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| Recycling of precious metal catalysts |
Christian Hagelüken Michel Verhelst, Umicore Precious Metals Refining |
2004 / Catalysis |
A look at the best available technologies for efficient and environmentally sound recycling of complex spent catalysts used in both oil refining and petrochemical processes
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| Catalyst bed protection |
Damien R MacCord, RPA Process Technologies
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2004 / Catalysis |
Liquid filtration systems protect fixed-bed reactors from contamination, leading to extended catalyst life and longer run lengths. Major factors to consider when selecting a filtration system are discussed
More
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| Assessing catalyst quality |
Pierre Dufresne Fréderic Jardin François Locatelli, Eurecat SA
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2004 / Catalysis |
Increases in ultra-low sulphur fuel production will require new catalytic tests to assess the reusability of regenerated HDS catalysts. New surface area and activity correlations needed for these tests are discussed
More
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| Recycling of GTL catalysts |
Andreas H Brumby and Michel P Verhelst, Umicore Precious Metals Refining
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2005 / Catalysis |
Recovery and refining of cobalt and precious metals used in Fischer Tropsch catalysts should be considered due to their value. The impact of certain precious metals on the metals markets also justifies their recovery
More
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| Reformer catalyst Regeneration |
Dick Llorens, Gemini Industries Inc |
2005 / Catalysis |
To make a proper evaluation of the economics of spent catalyst regeneration, one must consider the direct and indirect costs, risks and long-term liabilities that occur when the catalytic reforming unit’s catalyst regeneration process is abbreviated
More
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| Mercury removal from liquid hydrocarbons |
Peter J H Carnell and Steve Willis, Johnson Matthey Catalysts |
2005 / Catalysis |
Various methodologies for the measurement of mercury levels in gaseous and liquid hydrocarbons are available, while inorganic routes for mercury removal have a number of advantages over the organic approach
More
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| Reducing catalyst development time. |
Al Kania, Siemens Applied Automation, Bartlesville, OK, USA |
2003 / Catalysis |
An on-line chemical analyser can provide fast chemical analysis of both anticipated and unknown compounds generated from new catalyst formulations.
More
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| Styrene catalyst performance monitoring |
Dennis Yieh, Sterling Chemicals Holding Inc
R Newman, CRI Catalyst Co |
2003 / Catalysis |
Real-time performance-monitoring software is readily adaptable to a variety of catalysts due to the speed at which the system permits plant operators to respond to changes in the process of market, allowing more profitable production decisions.
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| Reactor management services |
Francois Bollon, Petroval SA, France
Frederic Girardier, Eurecat SA, France |
2003 / Catalysis |
More engineers and operators in the petrochemical industry are seeking expertise in catalyst regeneration, presulphiding, turnaround management and other off-site services to help improve reactor and catalyst performance.
More
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| Recovering and refining precious metals from spent catalysts |
Kevin M Beirne, Sabin Metal Corp, East Hampton, NY, USA |
2003 / Catalysis |
In addition to obtaining the most effective expertise in precious metal recovery, serious consideration must be given to financial and legal issues that could arise when partnering with a precious metal refiner.
More
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| Processing complex spent metal-bearing catalysts |
Philippe Van Maele, Umicore Precious Metals Hoboken, Belgium |
2003 / Catalysis |
How one precious metals smelter copes with certain impurities or characteristics, which tend to hinder other, more dedicated catalysis recovery operations seen in industrial process.
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| Catalyst bed protection |
Wouter Bos, Dahlman Filter Technology
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2006 / Catalysis |
Feedstock filtration upstream of the hydrotreating and hydrocracking processes can effectively protect the catalyst beds from fouling, and consequently increase cycle length and prevent premature shutdowns.
More
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| Catalyst performance monitoring. |
Steve Philoon, UOP LLC
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2006 / Catalysis |
A web-based catalyst performance-monitoring tool can improve profitability. The CPM system enables the process engineer to spend his time optimising the catalyst performance in the unit rather than manipulating data.
