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| Clean diesel project |
Luigi Valagussa, Koch-Glitsch Italia
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2011 / Q1 |
A process review, including the improvement of atmospheric and vacuum distillation columns, for the reformulation of the diesel pool.
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| Simulation model increases visbreaker conversion |
Ernesto Agorreta, Carlos Angulo and Aleixandre Soriano, Repsol Tarragona Cristina Font and Marco Respini, Baker Hughes
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2011 / Q1 |
Introduction of advanced analytical monitoring, chemical treatment and process optimisation has raised the profitability of a visbreaker unit.
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| Drivers for zero discharge in refineries |
Gary Howard, Foster Wheeler
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2011 / Q1 |
Wastewater treatment utilising zero-discharge techniques has reduced the impact of effluent discharges
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| Rental strategies counter seasonal performance problems |
Umesh Mathur, Aggreko Process Services
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2011 / Q1 |
Engineered solutions can reverse the adverse effects of high temperatures and humidity
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| Independent verification of refineries |
Donald Payne, DNV Vietnam
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2011 / Q1 |
Independent verification should focus on areas of greatest risk and so contribute to risk reduction measures
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| Bottom of the barrel upgrading |
Alan Kramer, Albemarle
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2011 / Q1 |
The predicted and demonstrated role of additives in raising bottoms product yields and properties from the FCC unit
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| Steps towards optimal refinery blending |
David Seiver, Valero Energy Corporation
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2011 / Q1 |
A practitioner's guide to optimising refinery blending systems by choosing control options with the highest return on investment
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| Processing high TAN crude: part II |
Wu Qing, CNOOC
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2011 / Q1 |
Huizhou, which is the first refinery for processing 100% high TAN crude, started up in 2009. This article describes the challenges of an opportunity crude operation
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| Maximisation of VGO through deep-cut distillation for refinery margins |
Rajeev Kumar, Chithra V, Shalini Gupta, Sonal Maheshwari, Peddy V C Rao and N V Choudary, Bharat Petroleum Corporation Ltd, India
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2011 / Q1 |
Appropriate choice of crude and/or crude oil blends as feedstock and a vacuum tower revamp enable higher production of vacuum gas oil for secondary processing
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| Renewable fuels and biofuels in a petroleum refinery |
Jukka Keyrilainen and Matti Koskinen, Neste Jacobs
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2011 / Q1 |
Sound judgement of the process environment, logistics and product properties are necessary to process both fossil and bio-derived raw materials on a single site.
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| Protection analysis in refining |
Robert Absil, Intertek PARK
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2011 / Q1 |
Independent pilot plant testing can serve as an independent protection layer to reduce the technical risks of new process technology
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| Improving crude unit operation |
Tim Olsen and Gary Hawkins, Emerson Process Management
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2011 / Q1 |
Most crude and vacuum units present an opportunity for improvement using modern process control systems
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| Dieselisation screening studies |
Kenneth Stippich, UOP, A Honeywell Company Eelko Brevoord, Albemarle
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2011 / Catalysis |
Catalyst and process studies address refiners' requirements to respond to a changing market for diesel and other fuels
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| Diesel hydrotreater revamp |
Torkil Hansen, Haldor Topsoe
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2011 / Catalysis |
Major improvements to throughput and product specification required a revamp of catalyst and internals in a diesel hydrotreater
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| Enabling increased production of diesel |
John Petri and Stuart Simpson, UOP, A Honeywell Company
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2011 / Catalysis |
A flexible approach features developments in selective catalysts for middle distillate and less conventional production routes based on biomass
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| Chloride removal in refineries |
Mani Erfan, Unicat Catalyst Technologies
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2011 / Catalysis |
A review of catalytic removal of chlorides from refinery streams and a critique of current analytical techniques for estimating chloride content
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| Beyond ULSD |
David Casey, Salvatore P Torrisi, Lawrence Kraus and John Smegal, Criterion Catalysts & Technologies Yvonne Lucas and Aris Macris, Shell Global Solutions
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2011 / Catalysis |
Developments in catalyst and internals technologies exploit the flexibility of the ULSD unit
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| Maximising premium distillate by catalytic dewaxing |
Tim Hilbert, Mohan Kalyanaraman, Bill Novak, Joseph Gatt, Beatrice Gooding and Stephen McCarthy, ExxonMobil Research and Engineering Company (EMRE)
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2011 / Catalysis |
Advances in technology for catalytic dewaxing of distillates by isomerisation provide improved activity
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| Enhanced sulphur recovery from lean acid gases |
Angela Slavens and Justin Lamar, Black & Veatch Djordje L Nikolic and Theo Brok, Shell Global Solutions International
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2011 / Gas |
A preferred acid gas enrichment scheme is combined with two gas-treating schemes to examine the lifecycle cost of a sour natural gas treatment facility.
