Refining Catalysts Market Research Report 2033

Report Description

Refining Catalysts Market Outlook

According to our latest research and market assessment, the global refining catalysts market size reached USD 5.2 billion in 2024, exhibiting sustained growth driven by rising energy demand and increasingly stringent environmental regulations. The market is expanding at a robust CAGR of 4.8% and is forecasted to reach USD 7.9 billion by 2033. This growth trajectory is primarily fueled by the ongoing modernization of refineries, the adoption of advanced catalyst technologies, and the increasing complexity of crude oil feedstocks. As per our analysis, the refining catalysts market is witnessing a transformation, propelled by the dual imperatives of efficiency and sustainability.

One of the most significant growth factors for the refining catalysts market is the global shift towards cleaner fuels and stricter emission norms. Governments and regulatory bodies across the world are mandating lower sulfur content in fuels, which directly drives demand for advanced hydrotreating and hydrocracking catalysts. These catalysts facilitate the removal of impurities such as sulfur, nitrogen, and heavy metals from petroleum products, ensuring compliance with environmental standards like Euro 6 and Tier 3. Additionally, the increasing focus on reducing carbon footprints is compelling refineries to upgrade their catalyst systems, further stimulating market growth. The adoption of catalysts that enhance yield while minimizing environmental impact is becoming a non-negotiable requirement for refinery operators.

Technological advancements in catalyst formulations are another key driver shaping the refining catalysts market. The integration of nanotechnology and the development of tailor-made zeolite structures have resulted in catalysts with higher activity, selectivity, and stability. These innovations enable refineries to process heavier and more challenging crude oil types, maximizing output and profitability. Furthermore, ongoing research in catalyst regeneration and recycling is reducing operational costs and extending the lifespan of catalyst systems. The emergence of digitalization and process automation in refineries is also contributing to more precise catalyst management, optimizing performance and reducing downtime. As a result, the market is witnessing a surge in demand for bespoke catalyst solutions that cater to specific refining processes and feedstocks.

The global refining catalysts market is also benefiting from the expansion of the petrochemical sector and the diversification of refinery product portfolios. With the rise in demand for petrochemical intermediates and specialty chemicals, refineries are increasingly integrating downstream operations, necessitating specialized catalysts for processes such as alkylation, isomerization, and aromatization. This integration not only enhances refinery margins but also drives the need for high-performance catalysts capable of delivering superior conversion rates and selectivity. The trend towards integrated refinery-petrochemical complexes is expected to create significant opportunities for catalyst manufacturers, particularly in emerging economies with growing energy and chemical consumption.

From a regional perspective, Asia Pacific continues to dominate the refining catalysts market, accounting for the largest share due to its massive refining capacity, rapid industrialization, and growing energy needs. North America and Europe follow, driven by ongoing refinery upgrades and stringent environmental regulations. The Middle East & Africa region is emerging as a significant player, leveraging its abundant crude oil resources and investments in modern refining infrastructure. Latin America, while smaller in comparison, is witnessing steady growth supported by refinery expansions and modernization projects. The competitive landscape is characterized by the presence of global catalyst giants and a growing number of regional players, all vying for a larger share in this dynamic and evolving market.

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FCC Catalysts Analysis

Fluid Catalytic Cracking (FCC) catalysts represent a cornerstone segment within the refining catalysts market, playing a pivotal role in the conversion of heavy fractions of crude oil into lighter, more valuable products such as gasoline, diesel, and olefins. The demand for FCC catalysts is closely tied to the global consumption of transportation fuels and petrochemicals. With the increasing use of heavier and more complex crude oil feedstocks, refineries are relying on advanced FCC catalysts to maximize yield and enhance product quality. The development of next-generation FCC catalysts with improved coke selectivity, higher activity, and enhanced resistance to contaminants has become a key focus for catalyst manufacturers. These innovations are enabling refineries to operate at higher efficiencies while meeting stringent environmental standards.

The FCC catalysts market is also witnessing a shift towards the use of environmentally friendly formulations, with a growing emphasis on reducing the emission of pollutants such as sulfur oxides (SOx) and nitrogen oxides (NOx) during the cracking process. Catalyst manufacturers are investing heavily in research and development to create FCC catalysts that not only deliver superior conversion rates but also facilitate the production of ultra-low sulfur fuels. The integration of rare earth elements and proprietary zeolite structures has led to the commercialization of high-performance FCC catalysts that offer improved selectivity and stability. As refineries continue to upgrade their FCC units to process a wider range of feedstocks, the demand for tailored catalyst solutions is expected to rise significantly.