More
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| Precious metals recovery |
Horst Meyer, Uli Blankenstein and J P Rosso, W C Hereaus GmbH
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2006 / Catalysis |
The recovery of platinum and other precious metals from spent reforming
catalysts is essential. Of special significance are fast cycle times
and high return rates from precious metals refiners.
More
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| Investigating hydrotreater performance |
Dave Ferguson and Mike Flenniken, Quest TruTec LP
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2006 / Catalysis |
A discussion of the techniques for on-line investigations of feed/effluent exchangers and operating reactors. On-line investigation of diesel hydrotreating units can identify the causes of poor performance in catalyst beds.
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| Achieving clean fuels objectives |
Jeffrey Sexton, Kenneth M Barnes and Ron L Cordle, Marathon Petroleum Company LLC Joe B McLean, C J Farley and James C Fu, Engelhard Corporation
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2006 / Catalysis |
Use of gasoline sulphur reduction catalyst technology in refinery applications is discussed. One refinery shows how high bottoms conversion, gasoline and light olefin yield objectives can be achieved while maintaining a profitability focus.
More
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| Avoiding FCC regenerator upsets |
David A Hunt and Adam Kasle, Grace Davison |
2006 / Catalysis |
A step-wise investigation into the causes of regenerator catalyst losses. Examination of all unit operating conditions indicates that lowering the regenerator bed level will eliminate catalyst upsets and increase unit charge rates.
More
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| Troubleshooting ZSM-5 in the FCC |
Solly Ismail, Engelhard Corporation
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2006 / Catalysis |
While using a ZSM-5 additive to increase propylene, one refiner experienced increases in FCC dry gas, coke and slurry oil, even at a reduced reactor temperature. Operational problems were identified and process strategies adjusted to increase LPG yields.
More
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| Improving FCC catalyst performance |
Michael K Maholland, Intercat Inc
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2006 / Catalysis |
Higher volumes of heavier feeds can be processed with additives designed to enhance base catalyst effectiveness. Deactivation and dehydrogenation problems are avoided, while catalyst selectivity and stability are preserved.
More
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| Improvement in FCC pretreatment catalysts |
Vito F Bavaro, Fernando Maldonado, David McNamara and Kevin Carlson, Criterion Catalysts & Technologies
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2006 / Catalysis |
A new NiMo catalyst designed for processing severe FCC feeds can surpass the performance achieved with previous-generation NiMo catalysts, increasing FCC unit conversion and improving the catalyst's lifecycle value.
More
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| Maximising octane |
Lars K Skyum, Haldor Topsoe A/S |
2006 / Catalysis |
A large number of existing diesel hydrotreaters are operated at pressures below 30 bar. The catalyst used for production of ULSD in these hydrotreaters differs from catalyst formulations that perform well at higher pressures.
More
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| Profitable resid processing |
Larry Hunt, Grace Davison
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2006 / Catalysis |
As more refiners process a higher percentage of residual feedstock, FCC catalyst technology can help refiners processing resids overcome any negative effects on unit operation and operate more profitably and efficiently.
More
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| Optimising multi-tubular reactors |
Cliff Johns, TubeMaster Inc
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2006 / Catalysis |
Performance of multi-tubular catalyst reactors in the petrochemical industry can be improved with a combination of strategies. Among the strategies to be discussed is catalyst-loading technology.
More
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| Fischer-Tropsch and GTL update |
Rene G Gonzalez
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2006 / Catalysis |
Slurry phase Fischer-Tropsch reactor configurations appear to be generally favoured by most technology developers. Recent cobalt-based catalyst developments are accelerating gas-to-liquids commercialisation.
More
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| Producing lubes and fuels |
Charlie Wills and Art Dahlberg, Chevron Lummus Global
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2006 / Catalysis |
Hydrocracking is beneficial when producing both feed for lube base stocks and fuels. The integration of Isocracking/Isodewaxing catalysts with process for the production of premium lubricant base oils by hydroprocessing is discussed.