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| Cryogenic monitoring |
Jerry Worsley, Sensornet
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2011 / Gas |
Fibre optic distributed temperature sensing has several advantages over conventional real-time data sensors in cryogenic leak detection at LNG terminals.
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| Glycol dehydration of high-acid gas streams |
John Carroll, Gas Liquids Engineering Nathan Hatcher and Ralph Weiland, Optimized Gas Treating
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2011 / Gas |
A model based on mass and heat transfer closely predicts plant performance data for glycol dehydration of high-acid gas streams.
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| Controlling corrosion in amine treatment units |
Jaya Rawat, Peddy V C Rao and N V Choudary, Bharat Petroleum Corporation Ltd
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2011 / Gas |
A range of measures can be taken to minimise corrosion in amine units.
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| A promoter for selective H2S removal: part I |
Gerald Vorberg, Ralf Notz and Torsten Katz. BASF SE Weiland Wache and Claus Schunk, Bayernoil Raffineriegesellschaft
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2011 / Gas |
A new MDE promoter achieves very low H2S lean loadings and the option for flexible design of acid gas enrichment units by varying absorber heights.
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| Estimating gas hydrate inhibitor loss: a case study |
Alireza Bahadori, Curtin University
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2011 / Gas |
A predictive tool is used to understand and predict the loss of methanol during natural gas hydrate inhibition.
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| Optimising safety relief and flare systems |
Alban Sirven, Julien Grosclaude and Guillaume Fenol, Technip France Jeremy Saada, Invensys Operations Management
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2011 / Q2 |
Understanding the behaviour of refinery units by dynamic modelling of emergencies enables the prediction of realistic relief loads
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| Energy performance monitoring |
Robert Chares, Herve Closon and Hugues Stefanski, Belsim Jean-Claude Noisier, SIR
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2011 / Q2 |
A integrated energy management system supports improvements to a refinery's performance in energy consumption and emissions control
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| SO2 emission control for resid combustion |
Rick Birnbaum, Cansolv Technologies
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2011 / Q2 |
Regenerable and non-regenerable SO2 scrubbing systems for high-sulphur residuum combustion are compared.
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| Bulk separation of gas-liquid mixtures |
Giuseppe Mosca, Pierre Schaeffer and Bart Griepsma, Sulzer Chemtech Harry Kooijman, Shell Global Solutions International
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2011 / Q2 |
Effective gas-liquid separation is increasingly important to produce high-quality products from feedstocks of decreasing quality.
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| Diverting low-sulphur heavy stocks for fuel oil production |
Rajeev Kumar, Chithra V, Peddy V C Rao and N V Choudary, Bharat Petroleum Corporation Ltd, India
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2011 / Q2 |
Studies enabled a refinery to divert low-value product stocks into higher-value products and preserve crude throughput levels.
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| Reducing carbon footprint |
Tanmay Taraphdar, Technip KT India
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2011 / Q2 |
An integrated programme of process integration techniques lowers CO2 emissions levels in refineries through energy savings.
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| A promoter for selective H2S removal: part II |
Gerald Vorberg, Ralf Notz and Torsten Katz, BASF SE Wieland Wache and Claus Schunk, Bayernoil Raffineriegesellschaft
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2011 / Q2 |
Refinery trials of an MDEA promoter demonstrate low H2S lean loadings and the option for enhanced process stability during high-sulphur operation.
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| Main fracionator revamp |
John Payne and Dan Darby, Foster Wheeler
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2011 / Q2 |
Space restrictions on site called for an innovative solution to replace a refinery's main fractionator mid-section
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| Small-scale gas to liquids |
Andrew Holwell, Oxford Catalysts Group
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2011 / Q2 |
Microchannel reactor technology is on trial for the small-scale production of liquids from stranded gas.