Another critical trend in the FCC catalysts segment is the growing adoption of catalyst regeneration and recycling technologies. The ability to regenerate spent FCC catalysts and recover valuable metals is becoming increasingly important as refineries seek to minimize operational costs and environmental impact. Advances in catalyst regeneration processes are enabling the recovery of up to 90% of catalyst activity, extending the useful life of FCC catalysts and reducing the need for fresh catalyst replacement. This not only enhances the sustainability of refinery operations but also contributes to the overall profitability of the refining process.

The competitive landscape in the FCC catalysts market is characterized by the presence of a few global players with extensive R&D capabilities and a strong focus on innovation. Companies are forming strategic partnerships with refineries to develop customized FCC catalyst solutions that address specific operational challenges and feedstock variations. The increasing complexity of refining operations, coupled with the need for higher product yields and lower emissions, is expected to drive continued investment in FCC catalyst technology. As the market evolves, the ability to deliver high-performance, cost-effective, and environmentally sustainable FCC catalysts will be a key differentiator for market leaders.

Report Scope

Hydrotreating Catalysts Analysis

Hydrotreating catalysts are essential for removing impurities such as sulfur, nitrogen, and metals from petroleum fractions, thereby producing cleaner fuels that comply with stringent environmental regulations. The demand for hydrotreating catalysts is being propelled by the global push for ultra-low sulfur diesel (ULSD) and gasoline, particularly in regions with aggressive emission reduction targets. Hydrotreating processes are critical for meeting the specifications of modern fuel standards, and the performance of these processes is heavily dependent on the quality and efficiency of the catalysts used. Recent advancements in hydrotreating catalyst formulations, including the use of novel metal combinations and support materials, have resulted in catalysts with higher activity, longer life, and improved resistance to deactivation.

The adoption of hydrotreating catalysts is also being driven by the increasing complexity of crude oil feedstocks, which often contain higher levels of contaminants that can poison conventional catalysts. Refineries are investing in advanced hydrotreating catalyst technologies that can effectively handle these challenging feedstocks while maintaining high conversion rates and product quality. The development of catalysts with enhanced hydrogenation activity and improved selectivity is enabling refineries to produce cleaner fuels with lower operational costs. Additionally, the integration of hydrotreating processes with other refinery units, such as hydrocrackers and FCC units, is creating new opportunities for catalyst manufacturers to offer integrated solutions that optimize overall refinery performance.

Environmental sustainability is a key consideration in the hydrotreating catalysts market, with a growing emphasis on reducing the carbon footprint of refining operations. Catalyst manufacturers are focusing on the development of eco-friendly hydrotreating catalysts that minimize the generation of hazardous by-products and facilitate the recovery of valuable metals. The use of advanced support materials, such as mesoporous alumina and silica, is enhancing the dispersion of active metals and improving catalyst stability. These innovations are enabling refineries to achieve higher levels of desulfurization and denitrogenation while reducing energy consumption and waste generation.

The competitive dynamics in the hydrotreating catalysts segment are shaped by the need for continuous innovation and close collaboration with refinery operators. Leading catalyst manufacturers are leveraging their technical expertise and process knowledge to develop customized hydrotreating catalyst solutions that address specific refinery requirements. The ability to provide comprehensive technical support, including catalyst selection, process optimization, and performance monitoring, is becoming a key differentiator in this highly competitive market. As environmental regulations continue to tighten and the demand for cleaner fuels increases, the hydrotreating catalysts market is expected to witness sustained growth and ongoing technological advancements.

Hydrocracking Catalysts Analysis

Hydrocracking catalysts play a vital role in the conversion of heavy oil fractions into lighter, high-value products such as gasoline, jet fuel, and diesel. The hydrocracking process involves the catalytic breaking of large hydrocarbon molecules in the presence of hydrogen, resulting in products with higher hydrogen-to-carbon ratios and improved quality. The demand for hydrocracking catalysts is being driven by the increasing need to maximize the production of middle distillates, which are in high demand due to their use in transportation and industrial applications. The ability of hydrocracking catalysts to process a wide range of feedstocks, including heavy and sour crudes, makes them indispensable for modern refineries seeking to optimize product yields and profitability.