More
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| Catalyst industry trends |
Rene G Gonzalez, Editor
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2007 / Catalysis |
Improved catalytic formulations can lead to increased profitability through higher product yields, longer operating cycles and better-quality products, as well as increased throughput, higher conversion levels and the ability to process higher endpoint feedstocks.
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| Meeting ULSD challenges |
Chris Egby, Criterion Catalysts & Technologies Robert Larsson, Preem Petroleum AB
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2007 / Catalysis |
Teamwork and leading-edge technology were combined to turn a problem into an opportunity at one Swedish refinery. Diesel specifications for domestic as well as export markets were met with flexible process strategies and effective catalysts.
More
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| FCC process fundamentals: coke basics |
Ziad Jawad, Shaw Stone & Webster
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2007 / Catalysis |
A study of FCC coke yields, sources, formation and delta coke fundamentals affecting catalyst and unit performance. A review for the experienced engineer and an introduction to the process for the new engineer.
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| Maximising high-quality diesel |
Ben A Christolini and Christopher J Anderle, UOP LLC Naji K Abou Chedid and Stuart G Simpson, UOP Ltd
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2007 / Catalysis |
Case studies of three projects to integrate hydrocracking technology into European refineries. The resulting integration provides a product slate well aligned with projected future demand. Economic projections make these projects highly attractive investments.
More
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| Towards sulphur-free fuel production |
Hideshi Iki, Nippon Oil Corporation
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2007 / Catalysis |
The production of sulphur-free fuel from catalytically cracked gasolines, by means of improved catalysts and the optimisation of reaction conditions, is now a possibility. The stability and activity of various HDS and HDC catalysts is compared.
More
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| Hydrogen production: run length enhancement |
Mukesh Mohan, S K Ghosh and C Manoharan, Indian Oil Corporation Limited. |
2007 / Catalysis |
Run length enhancement of the hydrogen-generation unit calls for an overall understanding of critical areas and issues, as well as the elimination of various constraints. The essence of avoiding outages lies in learning by experience.
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| Alternatives to improving FCC performance |
M I Levinbuk, Moscow Refinery and Gubkin Russian State Oil & Gas University E A Kozyukov, Russian Oil & Gas Company I Y Smorodinskaya and M Y Melnikov, Moscow State University V M Kapustin, Gubkin Russian State Oil & Gas University A A Lebedev and V I Zuber, Moscow Refinery
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2007 / Catalysis |
The usage of LAY zeolites in FCC catalyst preparation can provide a more flexible selection of speciality catalysts for FCCUs operating at different conditions as an alternative to modernising a FCCU reactor-regenerator section.
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| Increasing xylene production |
Alberto Carimati, Cassey Lim and Jenny Law Ping Fung, Singapore Pte Ltd
Gary Marr, UOP LLC
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2007 / Catalysis |
High-activity xylene isomerisation catalyst properties can lead to the efficient use of mixed xylene feedstock. One plant production PIA and meta-xylene increased its profitability by avoiding unwanted side reactions and reducing hydrogen consumption.
More
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| Fast-tracking catalyst development |
Derek Atkinson, Oxford Catalysts
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2008 / Catalysis |
High throughput experimentation is helping to reduce the time required to commercialise new catalysts. The need to test the impact of a range of variables on catalyst performance makes it vital to consider all pathways that can minimise development time.
More
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| Increasing catalytic reforming yields |
Mark P Lapinski, Joe Zmich and Steve Metro, UOP Nungruetai Chaiyasit and Kosol Worasinsiri, PPTAR
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2008 / Catalysis |
Case study where a CCR Platforming process unit increased profitability by changing to a high-density catalyst. Higher aromatic yields and the ability to load new catalyst without a unit shutdown helped to justify the costs.
