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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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