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  • About Axens

    Axens is a group providing a complete range of solutions for the conversion of oil and biomass to cleaner fuels, the production and purification of major petrochemical intermediates as well as all of natural gas' treatment and conversion options. The offer includes technologies, equipment, furnaces, modular units, catalysts, adsorbents and related services. Axens is ideally positioned to cover the entire value chain, from feasibility study to unit start-up and follow-up throughout ...

  • 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 recovering maximum value is a different story; that’s based on seven decades of experience and success serving thousands of organizations around the world. At Sabin Metal we combine science ...

  • 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 to serve the refining, petrochemical, chemicals, gas, alternative fuels and water industries.   Our products, which constitute the most complete portfolio on the market, are grouped according ...

  • 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. Our team of equipment specialists and our extensive network of detailed engineering contractors and equipment manufacturers complete this offer.   Our approach consists of successive ...

  • 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 and high conversion, and in once through, single-stage recycle and two-stage modes. Our commercial hydrocracker designs can cover a large variety of feedstocks varying from light HGO and LVGO ...

  • Axens overview

    Axens is a group providing a complete range of solutions for the conversion of oil and biomass to cleaner fuels, the production and purification of major petrochemical intermediates as well as all of natural gas' treatment and conversion options. The offer includes technologies, equipment, furnaces, modular units, catalysts, adsorbents and related services. Axens is ideally positioned to cover the entire value chain, from feasibility study to unit start-up and follow-up ...

  • Cat Tech Amonia Market

    For over 40 years Cat Tech has led the way in catalyst handling through innovation and experience. Our Trained professionals are focused on safety and excellence delivering the best results for your project. Cat Tech has more experience with all licensors, units and processes in the ammonia industry than any other contractor and can deliver success on any unit or process, including refits, revamps, partial unloads, cartridge replacements and inspection or repairs under inert conditions. > ...

  • Cat Tech Catalyst Passivation

    For over 40 years Cat Tech has led the way in catalyst handling through innovation and experience. Our Trained professionals are focused on safety and excellence delivering the best results for your project. Cat Tech’s proprietary Catalyst Passivation Process gives you safer, faster and cleaner change outs on your treating, cracking and resid units. > Eliminates all inert entry > Shortens reactor shutdown by days > Eliminates hot H2 Strip > Eliminates LEL > ...

  • Cat Tech Dense Loading

    For over 40 years Cat Tech has led the way in catalyst handling through innovation and experience. Our Trained professionals are focused on safety and excellence delivering the best results for your project. With ever increasing performance standards the precise and controlled dense loading of catalyst is a critical component of effective unit performance. Cat Tech’s proprietary JE Dense Loading system is designed to deliver greater control and lower attrition during the ...

  • Cat Tech Tubular Reactors

    For over 40 years Cat Tech has led the way in catalyst handling through innovation and experience. Our Trained professionals are focused on safety and excellence delivering the best results for your project. Cat Tech has always been a technology pioneer in the tubular market. > Air lances and specialized nozzles > CATcap insert loading > Inline dedusting system > Dehumidification and climate control > Timer controlled grit blasting > Automated DP Capture ...

  • Cat Tech work in Refineries and Chemical Plants Worldwide

    For over 40 years Cat Tech has led the way in catalyst handling through innovation and experience. Our Trained professionals are focused on safety and excellence delivering the best results for your project. Our Industry leading CE approved Sentry 4 Life support system by Breathesafe International Ltd. provides the safest platform for all Confined Space Entry and our trained technicians follow tried and tested Standard Operating Procedures. Let us put our experience to work ...

  • 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 Unit Shutdown Time Because the CATnap process allows for the reactor to be cooled down in a liquid state, the need for hot hydrogen stripping can be eliminated in most cases. This ...

  • CATcade Reformer Tube Loading

    For over 40 years Cat Tech has led the way in catalyst handling through innovation and experience. Cat Tech’s patent CATcade reformer tube loading system is simple, efficient and delivers high quality results in all conditions. CATcade’s patented designs reduces human error and material fatigue making it the best choice for better, faster loading and DP results. > Approved by all major catalyst manufacturers > Maintenance free-reduced delays and manpower > ...

  • 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 to prevent self-heating, so your reactor is back up and producing much sooner improving the unit’s time value. CATcade simplifies and improves reformer tube loading CATcade loading ...

  • 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 coating chemical. The catalysts’ surfaces (and equipment surfaces are coated with an organic film which retards oxygen penetration and reaction. The passivated catalyst can be unloaded under ...

  • 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 helped us develop and commercialize our technologies. When our company was founded, there were fewer than 2 billion people in the world, and travel was dominated by horses and steam engines. ...

  • 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 that wall, clearing your path to performance. With highly specialized expertise and unique, industry-proven solutions, Crystaphase has helped refiners all over the world achieve unprecedented ...

  • 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 solution for your individual feedstock is essential to minimize pressure drop build-up, increase metals pick-up, and reduce downtime and catalyst replacement. An overlooked advantage The importance ...

  • Cutting-edge catalysts for cumene production

    ExxonMobil’s zeolite catalysts are the heart of the Cumene process. Originally developed by Mobil Oil, the MCM-22 family of zeolite catalysts revolutionized the production of cumene. With their high activity and selectivity to cumene, ExxonMobil catalysts enable a simple, liquid phase process that replaced the older aluminum chloride and solid phosphoric acid technologies – all while setting the standard for cumene product purity. With TechnipFMC Process Techno ...

