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FCC refinery solutions for the European market |
L A Lacijan, M W Schnaith, P J Van Opdorp, S G Simpson, J G Woodwock, UOP
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2002 / Q2 |
The authors look at the options available to refiners for meeting the latest legislative constraints, the trend towards greater diesel fuel demand and changes in refined product ratios and values.
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Inventing the future in RFCC catalysts |
S J Yanik (Singapore), A Humphries and R Pinto (USA), R Fletcher (Netherlands), Akzo Nobel Catalysts
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2002 / Q2 |
Individual innovations to improve RFCC catalysts, the authors believe, must be an open process and combined to produce continuous development: a wall of secrecy around new developments only serves to constrain future advancement.
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Clean Fuels: online analysers and laboratory methods |
Robert J Schaefer and Kathryn Brtko, BP Chuck Lieder, Equilon
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2002 / Q2 |
Analytical laboratories in the USA, charged with testing refineries' produced fuels, are having to cope with current and future government specifications that will demand far more complex analaytical methodology.
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Controlling fluegas emissions |
Nicholas Confuorto and Edwin H Weaver, Belco Technologies Corporation
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2002 / Q2 |
This article reviews the latest developments in a wet scrubbing system that is used to reduce particulate SO2 and SO3 within one simple process. It can be applied as a particulate-only device and later be converted to particulate and SOx.
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Meeting the demands of low sulphur gasoline |
E S Ellis, J P Greeley, E M Roundtree, T J Davis, T R Halbert, G F Stunz, G B Brignac, ExxonMobil Research and Engineering Company
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2002 / Q2 |
The refining industry has not been slow in developing and making use of new processes and catalysts designed to reduce sulphur levels in gasoline, and so meet burgeoning clean air regulations. This article reviews one such technology.
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A flexible approach to refinery olefin alkylation |
Andrew R Tyas and Tony Parker, Stratco Ltd
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2002 / Q2 |
Safety issues concerning HF alkylation units, combined with incentives to process a wider range of olefin feedstock has resulted in options for converting these units to sulphuric acid technology.
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Getting total performance with hydrotreating |
Didier Duee, Dominique Admaski, Michel Dorbon, Axens Magalie Roy-Auberger and Clementina Lopez-Garcia, IFP
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2002 / Q2 |
If the most refractory compounds are to be treated successfully, say the authors, new hydrogenation mechanisms must be considered. Refiners need to prepare for probable - as well as certain - legislation in the middle distillate fuel market.
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Rigorous hydrotreater simulation |
Michael C Hu, KBC Advanced Technologies Zbigniew Ring, Jenny Briker, Mure Te, National Centre for Upgrading Technology
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2002 / Q2 |
The authors describe an integratd approach to dealing with the complexities of producing ultra low sulphur diesel, involving analytical support and process research as well as computer simulation.
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Advances in residue upgrading technology |
G Phillips, Foster Wheeler Energy Ltd
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2002 / Q2 |
A combination of mature technology and innovative catalyst design and process improvements provide the flexibility to upgrade heavier feeds, while the search continues to make mature residue upgrading technologies truly cost effective.
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Reduction of refinery stack emissions |
John Ellis, BP Oil
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2002 / Q2 |
The latest generation of low NOx burners has been tested in a full-scale fired process heater application and the results have demonstrated the cost effectiveness of combustion source control.
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Understanding centrifugal compressor performance |
Scott W Golden, Scott A Fulton, Daryl W Hanson, Process Consulting Services Inc
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2002 / Q2 |
In a connected process system, expensive changes to the compressor and driver can be avoided with system debottlenecking modifications. The authors give examples of cost effective ways of increasing compressor suction pressure.
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Using gamma scans to plan maintenance of columns |
Lowell Pless and Bjorn Asseln, Tru-Tec Services Inc
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2002 / Q2 |
An outline of the way in which gamma scanning of columns and vessels can be used to evaluate, perform troubleshooting and prepare for a planned shutdown of trayed and packed column and other equipment while the unit is operating.
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Improved operating margins with ethylene recovery |
T R Tomlinson, Costain Oil, Gas & Process Ltd
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2002 / Q2 |
An overview of ethylene recovery and processing, outlining low temperature/cryogenic processes for recovery of ethylene from refinery offgases and from polyethylene plants offgas streams, and the purification of recovered ethylene.
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Implenting non-linear model predictive control |
Tim Wilmarth, Chevron Phillips Chemical Co Rik Wuyts, John Crosby, Randy Wagler, Honeywell Hi-Spec Solutions Jeff Renfro, John Goodman, Dot Products
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2002 / Q2 |
An account of the thinking that went into a project for optimising the controls on a polyethylene production line and the benefits that resulted, including higher plant capacity, reduced transition times and improved product quality control.
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Column design using mass transfer rate simulation |
Ralph H Weiland and John C Dingman, Optimized Gas Treating Inc
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2002 / Q2 |
This article looks at examples of commercial columns used in CO2 removal and selective H2S treating, comparing performance test data to demonstrate benefits of modelling actual column internals using mass transfer rate process simulation.
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