Recent advancements in hydrocracking catalyst technology have focused on enhancing catalyst activity, selectivity, and stability. The use of advanced zeolite structures, improved metal dispersion techniques, and innovative support materials has resulted in catalysts that offer superior performance and longer operational life. These innovations are enabling refineries to achieve higher conversion rates, lower hydrogen consumption, and improved product quality. The development of bifunctional hydrocracking catalysts, which combine acidic and hydrogenation functions, is further enhancing the flexibility and efficiency of hydrocracking processes.

The hydrocracking catalysts market is also being influenced by the growing emphasis on environmental sustainability and energy efficiency. Refineries are increasingly adopting hydrocracking catalysts that facilitate the production of ultra-low sulfur fuels and minimize the formation of undesirable by-products. The integration of hydrocracking processes with other refinery units, such as hydrotreaters and FCC units, is creating new opportunities for catalyst manufacturers to offer integrated solutions that optimize overall refinery performance. The ability to provide catalysts that deliver high yields of clean fuels while reducing operational costs and environmental impact is becoming a key competitive advantage in this segment.

The competitive landscape in the hydrocracking catalysts market is characterized by intense R&D activity and a focus on strategic partnerships with refinery operators. Leading catalyst manufacturers are investing in the development of proprietary catalyst formulations and process technologies that address the specific needs of different refinery configurations and feedstocks. The ability to offer comprehensive technical support, including catalyst selection, process optimization, and performance monitoring, is critical for success in this highly specialized market. As the demand for cleaner fuels and higher-value products continues to grow, the hydrocracking catalysts market is expected to witness sustained innovation and expansion.

Alkylation Catalysts Analysis

Alkylation catalysts are a critical component in the production of high-octane gasoline, which is essential for meeting modern fuel standards and improving engine performance. The alkylation process involves the reaction of light olefins with isobutane in the presence of a catalyst to produce alkylate, a premium blending component for gasoline. The demand for alkylation catalysts is being driven by the increasing need for cleaner-burning fuels with higher octane ratings and lower emissions. Traditional alkylation processes have relied on liquid acid catalysts such as sulfuric acid and hydrofluoric acid, but safety and environmental concerns are prompting a shift towards solid acid and ionic liquid catalysts.

Recent advancements in alkylation catalyst technology have focused on developing safer and more environmentally friendly alternatives to conventional acid catalysts. The introduction of solid acid catalysts and ionic liquid catalysts has significantly reduced the risks associated with handling and disposal of hazardous chemicals. These new catalyst systems offer comparable or superior performance to traditional catalysts, with the added benefits of lower environmental impact and improved operational safety. The adoption of these advanced alkylation catalysts is being supported by regulatory initiatives aimed at reducing the use of hazardous substances in refinery operations.

The alkylation catalysts market is also being influenced by the ongoing modernization of refining infrastructure and the integration of advanced process technologies. Refineries are upgrading their alkylation units to accommodate new catalyst systems and optimize product yields. The ability to produce high-purity alkylate with minimal by-product formation is a key requirement for modern alkylation catalysts. Catalyst manufacturers are investing in R&D to develop formulations that offer high activity, selectivity, and stability under a wide range of operating conditions.

The competitive dynamics in the alkylation catalysts market are shaped by the need for continuous innovation and close collaboration with refinery operators. Leading catalyst manufacturers are partnering with technology providers and refineries to develop customized alkylation catalyst solutions that address specific operational challenges and regulatory requirements. The ability to offer comprehensive technical support, including catalyst selection, process optimization, and performance monitoring, is becoming a key differentiator in this highly competitive market. As the demand for high-octane, cleaner-burning fuels continues to grow, the alkylation catalysts market is expected to witness sustained innovation and expansion.

Zeolites Analysis

Zeolites are one of the most widely used ingredients in refining catalysts, owing to their unique structural properties and high catalytic activity. Zeolites are crystalline aluminosilicates with a well-defined pore structure, which allows for selective adsorption and conversion of hydrocarbon molecules. The use of zeolites in refining catalysts is particularly prevalent in FCC, hydrocracking, and isomerization processes, where their high surface area and acidity enable efficient cracking and rearrangement of hydrocarbon chains. The demand for zeolite-based catalysts is being driven by the need for higher product yields, improved selectivity, and enhanced catalyst stability.

