
Selective Catalytic Reduction Market
Selective Catalytic Reduction Market Forecasts to 2032 - Global Analysis By Reducing Agent Type (Ammonia, Urea and Diesel Exhaust Fluid), Catalyst Type, Component, Application, End User and By Geography

Years Covered |
2022-2032 |
Estimated Year Value (2025) |
US $15.4 BN |
Projected Year Value (2032) |
US $25.1 BN |
CAGR (2025 - 2032) |
7.2% |
Regions Covered |
North America, Europe, Asia Pacific, South America, and Middle East & Africa |
Countries Covered |
US, Canada, Mexico, Germany, UK, Italy, France, Spain, Japan, China, India, Australia, New Zealand, South Korea, Rest of Asia Pacific, South America, Argentina, Brazil, Chile, Middle East & Africa, Saudi Arabia, UAE, Qatar, and South Africa |
Largest Market |
Asia Pacific |
Highest Growing Market |
North America |
According to Stratistics MRC, the Global Selective Catalytic Reduction Market is accounted for $15.4 billion in 2025 and is expected to reach $25.1 billion by 2032 growing at a CAGR of 7.2% during the forecast period. Selective Catalytic Reduction (SCR) is an advanced emission control technology that reduces nitrogen oxides (NOx) from exhaust gases through a chemical reaction with a reductant, typically ammonia or urea, in the presence of a catalyst. This process converts harmful NOx emissions into harmless nitrogen (N?) and water vapor (H?O), significantly lowering air pollution levels. Widely used in power plants, industrial boilers, and diesel engines, SCR enhances compliance with stringent environmental regulations such as Euro 6 and Tier 4 standards.
According to the International Council on Clean Transportation (ICCT), Euro 6d standards require NOx emissions from diesel passenger cars to be below 80 mg/km, while China 6 standards limit NOx emissions to 35 mg/km for light-duty vehicles.
Market Dynamics:
Driver:
Growing industrialization and power generation
The accelerating pace of industrialization and expanding power generation activities worldwide are pivotal drivers for the selective catalytic reduction (SCR) market, particularly in emerging economies. Stringent emission norms, such as China’s National VI and India’s BS-VI standards, mandate NOx reduction in coal-fired plants and heavy industries, propelling SCR adoption. The integration of SCR technology in combined heat and power (CHP) systems further supports compliance with global air quality regulations accelerating market penetration.
Restraint:
Dependency on urea supply (DEF)
Urea, a critical component in SCR systems, is used to produce ammonia for NOx reduction in diesel engines. Fluctuations in urea availability due to supply chain disruptions or geopolitical factors can lead to increased costs and operational inefficiencies. Additionally, reliance on urea imports in certain regions exacerbates vulnerability to market volatility. Thus limited urea supply can hinder the adoption of SCR technology, impacting compliance with stringent emission regulations.
Opportunity:
Expanding use in marine and aviation sectors
Stringent emission regulations, such as IMO Tier III standards, are propelling the adoption of SCR systems to reduce nitrogen oxide (NOx) emissions from ships. Similarly, in aviation, SCR technology is being explored to meet evolving environmental standards for ground support equipment and auxiliary power units. These applications are fostering advancements in SCR catalysts, lightweight designs, and compact systems tailored for space-constrained environments.
Threat:
Competition from alternative emission control technologies
Emerging technologies, such as Exhaust Gas Recirculation (EGR) and Lean NOx Traps (LNT), offer cost-effective and efficient solutions for reducing nitrogen oxide emissions. These alternatives can outperform SCR systems in specific applications, leading to reduced adoption of SCR technology. Additionally, advancements in hybrid and electric vehicle technologies further diminish the demand for SCR systems, as these vehicles produce fewer emissions.
Covid-19 Impact:
The pandemic initially disrupted SCR supply chains, delaying component manufacturing and installation projects amid lockdowns. Reduced industrial activity and deferred emission compliance timelines temporarily slowed demand in 2020–2021. However, post-pandemic recovery packages, such as the EU’s Green Deal and U.S. Infrastructure Bill, prioritized funding for clean air technologies, reviving SCR investments. The market is now rebounding, driven by pent-up demand and accelerated regulatory enforcement.
The vanadium-based catalysts segment is expected to be the largest during the forecast period
The vanadium-based catalysts segment is expected to account for the largest market share during the forecast period due to their high efficiency in reducing nitrogen oxides (NOx) emissions. These catalysts, typically composed of V2O5 supported on TiO2, operate effectively across a wide temperature range, making them suitable for diverse industrial applications. Their ability to achieve high NOx conversion rates, even at low temperatures, enhances their appeal in stringent regulatory environments. However, concerns over vanadium toxicity and disposal challenges may impact market growth.
