选择性催化还原市场－全球产业规模、份额、趋势、机会、预测：按应用、类型、车辆类型、地区和竞争格局划分，2021-2031年

全球选择性催化还原（SCR）市场预计将从 2025 年的 209.5 亿美元成长到 2031 年的 327.9 亿美元，复合年增长率为 7.75%。

这种主动式排放气体控制技术的工作原理是透过特定催化剂将液态还原剂注入柴油引擎废气中，有效地将氮氧化物转化为水和双原子氮气。市场的主要驱动力是政府日益严格的法规，这些法规要求降低内燃机的排放标准，以及工业环境中对高效节能发电的需求不断增长。这迫使製造商采用先进的后处理系统，以确保在不牺牲引擎性能的前提下满足法规要求。

然而，发展中地区柴油引擎废气处理液（DEF）的储存和分销基础设施不足，构成市场壁垒，阻碍了其广泛应用。儘管有这些物流挑战，重型运输业仍高度依赖内燃机，对选择性催化还原（SCR）解决方案的需求仍然强劲。根据欧洲汽车製造商协会（ACEA）的数据，到2024年，柴油卡车将占欧盟新车註册量的95.1%，显示商业领域对柴油动力系统的持续依赖，以及为满足严格的环保法规，对SCR技术的迫切需求。

市场驱动因素

国际海事组织（IMO）Tier III排放标准的实施正在推动海事领域的市场发展。这促使营运商对其现有船队进行改造，或建造配备先进排放气体控制系统的新船。随着氮氧化物排放控制区（NECA）相关法规的日益严格，选择性催化还原（SCR）技术的应用范围正从货船扩展到特殊船舶类别，促使企业即时投资升级废气排放系统以满足氮氧化物排放限制。例如，2024年9月，Waltira公司宣布已获得Colourline公司四艘客滚船（Ro-Pax，客货两用船）的废气处理系统升级订单，使其具备闭合迴路功能，从而满足不断变化的环保要求。

同时，全球重型商用车产量的成长正在推动市场成长，尤其是在基础设施计划需要大规模物流车辆的工业区。製造商持续大规模生产需要整合SCR技术的重型卡车，以满足相当于国六和欧六排放标准的要求。根据中国卡车网报道，2024年前三季中国重型卡车销售约68.12万辆，凸显了SCR技术的庞大应用规模。相关商业领域的市场扩张也可见一斑。 2025年1月，欧洲汽车製造商协会（ACEA）宣布，2024年欧盟新註册厢型车数量年增8.3%，显示排放气体控制技术的应用范围正在扩大。

市场挑战

全球选择性催化还原（SCR）市场面临的主要障碍之一是发展中地区柴油引擎废气处理液（DEF）的储存和分销基础设施不足。由于SCR系统依赖DEF的持续供应才能正常运作，供应链中断会导致引擎动力下降和不符合监管规定。这种物流方面的不确定性使得新兴市场的车队营运商在升级到配备SCR的大型车辆时犹豫不决，因为他们担心在关键的长途运输路线上DEF供应不足。

基础设施的匮乏延缓了现代商用车的普及，进而限制了SCR系统的潜在市场。大量需要此类支援的车辆涌入这些市场，凸显了物流缺口的严重性。根据印度汽车製造商协会（SIAM）统计，2024年印度国内商用车销量达951,991辆。如此庞大的新增车队规模表明，车辆需求与现有支援网路之间存在显着的不匹配，这有效地限制了SCR市场在这些前景广阔地区的成长潜力。

市场趋势

由于农业和施工机械的排放法规日益严格，非道路移动机械中选择性排放还原（SCR）系统的应用正在迅速扩展。与成熟的道路车辆市场不同，非公路机械领域目前正经历关键的技术变革，以满足未来的排放标准（近零氮氧化物排放），这迫使製造商重新设计重型机械的后处理系统。 2024年1月，美国设备製造商协会（AEM）指出，加州空气资源委员会（CARB）提案的第五阶段排放标准旨在将56-560千瓦非道路引擎的氮氧化物排放量比第四阶段最终标准降低90%，并且必须使用具有先进诊断功能的高性能SCR装置。