More
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| Increasing refinery biofuels production |
Kerry L Rock and Maurice Korpelshoek, CDTech
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2008 / Catalysis |
The benefits of producing bio-ethers with catalytic distillation compared to blending bio-ethanol are addressed. Options such as the conversion of MTBE units to ETBE production, combined with skeletal isomerisation, can provide higher volumes of high-octane gasoline.
More
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| Combining ULSD objectives with FCC pretreatment |
Lars Skyum, Haldor Topsoe A/S
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2008 / Catalysis |
Catalysts for ULSD and FCC pretreatment combine higher activity, better stability and lower hydrogenation consumption. This combination of catalyst functionalities becomes important when considering either direct desulphurisation or hydrogenation.
More
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| Cracked feed protection for HDS catalysts |
Randy Alexander and Nilanjan Brahma, Eurecat US Pierre Dufresne, Eurecat SA
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2008 / Catalysis |
It is now possible to process cracked feeds through a hydrotreater immediately after start-up without the risk of premature coke and gum formation, and excess temperature limits and hydrogen consumption.
More
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| Maximising ULSD with cracked feedstocks |
Charles Olsen and Brian Watkins, Grace Davison Woodrow K Shiflett, Advanced Refining Technologies
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2008 / Catalysis |
Balancing hydrogen consumption can give flexibility when processing cracked feedstocks. Case studies show the performance of a catalyst system combining CoMo- and NiMo-based formulations based on available hydrogen pressures and amount of LCO/LCGO feedstocks.
More
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| Tar sands oil upgrading technology |
Donald B Ackelson, UOP LLC
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2008 / Catalysis |
Technology for processing heavy crudes and bitumen-derived materials such as synthetic crude oil are examined, along with the challenges they present to primary and secondary refinery conversion units.
More
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| Reducing FCC unit NOx emissions |
Charles Radcliffe, Intercat Inc
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2008 / Catalysis |
Mechanisms of FCC unit Nox formation and logical steps to minimise these emissions are discussed. Performance examples at each state of operation using additives are provided.
More
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| More steam cracker integration options |
Vasant Bhirud, Ethylene Consultants
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2008 / Catalysis |
Recently developed catalytic-based technologies can improve steam cracker operations and economics. The integration of steam cracker operations with refinery and propane dehydrogenation operations is considered.
More
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| Hycrocracking and hydrotreating developments |
Rene Gonzalez
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2009 / Catalysis |
Current emphasis on middle distillate production requires the expansion of hydroprocessing capabilities affecting reactor and catalyst design. Increased diesel yields depend on the ability to effectively upgrade cracked feedstocks and LCO, while eliminating fuel oil production.
More
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| Increasing olefins yield |
Jose Maria Aguilar and J M Leon Gil, CEPSA Gibraltar-San Roque refinery Fernando Sanchez Arandilla, Grace Davison
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2009 / Catalysis |
Plant data show how an FCCU's propylene yield is maximised while minimising its dry gas and slurry yield at a CEPSA refinery. An integrated catalyst system was used to process high nickel-containing feedstock to avoid fuel gas system limits.
More
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| Reducing NOx emission from FCC regenerators |
Ye-Mon Chen and David Brosten, Shell Global Solutions (US)
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2009 / Catalysis |
Cast study demonstrates the performance of new technology for reducing NOx emissions in regenerator flue gas. The new developments reduce NOx emissions whether the FCCU is operating in full- or partical-burn mode
More
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| Impact of low-sulphur bunkers on refineries |
Mike Stockle and Tina Knight, Foster Wheeler Energy Limited
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2009 / Catalysis |
Proposed IMO global sulphur specifications on bunker fuels market and options available to reduce fuel oil sulphur are reviewed. The impact of these options on refinery operations are examined with case studies of a typical European refinery.
More
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| Continued gains in FCC pretreating: part I |
Desiree J De Haan, Andy Shivaram and Kevin D Carlson, Criterion Catalysts & Technologies
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2009 / Catalysis |
Cast studies show where users are achieving significant gains in system capability, flexibility and economics. Also discussed are catalyst system loadings that reduce the need for low-activity demetallisation catalysts traditionally required to process heavier feeds.
