Nitrogen Gas-Based Air Separation Unit Market By Process (Cryogenic, Non-cryogenic); By End Use (Iron & Steel, Oil & Gas, Healthcare, Chemicals, Others); By Geography – Growth, Share, Opportunities & Competitive Analysis, 2024 – 2032
The Nitrogen Gas-Based Air Separation Unit Market is projected to grow from USD 2196.8 million in 2024 to USD 3124.1 million by 2032, registering a CAGR of 4.5% during the forecast period.
REPORT ATTRIBUTE
DETAILS
Historical Period
2020-2024
Base Year
2024
Forecast Period
2025-2032
Nitrogen Gas-Based Air Separation Unit Market Size 2024
USD 2196.8 Million
Nitrogen Gas-Based Air Separation Unit Market, CAGR
4.5%
Nitrogen Gas-Based Air Separation Unit Market Size 2032
USD 3124.1 Million
The nitrogen gas-based air separation unit market is driven by rising industrial demand across sectors such as chemicals, food and beverages, healthcare, and electronics, where nitrogen is essential for inserting, packaging, and preservation processes. Increasing adoption in oil and gas for enhanced safety and operational efficiency further strengthens market expansion. Trends highlight a shift toward energy-efficient and modular units, supported by technological advancements in cryogenic and non-cryogenic processes. Growing environmental concerns are encouraging the use of sustainable separation technologies, while emerging economies are witnessing rising investments in industrial infrastructure, creating new opportunities for manufacturers to expand their presence.
The nitrogen gas based air separation unit market shows diverse geographical dynamics across key regions. Asia-Pacific leads with strong demand from steel, chemicals, and electronics, while North America and Europe follow, driven by advanced infrastructure, oil and gas, and healthcare. Latin America benefits from rising energy and chemical industries, and the Middle East & Africa see growth through oil and gas activities and industrial diversification. Key players include Air Liquide, Linde plc, Air Products and Chemicals, Messer, AIR WATER, CRYOTEC, Enerflex, EuroChem, KaiFeng Air Separation Group, Praxair Technology, and Ranch Cryogenics.
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The nitrogen gas-based air separation unit market will grow from USD 2196.8 million in 2024 to USD 3124.1 million by 2032, at a CAGR of 4.5% during the forecast period.
Cryogenic process dominates with 65% share in 2024, driven by large-scale, high-purity nitrogen demand from steel, chemicals, and oil and gas, while non-cryogenic units hold 35% share, favored for cost-efficient operations.
By end use, iron and steel leads with over 30% share, followed by oil and gas at 25%, chemicals at 20%, healthcare at 15%, and other industries including food and electronics with 10%.
Asia-Pacific holds the largest share at 33%, North America follows with 28%, Europe stands at 24%, while Latin America and Middle East & Africa capture 8% and 7% respectively.
Key players include Air Liquide, Linde plc, Air Products and Chemicals, Messer, AIR WATER, CRYOTEC, Enerflex, EuroChem, KaiFeng Air Separation Group, Praxair Technology, and Ranch Cryogenics.
Market Drivers
Rising Demand from Industrial Applications
The nitrogen gas based air separation unit market is witnessing strong growth due to rising demand across industries such as chemicals, pharmaceuticals, and electronics. Nitrogen is critical for maintaining inert atmospheres, preventing oxidation, and ensuring product stability. It is also widely applied in petrochemical processes and refining operations. The food and beverage industry uses nitrogen for packaging and preservation. Expanding applications across these sectors continue to drive the steady requirement for advanced air separation technologies.
For instance, BASF employs nitrogen blanketing in chemical reactors to minimize explosion risks and ensure safe handling of flammable compounds.
Growth in Oil and Gas Sector
The nitrogen gas based air separation unit market benefits from growing applications in the oil and gas sector. Nitrogen is vital for pipeline purging, enhanced oil recovery, and fire suppression systems. It improves safety and operational efficiency in high-risk environments. Energy companies are investing in reliable air separation units to meet large-scale demand for nitrogen. Rising global exploration and production activities create consistent opportunities, strengthening the role of these units in energy infrastructure.
For instance, ExxonMobil employs cryogenic air separation units to supply high-purity nitrogen for enhanced oil recovery processes in its Permian Basin fields.
Advancements in Air Separation Technologies
The nitrogen gas based air separation unit market is influenced by continuous innovation in cryogenic and non-cryogenic technologies. Companies are focusing on improving energy efficiency and lowering operational costs. Developments in pressure swing adsorption (PSA) and membrane technologies enhance flexibility for small and medium-scale industries. It enables end users to choose cost-effective and application-specific solutions. Technological upgrades also support sustainability goals, reducing environmental impact while meeting industrial-grade nitrogen demand across multiple end-use sectors.
