consumption and achieve multi-pollutant control. The revised industrial-emissions regulatory environment strengthens investment in advanced filtration, sulfur reduction, continuous monitoring, and process optimization. Carbon-capture projects are also encouraging facilities to improve upstream gas cleaning because sulfur compounds and particulates can reduce downstream capture-system performance.

• Asia

Asia accounts for approximately 46% of global FGD demand, making it the largest regional market. China represents approximately 52% of regional installations, while India accounts for about 21% of Asia demand. Power generation contributes approximately 68% of regional FGD activity. China operates extensive coal-fired generating and industrial infrastructure, supporting continuing requirements for replacement absorbers, pumps, oxidation systems, reagent equipment, digital optimization, and lifecycle services. India represents another major market because coal accounted for approximately 75% of electricity generation during fiscal 2023-24, while coal-fired thermal capacity reached approximately 218 GW. Japan and South Korea contribute advanced environmental engineering capabilities, while Vietnam, Indonesia, and Southeast Asian economies create demand through thermal power, cement, steel, and industrial development. Policy changes can influence project timing, making diversified industrial applications increasingly important.

• Middle East & Africa

Middle East & Africa represents approximately 5% of global FGD demand. Industrialization, refining, metals processing, cement manufacturing, mining, waste treatment, and thermal generation support regional requirements for sulfur-control technologies. Wet FGD represents approximately 61% of installations within the broader regional market, while power generation contributes about 57% of FGD-related deployment. South Africa remains important because of its coal-based power system and heavy industrial base. Saudi Arabia and the United Arab Emirates generate opportunities through refining, petrochemicals, industrial utilities, metals, and waste-to-energy infrastructure. Water availability is an important technology-selection factor, encouraging interest in dry and semi-dry systems. Suppliers offering low-water configurations, compact equipment, corrosion-resistant designs, remote monitoring, and strong regional service capabilities can strengthen their competitive position as environmental compliance standards continue developing.

• Rest of the World

Rest of the World represents approximately 3% of global FGD demand and includes Latin American economies, smaller Asian markets, island power systems, and emerging industrial locations outside the major regional groupings. Brazil, Mexico, Chile, and other industrial markets generate requirements through metals, cement, mining, refining, industrial boilers, and thermal-generation facilities. The relatively small 3% share reflects lower concentrations of coal-fired generation compared with Asia, but industrial sulfur-control applications provide targeted opportunities. Mining and smelting facilities can require highly customized sulfur and particulate management because exhaust composition differs substantially from conventional power-plant flue gas. Modular wet scrubbers, dry sorbent injection systems, semi-dry absorbers, and integrated filtration platforms are attractive where plant capacity is smaller and major utility-scale FGD infrastructure is not economically appropriate.

KEY INDUSTRY PLAYERS

The flue gas desulfurization market includes global engineering groups, specialized pollution-control companies, equipment manufacturers, and regional EPC contractors. Competition centers on sulfur-removal efficiency, installation footprint, reagent consumption, wastewater generation, equipment reliability, lifecycle cost, digital monitoring, and retrofit capability. Major suppliers increasingly combine wet FGD, dry scrubbing, particulate removal, wastewater treatment, denitrification, and carbon-capture pretreatment within integrated portfolios. The leading 5 suppliers account for approximately 55% of installed-capacity activity, indicating meaningful concentration while preserving opportunities for regional specialists. Partnerships, acquisitions, service networks, local manufacturing, modularization, and performance-based modernization are becoming important competitive strategies.

List of Top Flue Gas Desulfurization (FGD) Companies

• Thermax
• Doosan Lentjes
• Babcock & Wilcox Enterprises
• Hamon Corporation
• General Electric
• Siemens
• Clyde Bergemann Power Group
• Rafako
• Flsmidth
• Mitsubishi Heavy Industries
• Marsulex Environmental Technologies
• Andritz

List of Top 2 Companies Market Share

• Andritz: Holds approximately 12% North American FGD share, supported by environmental technology integration and retrofit capabilities.
• Mitsubishi Heavy Industries: Remains among leading suppliers within a top-five group controlling approximately 35% regional share.