Recent advancements in zeolite synthesis and modification have led to the development of tailor-made zeolite structures with optimized pore size, acidity, and framework composition. These innovations are enabling catalyst manufacturers to design zeolite-based catalysts that are specifically tailored to the requirements of different refining processes and feedstocks. The use of hierarchical zeolites, which combine micro- and mesoporous structures, is enhancing the diffusion of large hydrocarbon molecules and improving overall catalyst performance. The ability to engineer zeolite properties at the molecular level is opening up new opportunities for innovation in refining catalyst technology.

The environmental sustainability of zeolite-based catalysts is another key advantage driving their adoption in the refining industry. Zeolites are non-toxic, thermally stable, and can be regenerated and reused multiple times, reducing the environmental impact of catalyst disposal. The use of zeolite-based catalysts is also contributing to the production of cleaner fuels by facilitating the removal of impurities such as sulfur and nitrogen. As regulatory requirements for fuel quality become more stringent, the demand for advanced zeolite-based catalysts is expected to increase.

The competitive landscape in the zeolites segment is characterized by the presence of both global and regional players, with a strong focus on R&D and innovation. Catalyst manufacturers are investing in the development of proprietary zeolite formulations and synthesis techniques to gain a competitive edge. The ability to offer customized zeolite-based catalyst solutions that address specific refinery challenges is becoming a key differentiator in this dynamic market. As the demand for high-performance, environmentally sustainable catalysts continues to grow, the zeolites segment is expected to witness sustained innovation and expansion.

Petroleum Refining Application Analysis

Petroleum refining remains the dominant application segment for refining catalysts, accounting for the largest share of the global market. The refining process involves the conversion of crude oil into a wide range of valuable products, including gasoline, diesel, jet fuel, and petrochemical feedstocks. The use of refining catalysts is essential for optimizing product yields, improving fuel quality, and meeting stringent environmental regulations. The demand for refining catalysts in petroleum refining is being driven by the increasing complexity of crude oil feedstocks, the need for higher product yields, and the adoption of advanced refining technologies.

The modernization of refining infrastructure and the integration of advanced process technologies are creating new opportunities for catalyst manufacturers in the petroleum refining segment. Refineries are upgrading their catalyst systems to accommodate a wider range of feedstocks and optimize product yields. The adoption of digitalization and process automation is enabling more precise catalyst management, improving performance, and reducing operational costs. The ability to provide customized catalyst solutions that address specific refinery challenges is becoming a key requirement for success in this segment.

Environmental sustainability is a key consideration in the petroleum refining segment, with a growing emphasis on the production of cleaner fuels and the reduction of greenhouse gas emissions. Catalyst manufacturers are focusing on the development of eco-friendly refining catalysts that facilitate the removal of impurities and the production of ultra-low sulfur fuels. The integration of catalyst regeneration and recycling technologies is further enhancing the sustainability of refining operations, reducing waste generation, and minimizing the environmental impact of catalyst disposal.

The competitive dynamics in the petroleum refining application segment are shaped by the need for continuous innovation and close collaboration with refinery operators. Leading catalyst manufacturers are leveraging their technical expertise and process knowledge to develop customized refining catalyst solutions that address specific refinery requirements. The ability to offer comprehensive technical support, including catalyst selection, process optimization, and performance monitoring, is becoming a key differentiator in this highly competitive market. As the demand for cleaner fuels and higher-value products continues to grow, the petroleum refining segment is expected to witness sustained innovation and expansion.

Oil & Gas End-User Analysis

The oil and gas sector is the primary end-user of refining catalysts, accounting for the largest share of the global market. The sector encompasses upstream, midstream, and downstream operations, with refining catalysts playing a critical role in the downstream segment. The demand for refining catalysts in the oil and gas sector is being driven by the need to optimize refinery operations, maximize product yields, and comply with stringent environmental regulations. The increasing complexity of crude oil feedstocks and the adoption of advanced refining technologies are further fueling demand for high-performance catalysts.

The oil and gas sector is undergoing a transformation, with a growing emphasis on sustainability, energy efficiency, and the production of cleaner fuels. Refineries are investing in advanced catalyst systems that facilitate the removal of impurities, enhance product quality, and reduce operational costs. The integration of digitalization and process automation is enabling more precise catalyst management, improving performance, and reducing downtime. The ability to provide customized catalyst solutions that address specific refinery challenges is becoming a key requirement for success in this sector.