More
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| Mercury removal in hydrocarbon streams |
Steve Catchpole, Johnson Matthey Catalysts
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2009 / Catalysis |
The presence of mercury in refinery hydrocarbon streams results in detrimental effects, including catalyst poisoning, corrosion and safety issues. Absorbent technology for effective mercury removal is described with case studies and actual operating experience.
More
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| Producing propylene glycol from biomass |
Tony Pavone, SRI Consulting
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2009 / Catalysis |
Process and catalytic considerations for producing propylene glycol from glycerin-derived biomass sources are compared to current conventional sources, while economic factors and potential markets are discussed.
More
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| Increasing ULSD production with current assets |
Bob Leliveld, Albemarle Catalyst Company BV Steven Mayo, Albemarle Corporation
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2009 / Catalysis |
An understanding of the detailed kinetics in ultra-low sulphur diesel hydrotreaters yields an optimal catalyst system for higher throughput, increased cycle length and lower reactor temperature.
More
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| Maximising fuels from the FCC unit |
Bruce Adkins and Ken Bruno, Albemarle Yen Yung, Albemarle Catalysts
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2010 / Catalysis |
Developments in catalyst pore structure engineering aim for higher yields of transportation fuels from FCC operation
More
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| Active site developments for improved productivity |
Kevin Carlson, Criterion Catalysts & Technologies
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2010 / Catalysis |
Developments including improved active site dispersion and assembly are designed for higher-value operation in a range of processing units
More
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| Ring-shaped catalysts make the grade |
Brian Moyse, Haldor Topsoe
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2010 / Catalysis |
Shape-optimised topping materials, together with ring-shaped hydroprocessing catalyst, provide a solution for units that are pressure drop limited.
More
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| Reducing sulphur oxide emissions from the FCC unit |
Colin Baillie, Renaud Kieffer and Maria Luisa Sargenti, Grace Davision Refining Technologies Europe
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2010 / Catalysis |
Application of a SOx-reduction additive enabled a refiner to meet a pressing requirement to reduce emissions from its FCCU
More
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| Maximising FCC distillate production |
Joe McLean, BASF Catalysts
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2010 / Catalysis |
A novel catalyst manufacturing process forms matrix material and zeolite in a single stop. Trials indicate high matrix stability and low sodium content.
More
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| Advances in methanol synthesis |
Terry Fitzpatrick and Tom Hicks, Johnson Matthey Catalysts
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2010 / Catalysis |
Catalysts with higher and more stable activity enable cost savings and boost output in methanol production
More
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| Catalytic steam generation |
Franck Letellier and Dave Wardle, Oxford Catalyst Group
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2010 / Catalysis |
Exploration of an unconventional fuel mixture has resulted in a novel catalyst-based technology
More
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| Dieselisation screening studies |
Kenneth Stippich, UOP, A Honeywell Company Eelko Brevoord, Albemarle
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2011 / Catalysis |
Catalyst and process studies address refiners' requirements to respond to a changing market for diesel and other fuels
More
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| Diesel hydrotreater revamp |
Torkil Hansen, Haldor Topsoe
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2011 / Catalysis |
Major improvements to throughput and product specification required a revamp of catalyst and internals in a diesel hydrotreater
More
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| Chloride removal in refineries |
Mani Erfan, Unicat Catalyst Technologies
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2011 / Catalysis |
A review of catalytic removal of chlorides from refinery streams and a critique of current analytical techniques for estimating chloride content