同时，氢基选择性催化还原（SCR）技术的研究正蓬勃发展，这标誌着业界寻求零碳燃烧方案的关键转折点。虽然氢内燃机不会排放二氧化碳，但在高温下会产生热力型氮氧化物，因此需要采用沸石催化剂等专用SCR解决方案来有效控制其独特的废气成分。 2024年10月，加州大学河滨分校的研究人员证明，将Y型沸石应用于铂基触媒转换器，可使250°C下的氮氧化物转化效率比标准转换器提高4至5倍。这凸显了先进的SCR技术在大型车辆氢动力技术的实用化中将发挥的关键作用。

目录

第一章概述

第二章：调查方法

第三章执行摘要

第四章：客户心声

第五章：全球选择性催化还原市场展望

• 市场规模及预测
  • 按金额
• 市占率及预测
  • 按应用领域（柴油车、汽油车）
  • 按类型（追踪类型、最佳化类型）
  • 车辆类型（乘用车、商用车）
  • 按地区
  • 按公司（2025 年）
• 市场地图

第六章：北美选择性催化还原市场展望

• 市场规模及预测
• 市占率及预测
• 北美洲：国别分析
  • 我们
  • 加拿大
  • 墨西哥

第七章：欧洲选择性催化还原市场展望

• 市场规模及预测
• 市占率及预测
• 欧洲：国别分析
  • 德国
  • 法国
  • 英国
  • 义大利
  • 西班牙

第八章：亚太地区选择性催化还原市场展望

• 市场规模及预测
• 市占率及预测
• 亚太地区：国别分析
  • 中国
  • 印度
  • 日本
  • 韩国
  • 澳洲

第九章：中东与非洲选择性催化还原市场展望

• 市场规模及预测
• 市占率及预测
• 中东与非洲：国别分析
  • 沙乌地阿拉伯
  • 阿拉伯聯合大公国
  • 南非

第十章：南美洲选择性催化还原市场展望

• 市场规模及预测
• 市占率及预测
• 南美洲：国别分析
  • 巴西
  • 哥伦比亚
  • 阿根廷

第十一章 市场动态

• 促进因素
• 任务

第十二章 市场趋势与发展

• 併购
• 产品发布
• 近期趋势

第十三章：全球选择性催化还原市场：SWOT分析

第十四章：波特五力分析

• 产业竞争
• 新进入者的潜力
• 供应商的议价能力
• 顾客权力
• 替代品的威胁

第十五章 竞争格局

• Johnson Matthey Group
• Faurecia SE
• Cummins Inc.
• OPmobility SE
• ROchling Group
• Tenneco Inc.
• Robert Bosch GmbH.
• Bosal Emission Control Systems
• MANN+HUMMEL GmbH
• BENTELER International

第十六章 策略建议

第十七章：关于研究公司及免责声明

The Global Selective Catalytic Reduction Market is projected to expand from USD 20.95 Billion in 2025 to USD 32.79 Billion by 2031, reflecting a CAGR of 7.75%. This active emissions control technology functions by injecting a liquid reductant through a specific catalyst into the diesel engine exhaust stream, effectively converting nitrogen oxides into water and diatomic nitrogen. The market is primarily propelled by strict government mandates requiring lower emission standards for internal combustion engines, alongside a growing need for fuel-efficient power generation in industrial settings, which forces manufacturers to adopt advanced after-treatment systems that ensure compliance without sacrificing engine performance.

However, the market faces hurdles due to inconsistent infrastructure for storing and distributing Diesel Exhaust Fluid (DEF) in developing areas, creating obstacles for widespread adoption. Despite these logistical issues, the heavy transport sector remains heavily dependent on internal combustion engines, maintaining strong demand for SCR solutions. Data from the European Automobile Manufacturers' Association indicates that diesel trucks comprised 95.1% of new European Union registrations in 2024, demonstrating the commercial sector's continued reliance on diesel powertrains and the consequent necessity for SCR technology to adhere to rigorous environmental regulations.