The power plants segment is expected to have the highest CAGR during the forecast period
Over the forecast period, the power plants segment is predicted to witness the highest growth rate. SCR systems are widely adopted in coal-fired and natural gas-fired power plants to comply with stringent environmental regulations aimed at reducing NOx emissions. The increasing global energy demand and the transition to cleaner energy sources further boost the adoption of SCR technology in power generation. Additionally, the shift towards renewable energy sources may impact the long-term demand for SCR systems in power plants.
Region with largest share:
During the forecast period, the Asia Pacific region is expected to hold the largest market share due to rapid industrialization and increasing energy demand. The presence of major manufacturing hubs, coupled with stringent emission control regulations, has fueled the adoption of SCR technology across industries. China and India, being among the largest contributors to industrial emissions, are heavily investing in NOx reduction solutions. The expansion of transportation, power generation, and petrochemical sectors in the region continues to support the market's growth.
Region with highest CAGR:
Over the forecast period, the North America region is anticipated to exhibit the highest CAGR driven by stringent environmental regulations and advancements in emission control technologies. The U.S. and Canada have enforced strict NOx emission standards, compelling industries to adopt SCR systems for compliance. The growing focus on reducing greenhouse gas emissions in power plants, automotive, and marine industries is further accelerating market growth.
Key players in the market
Some of the key players in Selective Catalytic Reduction Market include Tenneco Inc, SCR Solutions Holding Ltd, Röchling Group, Plastic Omnium, Mitsubishi Heavy Industries Ltd, Magneti Marelli, Johnson Matthey, Haldor Topsoe,Faurecia, Durr Systems, Inc., Cummins Inc., Cormetech, CONCORD Thermal Efficiency, Ceram-Ibiden, BOSCH, Bosal, BASF and ANDRITZ Clean Air Technologies
Key Developments:
In Jan 2025, BASF is projected to launch SYNOVA® Flex, a dual-function SCR catalyst compatible with both diesel and hydrogen combustion engines. The product aligns with global shifts toward multi-fuel transitional powertrains in maritime and rail sectors.
In February 2024, ANDRITZ announced it had secured an order from TPC Group to supply a Selective Catalytic Reduction (SCR) system for NOx emissions reduction at a power boiler in Houston, TX, U.S. This system is tailored for industrial use, offering high-efficiency NOx control to meet stringent environmental standards.
Reducing Agent Types Covered:
• Ammonia
• Urea
• Diesel Exhaust Fluid
Catalyst Types Covered:
• Vanadium-based Catalysts
• Zeolite-based Catalysts
• Titanium Dioxide (TiO2) Catalysts
• Metal Oxide Catalysts
Components Covered:
• Urea Tanks
• Urea Pumps
• Electronic Control Units
• Injectors
Applications Covered:
• Power Plants
• Waste Incineration
• Petroleum Refineries
• Metal & Manufacturing
• Locomotives & Agricultural Machinery
• Other Applications
End Users Covered:
• Automotives
• Power Generation
• Cement Industry
• Marine Industry
• Other End Users
Regions Covered:
• North America
o US
o Canada
o Mexico
• Europe
o Germany
o UK
o Italy
o France
o Spain
o Rest of Europe
• Asia Pacific
o Japan
o China
o India
o Australia
o New Zealand
o South Korea
o Rest of Asia Pacific
• South America
o Argentina
o Brazil
o Chile
o Rest of South America
• Middle East & Africa
o Saudi Arabia
o UAE
o Qatar
o South Africa
o Rest of Middle East & Africa
What our report offers:
- Market share assessments for the regional and country-level segments
- Strategic recommendations for the new entrants
- Covers Market data for the years 2024, 2025, 2026, 2028, and 2032
- Market Trends (Drivers, Constraints, Opportunities, Threats, Challenges, Investment Opportunities, and recommendations)
- Strategic recommendations in key business segments based on the market estimations
- Competitive landscaping mapping the key common trends
- Company profiling with detailed strategies, financials, and recent developments
- Supply chain trends mapping the latest technological advancements
Free Customization Offerings:
All the customers of this report will be entitled to receive one of the following free customization options:
• Company Profiling
o Comprehensive profiling of additional market players (up to 3)
o SWOT Analysis of key players (up to 3)
• Regional Segmentation
o Market estimations, Forecasts and CAGR of any prominent country as per the client's interest (Note: Depends on feasibility check)
