Zeolite Market

How big is the Zeolite Market in 2026?

The global zeolite market is estimated at USD 16.9 billion in 2026, compared with USD 15.8 billion in 2025, and is forecast to reach USD 34.3 billion by 2036, expanding at a CAGR of 7.3% from 2026 to 2036. In FMI's 2026 assessment, Natural zeolite holds 55.3% by type, the catalyst segment holds 38.7% by function, and Chemical holds 30.2% by application.

Demand for zeolite-based refinery catalysts is supported by refiners seeking higher product yields and improved processing efficiency. However, commercial supply depends on catalyst manufacturing capabilities and refinery-specific performance requirements rather than natural mineral availability alone. According to the US Geological Survey's 2026 Mineral Commodity Summaries, global natural zeolite production reached approximately 1.3 million metric tons in 2025, compared with 1.2 million metric tons in 2024. Slovakia contributed 280,000 metric tons while Georgia produced 240,000 metric tons. The USGS also reported that American natural zeolite sales reached 77,000 metric tons in 2025, with animal feed and odour control accounting for 42.0% and 15.0% of sales volume respectively. These figures highlight the distinction between natural mineral consumption and the specialised materials required by refinery operators.

Manufacturers are investing in catalyst development and testing capabilities to strengthen their position in higher-value applications. In May 2026, BASF opened a new refinery catalyst research and development centre at its Attapulgus facility in Georgia. The centre is located alongside the company's largest refinery catalyst production site and focuses on advanced fluid catalytic cracking technologies. The investment brings product development closer to manufacturing and refinery-specific testing, helping BASF address customer requirements for catalyst performance and commercial-scale production.

Key Market Trends & Insights

• Tosoh supplies high-silica zeolites as powders and shaped products, with different production sites for the forms. The shape purchased determines how much further processing the customer must arrange. [6]
• Arkema describes pilot testing at its French research centre under customer process conditions. This gives adsorbent suppliers a way to qualify a grade for the actual gas or liquid stream before a larger order. [5]
• Johnson Matthey offers copper- or iron-zeolite SCR formulations alongside a vanadium-titania route. Zeolite suppliers compete within an emissions-control design rather than winning automatically when an after-treatment system is specified. [10]

Regional Highlights

• East Asia has both mineral supply and specialty manufacturing. USGS reports Chinese natural-zeolite output separately from synthetic products, while Tosoh lists Japanese powder and pellet production. Regional tonnage and specialty value therefore require different supply assessments. [1][6]
• Western Europe combines catalyst development and process testing. Evonik's 2026 isodewaxing launch and Arkema's French pilot facilities illustrate a route to higher-value grades through application work, rather than through bulk mineral extraction. [4][5]

Table 1: Zeolite Market Size and Forecast (USD billion and CAGR percentage), 2025 to 2036

Market size and forecast	Value
Market size in 2025	USD 15.8 billion
Estimated market size in 2026	USD 16.9 billion
Projected market size by 2036	USD 34.3 billion
CAGR from 2026 to 2036	7.3%
Added revenue from 2026 to 2036	USD 17.4 billion

Source: Future Market Insights, Zeolite Market Report, 2026 to 2036.

Analyst Perspective

“Natural mine output and synthetic catalyst sales should be kept apart. A bulk treatment buyer can compare local mineral quality and freight, while a refiner has to qualify a zeolite for its own feed and process conditions.”

- Nikhil Kaitwade, Principal Consultant, FMI

How is the Zeolite Market segmented?

• By Type: Natural zeolite and Synthetic zeolite.
• By Function: Catalyst segment, Adsorbents and separators, and Ion exchange.
• By Application: Chemical, Petrochemical, Agriculture and Water treatment.
• By Region: North America, Latin America, Western Europe, Eastern Europe, East Asia, South Asia and Pacific, and Middle East and Africa.

Why does natural zeolite lead by type?

Natural zeolite holds 55.3% of 2026 market value by type in FMI's assessment. Its commercial position comes from applications in which a processed mineral can meet the requirement without a purpose-synthesized structure. USGS lists animal feed, litter, horticulture and wastewater treatment among the main natural-zeolite uses. [2] FMI finds that a deposit with suitable mineral content can serve these customers through crushing, sizing and other preparation appropriate to the grade. The delivered price and consistent mineral composition matter more to such an order than a catalyst supplier's proprietary process offer.