Market Driver

The enforcement of IMO Tier III standards within the maritime sector serves as a key market catalyst, requiring operators to retrofit current fleets and commission new ships equipped with advanced emissions control systems. As regulations regarding Nitrogen Emission Control Areas (NECAs) tighten, SCR adoption is spreading from cargo carriers to specialized vessel categories to satisfy nitrogen oxide limits, prompting immediate investment in exhaust hardware. For example, Wartsila reported in September 2024 that it received an order to upgrade exhaust treatment systems on four Ro-Pax vessels for Color Line, incorporating closed-loop features to meet these changing environmental requirements.

Simultaneously, rising global production of heavy-duty commercial vehicles drives market growth, especially in industrial regions where infrastructure projects demand extensive logistics fleets. Manufacturers continue to produce large volumes of heavy-duty trucks that require SCR integration to comply with standards equivalent to China VI and Euro VI. ChinaTruck.net reported that heavy-duty truck sales in China totaled roughly 681,200 units during the first three quarters of 2024, highlighting the vast scale of SCR implementation. Further evidence of market breadth is seen in related commercial sectors; the European Automobile Manufacturers' Association noted in January 2025 that new EU van registrations rose by 8.3% over the course of 2024, signaling an expanded scope for emissions control technologies.

Market Challenge

A major obstacle facing the Global Selective Catalytic Reduction Market is the inadequate infrastructure for Diesel Exhaust Fluid (DEF) storage and distribution in developing regions. Since SCR systems rely on a constant supply of DEF to function, any disruption in the supply chain risks engine derating or compliance failures. This uncertainty regarding logistics causes fleet operators in emerging markets to hesitate in upgrading to heavy-duty vehicles equipped with SCR, fearing that fluid will be unavailable on essential long-haul routes.

This lack of infrastructure slows the adoption of modern commercial vehicles, thereby restricting the potential market for SCR systems. The severity of this logistical gap is emphasized by the large number of vehicles entering these markets that require such support. The Society of Indian Automobile Manufacturers reported that domestic commercial vehicle sales hit 951,991 units in the 2024 calendar year. This high volume of new fleet additions highlights a significant mismatch between vehicle demand and the available support network, effectively limiting the growth potential of the SCR market in these promising regions.

Market Trends

The adoption of SCR systems in Non-Road Mobile Machinery is increasing rapidly as regulators impose stricter emissions targets on agricultural and construction equipment. Unlike the established on-road market, the off-highway sector is currently navigating a pivotal technology shift to meet future standards requiring near-zero nitrogen oxide emissions, prompting manufacturers to redesign after-treatment architectures for heavy machinery. In January 2024, the Association of Equipment Manufacturers noted that proposed California Air Resources Board Tier 5 regulations aim for a 90% reduction in nitrogen oxide emissions for off-road engines between 56 and 560 kW compared to Tier 4 Final standards, necessitating the use of high-performance SCR units with advanced diagnostics.

Simultaneously, the rise of Hydrogen-Based Selective Catalytic Reduction Research marks a significant shift as the industry investigates zero-carbon combustion options. Although hydrogen internal combustion engines eliminate carbon dioxide, they generate thermal nitrogen oxides at high temperatures, requiring specialized SCR solutions, such as zeolite-based catalysts, to manage unique exhaust compositions effectively. In October 2024, researchers at UC Riverside demonstrated that using Y zeolites in platinum-based catalytic converters improved the conversion of nitrogen oxides into nitrogen by four to five times at 250 degrees Celsius compared to standard converters, highlighting the vital role of advanced SCR technology in making hydrogen propulsion viable for heavy-duty use.