Environmental sustainability is a key consideration in the oil and gas sector, with a growing emphasis on reducing greenhouse gas emissions and minimizing the environmental impact of refining operations. Catalyst manufacturers are focusing on the development of eco-friendly refining catalysts that facilitate the production of ultra-low sulfur fuels and the removal of hazardous by-products. The integration of catalyst regeneration and recycling technologies is further enhancing the sustainability of refining operations, reducing waste generation, and minimizing the environmental impact of catalyst disposal.

The competitive dynamics in the oil and gas end-user segment are shaped by the need for continuous innovation and close collaboration with refinery operators. Leading catalyst manufacturers are leveraging their technical expertise and process knowledge to develop customized refining catalyst solutions that address specific refinery requirements. The ability to offer comprehensive technical support, including catalyst selection, process optimization, and performance monitoring, is becoming a key differentiator in this highly competitive market. As the demand for cleaner fuels and higher-value products continues to grow, the oil and gas sector is expected to witness sustained innovation and expansion.

Opportunities & Threats

The refining catalysts market presents a multitude of opportunities, particularly as the global energy landscape evolves towards sustainability and efficiency. The growing emphasis on producing cleaner fuels to meet stringent emission standards is creating significant demand for advanced catalyst technologies. Opportunities abound in the development of catalysts that not only enhance product yield and selectivity but also reduce the environmental impact of refining processes. The integration of digital technologies, such as artificial intelligence and machine learning, into catalyst management systems offers further potential for process optimization and cost reduction. Additionally, the expansion of the petrochemical sector and the trend towards integrated refinery-petrochemical complexes are driving demand for specialized catalysts that can cater to diverse product streams and complex feedstocks.

Another promising opportunity lies in the advancement of catalyst regeneration and recycling technologies. As sustainability becomes a central focus for the refining industry, the ability to regenerate spent catalysts and recover valuable metals is gaining importance. This not only reduces operational costs but also minimizes waste generation and environmental impact. The development of eco-friendly catalyst formulations and the adoption of green chemistry principles are expected to open new avenues for growth in the refining catalysts market. Furthermore, emerging markets in Asia Pacific, the Middle East, and Africa offer significant growth potential, driven by expanding refining capacities and increasing investments in modern refinery infrastructure.

Despite the numerous opportunities, the refining catalysts market faces several threats and restraining factors. One of the primary challenges is the volatility of crude oil prices, which can impact refinery margins and investment decisions. Fluctuations in raw material costs and supply chain disruptions can also affect the availability and pricing of catalyst ingredients. Additionally, the transition towards renewable energy sources and the decarbonization of the energy sector pose long-term challenges to the demand for traditional refining catalysts. Regulatory uncertainties and the increasing complexity of environmental standards can further complicate market dynamics, requiring catalyst manufacturers to continuously adapt and innovate to remain competitive.

Regional Outlook

Asia Pacific is the largest and fastest-growing region in the global refining catalysts market, accounting for approximately 42% of the total market share in 2024, which translates to around USD 2.18 billion. The region's dominance is driven by its massive refining capacity, rapid industrialization, and growing energy consumption, particularly in countries such as China, India, and Southeast Asian nations. The expansion of the petrochemical sector and the increasing adoption of advanced refining technologies are further fueling demand for high-performance catalysts in this region. The Asia Pacific market is expected to grow at a robust CAGR of 5.4% through 2033, outpacing other regions due to ongoing investments in refinery modernization and capacity expansion.

North America holds the second-largest share of the refining catalysts market, with a market size of approximately USD 1.26 billion in 2024. The region's growth is supported by ongoing refinery upgrades, stringent environmental regulations, and the integration of advanced process technologies. The United States, in particular, is a major contributor to market growth, owing to its large refining capacity and focus on producing cleaner fuels. The presence of leading catalyst manufacturers and a strong emphasis on innovation and sustainability are further enhancing the competitiveness of the North American market. The region is expected to maintain steady growth, driven by continued investments in refinery modernization and the adoption of eco-friendly catalyst solutions.