Freight limits the reach of a low-value bulk grade. A supplier can have a substantial deposit and still lose a distant contract to a nearer source or a substitute. USGS identifies competing litter minerals and alternative water-purification materials. [1] FMI therefore expects natural suppliers to defend their position through a suitable local grade, reliable preparation and access to the buyer's distribution route. The type lead does not mean that natural material can replace a synthetic catalyst or molecular sieve in a qualified process.

Table 2: Zeolite Market Leading Type Share, 2026

Leading Share	2026 market share
Natural zeolite	55.3%
All Other Segments Combined Share	44.7%

Source: Future Market Insights, Zeolite Market Report, 2026 to 2036.

Why does the catalyst segment lead by function?

The catalyst segment accounts for 38.7% of 2026 zeolite market value by function in FMI's assessment. The buyer pays for how the formulated material changes its process, which gives the supplier a value measure beyond mineral weight. Evonik's April 2026 isodewaxing launch uses mesoporized zeolite to improve access to active sites and reduce unwanted cracking. [4] FMI finds that a refinery considering such a grade will compare saleable product yield and operating conditions with the cost of the catalyst charge.

The same mechanism makes qualification important. A new pore structure or formulation has to fit the feed, reactor and product target. A performance claim from one test does not establish the result in every plant. FMI expects the catalyst segment's lead to favour suppliers able to translate their technical offer into a customer-specific trial and a repeatable manufacturing specification. Adsorbents, separators and ion-exchange grades remain distinct functions because their sales depend on removal or separation capacity rather than on the same reaction result.

Table 3: Zeolite Market Leading Function Share, 2026

Leading Share	2026 market share
Catalyst segment	38.7%
All Other Segments Combined Share	61.3%

Source: Future Market Insights, Zeolite Market Report, 2026 to 2036.

Why does Chemical lead by application?

Chemical holds 30.2% of 2026 zeolite market value by application in FMI's assessment.

It covers chemical manufacture and formulation, while Petrochemical remains a separate application in the report taxonomy. A chemical producer can buy zeolite to control moisture, perform a separation or provide a specified catalytic function. Arkema describes molecular sieves used to remove residual moisture from polyurethane raw materials and to dry process streams. [5] FMI finds that the sale is tied to an avoided production defect or a downstream operating requirement, which can make repeatability more important than the lowest material price.

This application lead is different from the lead by function. A Chemical customer can buy an adsorbent or ion-exchange grade, and a catalyst can be sold into a Petrochemical process. The two classifications should therefore be used to answer different commercial questions. For the supplier, the chemical application offers repeat orders when a grade becomes part of a stable formulation or process. It also requires control of the supplied form and moisture exposure so that a material approved in the laboratory performs consistently at production scale.

Table 4: Zeolite Market Leading Application Share, 2026

Leading Share	2026 market share
Chemical	30.2%
All Other Segments Combined Share	69.8%

Source: Future Market Insights, Zeolite Market Report, 2026 to 2036.

What are the key drivers restraints and opportunities?

Process performance supports specialty demand, while substitutes and the cost of delivered mineral constrain bulk sales. Additional business depends on demonstrating a useful result within the customer's own operation.

Driver

Catalyst replacement and process improvement create demand even without a new mine or refinery. Dalian Institute of Chemical Physics documents coke-related deactivation in methanol-to-olefins catalysts and research on regeneration. [11] FMI finds that active service conditions create a continuing need to manage catalyst performance. Suppliers can therefore sell a grade or technical service into an existing process, while the customer's operating objective decides whether a change is worthwhile.

Restraint

Zeolite competes with other materials in several bulk and adsorption duties. USGS lists activated carbon, diatomite and silica sand among alternatives in water purification. [1] A supplier cannot assume that a larger treatment requirement translates into the same increase in zeolite sales. The buyer will compare the whole treatment route, including media replacement, handling and disposal, and may select a different material if it meets the required result at lower cost.

Opportunity

Suppliers can win additional business by adapting a qualified grade to a new process stream. The independent opening is the customer's need to retain product yield or separation performance when feed composition changes. Technip Energies' January 2026 completion announcement describes Zeolyst's work in hydrocracking, sustainable fuels and advanced recycling. [3] FMI sees these as distinct application-development routes. A supplier still has to show that its grade works with the customer's feed rather than relying on the general growth of renewable-fuel or recycling investment.