Key Market Players

• Johnson Matthey Group
• Faurecia SE
• Cummins Inc.
• OPmobility SE
• ROchling Group
• Tenneco Inc.
• Robert Bosch GmbH.
• Bosal Emission Control Systems
• MANN+HUMMEL GmbH
• BENTELER International

Report Scope

In this report, the Global Selective Catalytic Reduction Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Selective Catalytic Reduction Market, By Application

• Diesel Powered Vehicles
• Gasoline Powered Vehicles

Selective Catalytic Reduction Market, By Type

• Tracking
• Optimization

Selective Catalytic Reduction Market, By Vehicle Type

• Passenger Cars
• Commercial Vehicles

Selective Catalytic Reduction Market, By Region

• North America
  • United States
  • Canada
  • Mexico
• Europe
  • France
  • United Kingdom
  • Italy
  • Germany
  • Spain
• Asia Pacific
  • China
  • India
  • Japan
  • Australia
  • South Korea
• South America
  • Brazil
  • Argentina
  • Colombia
• Middle East & Africa
  • South Africa
  • Saudi Arabia
  • UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Selective Catalytic Reduction Market.

Available Customizations:

Global Selective Catalytic Reduction Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

• Detailed analysis and profiling of additional market players (up to five).

Table of Contents

1. Product Overview

• 1.1. Market Definition
• 1.2. Scope of the Market
  • 1.2.1. Markets Covered
  • 1.2.2. Years Considered for Study
  • 1.2.3. Key Market Segmentations

2. Research Methodology

• 2.1. Objective of the Study
• 2.2. Baseline Methodology
• 2.3. Key Industry Partners
• 2.4. Major Association and Secondary Sources
• 2.5. Forecasting Methodology
• 2.6. Data Triangulation & Validation
• 2.7. Assumptions and Limitations

3. Executive Summary

• 3.1. Overview of the Market
• 3.2. Overview of Key Market Segmentations
• 3.3. Overview of Key Market Players
• 3.4. Overview of Key Regions/Countries
• 3.5. Overview of Market Drivers, Challenges, Trends

4. Voice of Customer

5. Global Selective Catalytic Reduction Market Outlook

• 5.1. Market Size & Forecast
  • 5.1.1. By Value
• 5.2. Market Share & Forecast
  • 5.2.1. By Application (Diesel Powered Vehicles, Gasoline Powered Vehicles)
  • 5.2.2. By Type (Tracking, Optimization)
  • 5.2.3. By Vehicle Type (Passenger Cars, Commercial Vehicles)
  • 5.2.4. By Region
  • 5.2.5. By Company (2025)
• 5.3. Market Map

6. North America Selective Catalytic Reduction Market Outlook

• 6.1. Market Size & Forecast
  • 6.1.1. By Value
• 6.2. Market Share & Forecast
  • 6.2.1. By Application
  • 6.2.2. By Type
  • 6.2.3. By Vehicle Type
  • 6.2.4. By Country
• 6.3. North America: Country Analysis
  • 6.3.1. United States Selective Catalytic Reduction Market Outlook
    • 6.3.1.1. Market Size & Forecast
      • 6.3.1.1.1. By Value
    • 6.3.1.2. Market Share & Forecast
      • 6.3.1.2.1. By Application
      • 6.3.1.2.2. By Type
      • 6.3.1.2.3. By Vehicle Type
  • 6.3.2. Canada Selective Catalytic Reduction Market Outlook
    • 6.3.2.1. Market Size & Forecast
      • 6.3.2.1.1. By Value
    • 6.3.2.2. Market Share & Forecast
      • 6.3.2.2.1. By Application
      • 6.3.2.2.2. By Type
      • 6.3.2.2.3. By Vehicle Type
  • 6.3.3. Mexico Selective Catalytic Reduction Market Outlook
    • 6.3.3.1. Market Size & Forecast
      • 6.3.3.1.1. By Value
    • 6.3.3.2. Market Share & Forecast
      • 6.3.3.2.1. By Application
      • 6.3.3.2.2. By Type
      • 6.3.3.2.3. By Vehicle Type

