Browse Editions : 2003 / Q1
Title Author Edition
Comparing the roles of cat coolers with riser quench

Alan Goelzer, Jacobs Refinery Specialists

2003 / Q1

A review of the issues to consider when disposing of the heat of combustion from riser coke formation in high severity vacuum gasoil FCC and RFCC units, with operating conditions becoming increasingly demanding.
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Role of advances in FCC catalyst technology.

J B McLean, D M Stockwell, W A Weber, W S Sinkler, M R Greczek, T E Masak, Engelhard Corporation

2003 / Q1

Sulphur-reducing chemistry that preserves gasoline yield and minimises octane loss while avoiding cut point penalties can help meet clean fuel specifications where post treatment and additive systems may not be adequate.
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The oxidative route to ULS production

Robert E Levy, UniPure Corporation

2003 / Q1

Refinery and terminal applications using modular designs where extraction of oxidised sulphur and nitrogen species is carried out without the processing severity and level of investment required with conventional hydrotreating.
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Production of ULS fuels from heavy feedstocks.

Romolo Montanari, Sergio Rose, Mario Marchionna, Snamprogetti SpA
Nicoletta Panariti and Alberto Delbianco, EniTecnologie SpA

2003 / Q1

Upgrading of extra heavy residues and oil sands bitumen has been demonstrated with a proprietary two-stage process incorporating slurry hydrotreatment, using a molybdenum-based catalyst followed by solvent deasphalting.
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Boosting diesel production with varying feedstocks

Christer Moren and Michael Heisel, Linde Gas & Engineering
Alexander Reichhold, Vienna University
Andrea Krause, Holborn Europe Refinery
A J Berlanga-Gonzalez, Malaga University

2003 / Q1

Evaluation of technology, chemistry and economy for increasing middle distillate output and producing less residue, using oxygen enrichment in fluid catalytic crackers with constrained capacity.
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Mitigating corrosion from naphthenic acid streams.

David Johnson and Gregg R McAteer, Ondeo Nalco Energy Services
Heinz Zuk, Norsk Hydro AS

2003 / Q1

The authors describe how crude and side-cut analysis, laboratory and field data lead to strategies for managing high severity operating conditions needed for pocessing opportunity crudes.
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Oxygen contamination of hydrocarbon feedstocks

M Vadekar, Chem Tech Consulting

2003 / Q1

An examination of the detrimental effects caused by dissolved O2 and practical solutions to control fouling, corrosion and expensive unplanned shutdowns when processing feedstocks vulnerable to air or oxygen ingress.
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Catalyst formulations and FCC unit performance

Ganesh Gandham and Alok Srivastava, Hindustan Petroleum Corporation Ltd

2003 / Q1

The authors describe how careful selection of catalyst and additives holds the key to achieving the objectives for improving naphtha RON and throughput.  Each refiner has to develop his own system for choosing the appropriate catalyst.
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Process simulation through the internet.

Manel Serra. Daniel Pinol, Sergi Sama, Hyprotech Europe

2003 / Q1

A review of the available network technologies to bring Cape-Open standards to the process environment with a discussion of the COGents European project and its targets for software discovery and collaboration through the web.
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Maintaining the optimum advanced process control

Kees den Bakker, Chris Seppala, Rob Snoeren, Shell Global Solutions

2003 / Q1

The potential for improved performance monitoring allows companies to measure the performance of their advanced control and optimisation methods against established indicators, and also helps to identify missed faults to be corrected.
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Advanced analytical methods for FCCU troubleshooting

A J Romero, E Rautiainen, K Y Yung, Akzo Nobel Catalysts
A Gevers and J Russel-Lucasius, Refineria Isla (Curacao) NA

2003 / Q1

Separation of FCC catalyst on skeletal density and AAI are in-depth tests to consider when standard analytical methods fail to predit catalyst performance.  Methods described here have been helpful in certain catalyst replacement problems.
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Crude Valuation for crude selection

J C M Hartmann, Hartmann Refinery Consultancy

2003 / Q1

A simulation model can give product yields/properties on separate crudes while an LP run indicates the cost of using limited facilities and markets.  Together they show the relative values of crudes for a specific refinery in a specific market.
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The case for optimising shutdown preparations

Kevin McQuillan and Kenny McGeachie, Huntsman Petrochemicals (UK) Ltd

2003 / Q1

A risk-based approach to optimising inspection activities, eliminating unnecessary work and controlling engineering standards, in addition to aligning contractor objectives with those of the client, contributes to efficient shutdown preparation.
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Smart positioners in safety instrumented systems

Riyaz Ali and LeRoy Jero, Fisher Controls International LLC

2003 / Q1

A review of the way microprocessor-based digital valve controllers - otherwise "smart positioners" - can improve the capabilities of safety systems in detecting potential risks and heading them off before they become a danger.
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Troubleshooting against process plant downtime.

Eike Drewes, Prognost Systems GmbH
Uwe Seifert, OMV Deutschland GmbH

2003 / Q1

To clarify failure mechanisms and determine the measures necessary for trouble free operation it is essential to combine the available experiences of all the participants and compare them with the collected data.
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