How do quality specifications affect zeolite purchasing?

A buyer needs to identify the structure and composition before comparing trade names. The International Zeolite Association's Structure Commission maintains an approved framework database with structural data and diffraction information. [12] It provides a technical reference, rather than blanket approval of a commercial product. FMI finds that the purchasing specification should connect the required framework with the supplied chemistry, form and acceptance test. This is particularly useful where a customer is considering a second source and wants to know which properties are actually interchangeable.

What limits reliable zeolite operation and delivery?

An adsorbent can take up moisture before it reaches the customer's process. Tosoh's handling guidance calls for protection from rain and humidity, prompt handling and resealing after opening. [6] FMI finds that packaging and storage are part of the usable product. A nominally correct grade can require additional preparation if exposure changes its starting condition. Delivery planning should therefore cover the sealed package, on-site storage and the conditions of charging the material, rather than stopping at the factory dispatch date.

Where can zeolite suppliers win additional business?

Process testing offers a route to business where a customer cannot select a grade from a catalogue alone. Arkema describes pilot facilities that reproduce customer temperature, pressure and other conditions. [5] FMI finds that a supplier can use such work to narrow the grade choice before a full-scale change. The commercial opening is a lower risk of buying unsuitable material and an agreed basis for evaluating performance. It does not require the supplier to claim that one zeolite is best for all gas, water or chemical streams.

Zeolite Market by Country (2026 to 2036)

Table 5: Zeolite Market Country Growth Forecast, 2026 to 2036

Country	CAGR
China	9.9%
India	9.1%
Germany	8.4%
Brazil	7.7%
USA	6.9%
UK	6.2%
Japan	5.5%

Source: Future Market Insights, Zeolite Market Report, 2026 to 2036.

What supports zeolite demand in China?

Coke-related deactivation gives China's methanol-to-olefins catalyst suppliers a recurring performance task inside an operating process. Dalian Institute of Chemical Physics documents research on deposits that deactivate the zeolite catalyst and on regeneration intended to recover useful activity. [11] Replacement and operating performance can therefore support demand without additional natural-zeolite extraction. The commercial question is whether the supplier can maintain the required result as the material works through its service cycle.

Domestic mineral output describes a different part of that supply chain. USGS estimates Chinese natural-zeolite production at 150,000 tonnes in 2025. [1] The mine series does not measure the qualified synthetic catalyst available to a chemical producer, which still has to establish the relevant structure, formulation and batch consistency. FMI's forecast of a 9.9% CAGR from 2026 to 2036 covers zeolite market value across these uses. Its commercial basis includes the value of accepted process performance, rather than an assumption that natural tonnage and catalyst revenue grow together.

A supplier pursuing a chemical-process customer needs a demonstrable result, such as maintaining conversion or controlling an unwanted product. Published research helps explain the material's behaviour, but it does not establish a commercial order. The result has to survive reproducible manufacture and plant-specific approval before it can support repeat supply. This leaves room for application engineering as well as material production. China's growth opportunity is strongest where a supplier can connect those activities to an industrial buyer's operating requirement, while keeping the mineral and synthetic-product channels distinct.

What supports zeolite demand in India?

India's operating refineries give zeolite sellers an identifiable process-customer base. In May 2026, the Ministry of Petroleum and Natural Gas reported installed refining capacity of 258.1 million tonnes per year across 22 operational refineries. [7] Those plants create recurring evaluation of catalyst grades and process performance. The capacity figure describes refining infrastructure; it neither measures zeolite consumption directly nor implies that every refinery uses the same quantity. A prospective supplier still needs to identify the unit, feed and accepted formulation behind an order.

For an FCC or other catalytic duty, the operator's product target determines the technical work needed before a new grade can be accepted. Water-treatment and agricultural buyers may instead purchase a processed natural material through a separate channel. Combining those orders into an undifferentiated tonne price would conceal the testing and service involved in refinery supply. This diversity underlies FMI's 9.1% CAGR outlook from 2026 to 2036: growth can come from better-qualified grades and repeat industrial supply as well as from the amount of material sold.