More
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| Beyond ULSD |
David Casey, Salvatore P Torrisi, Lawrence Kraus and John Smegal, Criterion Catalysts & Technologies Yvonne Lucas and Aris Macris, Shell Global Solutions
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2011 / Catalysis |
Developments in catalyst and internals technologies exploit the flexibility of the ULSD unit
More
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| Maximising premium distillate by catalytic dewaxing |
Tim Hilbert, Mohan Kalyanaraman, Bill Novak, Joseph Gatt, Beatrice Gooding and Stephen McCarthy, ExxonMobil Research and Engineering Company (EMRE)
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2011 / Catalysis |
Advances in technology for catalytic dewaxing of distillates by isomerisation provide improved activity
More
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| Low rare earth catalysts for FCC operations |
Yen Yung and Ken Bruno, Albemarle Corporation
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2012 / Q1 |
Features including high zeolite and matrix stability and high accessibility architecture characterise a family of low rare earth FCC catalysts
More
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| Catalyst additives reduce rare earth costs |
Ray Fletcher, Intercat
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2012 / Q1 |
Catalyst additive technologies help to control rare earth costs in fresh FCC catalyst additions and in SOx capture
More
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| Evaluation of a low rare earth resid FCC catalyst |
Sabeeth Srikantharajah and Colin Baillie, Grace Catalysts Technologies Bernhard Zahnbrecher and Wieland Wache, Bayernoil
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2012 / Catalysis |
A zero rare earth catalyst blended with a rare earth-based catalyst enabled a refinery to reduce its FCC catalyst rare earth requirement by 80%
More
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| Refinery fuel gas in steam reforming hydrogen plants |
Peter Broadhurst and Graham Hinton, Johnson Matthey Catalysts
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2012 / Catalysis |
Fuel gas is an attractive feedstock for hydrogen production, but appropriate catalysts and temperature control are needed to address high olefin levels.
More
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| Estimating silicon accumulation in coker naphtha hydrotreaters |
Thienan Tran, Patrick Gripka and Larry Kraus, Criterion Catalysts & Technologies
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2012 / Catalysis |
Improved sampling and analysis of silicon in the feed enable a significant gain in the cycle life of coker naphtha hydrotreater catalysts
More
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| FCC catalyst coolers in maximum propylene mode |
Rahul Pillai and Phillip Niccum, KBR
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2012 / Catalysis |
Catalyst cooling technology for continuous heat removal from the regenerator in maximum propylene operations can avoid damage to FCC catalyst and equipment
More
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| Decrease catalyst costs by reneneration, analysis and sorting |
Pierre Dufresne, Eurecat Francois Locatelli, Eurecat France
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2012 / Catalysis |
Use of regenerated catalyst can be maximised by careful sampling and analysis of spent catalyst to construct a reactor contamination profile
More
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| Optimisation of integrated aromatic complexes |
Axel Duker, Sud-Chemeie AG
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2012 / Catalysis |
A novel class of purification catalysts provides improved selectivity in aromatic complex service
More
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| Troubleshooting a FCC unit |
Chiranjeevi Thota, Shalini Gupta, Dattatraya Tammanna Gokak, Ravi Kumar Voolapalli, P V C Rao and Viswanathan Poyyamani Swaminathan, Bharat Petroleum Corporation
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2012 / Catalysis |
The source of a fouling problem in a FCC CO boiler was identified by systematic analysis of fresh catalysts, additives and equilibrium catalysts
More
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| Advances in FCC pretreament catalysis |
Bill Gillespie, Alexei Gabrielov, Thomas Weber and Larry Kraus, Criterion Catalysts & Technologies |
2013 / Catalysis |
Performance data for a new FCC pretreat catalyst show a substantial advance in HDS and HDN activity
More
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| New catalyst increases FCC distillate yield |