Infrastructure Expansion in Emerging Economies
The nitrogen gas based air separation unit market is expanding rapidly in emerging economies due to rising industrial infrastructure. Growing manufacturing hubs in Asia-Pacific, Latin America, and the Middle East demand reliable nitrogen supply for diverse applications. Government initiatives to promote industrial growth fuel investments in production facilities. It encourages global manufacturers to establish regional supply networks. Increasing foreign direct investments and robust economic growth further support the adoption of advanced air separation units.
Market Trends
Shift Toward Energy-Efficient Systems
The nitrogen gas based air separation unit market is witnessing a strong trend toward energy-efficient systems. Rising energy costs and environmental concerns are driving industries to adopt units that minimize power consumption. Manufacturers are integrating advanced compressors, heat exchangers, and smart monitoring solutions to optimize performance. It helps reduce operational costs while meeting sustainability goals. Companies are also focusing on systems with lower carbon footprints, aligning with global initiatives promoting cleaner industrial processes.
For instance, Air Liquide has deployed its proprietary Cryocap™ technology in ASU facilities, capturing CO₂ from oxygen and nitrogen production while lowering overall carbon emissions.
Adoption of Modular and On-Site Units
The nitrogen gas based air separation unit market is moving toward modular and on-site production systems. Industries with variable nitrogen demand prefer compact units that provide flexibility and cost savings. On-site generation reduces reliance on bulk nitrogen supply, enhancing operational efficiency. It ensures uninterrupted availability for critical applications such as healthcare, electronics, and food processing. Modular units are gaining traction in emerging regions where space constraints and scalability requirements remain significant concerns.
For instance, Linde’s SPECTRA modular ASUs are designed specifically for high-purity nitrogen needs in the electronics industry, offering capacities from 7,000 to 70,000 Nm³/h and providing low operating costs with rapid deployment.
Integration of Advanced Separation Technologies
The nitrogen gas based air separation unit market is advancing through greater integration of innovative technologies such as pressure swing adsorption, membrane-based separation, and cryogenic systems. These technologies offer varying purity levels and capacity to suit diverse industrial needs. It allows companies to select solutions tailored to their operations. Hybrid systems that combine multiple technologies are gaining popularity for their reliability and efficiency. This trend reflects a broader shift toward precision-engineered nitrogen solutions across industries.
Expansion Across Emerging Markets
The nitrogen gas based air separation unit market is experiencing robust expansion across emerging economies. Rapid industrialization in Asia-Pacific, Latin America, and the Middle East fuels significant investments in manufacturing and energy infrastructure. Rising demand for industrial gases is encouraging global players to establish localized production facilities. It supports cost-effective supply chains and reduces dependency on imports. With governments promoting industrial growth, these regions are expected to remain crucial growth centers for nitrogen production technologies.
Market Challenges Analysis
High Operational and Capital Costs
The nitrogen gas based air separation unit market faces challenges due to high initial investments and operating expenses. Cryogenic systems, which dominate large-scale production, require substantial infrastructure, energy input, and maintenance. Small and medium-scale enterprises often struggle to justify such expenditures, limiting adoption in cost-sensitive industries. It creates barriers for new entrants and restricts wider penetration in emerging regions. Volatility in energy prices further intensifies cost concerns, making operational sustainability a pressing issue for manufacturers and end users.
Complexity in Technological Integration and Supply Chains
The nitrogen gas based air separation unit market also encounters challenges from complex technological requirements and supply chain limitations. Integration of advanced systems like PSA, membrane, or hybrid technologies requires skilled expertise and precise calibration. It creates dependence on specialized service providers, raising operational risks in regions with limited technical support. Supply chain disruptions, particularly in critical components such as compressors and membranes, can delay installations. These factors slow adoption rates and hinder market scalability in global industrial sectors.
Market Opportunities
Rising Demand from Healthcare and Electronics Industries
The nitrogen gas based air separation unit market offers strong opportunities from the growing healthcare and electronics sectors. Nitrogen plays a vital role in medical applications such as cryopreservation, sterilization, and pharmaceutical manufacturing. Expanding hospital infrastructure and rising demand for high-purity gases create favorable conditions. The electronics industry also requires nitrogen for semiconductor production, circuit board manufacturing, and cleanroom operations. It supports continuous investment in advanced separation units capable of delivering reliable and high-purity nitrogen supplies for these critical industries.