  • Cutting-edge catalysts for ethylbenzene production

    ExxonMobil’s zeolite catalysts are the heart of the Badger EBMax℠ process. Originally developed by Mobil Oil, the MCM-22 family of zeolite catalysts revolutionized the production of ethylbenzene (EB). With their high activity and selectivity to EB, ExxonMobil catalysts enable a simple, liquid phase process that dramatically lowers operating temperatures and thereby reduces equipment sizes and energy consumption – all while still improving the ethylbenzene product ...

  • 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 with the request even when it is nearly impossible to make a decent estimate with the available data.   In one recent case, four catalyst suppliers were asked to make reload proposals, ...

  • 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 seven decades of successfully serving thousands of organizations around the world. We’d be pleased to count you among them.

  • 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: that’s the knowledge, experience, and expertise gained from seven decades of successfully serving thousands of organizations around the world. We’d be pleased to count you among ...

  • Faster lead time for emergency catalyst delivery

    An incident caused irreversible poisoning of a catalyst bed in a hydroprocessing unit. The incentive for immediate catalyst replacement was $400,000 per month, and the quoted lead time was unacceptably long.  The refiner used our network to identify two feasible alternatives for faster delivery.  The outcome was 2 months faster lead time and $800,000 margin saved. Improved refinery lab accuracy:  Refinery lab analyses of FCC gasoline and reformate were incorrectly ...

  • 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 the mechanical integrity of the FCCU. For example, issues such as cyclone performance, stripper efficiencies, circulation problems, transfer line problems, slurry circuit fouling, or high unit erosion ...

  • Gasoline desulfurization for Tier 3 Compliance

    Starting in January 2020, gasoline sold in the United States must contain no more than 10 ppm sulfur. This short, easy-to-read book gives a high-level overview of the regulatory, technical, economic, and strategic implications of this "Tier 3" requirement.  Readers will get a quick, thorough understanding of the Tier 3 issue which, according to the author, will have much more impact on the gasoline market than has been anticipated. You can buy the book HERE

  • 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 drop and eliminating contaminants. Cycle length of a Hydroprocessing unit is typically controlled either by the catalyst activity (maximum allowable working temperature) or by the reactor ...

  • Haldor Topsoe refinery walk-through

    Exploring the hidden potential of your refinery. Refinery processes are complex and filled with potential sources of inefficiency. A Topsoe Refinery Walk-Through will identify the hidden opportunities and help you improve the refinery profitability, flexibility, safety, and reliability. Within the past few years, Topsoe has successfully carried out Refinery Walk-Throughs covering hydroprocessing, hydrogen- and sulfur management applications. The goal is to identify potential ...

  • 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 3-day break-in on straight run feed, and the catalyst lined out with the usual moderate initial deactivation, leading to a successful 40 - day test on the difficult feed.    This problem ...

  • 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 unit. For example, one unit experienced a cycle life of just 1 year versus an estimated 3 year life on a very expensive catalyst. After two more short cycles of less than one year on other ...

  • 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 have forced users to view their precious metals purchasing and recovery management programs with a keen focus on costs at all levels. Selecting and working with an established, reliable — ...

  • 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 the reactor internals; but Johnson Matthey did a convincing analysis showing the unit was constrained by hydrogen supply, not flow distribution, and new internals would not fix the root ...

  • InFocus™ Unit Monitoring Tool facilitates collaboration with ExxonMobil experts

    Challenge: Effective communication and collaboration between companies. Communication between a cumene customer and ExxonMobil Technical Support was challenging due to language and location barriers. Feed treaters which should be regenerated at least once a week were only regenerated once every couple of months. This reduction in regeneration frequency led to faster deactivation of the alkylation catalyst with a potential 20% reduction in cycle length. Solution: InFocus™ ...

  • INTERCAT FCC additives and catalyst handling technologies

    Most refiners now find it essential to use catalytic additives to supplement the host FCC catalyst in order to achieve the desired unit performance, product quality, and environmental emissions targets that must be met. Johnson Matthey is the foremost supplier of FCC additives and addition systems, specializing in the development, manufacture, sale, and technical support of both additives and addition systems for the refining industry. Our INTERCATTM range of FCC additives and ...

  • 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 2007. In conventional hydroprocessing technology, the reactions occur in the liquid phase. A large volume of hydrogen rich recycle gas is combined with the reactor feed to ensure that the ...

  • 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, such as hybrid cars and wind turbines. Rather ironically, rare-earth metals are not so rare, however they tend to be concentrated in hard to extract ore deposits. As a result, the world’s ...

  • 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 and increase productivity.

  • Maximize PX production while lowering feed and energy costs

    The EMTAM℠ process is a breakthrough technology which maximizes production of valuable paraxylene product while lowering feed and energy costs. The highly paraxylene selective process is built off of commercially proven technologies. Unlike other toluene conversion processes, there is no benzene co-product and no hydrogen co-feed. It is the only process that can tune the methyl to ring ratio based on market conditions and allows unlimited benzene co-feeding to produce paraxylene. The ...

  • Maximize PX production/reduce losses/debottleneck your facility

    The XyMax℠-2 Process is the latest generation of vapor phase isomerization technology and is available for license by ExxonMobil directly, as well as by Axens, as part of the ParamaXSM technology suite for grassroots aromatics complexes. Lower operating costs, ultra-low xylenes losses, extremely long cycles XyMax-2 process is the seventh generation of vapor -phase isomerization technology licensed by ExxonMobil. The process features a higher activity catalyst, higher weight ...

  • Maximize Xylene Loop profitability

    The LPI process is the latest generation of liquid phase isomerization technology and is available for license by ExxonMobil directly, as well as by Axens as part of the ParamaX® technology suite for grassroots aromatics complexes. Significant energy savings, ultra-low xylenes losses, inexpensive debottlenecking The LPI process is the latest addition to ExxonMobil’s portfolio of xylenes isomerization processes available for license. The technology operates at low ...

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