Europe accounts for around USD 0.83 billion of the global refining catalysts market in 2024, characterized by a mature refining sector and stringent environmental standards. The region's focus on reducing greenhouse gas emissions and producing ultra-low sulfur fuels is driving demand for advanced catalyst technologies. The Middle East & Africa and Latin America, with market sizes of USD 0.62 billion and USD 0.31 billion respectively, are emerging as significant players, leveraging their abundant crude oil resources and investments in modern refining infrastructure. While these regions currently represent smaller shares of the global market, they offer substantial growth potential, particularly as investments in refinery capacity and technology continue to increase.

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Competitor Outlook

The global refining catalysts market is characterized by intense competition, with a mix of multinational corporations and regional players vying for market share. The competitive landscape is shaped by the need for continuous innovation, technical expertise, and strong customer relationships. Leading companies are investing heavily in research and development to create advanced catalyst formulations that deliver superior performance, longer life, and enhanced environmental sustainability. Strategic partnerships with refinery operators and technology providers are becoming increasingly important, enabling companies to offer integrated solutions that address specific operational challenges and regulatory requirements. The ability to provide comprehensive technical support, including catalyst selection, process optimization, and performance monitoring, is a key differentiator in this dynamic market.

Innovation remains at the forefront of competitive strategy in the refining catalysts market. Companies are focusing on the development of proprietary catalyst technologies that offer higher activity, selectivity, and stability under a wide range of operating conditions. The integration of digital technologies, such as artificial intelligence and data analytics, into catalyst management systems is enabling more precise control over refining processes, optimizing performance, and reducing operational costs. The adoption of green chemistry principles and the development of eco-friendly catalyst formulations are further enhancing the competitiveness of leading market players, as sustainability becomes a central focus for the refining industry.

The market is also witnessing a trend towards consolidation, with mergers and acquisitions enabling companies to expand their product portfolios, enhance their technological capabilities, and strengthen their global presence. The entry of new players, particularly in emerging markets, is intensifying competition and driving innovation. Regional players are leveraging their understanding of local market dynamics and customer needs to offer customized catalyst solutions and gain a competitive edge. The ability to adapt to changing market conditions, regulatory requirements, and technological advancements is critical for success in the refining catalysts market.

Some of the major companies operating in the global refining catalysts market include W.R. Grace & Co., Albemarle Corporation, BASF SE, Haldor Topsoe A/S, Honeywell UOP, Axens S.A., Johnson Matthey, Clariant AG, Shell Catalysts & Technologies, and Sinopec Catalyst Co., Ltd. These companies are recognized for their extensive R&D capabilities, strong technical expertise, and global reach. W.R. Grace & Co. and Albemarle Corporation are leaders in FCC catalyst technology, offering a wide range of products for different refining applications. BASF SE and Haldor Topsoe A/S are known for their innovative hydrotreating and hydrocracking catalysts, while Honeywell UOP and Axens S.A. are at the forefront of process technology and catalyst development. Johnson Matthey and Clariant AG are renowned for their focus on sustainability and the development of eco-friendly catalyst formulations. Shell Catalysts & Technologies and Sinopec Catalyst Co., Ltd. are leveraging their integrated operations and technical expertise to offer comprehensive catalyst solutions to refineries worldwide.

These companies are continuously investing in the development of advanced catalyst technologies and expanding their global footprint through strategic partnerships, acquisitions, and collaborations. Their focus on innovation, sustainability, and customer-centric solutions is enabling them to maintain a competitive edge in the rapidly evolving refining catalysts market. As the demand for cleaner fuels, higher product yields, and environmentally sustainable refining processes continues to grow, the competitive landscape is expected to remain dynamic, with ongoing innovation and strategic initiatives shaping the future of the market.

Key Players

• W. R. Grace & Co.
• BASF SE
• Albemarle Corporation
• Clariant AG
• Honeywell UOP
• Johnson Matthey PLC
• Axens S.A.
• Haldor Topsoe A/S
• Shell Catalysts & Technologies
• JGC Catalysts and Chemicals Ltd.
• China Petroleum & Chemical Corporation (Sinopec)
• ExxonMobil Chemical Company
• Chevron Phillips Chemical Company
• Zeolyst International
• Nippon Ketjen Co., Ltd.
• Criterion Catalysts & Technologies L.P.
• Porocel Corporation
• Lummus Technology
• Advanced Refining Technologies LLC
• Qingdao Huicheng Environmental Technology Co., Ltd.

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