• Competitive Benchmarking
o Benchmarking of key players based on product portfolio, geographical presence, and strategic alliances
Table of Contents
1 Executive Summary
2 Preface
2.1 Abstract
2.2 Stake Holders
2.3 Research Scope
2.4 Research Methodology
2.4.1 Data Mining
2.4.2 Data Analysis
2.4.3 Data Validation
2.4.4 Research Approach
2.5 Research Sources
2.5.1 Primary Research Sources
2.5.2 Secondary Research Sources
2.5.3 Assumptions
3 Market Trend Analysis
3.1 Introduction
3.2 Drivers
3.3 Restraints
3.4 Opportunities
3.5 Threats
3.6 Application Analysis
3.7 End User Analysis
3.8 Emerging Markets
3.9 Impact of Covid-19
4 Porters Five Force Analysis
4.1 Bargaining power of suppliers
4.2 Bargaining power of buyers
4.3 Threat of substitutes
4.4 Threat of new entrants
4.5 Competitive rivalry
5 Global Selective Catalytic Reduction Market, By Reducing Agent Type
5.1 Introduction
5.2 Ammonia
5.3 Urea
5.4 Diesel Exhaust Fluid
6 Global Selective Catalytic Reduction Market, By Catalyst Type
6.1 Introduction
6.2 Vanadium-based Catalysts
6.3 Zeolite-based Catalysts
6.4 Titanium Dioxide (TiO2) Catalysts
6.5 Metal Oxide Catalysts
7 Global Selective Catalytic Reduction Market, By Component
7.1 Introduction
7.2 Urea Tanks
7.3 Urea Pumps
7.4 Electronic Control Units
7.5 Injectors
8 Global Selective Catalytic Reduction Market, By Application
8.1 Introduction
8.2 Power Plants
8.3 Waste Incineration
8.4 Petroleum Refineries
8.5 Metal & Manufacturing
8.6 Locomotives & Agricultural Machinery
8.7 Other Applications
9 Global Selective Catalytic Reduction Market, By End User
9.1 Introduction
9.2 Automotives
9.3 Power Generation
9.4 Cement Industry
9.5 Marine Industry
9.6 Other End Users
10 Global Selective Catalytic Reduction Market, By Geography
10.1 Introduction
10.2 North America
10.2.1 US
10.2.2 Canada
10.2.3 Mexico
10.3 Europe
10.3.1 Germany
10.3.2 UK
10.3.3 Italy
10.3.4 France
10.3.5 Spain
10.3.6 Rest of Europe
10.4 Asia Pacific
10.4.1 Japan
10.4.2 China
10.4.3 India
10.4.4 Australia
10.4.5 New Zealand
10.4.6 South Korea
10.4.7 Rest of Asia Pacific
10.5 South America
10.5.1 Argentina
10.5.2 Brazil
10.5.3 Chile
10.5.4 Rest of South America
10.6 Middle East & Africa
10.6.1 Saudi Arabia
10.6.2 UAE
10.6.3 Qatar
10.6.4 South Africa
10.6.5 Rest of Middle East & Africa
11 Key Developments
11.1 Agreements, Partnerships, Collaborations and Joint Ventures
11.2 Acquisitions & Mergers
11.3 New Product Launch
11.4 Expansions
11.5 Other Key Strategies
12 Company Profiling
12.1 Tenneco Inc
12.2 SCR Solutions Holding Ltd
12.3 Röchling Group
12.4 Plastic Omnium
12.5 Mitsubishi Heavy Industries Ltd
12.6 Magneti Marelli
12.7 Johnson Matthey
12.8 Haldor Topsoe
12.9 Faurecia
12.10 Durr Systems, Inc.
12.11 Cummins Inc.
12.12 Cormetech
12.13 CONCORD Thermal Efficiency
12.14 Ceram-Ibiden
12.15 BOSCH
12.16 Bosal
12.17 BASF
12.18 ANDRITZ Clean Air Technologies
List of Tables
1 Global Selective Catalytic Reduction Market Outlook, By Region (2024-2032) ($MN)
2 Global Selective Catalytic Reduction Market Outlook, By Reducing Agent Type (2024-2032) ($MN)
3 Global Selective Catalytic Reduction Market Outlook, By Ammonia (2024-2032) ($MN)
4 Global Selective Catalytic Reduction Market Outlook, By Urea (2024-2032) ($MN)
5 Global Selective Catalytic Reduction Market Outlook, By Diesel Exhaust Fluid (2024-2032) ($MN)
6 Global Selective Catalytic Reduction Market Outlook, By Catalyst Type (2024-2032) ($MN)
7 Global Selective Catalytic Reduction Market Outlook, By Vanadium-based Catalysts (2024-2032) ($MN)
8 Global Selective Catalytic Reduction Market Outlook, By Zeolite-based Catalysts (2024-2032) ($MN)
9 Global Selective Catalytic Reduction Market Outlook, By Titanium Dioxide (TiO2) Catalysts (2024-2032) ($MN)
10 Global Selective Catalytic Reduction Market Outlook, By Metal Oxide Catalysts (2024-2032) ($MN)
11 Global Selective Catalytic Reduction Market Outlook, By Component (2024-2032) ($MN)
12 Global Selective Catalytic Reduction Market Outlook, By Urea Tanks (2024-2032) ($MN)
13 Global Selective Catalytic Reduction Market Outlook, By Urea Pumps (2024-2032) ($MN)
14 Global Selective Catalytic Reduction Market Outlook, By Electronic Control Units (2024-2032) ($MN)
15 Global Selective Catalytic Reduction Market Outlook, By Injectors (2024-2032) ($MN)
16 Global Selective Catalytic Reduction Market Outlook, By Application (2024-2032) ($MN)
17 Global Selective Catalytic Reduction Market Outlook, By Power Plants (2024-2032) ($MN)
18 Global Selective Catalytic Reduction Market Outlook, By Waste Incineration (2024-2032) ($MN)
19 Global Selective Catalytic Reduction Market Outlook, By Petroleum Refineries (2024-2032) ($MN)
