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About Axens

Axens is an international provider of process licensing technologies, catalysts, adsorbents and services, with a global reputation for basic engineering design excellence. The main scope of Axens' business is focused on the conversion of oil, coal, natural gas and biomass to clean fuels ...


ACTION® FCC catalysts

Raising the octane value of FCC gasoline with minimal loss of volume. Taking advantage of new zeolite technology. The chances are that raising the octane level of the gasoline produced in your FCC unit is high on your agenda. Octane has become a key issue for many refiners with the advent ...


ASCENT™ DC-2534: performance that delivers greater value for your investment

Refiners who are planning to replace their ULSD catalysts have important decisions to make. The factors they must consider include catalyst performance, hydrogen consumption and catalyst regeneration/reuse options, all of which will have a direct bearing on their costs and the economic ...


At Sabin Metal we’ve turned science into art

The art of recovering maximum value from your precious metal bearing materials. The science of recovering maximum value from your precious metal bearing materials begins with the most technically advanced analytical, research, and sampling equipment, systems, and procedures. The art of ...


Axens catalysts and adsorbents

Decades of scientific achievement in catalyst and adsorbent research, product development, engineering expertise, process licensing technologies, manufacturing capability, and industrial feedback form the basis of the most advanced and reliable catalysts and adsorbents available anywhere ...


Axens engineering services revamping

For a successful revamping project, no matter the degree of its complexity, and in accordance with your tight schedules, Axens is your unique contact during the phase preceding detailed engineering. Axens’ offer is based on our well founded expertise and several decades of experience. ...


Axens hydrocracking

Axens is an established name in hydrocracking licensing with more than 40 years’ experience in all types of hydrocracking processes. We have a large portfolio of hydroconversion processes, including fixed and ebullated-bed technologies. Our commercial units operate at low, medium ...


Axens overview

Axens is a leading global provider of technologies, catalysts, adsorbents, services and equipment. From oil refining, petrochemicals and gas processing, to renewable & alternative fuels and water treatment, Axens solutions are used at major industrial plants around the world. SOLUTIONS ...


Catalyst passivation services

Cat Tech International uses CATnapTM, an exclusive technique for quick and safe unloading of catalysts from petroleum processing units. The CATnap process allows the spent catalyst to be removed in an air atmosphere versus purging the reactor with nitrogen and performing inert entry. Shorter ...


Catalysts for improved lubricating oil

Catalyst performance is paramount in producing high-value lubricants. Refiners trust catalysts from Criterion Catalysts & Technologies (Criterion) to deliver high yields of top-quality base oils. Consequently, our products are to be found in lubricant plants across the world. Lubricant ...


CATnap delivers faster, safer catalyst changeout

Is a dust-fee catalyst changeout process that should save you over 24 hours in your initial reactor shutdown timeline. Its also a safer process (non-inert-entry) that reduces the hazards of handling, transporting and storing passivated catalyst. And CATnap renders the catalyst non-pyrophoric ...


CATnapTM catalyst passivation process - an alternative to inert entry

Cat Tech is pleased to present the CATnap® Catalyst Passivation Process - an exclusive, patented technique for unloading catalysts from petroleum processing units. CATnap technology passivates pyrophoric or self-heating catalysts by the application of a proprietary CATnap catalyst ...


Celebrating a century of innovation in the oil & gas industry

UOP celebrates its 100th year in business in 2014, and in many ways our history is analogous to the development of the world’s oil and gas industry. We have accomplished many great things during the last century. For that, we owe a tremendous debt of gratitude to our customers, who ...


Criterion Catalysts & Technologies focus on performance

Considerable resourcefulness is required to run a refinery profitably when faced with shifting product demand patterns, tighter specifications, rising energy costs, tougher environmental regulations and variable crude quality. At the same time, the world order is changing. The economic ...


Crystaphase, there is no magic behind reactor performance

It’s not magic. It’s science. Hydroprocessors know the wall that lies between them and peak reactor performance. Fouling, pressure drop, precipitation, agglomeration, polymerization, and catalyst deactivation, these obstacles build up, block by block. We help you break through ...


Customized grading solutions for your feedstock

Match your catalyst grading to your feedstock for minimum pressure drop build-up and maximum demetallization. As today’s opportunity crudes and heavier feedstocks become more economically viable, the oil fractions you refine are posing new challenges. Creating the optimal grading ...


Cycle life estimates for catalyst reload vary from 7 to 44 months

It is very difficult to accurately predict the cycle life for a hydroprocessing unit. This is especially true with today’s highly variable feed slates. Despite this fact, catalyst suppliers are always asked to estimate cycle life when bidding for a catalyst reload, and they comply ...


Diesel dewaxing catalysts

Maximising middle distillate yields while maintaining excellent cold flow properties. In recent years, diesel dewaxing has emerged as a powerful technique for meeting product specifications and creating additional margin. To avoid wax compounds crystallising out and causing engine ...


Dual-service hydrocracking

High-quality middle distillate products from partial conversion of heavy oil fractions and difficult feedstocks.Hydrocracking is an established and reliable method for transforming low-value heavy oil fractions into products with a higher value. Shell Global Solutions’ dual-service ...


Dupont company introduction

DuPont has been bringing world-class science and engineering to the global marketplace in the form of innovative products, materials, and services since 1802. The company believes that by collaborating with customers, governments, non-governmental organizations (NGOs), and thought leaders, ...


Experience the Sabin difference for PGM catalyst recovery and refining.

