Browse Editions : 2004 / Q4
Title Author Edition
Light crude oil Treatment

Felipe Suarez and Herbert Wizig Merichem Chemicals & Refinery Services LLC
Liu Youchao China National Petroleum Corporation
Jack Zhang Jackson International Inc

2004 / Q4

A review of caustic treating technologies useful in the removal of volatile sulphur from sour light crudes. The authors describe how the caustic treatment of light crude oil at facilities in Kazakhstan has been profitable and economically sound


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Refinery oxidative Desulphurisation

Chris Gosling V A Gembicki Ron Gatan UOP LLC
Agostino Cavanna Eni SpA Daniele Molinari and Franco Baldiraghi EniTecnologie SpA

2004 / Q4

A study of the economics of applying oxidative desulphurisation technology, with its dependence on the operating pressure of existing hydrotreating capacity. Two case studies show how this new route can form an effective ULSD strategy



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Sulphuric acid alkylation reactor upgrade Steven Ackerman and Paul W Kamienski ExxonMobil Research and Engineering Company, USA
Kate D Hart and Derek R Styles ExxonMobil Refining and Supply, Australia

 

2004 / Q4

Upgrading of the sulphuric acid cascade alkylation reactor-settler system at an Australian refinery decreased acid consumption significantly and increased product octane. Reactor temperature was reduced and acid circulation increased



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Upgrading heavy oils with new catalyst technology

Balbir Lakhanpal Darryl Klein Park Leung Advanced Refining Technologies LLC
Bruno Tombolesi Grace Davison
Józef Kubiak Polski Koncern Naftowy SA

2004 / Q4

Heavy oil upgrading performance and profitability have been improved at a refinery in Poland by a new low sediment ebullating bed resid catalyst technology. The authors report improved unit conversion and reduced need for HCO diluents



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FCC additive demonstrations Part 2

Guido W Aru Intercat Inc

2004 / Q4

An overview of additive technology for reducing SOx and NOx emissions, and a review of CO combustion promoter technology and performance at a refinery. Reduction mechanisms and other factors affecting performance are described



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Improving hydrotreater performance Ken J Mills Saint-Gobain NorPro

 

2004 / Q4

An account of the way ceramic technology can reduce hydrotreater operating cost and downtime by lowering the initial pressure drop. Use of dual function ceramic media also allows for the initial removal of nickel and vanadium


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Improving crude switching control

Ariffen Adnan and Nyonya Md Sani Petronas
Seung Yun Nam and Y Zak Friedman Petrocontrol

2004 / Q4

Crude unit advance process control has lucrative potential, provided it performs when it is most needed: during crude switching disturbances. The authors describe how one company is using first principles inferential modelling in crude switches 



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Causes of fouling in hydroprocessing units

Tai-Sheng Chou H2Advance

2004 / Q4

Costly unscheduled hydroprocessing unit turnarounds caused by fouling can be prevented. This study explores the root cause of process fouling mechanisms and suggests cost-effective means for implementing mitigation strategies


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Crude oil and quality Variations

Larry N Kremer Baker Petrolite Corporation

2004 / Q4

An assessment of the impact of crudes on operational and product quality, with an explanation of the way in which the crude oil supply chain, combined with the sources of many crude constituents, affects production



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Maximising plant Availability Arturo Grimaldi Andrea Polacchi Claudio Bonventre Technip-Italy SpA

 

2004 / Q4

With a growing demand in the petrochemical industry for extended plant availability, the authors demonstrate how a new design practice was applied to a hydrocracker revamp that maximised the technical availability of the unit


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ULSD problems and Solutions

Scott Sayles Jim Bailor Robert Ohmes KBC Advanced Technologies Inc

2004 / Q4

A review of the common pitfalls in scoping, designing, implementing and operating ULSD units. The authors offer various solutions, ranging from optimising hydrogen partial pressures to avoidance of recombination reactions


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Foam control in crude units

Tony Barletta and Edward Hartman Process Consulting Services Inc
David J Leake EGS Systems Inc

2004 / Q4

Installation of vortex tube clusters in crude unit preflash drums has eliminated foam carry-over, increasing diesel and atmospheric gasoil product yields. By avoiding preflash drum replacement, these retrofits have cut revamp investment



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Increasing vacuum tower performance Mark Pilling Nina Prohorenko Alan Szymanski Sulzer Chemtech USA Inc

 

2004 / Q4

Advantages of using gravity flow liquid distributors in services where, historically, spray nozzles have been used, specifically in refinery vacuum tower wash sections where liquid entrainment must be avoided if capacity is to be increased 



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Engineering gas-to-liquids projects – Part 2

Simon C Clarke Foster Wheeler Energy Ltd

2004 / Q4

A selection of profitable contracting strategies for capital-intensive GTL projects. The author reviews how GTL projects have evolved, from their inception through the various stages of engineering and study to the award of an EPC contract



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Optimising plant turnarounds Shaun Dyke PetroQuantum BV

 

2004 / Q4

An outline of the various steps that need to be taken to improve turnaround performance, specifically addressing key activities, controls, timeframes and the management of risk that constitute turnaround best practice



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Saving hydrocarbon vapour loss Dhilipkannan Natarajan Indian Petrochemicals Corporation Ltd

 

2004 / Q4

A description of modifying pressure control strategies to avoid n-hexane solvent loss in a process unit’s intermediate storage vessels. A new control philosophy was implemented to improve the existing split-range pressure control strategy



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