20 Global Selective Catalytic Reduction Market Outlook, By Metal & Manufacturing (2024-2032) ($MN)
21 Global Selective Catalytic Reduction Market Outlook, By Locomotives & Agricultural Machinery (2024-2032) ($MN)
22 Global Selective Catalytic Reduction Market Outlook, By Other Applications (2024-2032) ($MN)
23 Global Selective Catalytic Reduction Market Outlook, By End User (2024-2032) ($MN)
24 Global Selective Catalytic Reduction Market Outlook, By Automotives (2024-2032) ($MN)
25 Global Selective Catalytic Reduction Market Outlook, By Power Generation (2024-2032) ($MN)
26 Global Selective Catalytic Reduction Market Outlook, By Cement Industry (2024-2032) ($MN)
27 Global Selective Catalytic Reduction Market Outlook, By Marine Industry (2024-2032) ($MN)
28 Global Selective Catalytic Reduction Market Outlook, By Other End Users (2024-2032) ($MN)
Note: Tables for North America, Europe, APAC, South America, and Middle East & Africa Regions are also represented in the same manner as above.
List of Figures
RESEARCH METHODOLOGY

We at ‘Stratistics’ opt for an extensive research approach which involves data mining, data validation, and data analysis. The various research sources include in-house repository, secondary research, competitor’s sources, social media research, client internal data, and primary research.
Our team of analysts prefers the most reliable and authenticated data sources in order to perform the comprehensive literature search. With access to most of the authenticated data bases our team highly considers the best mix of information through various sources to obtain extensive and accurate analysis.
Each report takes an average time of a month and a team of 4 industry analysts. The time may vary depending on the scope and data availability of the desired market report. The various parameters used in the market assessment are standardized in order to enhance the data accuracy.
Data Mining
The data is collected from several authenticated, reliable, paid and unpaid sources and is filtered depending on the scope & objective of the research. Our reports repository acts as an added advantage in this procedure. Data gathering from the raw material suppliers, distributors and the manufacturers is performed on a regular basis, this helps in the comprehensive understanding of the products value chain. Apart from the above mentioned sources the data is also collected from the industry consultants to ensure the objective of the study is in the right direction.
Market trends such as technological advancements, regulatory affairs, market dynamics (Drivers, Restraints, Opportunities and Challenges) are obtained from scientific journals, market related national & international associations and organizations.
Data Analysis
From the data that is collected depending on the scope & objective of the research the data is subjected for the analysis. The critical steps that we follow for the data analysis include:
- Product Lifecycle Analysis
- Competitor analysis
- Risk analysis
- Porters Analysis
- PESTEL Analysis
- SWOT Analysis
The data engineering is performed by the core industry experts considering both the Marketing Mix Modeling and the Demand Forecasting. The marketing mix modeling makes use of multiple-regression techniques to predict the optimal mix of marketing variables. Regression factor is based on a number of variables and how they relate to an outcome such as sales or profits.
Data Validation
The data validation is performed by the exhaustive primary research from the expert interviews. This includes telephonic interviews, focus groups, face to face interviews, and questionnaires to validate our research from all aspects. The industry experts we approach come from the leading firms, involved in the supply chain ranging from the suppliers, distributors to the manufacturers and consumers so as to ensure an unbiased analysis.
We are in touch with more than 15,000 industry experts with the right mix of consultants, CEO's, presidents, vice presidents, managers, experts from both supply side and demand side, executives and so on.
The data validation involves the primary research from the industry experts belonging to:
- Leading Companies
- Suppliers & Distributors
- Manufacturers
- Consumers
- Industry/Strategic Consultants
Apart from the data validation the primary research also helps in performing the fill gap research, i.e. providing solutions for the unmet needs of the research which helps in enhancing the reports quality.
For more details about research methodology, kindly write to us at info@strategymrc.com
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