Carl Keeley, Jeremy Mayol, Stefano Riva and Vasileios Komvokis, BASF Corporation, Refining Catalysts
Stephen Challis, Chalcat Consulting |
2013 / Catalysis |
A FCC trial with a new residue maximum distillate catalyst provided an improved yield structure at a similar fresh catalyst addition rate and rare earth level
More
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| Best practices for SOx emissions control |
Ray Fletcher, Intercat |
2013 / Catalysis |
Applying the key elements of experience gained since the introduction of SOx reducing additives for FCC operations
More
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| Catalysts for hydrogen management |
Ross Brunson, Uwe Flessner and Paige Morse, Clariant |
2013 / Catalysis |
Use and optimisation of high-performance catalysts are an important tool to increase hydrogen supply in a refinery
More
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| Extending the lifecycle of hydroprocessing catalyst |
Roland Hoffman and Bob Leliveld |
2013 / Catalysis |
The economic downturn has put pressure on refiners to look for opportunities to reduce expenses and maintain margins, particularly with their catalysts
More
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| Predicting FCC unit performance with laboratory testing |
Kenneth Bryden, Grace Catalysts Technologies |
2013 / Catalysis |
Proper simulation of e-cat and reaction conditions is critical for modelling future FCC unit operations
More
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| Refining refiners' spent catalysts |
B J Stephan, Gulf Chemical and Metallurgical Corporation |
2013 / Catalysis |
Spent catalyst is the raw material for a recycling opreation that delivers fresh catalyst and specialist metals
More
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| HCN and NOx control strategies in the FCC |
Xunhua Mo, Bart De Graaf, Charles Radcliffe and Paul Diddams, Johnson Matthey, Process Technologies, Intercat Additives |
2014 / Catalysis |
Results of resesarch into emissions from the FCC, plus guidance on how to obtain the minimum level of NOx
More
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| Capturing maximum value with tight oil feeds in the FCC |
Alexis Shackleford, BASF Catalysts |
2014 / Catalysis |
FCCs processing tight oil feeds require catalyst choices to deal with higher conversion, heat balance concerns, and higher sodium, calcium and iron
More
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| Maximising distillate while minimising bottoms |
Allen Hansen, Adrian Humphries, Stephen McGovern and Barry Speronello, Rive Technology Inc |
2014 / Catalysis |
An FCC catalyst with reduced resistance to diffusion raises diesel output without the traditional bottoms penalty
More
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| Dewaxing challenging paraffinic feeds |
Renata Szynkarczuk, Criterion Catalysts & Technologies
Michelle Robinson and Laurent Huve, Shell Global Solutions International |
2014 / Catalysis |
Catalytic dewaxing using recent developments in dewaxing catalysts provides an alternative method for cold flow improvement in diesel and lube oil
More
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| Maximising distillate and alkylation feed from the FCC |
Alan Kramer, George Yaluris, Albemarle Corporation |
2014 / Catalysis |
The tight oil revolution has changed FCC priorities. Operators can maximise profitability by adopting new catalysts to target their yield profile
More
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| Optimising hydroprocessing catalyst systems |
Woody Shiflett, Charles Olsen, Dan Torchia, Advanced Refining Technologies
David Brossard, Chevron Lummus Global |
2014 / Catalysis |
Flexibility in catalyst technology and processing tactics optimises hydrocracker and ULSD operations to meet diesel and gasoil production targets
More
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| Hydrogen transfer and ZSM-5 in maximising propylene |
Bart De Graaf, Mehdi Allahverdi, Charles Radcliffe, Martin Evans and Paul Diddams, Johnson Matthey Process Technologies. |
2015 / Catalysis |
Used at high concentrations to maximise propylene from the fluid catalytic cracking unit, ZSM-5 strongly influences a complex matrix of reactions
More
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| ZSM-5 additive maximises propylene |
Carl Keeley, Vasileios Komvokis, Modesto Miranda, David Harris and Jason Smith, BASF |
2015 / Catalysis |
Multi-stage phophorus treatment improves ZSM-5 zeolite stabilisation and creates more propylene producing acid sites
More
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| Increased activity in FCC pretreat |
Charles Olsen and Brian Watkins, Advanced Refining Technologies |
2015 / Catalysis |