7. Europe Selective Catalytic Reduction Market Outlook

• 7.1. Market Size & Forecast
  • 7.1.1. By Value
• 7.2. Market Share & Forecast
  • 7.2.1. By Application
  • 7.2.2. By Type
  • 7.2.3. By Vehicle Type
  • 7.2.4. By Country
• 7.3. Europe: Country Analysis
  • 7.3.1. Germany Selective Catalytic Reduction Market Outlook
    • 7.3.1.1. Market Size & Forecast
      • 7.3.1.1.1. By Value
    • 7.3.1.2. Market Share & Forecast
      • 7.3.1.2.1. By Application
      • 7.3.1.2.2. By Type
      • 7.3.1.2.3. By Vehicle Type
  • 7.3.2. France Selective Catalytic Reduction Market Outlook
    • 7.3.2.1. Market Size & Forecast
      • 7.3.2.1.1. By Value
    • 7.3.2.2. Market Share & Forecast
      • 7.3.2.2.1. By Application
      • 7.3.2.2.2. By Type
      • 7.3.2.2.3. By Vehicle Type
  • 7.3.3. United Kingdom Selective Catalytic Reduction Market Outlook
    • 7.3.3.1. Market Size & Forecast
      • 7.3.3.1.1. By Value
    • 7.3.3.2. Market Share & Forecast
      • 7.3.3.2.1. By Application
      • 7.3.3.2.2. By Type
      • 7.3.3.2.3. By Vehicle Type
  • 7.3.4. Italy Selective Catalytic Reduction Market Outlook
    • 7.3.4.1. Market Size & Forecast
      • 7.3.4.1.1. By Value
    • 7.3.4.2. Market Share & Forecast
      • 7.3.4.2.1. By Application
      • 7.3.4.2.2. By Type
      • 7.3.4.2.3. By Vehicle Type
  • 7.3.5. Spain Selective Catalytic Reduction Market Outlook
    • 7.3.5.1. Market Size & Forecast
      • 7.3.5.1.1. By Value
    • 7.3.5.2. Market Share & Forecast
      • 7.3.5.2.1. By Application
      • 7.3.5.2.2. By Type
      • 7.3.5.2.3. By Vehicle Type

8. Asia Pacific Selective Catalytic Reduction Market Outlook

• 8.1. Market Size & Forecast
  • 8.1.1. By Value
• 8.2. Market Share & Forecast
  • 8.2.1. By Application
  • 8.2.2. By Type
  • 8.2.3. By Vehicle Type
  • 8.2.4. By Country
• 8.3. Asia Pacific: Country Analysis
  • 8.3.1. China Selective Catalytic Reduction Market Outlook
    • 8.3.1.1. Market Size & Forecast
      • 8.3.1.1.1. By Value
    • 8.3.1.2. Market Share & Forecast
      • 8.3.1.2.1. By Application
      • 8.3.1.2.2. By Type
      • 8.3.1.2.3. By Vehicle Type
  • 8.3.2. India Selective Catalytic Reduction Market Outlook
    • 8.3.2.1. Market Size & Forecast
      • 8.3.2.1.1. By Value
    • 8.3.2.2. Market Share & Forecast
      • 8.3.2.2.1. By Application
      • 8.3.2.2.2. By Type
      • 8.3.2.2.3. By Vehicle Type
  • 8.3.3. Japan Selective Catalytic Reduction Market Outlook
    • 8.3.3.1. Market Size & Forecast
      • 8.3.3.1.1. By Value
    • 8.3.3.2. Market Share & Forecast
      • 8.3.3.2.1. By Application
      • 8.3.3.2.2. By Type
      • 8.3.3.2.3. By Vehicle Type
  • 8.3.4. South Korea Selective Catalytic Reduction Market Outlook
    • 8.3.4.1. Market Size & Forecast
      • 8.3.4.1.1. By Value
    • 8.3.4.2. Market Share & Forecast
      • 8.3.4.2.1. By Application
      • 8.3.4.2.2. By Type
      • 8.3.4.2.3. By Vehicle Type
  • 8.3.5. Australia Selective Catalytic Reduction Market Outlook
    • 8.3.5.1. Market Size & Forecast
      • 8.3.5.1.1. By Value
    • 8.3.5.2. Market Share & Forecast
      • 8.3.5.2.1. By Application
      • 8.3.5.2.2. By Type
      • 8.3.5.2.3. By Vehicle Type