Leader Insights

• Thermax: Ashish Bhandari, Managing Director and CEO, emphasized that rising power demand, energy-security priorities, worsening air quality, and industrial expansion are increasing the need for clean-air and environmental technologies. His comments indicate sustained opportunities for air pollution control solutions as industries seek reliable operations while reducing environmental impact. (Published: 2026 | Source URL: https://www.thermaxglobal.com/)
• Babcock & Wilcox Enterprises: Kenneth Young, Chairman and CEO, highlighted that increasing electricity requirements from utilities, industrial customers, data centers, and expanding economies are accelerating investment in power-generation capacity. His outlook reflects continuing demand for environmental technologies, emissions-control systems, modernization services, and pollution-control equipment across existing thermal and industrial facilities. (Published: August 10, 2026 | Source URL: https://www.babcock.com/)
• Mitsubishi Heavy Industries: Bill Newsom, President and CEO of Mitsubishi Power Americas, emphasized that accelerating electricity demand is increasing the need for reliable generation, decarbonization technologies, and integrated power solutions. His comments indicate longer-term opportunities for emissions-management, carbon-capture preparation, and advanced flue gas treatment technologies across power-generation infrastructure. (Published: July 15, 2026 | Source URL: https://power.mhi.com/)

Investment Analysis and Opportunities

Investment in the flue gas desulfurization market is increasingly directed toward brownfield modernization, industrial emission control, low-water technologies, wastewater management, digital optimization, and carbon-capture-ready gas treatment. Brownfield projects account for approximately 62.3% of installation activity, demonstrating the scale of the retrofit opportunity. Attractive investment areas include absorber rehabilitation, reagent preparation, pumps, oxidation systems, dewatering equipment, corrosion-resistant materials, monitoring instruments, dry sorbent systems, and lifecycle services. Cement, steel, chemicals, waste-to-energy, refining, and industrial boiler applications provide diversification beyond conventional coal utilities. Local manufacturing and service infrastructure can further improve project execution and replacement-part availability.

New Product Development

New product development in the flue gas desulfurization market focuses on compact absorbers, advanced dry scrubbing, intelligent reagent control, corrosion-resistant components, optimized spray systems, reduced wastewater generation, and integrated carbon-capture pretreatment. Advanced wet FGD designs can achieve approximately 98% sulfur dioxide removal under appropriate operating conditions. Manufacturers are improving circulating fluidized-bed scrubbers, dry sorbent injection, seawater configurations, oxidation equipment, digital sensors, and automated chemistry management. GE Vernova has been associated with upgraded wet FGD systems incorporating sulfite analysis for performance optimization, while other suppliers increasingly combine sulfur-control equipment with particulate, mercury, acid-gas, and carbon-management technologies.

Flue Gas Desulfurization (FGD) Five Recent Developments (2025–2026)

• August 2025 – GE Vernova – Advanced wet FGD contract strengthens sulfur-control deployment at a Vietnamese power facility. GE Vernova advanced wet FGD deployment for a Vietnamese coal facility, emphasizing high sulfur-removal efficiency, operational reliability, optimized maintenance, and modern emission-control capabilities.
• June 2025 – Mitsubishi Heavy Industries – Compact semi-dry FGD platform targets industrial plants with constrained installation space. Mitsubishi Heavy Industries introduced compact semi-dry FGD technology for Japanese industrial facilities, targeting limited footprints, lower water requirements, sulfur reduction, and compliance flexibility.
• June 2025 – Andritz – TurboSorp retrofit modernizes flue gas cleaning at German waste-to-energy facility. Andritz secured flue gas cleaning modernization using TurboSorp circulating technology, targeting sulfur oxides, hydrogen chloride, plant-life extension, regulatory compliance, and retrofit efficiency.
• June 2025 – Babcock & Wilcox – Multi-unit emissions retrofit strengthens sulfur-control services for North American utility assets. Babcock & Wilcox advanced multi-unit emissions-control retrofit activity, applying wet and dry scrubbing expertise to strengthen sulfur removal, equipment modernization, reliability, and lifecycle support.
• January 2025 – Doosan Lentjes – New FGD contract expands advanced flue gas cleaning presence in Southeast Asia. Doosan Lentjes secured an FGD project supporting Southeast Asian generation, applying advanced gas-cleaning engineering to strengthen sulfur control, compliance performance, reliability, and regional presence.

Flue Gas Desulfurization (FGD) Market Report Coverage

The flue gas desulfurization (FGD) market report covers technology selection, reagent systems, industrial applications, regional demand, competitive positioning, investment activity, product innovation, retrofit requirements, and environmental compliance. Coverage evaluates Wet FGD System, Limestone, Seawater, Dry & Semi-dry FGD System, and Others across power generation, cement manufacturing, iron and steel, chemicals, and additional industrial applications. Wet FGD accounts for approximately 71.2% of technology deployment, while power generation represents approximately 64.5% of application demand. The report also examines equipment modernization, gypsum production, wastewater management, automation, carbon-capture pretreatment, supplier strategies, regional regulations, aftermarket services, and emerging multi-pollutant control technologies.