Expansion in Emerging Economies and Green Technologies
The nitrogen gas based air separation unit market is positioned to benefit from rapid industrialization across Asia-Pacific, Latin America, and the Middle East. Rising manufacturing activity and infrastructure development fuel consistent demand for nitrogen. Global players are expanding their footprints by establishing regional production facilities and partnerships. It also benefits from a growing focus on environmentally friendly technologies, where energy-efficient and low-emission air separation systems align with sustainability goals. These factors create profitable growth opportunities for market participants.
Market Segmentation Analysis:
By Process
The cryogenic segment dominates the nitrogen gas based air separation unit market with around 65% share in 2024. It is favored for high-purity and large-scale nitrogen production, supporting industries such as steel, chemicals, and oil and gas. Its efficiency and reliability make it the preferred choice for bulk requirements. The non-cryogenic segment, with about 35% share, is gaining traction due to lower costs, modular design, and suitability for small to medium-scale operations.
For instance, Parker Hannifin provides non-cryogenic membrane nitrogen generators used in small-scale applications like food packaging, where on-site generation reduces dependence on bulk deliveries.
By End Use
The iron and steel segment leads the nitrogen gas based air separation unit market with over 30% share, driven by nitrogen’s role in reducing oxidation and improving process stability. The oil and gas sector accounts for nearly 25%, using nitrogen in pipeline purging, safety systems, and enhanced oil recovery. Healthcare holds about 15%, supported by demand for medical-grade nitrogen. The chemicals sector contributes 20%, while other industries, including food and electronics, hold the remaining 10%.
For example, ExxonMobil applies high-purity nitrogen to safely displace flammable gases during refinery maintenance shutdowns.
Segments:
Based on Process:
Cryogenic
Non-cryogenic
Based on End Use:
Iron & Steel
Oil & Gas
Healthcare
Chemicals
Others
Based on the Geography:
North America
U.S.
Canada
Mexico
Europe
Germany
France
U.K.
Italy
Spain
Rest of Europe
Asia Pacific
China
Japan
India
South Korea
South-east Asia
Rest of Asia Pacific
Latin America
Brazil
Argentina
Rest of Latin America
Middle East & Africa
GCC Countries
South Africa
Rest of the Middle East and Africa
Regional Analysis
North America
North America holds 28% share of the nitrogen gas based air separation unit market in 2024. Strong demand from industries such as oil and gas, chemicals, and healthcare drives market growth. The region benefits from advanced manufacturing infrastructure and established technology providers. It continues to witness significant investments in energy and healthcare facilities requiring high-purity nitrogen. Rising focus on energy efficiency and sustainability supports adoption of advanced systems. Government initiatives to modernize industrial plants further strengthen demand for air separation units.
Europe
Europe accounts for 24% share of the nitrogen gas based air separation unit market in 2024. Strong steel and chemical industries across Germany, France, and the United Kingdom drive the need for nitrogen supply. The region benefits from stringent environmental standards, pushing companies to adopt energy-efficient and cleaner technologies. It also supports innovation in cryogenic systems due to strong R&D initiatives. Healthcare infrastructure in Europe creates additional demand for medical-grade nitrogen. Industrial modernization across Eastern Europe presents further opportunities.
Asia-Pacific
Asia-Pacific leads with 33% share of the nitrogen gas based air separation unit market in 2024. Rapid industrialization in China, India, Japan, and South Korea fuels strong demand. Large-scale steel production, expanding chemical industries, and growing electronics manufacturing boost adoption. It benefits from significant infrastructure investments and supportive government initiatives for industrial development. Healthcare advancements also increase the requirement for high-purity nitrogen. Rising adoption of modular and cost-effective systems strengthens the market’s growth across the region.
Latin America
Latin America captures 8% share of the nitrogen gas based air separation unit market in 2024. Growth is supported by the oil and gas sector in Brazil, Mexico, and Argentina. Expanding chemical industries and healthcare facilities further enhance demand. It faces challenges from infrastructure limitations, yet rising industrialization encourages adoption of efficient air separation units. Local and international players are investing in modular systems to meet regional needs. Government efforts to strengthen energy and manufacturing create favorable conditions.
Middle East & Africa
The Middle East & Africa holds 7% share of the nitrogen gas based air separation unit market in 2024. Strong oil and gas activities in GCC countries drive consistent demand for nitrogen-based applications. Industrial diversification efforts also create opportunities in chemicals and healthcare. It benefits from large-scale infrastructure investments across the region. International manufacturers are focusing on regional partnerships to strengthen presence. Rising energy and industrial requirements continue to push adoption of advanced air separation technologies.
