Search by topic : Catalysis
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Recycling of GTL catalysts Andreas H Brumby and Michel P Verhelst, Umicore Precious Metals Refining

 

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



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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



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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


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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

 

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

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Assessing catalyst quality

Pierre Dufresne Fréderic Jardin François Locatelli, Eurecat SA

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


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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.
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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.
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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.
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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

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.

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Catalyst performance monitoring.

Steve Philoon, UOP LLC

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.

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Precious metals recovery

Horst Meyer, Uli Blankenstein and J P Rosso, W C Hereaus GmbH

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.
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Investigating hydrotreater performance Dave Ferguson and Mike Flenniken, Quest TruTec LP
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

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.

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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.

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Troubleshooting ZSM-5 in the FCC

Solly Ismail, Engelhard Corporation

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.

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Improving FCC catalyst performance

Michael K Maholland, Intercat Inc

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.

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Improvement in FCC pretreatment catalysts

Vito F Bavaro, Fernando Maldonado, David McNamara and Kevin Carlson, Criterion Catalysts & Technologies

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.

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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.

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Profitable resid processing

Larry Hunt, Grace Davison

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.

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Optimising multi-tubular reactors

Cliff Johns, TubeMaster Inc

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.

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Fischer-Tropsch and GTL update

Rene G Gonzalez

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.

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Producing lubes and fuels Charlie Wills and Art Dahlberg, Chevron Lummus Global


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.

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Catalyst industry trends

Rene G Gonzalez, Editor

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

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.

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FCC process fundamentals: coke basics

 Ziad Jawad, Shaw Stone & Webster

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

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.

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Towards sulphur-free fuel production

Hideshi Iki, Nippon Oil Corporation

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.
       

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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

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

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.

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Fast-tracking catalyst development

 Derek Atkinson, Oxford Catalysts

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.

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Increasing catalytic reforming yields

Mark P Lapinski, Joe Zmich and Steve Metro, UOP Nungruetai Chaiyasit and Kosol Worasinsiri, PPTAR

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.

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Increasing refinery biofuels production

Kerry L Rock and Maurice Korpelshoek, CDTech

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.

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Combining ULSD objectives with FCC pretreatment

Lars Skyum, Haldor Topsoe A/S

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.

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Cracked feed protection for HDS catalysts

Randy Alexander and Nilanjan Brahma, Eurecat US

Pierre Dufresne, Eurecat SA

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.

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Maximising ULSD with cracked feedstocks

Charles Olsen and Brian Watkins, Grace Davison

Woodrow K Shiflett, Advanced Refining Technologies

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.    

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Tar sands oil upgrading technology

 Donald B Ackelson, UOP LLC

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.

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Reducing FCC unit NOx emissions

Charles Radcliffe, Intercat Inc

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.    

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More steam cracker integration options

Vasant Bhirud, Ethylene Consultants

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.

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Hycrocracking and hydrotreating developments

 Rene Gonzalez

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. 

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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

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.

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Reducing NOx emission from FCC regenerators

Ye-Mon Chen and David Brosten, Shell Global Solutions (US)

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   

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Impact of low-sulphur bunkers on refineries

Mike Stockle and Tina Knight, Foster Wheeler Energy Limited

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.

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Continued gains in FCC pretreating: part I

Desiree J De Haan, Andy Shivaram and Kevin D Carlson, Criterion Catalysts & Technologies

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.

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Mercury removal in hydrocarbon streams

Steve Catchpole, Johnson Matthey Catalysts

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.

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Producing propylene glycol from biomass

Tony Pavone, SRI Consulting

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.

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Increasing ULSD production with current assets

Bob Leliveld, Albemarle Catalyst Company BV

Steven Mayo, Albemarle Corporation


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.