Local delivery and application support can strengthen a producer's bid, provided it can manufacture consistently. An imported grade can retain its position when switching requires substantial customer testing. The useful entry route is therefore a defined process or treatment duty and a result demonstrated at that site. India's refining system offers customers for that work, while other zeolite applications retain their own purchasing criteria. The forecast concerns the value of the zeolite market, rather than refinery throughput, and suppliers need to connect their offer to the particular buyer before treating installed capacity as addressable business.

What supports zeolite demand in Germany?

A German catalyst developer can win value by improving the product recovered from a customer's process. Evonik, headquartered in Essen, launched isodewaxing catalysts in April 2026 using Zeopore's mesoporized zeolite technology. [4] The offer competes on access to active sites and useful process yield. For the buyer, the relevant comparison is a formulated performance result, with the cost of qualification and a catalyst change included in the purchasing decision.

That result must transfer to the customer's feed and operating window. Trials and grade qualification determine whether the launch becomes an accepted formulation; the announcement alone does not convert existing catalyst demand. Technical support can influence that decision, and a smaller quantity of specialised material can carry more value than a larger bulk order. FMI's forecast of an 8.4% CAGR from 2026 to 2036 reflects the opportunity associated with this development and application base, while remaining a forecast of the national zeolite market rather than of a single launch.

German engineering can support products sold abroad, so global company activity cannot measure domestic consumption. Local buyers of molecular sieves and treatment grades also use acceptance tests distinct from those of a refinery catalyst customer. A supplier needs to establish the intended function, supply the accepted form and preserve its condition through delivery. A repeatable result and a supported route to adoption can sustain material value even when the customer leaves the size of its plant unchanged. The commercial strength of the German market therefore rests on the ability to turn specialist development into qualified, consistent supply.

What supports zeolite demand in Brazil?

A maintenance window can decide when a Brazilian refinery accepts a catalyst change. Petrobras's 2026 to 2030 business-plan presentation schedules 2026 maintenance at REGAP and REPAR covering FCC-related units alongside other refinery work. [8] That programme gives suppliers a calendar for technical preparation and delivery. It establishes planned activity, without disclosing a zeolite order or a particular catalyst charge. Timing is central to the opportunity behind FMI's 7.7% CAGR forecast from 2026 to 2036.

A qualified grade cannot be replaced by a bulk mineral at short notice. An operator considering a change needs time to review the feed, operating objective and supply conditions before the relevant maintenance work proceeds. An incumbent familiar with the installation may answer those questions more quickly. A new entrant needs an accepted test basis and a delivery arrangement that fits the service window. General claims about refining growth provide little help if the material has not completed that process when the customer is ready to buy.

The Brazilian outlook also includes zeolite applications outside process catalysts. Natural grades for treatment or agriculture follow a separate distribution channel, where delivered cost and the local specification can dominate. A refinery programme does not quantify those uses. Suppliers allocating stock and technical staff therefore need to distinguish scheduled industrial work from regional bulk demand. The strongest local proposition identifies the operating duty, completes qualification and reaches the customer at the agreed time. That creates a route to repeat business while preserving the difference between planned maintenance and an already-awarded material contract.

What supports zeolite demand in the USA?

US natural-zeolite extraction and specialty catalyst supply lead buyers into separate qualification and distribution channels. USGS estimates natural-zeolite mine output of 80,000 tonnes in 2025 and cautions that these statistics do not fully measure all commercial zeolite products. [1] A domestic mineral source can supply an accepted bulk grade, but that resource does not establish an equivalent position in synthetic catalysts. The buyer's required composition and function determine which suppliers belong in the comparison.

For specialty products, the manufacturing relationship and application knowledge carry more weight. Technip Energies' acquisition completion announcement describes Zeolyst materials for hydrocracking, sustainable fuels and advanced recycling, with AM&C manufacturing and commercial teams in the US and Europe. [3] Those relationships can support repeat orders as customers change their feed or operating targets. FMI's US outlook of 6.9% CAGR from 2026 to 2036 encompasses value across grades. The forecast does not require domestic extraction to increase at the same pace, nor can specialty sales be added to mine output as if they were the same measure.

A bulk supplier must control freight and deliver a consistent processed mineral. A catalyst supplier has to maintain the accepted formulation and demonstrate the benefit of a proposed improvement. Both buyers compare the whole supply and qualification cost, although the work behind that cost differs. Keeping those purchasing routes separate makes the national outlook more useful to prospective suppliers. It connects the opportunity to an actual grade and customer relationship, rather than drawing an unsupported revenue conclusion from natural tonnage or a company-wide catalyst portfolio.

