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| Reducing FCCU NOX emissions |
AA Lappas, DK Iatridis and IA Vasalos University of Thessaloniki
H Rhemamann and G Schwartz OMV Refining and Marketing GmbH
S Lonka and P Heinonen Fortum Oil and Gas Oy
G Spyridaki and Y Psichogios Hellenic Petroleum |
2005 / Q1 |
Case studies of the strategies used to reduce NOx emissions at three European refineries. CO and feed nitrogen effects on emissions were taken into account, and a significant reduction in emissions was achieved with the use of additives
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| Treatment options for molten sulphur |
Tony Barnette Gas Technology Products LLC |
2005 / Q1 |
A look at some options in the hydrocarbon processing industry for dealing with sulphur during vent handling and the removal of H2S from vent streams, which can fit well into a facility's overall storage and handling system.
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| Benefit of revamping a main fractionator |
Dana G Laird Koch-Glitsch LP. |
2005 / Q1 |
Additional FCCU capacity can often be achieved by implementing new packing and distributor designs, even if the main fractionator has already been revamped. The author presents some of the factors to be considered in evaluating a revamp
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| Revamps: maximum asset utilisation |
Scott Golden Process Consulting Services Inc |
2005 / Q1 |
Analyses of some common process unit limits, emphasising when equipment systems must be modified or new ones added. Knowing just where to focus investment depends primarily on process fundamentals and equipment basics
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| Increasing hydrogen Production |
Ib Dybkjær Haldor Topsøe A/S |
2005 / Q1 |
The cost effectiveness of increasing refinery hydrogen capacity with compact convection reforming-based plants. Depending on available feedstocks, existing process configurations and operating conditions, medium-scale units are options
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| Improving hydrotreater operations |
Gene J Yeh Daniel Longstaff Abdullah Al-Mahrous Olavo C Dias Saudi Aramco |
2005 / Q1 |
Improvements made during naphtha hydrotreater operations at a Middle East refinery focused on the diameter of crude unit overhead line, better corrosion control, an upgraded catalyst grading system and higher furnace temperatures
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| Increasing FCC profitability |
Michael Edwards Albemarle Asia Pacific Company |
2005 / Q1 |
Case studies demonstrate how operating and catalytic changes can result in higher FCC rates and improved conversion between turnaround cycles. Even with lower feed quality, the author argues, costs can be controlled and margins improved
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| Downstream business process mapping |
Atul Agrawal Infosys Technology Ltd |
2005 / Q1 |
The use of business process mapping on a refinery/downstream enterprise integration project. Efficient documentation of all enterprise-wide activities helps to keep re-engineered processes in focus while identifying future scenarios
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| Improving olefins plant performance |
Darren C Le Geyt KBC Advanced Technologies Inc |
2005 / Q1 |
A review of available modelling and optimisation tools for olefins plants. A cost effective approach has been developed for improving cash margins by a combination of rigorous simulation, optimisation and steam cracker economics
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| Ethylene plant Optimisation |
Zak Alzein and Ravi Nath Honeywell Process Solutions |
2005 / Q1 |
A review of the application requirements, trends and evolution of closed-loop real time optimisation applied in ethylene plants and how this relates to feedstock selection and furnace schedule optimisation
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| Refinery production planning |
Paulo Rego Siemens Chemtech
Rüdiger Reichow Siemens AG
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2005 / Q1 |
Plant level scheduling at the interface of technical vision and operational demands, say the authors, requires a scheduling tool that supports rather than simply automates the decision process. Ways to minimise inefficiencies are discussed
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| Managing refining yields and margins |
Aftab Saleem Allegro Development |
2005 / Q1 |
How energy transaction management systems can help to integrate business processes and data and provide accurate access to this information. Examples show how consolidated data can be used to calculate accurate yields and margins
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| Implementing multivariable process control |
Ramiro A Cremaschi and Julia A Perinetti Repsol YPF |
2005 / Q1 |
Case study of the introduction of robust multivariable process control (MPC) into a third party distributed control system. The authors discuss interface development and the factors necessary for successful refinery MPC performance
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| Solving control loop Problems |
Hong-Cheol Ko and Young Soo Park LG Caltex Oil Corporation |
2005 / Q1 |
Case studies of an online control performance monitoring solution to identify and remedy control loop problems. The emphasis is on locating the cause of poor control performance and maintaining plant controls with condition-based models
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| Maximising para-xylene Capacity |
John B Robertson UOP LLC |
2005 / Q1 |
A team approach to unlocking the potential of a world-scale aromatics complex. Greatest-ever para-xylene capacity gains were achieved by evaluating options for removing existing plant limits and by using improved economic planning models
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| Emissions data Management |
Paul Reinermann and Robert Golightly Pavilion Technologies Inc |
2005 / Q1 |
To meet environmental accounting regulations, the key for petrochemical plants is precise management of emissions data. The complexities of integrating market-based regulations with a plant control network are described here
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