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The nitrogen gas based air separation unit market is highly competitive with strong participation from global and regional players focusing on technological advancements, capacity expansions, and strategic partnerships. It is characterized by a mix of established multinational corporations and specialized manufacturers catering to diverse industrial needs. Leading companies such as Air Liquide, Linde plc, Air Products and Chemicals, Messer, and AIR WATER emphasize innovation in cryogenic and non-cryogenic technologies to deliver energy-efficient and reliable systems. Firms like CRYOTEC, Ranch Cryogenics, Enerflex, and KaiFeng Air Separation Group strengthen their market positions through modular solutions and regional expansions, targeting small and medium-scale industries. EuroChem and Praxair Technology contribute by integrating advanced systems into chemical and industrial applications, ensuring broader adoption. It demonstrates a competitive landscape where continuous investments in research, sustainability, and localized service support define differentiation strategies, while players seek long-term contracts with oil and gas, healthcare, and chemical industries to secure growth and reinforce market dominance.
Recent Developments
In June 2025, SOL India inaugurated a new Air Separation Unit (ASU) in Ranipet, Tamil Nadu, enhancing its production capacity of nitrogen, oxygen, and argon to strengthen its position in central-southern India.
In June 2024, Air Liquide announced a major USD 850 million investment to develop a new nitrogen air separation unit in Texas, USA, aimed at meeting the growing industrial gas demands across energy, manufacturing, and healthcare sectors.
In May 2025, BCCK secured a contract to deliver a 45 MMSCFD nitrogen rejection unit to the Permian Basin, expected to be operational by early 2027, supporting gas processing amid high‑nitrogen reserves.
Report Coverage
The research report offers an in-depth analysis based on Process, End-Use and Geography. It details leading market players, providing an overview of their business, product offerings, investments, revenue streams, and key applications. Additionally, the report includes insights into the competitive environment, SWOT analysis, current market trends, as well as the primary drivers and constraints. Furthermore, it discusses various factors that have driven market expansion in recent years. The report also explores market dynamics, regulatory scenarios, and technological advancements that are shaping the industry. It assesses the impact of external factors and global economic changes on market growth. Lastly, it provides strategic recommendations for new entrants and established companies to navigate the complexities of the market.
Future Outlook
Demand will grow from industries seeking high-purity nitrogen for manufacturing and processing needs.
Cryogenic systems will continue dominating due to large-scale efficiency and reliable nitrogen output.
Non-cryogenic units will expand among small enterprises needing flexible, cost-effective nitrogen generation solutions.
Steel and chemical industries will remain primary consumers, ensuring stable long-term nitrogen supply requirements.
Oil and gas operations will drive demand for nitrogen in pipeline purging and safety applications.
Healthcare sector will boost adoption of medical-grade nitrogen for pharmaceutical production and cryopreservation processes.
Environmental regulations will accelerate adoption of energy-efficient and low-emission nitrogen generation technologies.
Asia-Pacific will maintain leadership, driven by rapid industrialization and strong manufacturing sector growth.
Global players will expand through partnerships and regional facilities to strengthen supply chain efficiency.
Modular and hybrid technologies will gain traction, meeting diverse purity needs across multiple industries.
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Frequently Asked Questions
What is the current market size for nitrogen gas based air separation unit market, and what is its projected size in 2032?
The market size is USD 2196.8 million in 2024 and projected to reach USD 3124.1 million by 2032, showing steady industrial growth.
At what Compound Annual Growth Rate is the nitrogen gas based air separation unit market projected to grow between 2025 and 2032?
The nitrogen gas based air separation unit market is projected to grow at a CAGR of 4.5% during the forecast period from 2025 to 2032.
Which nitrogen gas based air separation unit market segment held the largest share in 2024?
The cryogenic process segment held the largest share in 2024, accounting for 65%, driven by high-purity, large-scale nitrogen demand across key industrial applications.
What are the primary factors fueling the growth of the nitrogen gas based air separation unit market?
Key growth drivers include rising industrial demand in chemicals, oil and gas, healthcare, electronics, food processing, advancements in air separation technologies, and infrastructure expansion globally.
Who are the leading companies in the nitrogen gas based air separation unit market?
Leading companies include Air Liquide, Linde plc, Air Products and Chemicals, Messer, AIR WATER, CRYOTEC, Enerflex, EuroChem, KaiFeng Air Separation Group, Praxair Technology, and Ranch Cryogenics.
Which region commanded the largest share of the nitrogen gas based air separation unit market in 2024?
Asia-Pacific commanded the largest share in 2024 with 33%, driven by rapid industrialization, steel production, chemical industries, electronics manufacturing, and expanding healthcare infrastructure.
About Author
Ganesh Chandwade
Senior Industry Consultant
Ganesh is a senior industry consultant specializing in heavy industries and advanced materials.
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