What supports zeolite demand in the UK?

For a UK emissions-control customer, a zeolite grade has to work inside an accepted after-treatment design. Johnson Matthey offers copper- and iron-zeolite SCR compositions developed for individual customer applications. [10] This provides a route to material value through a qualified formulation. The existence of that offer does not, by itself, measure the amount sold to UK installations; acceptance depends on how the grade performs in the customer's complete system.

Temperature is one part of that test. The buyer also has to consider catalyst poisons and the configuration of the after-treatment equipment. Supplier support and a stable manufacturing specification consequently affect the purchase alongside material price. Competing formulations remain relevant because Johnson Matthey lists vanadium-titania systems as well as zeolite technology. The required application decides between them. Bulk mineral availability offers little advantage where the customer first needs evidence that a commercial grade will fit its design and operating conditions.

The UK opportunity therefore depends on access to equipment and process customers, followed by a manufacturing and delivery route that can turn a successful trial into recurring supply. FMI projects a 6.2% CAGR from 2026 to 2036 across this market, including technically specified environmental and industrial uses. Qualified applications and service relationships give that forecast a commercial basis. They also set a limit on the inference: company-wide catalyst sales or a broad environmental-spending outlook cannot establish the national zeolite requirement. A supplier has to identify the particular removal or conversion result for which the buyer will accept and reorder its material.

What supports zeolite demand in Japan?

The form in which a Japanese customer buys zeolite determines how much processing remains after delivery. Tosoh lists high-silica powder production at Nanyo and Yokkaichi and at its Malaysian affiliate, with pellet production at Tosoh Zeolum in Toyama. [6] A buyer can therefore enter the supply chain at different stages of preparation. Powder intended for further formulation and a shaped product intended for equipment carry different processing and acceptance requirements, even when both use a specialty zeolite structure.

That manufacturing choice shapes the local commercial offer. A catalyst producer needs a powder compatible with its own formulation, whereas an adsorbent user needs a shaped material suited to the selected vessel. Structure, composition and form must be matched to the duty. Storage and handling also matter because unwanted moisture can alter the condition received by the customer. The sale includes both an accepted specification and instructions that help preserve the product through delivery and charging, rather than ending when material leaves the plant.

Japan's established specialty base can support repeat supply to customers maintaining an approved grade. Further growth requires another application or an improvement worth qualifying. FMI's 5.5% CAGR forecast from 2026 to 2036 is lower than the other profiled rates, but it does not imply a small opportunity. Tosoh's overseas sales network also separates Japanese manufacturing activity from domestic consumption. For a supplier evaluating the market, the useful questions are which buyer accepts which form and performance, and how consistently that material can be delivered over the operating life of the process.

Who are the notable companies in the Zeolite Market?

Zeolyst International, Evonik, Arkema and Tosoh show four relevant positions in the supply chain. Zeolyst supplies custom zeolite-based materials and catalysts through a joint venture now held by Technip Energies and Shell Catalysts & Technologies. [3][13] Evonik's offer combines catalyst formulation with Zeopore's mesoporized zeolite technology. [4] Arkema supplies molecular sieves and application support, while Tosoh lists high-silica powder and shaped products. [5][6] FMI finds that these companies compete at different stages between material preparation and the customer's process.

The catalyst route requires a formulation that delivers an accepted process result. The adsorbent route can require a different choice of pore structure, supplied form and regeneration conditions. A supplier with a broad catalogue still needs to identify which grade meets the particular stream. Technical support can therefore affect the buyer's risk of a plant change as well as the price of the material.

Company ownership also matters to an accurate reading of the market. Ecovyst's former interest in Zeolyst transferred with the AM&C sale effective 31 December 2025. [13] FMI treats Ecovyst as the former owner in this report, while the current Zeolyst position is described under its continuing business identity. This avoids presenting a historical portfolio as a current supplier relationship. None of the company examples establishes a disclosed share of total global zeolite revenue.