9. Middle East & Africa Selective Catalytic Reduction Market Outlook

• 9.1. Market Size & Forecast
  • 9.1.1. By Value
• 9.2. Market Share & Forecast
  • 9.2.1. By Application
  • 9.2.2. By Type
  • 9.2.3. By Vehicle Type
  • 9.2.4. By Country
• 9.3. Middle East & Africa: Country Analysis
  • 9.3.1. Saudi Arabia Selective Catalytic Reduction Market Outlook
    • 9.3.1.1. Market Size & Forecast
      • 9.3.1.1.1. By Value
    • 9.3.1.2. Market Share & Forecast
      • 9.3.1.2.1. By Application
      • 9.3.1.2.2. By Type
      • 9.3.1.2.3. By Vehicle Type
  • 9.3.2. UAE Selective Catalytic Reduction Market Outlook
    • 9.3.2.1. Market Size & Forecast
      • 9.3.2.1.1. By Value
    • 9.3.2.2. Market Share & Forecast
      • 9.3.2.2.1. By Application
      • 9.3.2.2.2. By Type
      • 9.3.2.2.3. By Vehicle Type
  • 9.3.3. South Africa Selective Catalytic Reduction Market Outlook
    • 9.3.3.1. Market Size & Forecast
      • 9.3.3.1.1. By Value
    • 9.3.3.2. Market Share & Forecast
      • 9.3.3.2.1. By Application
      • 9.3.3.2.2. By Type
      • 9.3.3.2.3. By Vehicle Type

10. South America Selective Catalytic Reduction Market Outlook

• 10.1. Market Size & Forecast
  • 10.1.1. By Value
• 10.2. Market Share & Forecast
  • 10.2.1. By Application
  • 10.2.2. By Type
  • 10.2.3. By Vehicle Type
  • 10.2.4. By Country
• 10.3. South America: Country Analysis
  • 10.3.1. Brazil Selective Catalytic Reduction Market Outlook
    • 10.3.1.1. Market Size & Forecast
      • 10.3.1.1.1. By Value
    • 10.3.1.2. Market Share & Forecast
      • 10.3.1.2.1. By Application
      • 10.3.1.2.2. By Type
      • 10.3.1.2.3. By Vehicle Type
  • 10.3.2. Colombia Selective Catalytic Reduction Market Outlook
    • 10.3.2.1. Market Size & Forecast
      • 10.3.2.1.1. By Value
    • 10.3.2.2. Market Share & Forecast
      • 10.3.2.2.1. By Application
      • 10.3.2.2.2. By Type
      • 10.3.2.2.3. By Vehicle Type
  • 10.3.3. Argentina Selective Catalytic Reduction Market Outlook
    • 10.3.3.1. Market Size & Forecast
      • 10.3.3.1.1. By Value
    • 10.3.3.2. Market Share & Forecast
      • 10.3.3.2.1. By Application
      • 10.3.3.2.2. By Type
      • 10.3.3.2.3. By Vehicle Type

11. Market Dynamics

• 11.1. Drivers
• 11.2. Challenges

12. Market Trends & Developments

• 12.1. Merger & Acquisition (If Any)
• 12.2. Product Launches (If Any)
• 12.3. Recent Developments

13. Global Selective Catalytic Reduction Market: SWOT Analysis

14. Porter's Five Forces Analysis

• 14.1. Competition in the Industry
• 14.2. Potential of New Entrants
• 14.3. Power of Suppliers
• 14.4. Power of Customers
• 14.5. Threat of Substitute Products

15. Competitive Landscape

• 15.1. Johnson Matthey Group
  • 15.1.1. Business Overview
  • 15.1.2. Products & Services
  • 15.1.3. Recent Developments
  • 15.1.4. Key Personnel
  • 15.1.5. SWOT Analysis
• 15.2. Faurecia SE
• 15.3. Cummins Inc.
• 15.4. OPmobility SE
• 15.5. ROchling Group
• 15.6. Tenneco Inc.
• 15.7. Robert Bosch GmbH.
• 15.8. Bosal Emission Control Systems
• 15.9. MANN+HUMMEL GmbH
• 15.10. BENTELER International

16. Strategic Recommendations

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