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| Simulation of a visbreaking unit |
S Reza Seif Mohaddecy, Sepehr Sadighi, Omid Ghabuli and Mahdi Rashidzadeh, Research Institute of Petroleum Industry
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2011 / Q2 |
Simulation of a commercial visbreaking unit supports optimisation of the unit's performance
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| Modelling for ULSD optimisation |
Klas Dahlgren, Apex Optimisation/Dynaproc An Rigden, Chevron Henrik Terndrup, Apex Optimisation
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2011 / Q2 |
On-line coordination and optimisation of refinery process units led to a 10% increase in middle distillate production.
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| Automating procedural operations for continuous processes |
Maurice Wilkins and Marcus Tennant, Yokogawa Electric Corporation
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2011 / Q3 |
Progress towards a standard for automating operational procedures in refinery operations
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| Naphtha to diesel via novel routes |
David Gibbons, Foster Wheeler
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2011 / Q3 |
An unconventional, synthetic approach to converting LPG and naphtha components could boost diesel production
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| Optimising hydrogen production and use |
Ronald Long, Kathy Picioccio and Alan Zagoria, UOP LLC, A Honeywell Company
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2011 / Q3 |
Knowledge of hydrogen producing and consuming process technologies, systems analyses and process controls can be leveraged to optimise hydrogen use
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| Improving residue hydrocracking performance |
Joni Kunnas, Neste Oil Lee Smith, HTI
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2011 / Q3 |
Trials with a catalyst system for enhanced transfer of hydrogen to asphaltenes show reduced sediment formation and fouling in ebullated-bed residue hydrocrackers
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| Industrial-scale production of renewable diesel |
Rasmus Egeberg and Kim Knudsen, Haldor Topsoe Stefan Nystrom, Eva Lind Grennfelt and Kerstin Efraimsson, Preem
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2011 / Q3 |
A revamp has made possible the large-scale production of clean diesel with a significant percentage of renewable content
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| Improving solids handling in a delayed coker |
Randy Hull, Steve Stewart and James Teets, Marsulex
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2011 / Q3 |
A reliability model applied to a coke handling system demonstrates the benefits of compliance with a preventive maintenance programme
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| Refinery configurations for maximising middle distillates |
Arun Arora and Ujjal Mukherjee, Chevron Lummus Global
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2011 / Q3 |
A comparison of configurations for upgrading residual oil products for the maximum production of diesel
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| Bitumen processing: crude unit revamps |
Mike Armstrong, Rob Henderson and Jon Moretta, Jacobs Consultancy
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2011 / Q3 |
The ability to process bitumen offers a competitive advantage, but revamps of crude and vacuum units to process bitumen require significant changes to equipment
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| Improving profitability despite lower utilisation |
Eric Streit and Robert Ohmes, KBC
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2011 / Q3 |
Alternative and novel strategies can maintain and improve profitability despite lower utilisation of individual process units
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| Multi-stage reaction catalysts |
J Mclean, Bram Hoffer, Gary Smith, David Stockwell and Alexis Shackleford, BASF
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2011 / Q3 |
Recently trialled manufacturing technology combines two or more FCC catalyst functionalities within the same catalyst particle
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| Preventing environmental excursions on the FCC unit |
Ray Fletcher and Martin Evans, Intercat
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2011 / Q3 |
Guidelines to enable the FCC engineer to identify and eliminate the root cause of unexpected flue gas emissions
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| Catalytic oxidation of spent caustic |
Vivek Rathore, Shalini Gupta, T S Thorat, P V C Rao, N V Choudary and G Biju, Bharat Petroleum Corporation Ltd, India
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2011 / Q3 |
A process to oxidise spent caustic in an existing treatment plant by a catalytic route in the presence of air enhances the quality of wastewater releases
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| Refinery expansion and oil quality upgrading |
Sun Lili, Sinopec Engineeering Incorporation
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2011 / Revamps |
Optimisation of current resources and effective integration of clean fuels technology enable older refineries to better match the economic performance of new plants.
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| Tray revamp for demethaniser ethane recovery |
Darius Remesat, Koch-Glitsch Canada
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2011 / Revamps |
As a first step in an ethane extraction plant's operational improvement plan, a tray revamp was performed to improve both tray efficiency and ethane recovery.