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Maximising fuels from the FCC unit

Bruce Adkins and Ken Bruno, Albemarle

Yen Yung, Albemarle Catalysts

2010 / Catalysis

Developments in catalyst pore structure engineering aim for higher yields of transportation fuels from FCC operation

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Active site developments for improved productivity

Kevin Carlson, Criterion Catalysts & Technologies

2010 / Catalysis

Developments including improved active site dispersion and assembly are designed for higher-value operation in a range of processing units

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Ring-shaped catalysts make the grade

 Brian Moyse, Haldor Topsoe

2010 / Catalysis

Shape-optimised topping materials, together with ring-shaped hydroprocessing catalyst, provide a solution for units that are pressure drop limited.

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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

2010 / Catalysis

Application of a SOx-reduction additive enabled a refiner to meet a pressing requirement to reduce emissions from its FCCU

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Maximising FCC distillate production

 Joe McLean, BASF Catalysts

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.

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Advances in methanol synthesis

Terry Fitzpatrick and Tom Hicks, Johnson Matthey Catalysts

2010 / Catalysis

Catalysts with higher and more stable activity enable cost savings and boost output in methanol production

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Catalytic steam generation

 Franck Letellier and Dave Wardle, Oxford Catalyst Group

2010 / Catalysis

Exploration of an unconventional fuel mixture has resulted in a novel catalyst-based technology

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Dieselisation screening studies

 Kenneth Stippich, UOP, A Honeywell Company

Eelko Brevoord, Albemarle

2011 / Catalysis

Catalyst and process studies address refiners' requirements to respond to a changing market for diesel and other fuels

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Diesel hydrotreater revamp

Torkil Hansen, Haldor Topsoe

2011 / Catalysis

Major improvements to throughput and product specification required a revamp of catalyst and internals in a diesel hydrotreater

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Chloride removal in refineries

Mani Erfan, Unicat Catalyst Technologies

2011 / Catalysis

A review of catalytic removal of chlorides from refinery streams and a critique of current analytical techniques for estimating chloride content

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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

2011 / Catalysis

Developments in catalyst and internals technologies exploit the flexibility of the ULSD unit

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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)

2011 / Catalysis

Advances in technology for catalytic dewaxing of distillates by isomerisation provide improved activity

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Low rare earth catalysts for FCC operations

Yen Yung and Ken Bruno, Albemarle Corporation

2012 / Q1

Features including high zeolite and matrix stability and high accessibility architecture characterise a family of low rare earth FCC catalysts

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Catalyst additives reduce rare earth costs

Ray Fletcher, Intercat

2012 / Q1

Catalyst additive technologies help to control rare earth costs in fresh FCC catalyst additions and in SOx capture

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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

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%

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Refinery fuel gas in steam reforming hydrogen plants

Peter Broadhurst and Graham Hinton, Johnson Matthey Catalysts

2012 / Catalysis

Fuel gas is an attractive feedstock for hydrogen production, but appropriate catalysts and temperature control are needed to address high olefin levels.

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Estimating silicon accumulation in coker naphtha hydrotreaters

Thienan Tran, Patrick Gripka and Larry Kraus, Criterion Catalysts & Technologies

2012 / Catalysis

Improved sampling and analysis of silicon in the feed enable a significant gain in the cycle life of coker naphtha hydrotreater catalysts

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FCC catalyst coolers in maximum propylene mode

 Rahul Pillai and Phillip Niccum, KBR

2012 / Catalysis

Catalyst cooling technology for continuous heat removal from the regenerator in maximum propylene operations can avoid damage to FCC catalyst and equipment

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Decrease catalyst costs by reneneration, analysis and sorting

Pierre Dufresne, Eurecat

Francois Locatelli, Eurecat France

2012 / Catalysis

Use of regenerated catalyst can be maximised by careful sampling and analysis of spent catalyst to construct a reactor contamination profile

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Optimisation of integrated aromatic complexes

Axel Duker, Sud-Chemeie AG

2012 / Catalysis

A novel class of purification catalysts provides improved selectivity in aromatic complex service

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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

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

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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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