The “science” of recovering and refining precious metal catalysts is straightforward: state of the art technology. The “art” of this process, however, is what makes Sabin different from all others: that’s the knowledge, experience, and expertise gained from ...


Experience the Sabin difference for precious metal catalyst recovery and refining

We turn science into art for highest possible returns and added value. The “science” of recovering and refining precious metal catalysts is straightforward: state of the art technology. The “art” of this process, however, is what makes Sabin different from all others: ...


ExxonMobil catalysts and licensing

ExxonMobil licenses downstream and chemical manufacturing technologies and catalysts for processes that provide significant value to customers. A broad portfolio of technologies and catalysts is offered for the manufacture of fuels, lubricants, intermediates and polymers with solutions ...


ExxonMobil catalysts and licensing: a world of opportunity

ExxonMobil Catalysts and Licensing offers its customers of high-performing catalysts backed by a legacy of innovation and a commitment to maintaining strong customer relationships. ExxonMobil is constantly improving its catalysts as a leading operator of refining and petrochemical processes. ...


FCC pretreatment catalysts

High-performance catalyst systems tailored to meet refiners’ operating objectives. Refiners worldwide are reporting significantly enhanced refinery economics after working with Criterion Catalysts & Technologies to optimise the performance of their fluidised catalytic cracking ...


FCC technical support, industry-leading service

Grace technical service engineers regularly visit refineries to review unit operating data, evaluate catalyst management and unit performance, as well as provide specific recommendations to optimise unit operation. Grace can provide expert advice on operational problems concerned with ...


Grading & guard materials

Maximum catalyst protection and optimum pressure drop management. With the increased levels of heavy and non conventional crude oils in the refinery diets, state-of the art catalysts need state of the art Grading and Guard Materials to create the best working environment mitigating pressure ...


High aromatic/nitrogen feeds cause rapid initial deactivation in pilot plants

A feed sent to C Solutions in Thessaloniki, Greece caused catalyst to deactivate very rapidly when introduced on day one of a pilot plant run.  Analysis showed the feed to be full of high boiling aromatics and high in nitrogen. The pilot plant run was restarted with the usual ...


Hoekstra war stories

In the past two years, there have been many field failures in ultra-low sulfur diesel (ulsd) hydrotreaters. By field failures we mean short cycles of less than half the expected cycle life. The root cause of these failures was overestimating what a catalyst can do in a hydrogen starved ...


How to evaluate, select, and work with a precious metals refiner.

Precious metals are used in many processes and products for facilitating and/or speeding chemical reactions, pollution abatement, chemical/pharmaceutical production, electroplating, automotive catalytic reactors, jewelry, film, and hundreds more. Escalating values of most precious metals ...


Hydrogen-starved unit struggles to make ULSD

This is a 36 bar (525 psig) unit that was converted to ulsd service. The first two cycles used Albemarle KF-757 and lasted 6 months compared to one year expected cycle life. They switched to Topsoe catalyst for the next cycle and saw no improvement. Two suppliers recommended replacing ...


Hydrotreating

Advanced process and catalyst systems to help optimize unit performance and maximize cycle length Hydrotreating is an established refinery process for reducing sulphur, nitrogen and aromatics while enhancing cetane number, density and smoke point. Shell Global Solutions’ hydrotreating ...


Improved hydrocracking

leading-edge Catalysts coupled with outstanding Technical service. Criterion Catalysts & Technologies (Criterion) offers a broad range of zeolite catalysts to satisfy a variety of refinery hydrocracking objectives. We also provide the feed pretreatment catalysts that are vital to preserving ...


IsoTherming® hydroprocessing technology

DuPont Sustainable Solutions offers IsoTherming® hydroprocessing technology, a commercially proven breakthrough process which provides refiners a significantly more economical means to produce today’s ultra low sulfur transportation fuels. DuPont acquired the technology in August ...


Low and zero rare-earth FCC catalysts

Rare-earth metals are an important component of FCC catalysts, as well as being a key raw material for many strategic industries with applications ranging from military devices to electronic components. In addition, they are essential constituents in newly evolving green technologies, ...


Lubes technologies: MSDW℠, MAXSAT™ & MWI℠ technologies and services

ExxonMobil’s MSDW℠, MAXSAT℠ and MWI℠ technologies are the most widely used technologies for producing high quality, high performance lubes base stocks. These technologies incorporate proprietary ExxonMobil catalysts and deliver outstanding activity, yield, selectivity, run ...


Making your plant work smarter

Cat Tech is at the forefront of new technologies. After years of research we are now unloading and loading catalysts from petroleum processing units faster, safer and more economically than ever before. And we continue to create specialised equipment and processes to help you stay on schedule ...


MIDW™ technology and services

ExxonMobil’s MIDW™ process provides the highest yields of low cloud point diesel. The process uses a proprietary catalyst that converts waxy paraffins to higher performance molecules, as compared with older technologies that relied on cracking. This results in a much higher ...


Olgone℠ technology and services

A high-performance, highly-stable catalyst is at the heart of the Olgone℠ process. This technology is designed to extend cycles of existing aromatic stream treaters, thus reducing the amount of solid waste that is generated. The outstanding performance of the Olgone process can lead ...


Precious metal catalyst recovery from chemical processes

We turn science into art for highest possible returns and added value. The “science” of recovering and refining precious metal catalysts is straightforward: state of the art technology. The “art” of this process, however, is what makes Sabin different from all others: ...