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| Improved performance from reforming |
Anthony Poparad, Beatrix Ellis, Bryan Glover and Stephen Metro, UOP LLC, A Honeywell Company
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2011 / Revamps |
Process and equipment solutions help to improve the profitability and reliability of reforming units
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| Revamping FCC emissions control |
Merle Fritz, HollyFrontier R&M Kevin Linfield, Airflow Sciences Corporation Dennis Salbilla, Haldor Topsoe
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2011 / Revamps |
An upgrade of FCC unit emissions reduction at a Tulsa refinery relied on computational modelling to develop optimal flow control systems
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| Optimising and revamping a refinery hydrogen network |
Zhao Jianwei, Luoyang Petrochemical Engineering Company Lou Yuhang, Zhang Nan and Keith Guy, Process Integration Ltd
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2011 / Revamps |
Pinch analysis and mathematical programming support hydrogen network design and retrofit
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| Gasoline and diesel imbalances in the Atlantic Basin: part II |
Sebastien Fraysse and Seba Stien Huchette, Axens
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2011 / Q4 |
Options to re-orientate a refinery's production towards middle distillates
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| Future of opportunity crudes processing |
Brett Goldhammer, Claire Weber, Patrick Christensen, Serena Yeung, Thomas Garrett and Thomas Yeung, Hydrocarbon Publishing Company.
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2011 / Q4 |
Five critical drivers help refiners remain profitable and sustain long-term business goals while processing relatively inexpensive, low-quality crudes.
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| FCC catalyst optimisation in response to rare earth prices |
Solly Ismail, BASF Refining Catalysts
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2011 / Q4 |
Lower levels of rare-earth catalyst formulations offset higher raw material costs, but refiners must consider the effects on catalyst performance and overall profitability.
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| Thermal maintenance in delayed cokers |
Thomas Willingham, Controls Southeast Inc
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2011 / Q4 |
An engineered approach to line heating avoids plugging in a delayed coker's residuum lines
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| Evaluating tank farm capacity |
Alastair Painter, DNV
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2011 / Q4 |
Stochastic simulation provides a refinery operator with the information needed to optimise storage in the tank farm.
More
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| Optimal tonnage industrial gas plants |
Wolfgang Schoerner and Goutam Shahani, Linde Engineering
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2011 / Q4 |
Detailed examination of industrial gas needs is required to develop the most cost-effective industrial gas plant configuration
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| Fast turnaround for a SRU tail gas scrubber |
Steven Meyer and Andrea Trapet, MECS
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2011 / Q4 |
Reuse of groundwork and equipment, as well as previous experience in meeting permitting regulations enabled an 18-week turnaround of a tail gas scrubber.
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| Continuous removal of contaminants from amine solutions |
Sunil Dandekar and Jenny Shao, Eco-Tec
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2011 / Q4 |
A continuous purification system overcomes amine degradation and the formation of corrosion promoting heat stable amine salts
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| FCC air/steam rings |
Clint Cooper, Shaw's Energy & Chemicals Group
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2011 / Q4 |
Ring distributors are a simple yet effective means of improving air/steam distribution within the FCC unit.
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| Diesel hydrotreating and mild hydrocracking |
Andrew Tyas, DuPont Sustainable Solutions Clean Technologies
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2011 / Q4 |
Increased hydroprocessing capability must provide an acceptable long-term return on capital, while producing the desire product yields and qualities.
More
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| Zero and low rare earth FCC catalysts |
Colin Baillie and Rosann Schiller, Grace Davison
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2011 / Q4 |
Blends of rare earth-free and rare earth-based catalysts for resid feed FCC applications have maintained and even improved performance.
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| Assessment of crude oil blends |
Vivek Rathore, Rajiv Brahma, Tushar S Thorat, P V C Rao and N V Choudary, Bharat Petroelum Corporation
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2011 / Q4 |
A refiner's assessment of the compatibility of opportunity crudes in blends aims to avoid the processing problems introduced by lower-quality feedstocks
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| Flow metering vacuum tower bottoms |
Rainer Wetzel, Flexim
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2011 / Q4 |
A clamp-on ultrasonic flow meter can make flow measurement at the bottom of vacuum distillation towers more reliable.
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| Options for lower-sulphur marine fuels |
Karl Bartholomew and Antonios Panagiotopoulos, KBC
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2011 / Q4 |
Adjusting to new sulphur specifications for bunker fuel requires careful planning, taking into account market dynamics
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| Crude column relief mitigation |
Mohamed Abouelhassan, Simply Simulation Inc
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2011 / Q4 |
Mitigation of plant-wide relief loads can greatly improve the safety of the plant, reduce flaring and be used as the basis for building smaller relief systems
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