Advances in metal chelation techniques deliver higher performance catalysts for FCC pretreat
More
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| Recovering and refining precious metals |
Bradford Cook and Robert Jacobsen, Sabin Metal Corp |
2015 / Catalysis |
Some factors to consider when choosing a route for recovering precious metals from catalyst
More
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| Structured catalysts for steam reformers |
William Whittenberger, Johnson Matthey Process Technologies
Peter Farnell, Johnson Matthey Plc |
2015 / Catalysis |
A foil based catalyst aims to avoid the limitations of ceramic pellet substrates in steam reforming
More
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| Four-stage hydrocracking pretreatment |
Stefano Melis, Albemarle |
2015 / Catalysis |
A four-zone approach to hydrocracking pretreatment catalysis aims for greater flexibility in activity, stability, hydrogen consumption and pressure drop
More
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| Guarding against contaminants |
Michael Schmidt, Haldor Topsoe A/S
Henrik Rasmussen, Haldor Topsoe Inc |
2016 / Catalysis |
Analysing spent hydroprocessing catalyst underpins the development of guard bed catalysts to counter contaminants
More
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| Increasing FCC propylene yield |
Rudolf Latka, Vladimir Oleriny and Norbert Kovak, Slovnaft
Tom Ventham, Johnson Matthey Process Technologies |
2016 / Catalysis |
A test run with ZSM-5 additive demonstrated to a refinery that it could significantly raise production of propylene in the FCC
More
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| Kinetic engine drives catalyst development |
Andrea Battiston, Albemarle Corporation |
2016 / Catalysis |
Development of a NiMo catalyst for medium-to-high and high pressure middle distillates hydrotreating
More
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| Revamping for ULSD production |
Mike Rogers, Criterion Catalysts & Technologies
Kirit Sanghavi, Alon USA Refining |
2016 / Catalysis |
A sandwich catalyst system has given the additional activity needed to process difficult feed in a hydrotreater
More
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| Look beyond the catalyst |
Austin Schneider, Crystaphase |
2016 / Catalysis |
Purification and dispersion strategies applied to hydroprocessing catalyst can improve reactor performance
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| Calcium containing feedstock processing |
Chinthala Praveen Kumar, Sukumar Mandal, Gopal Ravichandran, Srikanta Dinda, Amit V Gohel, Ashwani Yadav and Asit Kumar Das, Reliance Industries Ltd |
2016 / Catalysis |
Development of a FCC catalyst/additive combination with high tolerance to calcium contamination from lower cost feedstock
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| Increased steam methane reformer throughput |
Marie Basin & Daniel Gary, Air Liquide
William Whittenberger & Jumal Shah, Johnson Matthey Process Technologies |
2017 / Catalysis |
Switching to a foil based catalyst technology raised throughput substantially for a hydrogen producer
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| Optimising middle distillate production in a hydrocracker |
Jens A Hansen & Asbjorn S Andersson, Haldor Topsoe |
2017 / Catalysis |
How to maximise middle distillate production and assure product quality from a range of hydrocracking catalysts and processing schemes
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| Lessons from FCC history |
Jacqueline Pope, Melissa Clough and Alexis Shackleford, BASF Catalysts |
2017 / Catalysis |
Detailed catalyst data collected over 15 years reveal shifts in FCC yields in response to changing market conditions, and provide a marker for future unit operations
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| Designing and engineering catalysts for hydrotreating |
Karl Krueger, Max Ovchinnikov and Thomas Weber, Criterion Catalysts & Technologies |
2017 / Catalysis |
Advanced analytical and experimental techniques combine in the development of a new hydrotreating catalyst
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| Catalysts for higher middle distillate yields |
Alex Yoon, Chevron Technology Marketing and Advanced Refining Technologies
Meredith Lansdown, Chevron
Brian Watkins, Advanced Refining Technologies |
2017 / Catalysis |
The appropriate hydroprocessing catalyst system can deliver higher yields of middle distillates at minimal cost
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| Catalyst filling in a fixed bed tubular reactor |
Subrata Das and Naresh Kumar Singh, Fluor Daniel |
2017 / Catalysis |
A reactor filling methodology ensures even reactant distribution and pressure drop
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