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| Refining hydroprocessing strategies |
Rene G Gonzalez, PTQ
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2005 / Q4 |
No room for error: planning and implementation of refinery strategies
for optimal hydrotreating performance, hydrogen utilisation and
sulphur-recovery unit expansion.
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| Optimising cooling water systems |
Daniel A Meier, Nalco Energy Services LP
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2005 / Q4 |
An integrated approach to chemical treatment can improve reliability, reduce costs and extend the life of cooling systems. Cooling system problems can be overcome by combining cooling water programs with analytical tools.
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| Delayed coking advances |
Rick Wodnik, ConocoPhillips Gary C Hughes, Consultant
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2005 / Q4 |
New technologies and procedures for building and upgrading delayed coking facilities are enhancing health, safety and the environment while increasing economic viability.
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| EU regulations on the horizon |
Frank M Bohnen and Timothy J Dougan, Davison Catalysts
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2005 / Q4 |
Recent commercial applications in Europe and elsewhere have demonstrated that additives can effectively and reliably control both SOx and NOx emissions to very low levels, thus helping refiners to comply with new EU regulations.
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| Benchmarking FCCU performance |
Warren Letzsch, Stone & Webster Engineering Inc
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2005 / Q4 |
The value of upgrades to FCCU riser nozzles, cyclones, stripper and other key mechanical components is estimated in terms of yields, capacity, environmental objectives and reliability.
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| Supply chain logistics challenges |
Stephen Clark, Honeywell Process Solutions
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2005 / Q4 |
Integrating the complexities of multi-site refinery supply chain logistics using advanced forecasting, planning and scheduling tools gave one refining company the ability to monitor its supply chain in real-time or near real-time.
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| Optimising FCC profitability |
Xia Rong'an, Liu Huaiyuan, Wu Kai and Guo Jian, PetroChina Corporation Lanzhou Petrochemical Company David He and Solly Ismail Engelhard Corporation
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2005 / Q4 |
The use of additives has helped a chinese refinery to yield increased profitability of more than $3 million per year by transforming low-valued slurry into high-valued gasoline.
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| Advantages of partial-burn regenerators |
Rene Samson, Huub Dries, Ye-Mon chen and Paul Willbourne, Shell Global Solutions International BV
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2005 / Q4 |
Single-stage partial-burn FCC regenerators can provide a low-cost residue processing option for high flexibility and low emissions. Examples of specific solutions include improved cyclone designs and catalyst circulation enhancement technology.
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| Recovering base oils from lubricants |
W A Gorman Jr, SwRI Detlev Bruhnke, Mineralol Raffinerie
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2005 / Q4 |
A process to separate light ends, catalyst, base oils and asphalt extender from used lubricating oil. The underlying principles of the process are the cyclonic vacuum flash and minimisation of the exposure of the oil to high temperatures.
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| Deep-cut vacuum unit design |
Tony Barletta and Scott W Golden, Process Consulting Services Inc
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2005 / Q4 |
Process modelling and equipment know-how are needed to design deep-cut vacuum units that operate reliably at high temperature and low pressure. The model must reflect the actual performance of the equipment and not simply the designers' intent.
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| Increasing distillation column throughput |
George E Dzyacky, 2ndpoint LLC
A Frank Seibert, J Christopher Lewis, University of Texas at Austin
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2005 / Q4 |
Pattern-recognition control strategy may help prevent flooding in distillation towers and in some cases see capacity improvements, as well as giving plant personnel confidence to operate the column near its flood point.
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| Amine process simulation modelling |
Bill Pennycook, Simon Jackson and Iain Martin, Davy Process Technology Ltd
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2005 / Q4 |
Generic design techniques are used to verify thermodynamic data before the construction of a complete simulation model. The resulting optimised process is a cost-effective
approach to a non-ideal separation.
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| Predicting amine blend performance |
Hamid Reza Khakdaman and Ali Taghi Zoghi, National Iranian Oil Company Majid Abedinzadegan Abdi, Memorial University of Newfoundland.
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2005 / Q4 |
A process simulator is able to predict the performance of an Iranian gas-sweetening plant. Various mixtures of diethanolamine (DEA) and Methyl diethanolamine (MDEA) are used to investigate the potential for an increase in plant capacity.
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| Improving profits in olefins complexes |
John Philpot, KBC Advanced Technologies Inc
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2005 / Q4 |
A Hungarian ethylene producer has identified more than a $30 per ton increase in profit. The initial phases of a profitabiltiy programme show what can be achieved in a collaborative effort with the right tools and methodologies.
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| LNG technology and equipment |
Xiang Dong, Xin Jiang Guagshui Liquefied Natural Gas Develpment Co Ltd Eginhard Berger, Linde AG Albert Meffert, Tractebel Gas Engineering Li Wei Bin, Sinopec Shanghai Engineering Co Ltd
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2005 / Q4 |
A review of improvements to the Shan Shan LNG processing facilities, ranging from gas treatment and liquefaction with a single mixed refrigerant cycle in spiral-wound heat exchangers through storage to unloading and distribution in China.
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| Ethylene furnace scheduling |
Rob J Vasbinder and Jeff D Kelly, Honeywell Process Solutions
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2005 / Q4 |
One solution to the logistical constraints seen in ethylene plant furnace scheduling is technology that automatically generates multiple optimised schedules for schedulers to analyse and quickly select the best one to be executed.
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