The Global Molecular Sieve for CO Purification Market was valued at US$ 1,936 Million in 2025 and is projected to reach US$ 2,993 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.6% during the forecast period (2026–2034). This robust growth is driven by stringent environmental regulations, the expansion of the steel and chemical industries, and the increasing demand for high-purity carbon monoxide in applications like acetic acid and polycarbonate production.

As industries worldwide intensify their focus on emission control and process efficiency, molecular sieves have become a cornerstone technology for selective gas separation. In this blog, we profile the Top 10 Companies in the Molecular Sieve for CO Purification Industry—a mix of global chemical giants, specialized adsorbent manufacturers, and regional leaders shaping the future of gas purification.

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Molecular Sieve for CO Purification Market – View in Detailed Research Report

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🔟 1. UOP (Honeywell)

Headquarters: Des Plaines, Illinois, USA
Key Offering: UOP ADS-120, ADS-124, and other specialized CO purification adsorbents

UOP, a Honeywell company, is a global leader in adsorbents and process technology for the petrochemical and gas treatment industries. Their molecular sieves are engineered for high CO selectivity, capacity, and stability in demanding industrial conditions, serving clients in hydrogen purification, syngas production, and olefin plants.

Innovation Focus:

• Development of next-generation adsorbents with enhanced CO/CH4 and CO/N2 separation factors

• Integrated solutions combining adsorption with pressure swing adsorption (PSA) technology

• R&D focused on reducing energy consumption in gas separation processes

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Molecular Sieve for CO Purification Market – View in Detailed Research Report

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9️⃣ 2. CECA (Arkema Group)

Headquarters: Paris, France
Key Offering: Siliporite® and Cecasorb® molecular sieves for gas separation

CECA, part of the Arkema Group, is a major European producer of molecular sieves and activated aluminas. The company offers a comprehensive portfolio of adsorbents tailored for CO purification from various gas streams, including blast furnace gas and syngas, with a strong focus on performance and longevity.

Innovation Focus:

• Customized sieve formulations for specific industrial gas compositions

• Advanced manufacturing processes to ensure consistent product quality

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8️⃣ 3. Zeochem AG

Headquarters: Uetikon, Switzerland
Key Offering: Zeolites and molecular sieves for air separation and gas drying/purification

Zeochem is a leading Swiss manufacturer of high-purity molecular sieves and zeolites. The company’s products are critical for removing contaminants and purifying CO in applications ranging from chemical synthesis to metallurgical off-gas treatment, known for their high thermal stability and adsorption capacity.

Innovation Focus:

• Expansion of production capacity for lithium-exchanged zeolites used in CO purification

• Focus on sustainable production methods and circular economy principles

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7️⃣ 4. Tosoh Corporation

Headquarters: Tokyo, Japan
Key Offering: TSZ® zeolites and molecular sieves

Tosoh Corporation is a Japanese chemical giant with a strong presence in the zeolite and molecular sieve market. Their products are used extensively in Asia for gas purification, including the recovery of CO from industrial waste gases, leveraging advanced synthesis technology for superior performance.

Innovation Focus:

• Research into novel zeolite structures with improved selectivity for carbon monoxide

• Strategic partnerships with industrial gas companies in the Asia-Pacific region

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6️⃣ 5. KNT Group

Headquarters: Zhongshan, China
Key Offering: Spherical and bar-shaped molecular sieves for CO/CO2 separation

KNT Group is a leading Chinese manufacturer of molecular sieves, activated carbon, and alumina balls. The company has a significant market share in China and supplies globally, offering cost-effective and efficient adsorbents for purifying CO from metallurgical tail gases and other industrial sources.

Innovation Focus:

• Development of specialized sieves for high-moisture gas streams

• Capacity expansion to meet growing domestic and international demand

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Molecular Sieve for CO Purification Market – View in Detailed Research Report

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5️⃣ 6. Chemxin

Headquarters: Dalian, China
Key Offering: Molecular sieves, desiccants, and catalyst supports

Chemxin is a prominent Chinese supplier specializing in molecular sieves for various separation applications. The company provides tailored solutions for CO purification, particularly in the steel and chemical sectors, with a strong emphasis on product reliability and technical support.

Innovation Focus:

• Investment in R&D for improving the mechanical strength and lifecycle of sieve products

• Expansion of product portfolio to include custom-formulated sieves

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4️⃣ 7. GRACE (W. R. Grace & Co.)

Headquarters: Columbia, Maryland, USA
Key Offering: Davison® molecular sieves and Sylobead® adsorbents

W. R. Grace & Co. is a global leader in specialty chemicals and materials, including their well-known Davison molecular sieves. These products are used worldwide for the purification and separation of gases, including CO, in refinery, petrochemical, and industrial gas applications.

Innovation Focus:

• Advanced binder technology to create robust sieve formulations

• Focus on sustainability through products that enable cleaner industrial processes

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3️⃣ 8. CWK (Chemiewerk Bad Köstritz GmbH)

Headquarters: Bad Köstritz, Germany
Key Offering: Synthetic zeolites and molecular sieves for gas treatment

CWK is a German manufacturer with a long history of producing high-quality synthetic zeolites. The company’s molecular sieves are engineered for efficient CO capture and purification, serving the European market with a reputation for precision and technical expertise.

Innovation Focus:

• Development of sieves with high resistance to poisoning by trace contaminants

• Collaboration with research institutions on new adsorption material technologies

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2️⃣ 9. Luoyang JALON Micro-nano New Materials Co., Ltd.

Headquarters: Luoyang, Henan, China
Key Offering: Molecular sieves, catalysts, and adsorbent materials

Luoyang JALON is a specialized Chinese manufacturer focusing on micro-nano new materials, including molecular sieves for gas separation. The company has developed expertise in producing sieves for challenging applications like yellow phosphorus tail gas treatment and CO recovery.

Innovation Focus:

• Nano-technology applications to enhance adsorption kinetics and capacity

• Strong focus on the domestic Chinese market for environmental protection

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1️⃣ 10. Shanghai Hengye Molecular Sieve Co., Ltd.

Headquarters: Shanghai, China
Key Offering: Molecular sieves, desiccants, and oxygen concentrator sieves

Shanghai Hengye is a key player in the Asian molecular sieve market, supplying a wide range of adsorbents for industrial and medical applications. Their products for CO purification are used in various sectors, including metallurgy and chemical manufacturing, known for their consistent quality.

Innovation Focus:

• Expansion of production capabilities for specialized gas purification sieves

• Development of regenerative sieves for continuous operation processes

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Molecular Sieve for CO Purification Market – View in Detailed Research Report

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🌍 Outlook: The Future of CO Purification is Smarter and More Efficient

The molecular sieve market for CO purification is undergoing a significant transformation. While traditional adsorbents continue to dominate, the industry is investing heavily in advanced materials, digital process control, and integrated purification systems to meet evolving environmental standards and industrial demands.

📈 Key Trends Shaping the Market:

• Growing demand for high-purity CO in the chemical and electronics industries

• Stringent global regulations on industrial emissions driving adoption of purification technologies

• Advancements in PSA and VPSA (Vacuum Pressure Swing Adsorption) technology enhancing sieve efficiency

• Increasing R&D into hybrid systems combining adsorption with membrane separation

Get Full Report Here:
Molecular Sieve for CO Purification Market – View in Detailed Research Report

The companies listed above are not only supplying essential materials for industrial gas purification—they are pioneering the sustainable and efficient separation technologies critical for modern manufacturing and environmental stewardship.