Key Developments in the Zeolite Market

• On 27 April 2026, Evonik launched isodewaxing catalysts incorporating Zeopore's mesoporized zeolite technology for fuels and lubricants production. The company links the offer to improved access to active sites and reduced unwanted cracking. [4]

Key Players in the Zeolite Market

• Zeolyst International
• Evonik
• Arkema
• Tosoh
• Johnson Matthey

Zeolite Market Report Scope

Table 6: Zeolite Market Report Scope, 2026 to 2036

Coverage field	Report scope
Market definition	Commercial natural and synthetic zeolite sold for catalytic, adsorption, separation and ion-exchange duties.
Boundaries	Separates natural mine output from synthetic product value and excludes non-zeolitic substitutes from the zeolite measure.
Quantitative units	Market value in USD billion; market shares and compound annual growth in percentages.
Forecast period	2026 to 2036, with 2025 as the preceding reference year.
Types covered	Natural zeolite and Synthetic zeolite.
Functions covered	Catalyst segment, Adsorbents and separators, and Ion exchange.
Applications covered	Chemical, Petrochemical, Agriculture and Water treatment; Chemical and Petrochemical are separate classifications.
Country profiles	China, India, Germany, Brazil, USA, UK and Japan with their growth forecasts.
Geographic coverage	Seven global regions with nested country and subregional coverage; the seven detailed profiles do not define the boundary of global market value.
Commercial coverage	Bulk-grade distribution, specialty manufacture, process qualification, handling conditions and documented supplier roles.

Source: Future Market Insights, Zeolite Market Report, 2026 to 2036.

Zeolite Market Research Methodology

The 2026 to 2036 assessment treats natural and synthetic zeolite as distinct supply channels and compares demand by type, function and application. Secondary review covers USGS mineral statistics, company product information, acquisition records, government refining information and published process research. Natural-zeolite tonnage is kept separate from synthetic-product value. Company activity is checked for ownership and announced-versus-completed status. No interviews, field sampling or plant performance tests were conducted for this assessment.

Zeolite Market by Segments

Zeolite Market segmented by Type:

• Natural zeolite
• Synthetic zeolite

Zeolite Market segmented by Function:

• Catalyst segment
• Adsorbents and separators
• Ion exchange

Zeolite Market segmented by Application:

• Chemical
• Petrochemical
• Agriculture
• Water treatment

Zeolite Market by Region

• North America
  • United States
  • Canada
• Latin America
  • Brazil
  • Mexico
  • Argentina
  • Chile
• Western Europe
  • Germany
  • France
  • United Kingdom
  • Italy
  • Spain
  • Benelux
  • Nordics
• Eastern Europe
  • Poland
  • Czech Republic
  • Romania
  • Hungary
• East Asia
  • China
  • Japan
  • South Korea
  • Taiwan
• South Asia and Pacific
  • India
  • Singapore
  • Other ASEAN countries
  • Australia and New Zealand
• Middle East and Africa
  • GCC Countries
  • South Africa
  • Türkiye
  • Israel

Research Sources and Bibliography

• [1] US Geological Survey. Mineral Commodity Summaries 2026: Zeolites (Natural). February 2026.
• [2] US Geological Survey. Zeolites Statistics and Information. Accessed 31 October 2026.
• [3] Technip Energies. Technip Energies completes acquisition of Ecovyst's Advanced Materials & Catalysts business. 2 January 2026.
• [4] Evonik. Evonik launches high-performance isodewaxing catalysts for fuels and lubricants production. 27 April 2026.
• [5] Arkema. Molecular sieves, Germany product and application page. Accessed 31 October 2026.
• [6] Tosoh. Synthetic Zeolite, High-Silica Zeolite HSZ, product, production and handling information. Accessed 31 October 2026.
• [7] Ministry of Petroleum and Natural Gas, Government of India. India's refining surplus capacity ensures full domestic supply of Petrol and Diesel. Press Information Bureau, 27 May 2026.
• [8] Petrobras. Business Plan 2026 to 2030 presentation, Resilient Refining and Scheduled Maintenance Stoppages 2026. 27 November 2025.
• [9] Clariant. HYSOPAR 5000 product information. Edition dated 6 February 2026.
• [10] Johnson Matthey. Selective catalytic reduction (SCR), mobile emissions-control product information. Accessed 31 October 2026.
• [11] Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Researchers Regenerate Deactivated Catalyst in Methanol-to-olefins Process. 4 January 2021.
• [12] International Zeolite Association Structure Commission. Database of Zeolite Structures. Accessed 31 October 2026.
• [13] Ecovyst. Form 10-K for the fiscal year ended 31 December 2025, discontinued operations and Zeolyst ownership disclosures. 2026.