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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
More
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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.
More
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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
More
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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
More
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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
More
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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
More
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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
More
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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
More
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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
More
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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
More
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| Refinery production planning |
Paulo Rego Siemens Chemtech
Rüdiger Reichow Siemens AG
|
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
More
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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
More
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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
More
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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
More
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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
More
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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
More
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| Diesel and VGO recovery |
Tony Barletta, Process Consulting Services Inc |
2005 / Revamps |
Fundamental design considerations influencing diesel and vacuum gas oil (VGO) recovery when revamping existing or designing grassroots crude units. By increasing vacuum column diesel recovery, crude throughputs via major conversion units may also be increased.
More
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| Corrosion monitoring improvements |
Richard E Mathers, Nalco Ltd |
2005 / Revamps |
Case study examines prediction, monitoring and mitigation of corrosion-related effects at a West European refinery operating in a high temperature, naphthenic acid environment, and shows how metal loss was prevented when processing heavy acidic crudes.
More
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| Crude unit preflash drums and columns |
Scott W Golden, Process Consulting Services Inc |
2005 / Revamps |
Preflash drums and preflash columns have a significant effect on crude charge hydraulics. The reasons for using preflash equipment are discussed, including general design considerations and problems that are created if they are designed incorrectly.
More
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| The role of maintenance in start-ups |
Brian Pritchard, Shell Canada Ltd |
2005 / Revamps |
A multi-billion dollar heavy oil upgrader project emphasised the importance of maintenance management considerations during project development. The author reviews the critical role that maintenance played in this successful start-up. Key phase considerations are outlined.
More
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| Maximise VGO yield |
Greg Cantley, Kevin Basham and Steve Barnett, Marathon Petroleum Company LLC
Edward Hartman, Process Consulting Services Inc. |
2005 / Revamps |
Fundamental operating principles of vacuum ejectros are discussed, including incidents leading to sudden increases in ejector suction pressure, known as breaking. Proper ejector component selection and design can significantly prevent breaking and increase VGO yield, while reducing resid production
More
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| Dynamic corrosion appraisal |
Russell D Kane, Dawn C Eden and David A Eden, InterCorr International Inc |
2005 / Revamps |
Monitoring time-varying corrosion with technology that inputs corrosion as a real-time process variable lets operators correlate corrosion excursions with operating and process parameters and helps manage chemical and other corrosion prevention treatments.
More
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| Improving sulphur recovery |
Lorenzo Micucci, Siirtec Nigi SpA |
2005 / Revamps |
Use of high Claus ratio technology permits operating Claus plants off-ratio, regardless of tail gas technology employed. Sulphur recovery at 99.8% is possible regardless of flow rates and/or composition changes to sulphur recovery units.
More
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| Maximising plant productivity |
George DeBakey, AP Netowrks LLC
Bassam Samman, CMCS
Sulaiman Sultan Mohammad, Kuwait National Petroleum Company
Kirk Blanchard, Valero Energy, St Charles Refinery
Dean Edmundson, Primavera Systems Inc |
2005 / Revamps |
Combined project management, risk assessment and asset management tools and methodologies can achieve the optimum systems integration capable of addressing every aspect of a project.
More
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| Reducing refinery heater revamp costs |
Tony Tindall, Foster Wheeler Energy Ltd |
2005 / Revamps |
The current condition of thousands of fired heaters built since the second half of the 20th century requires urgent attention. This article discusses the importance of being able to deliver a safe, cost-effective heater revamp, in the shortest possible shutdown.
More
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| Optimising plant steam systems |
Kerrigan Mendicino, Pipe Line Development Co. |
2005 / Revamps |
How one process facility avoided excessive boiler feed water leaks and steam venting between major turnarounds. A shear plug system helped maintain steam system temperatures at the desired letdown rates, eliminating significant imbalances.
More
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| Recycling of GTL catalysts |
Andreas H Brumby and Michel P Verhelst, Umicore Precious Metals Refining
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2005 / Catalysis |
Recovery and refining of cobalt and precious metals used in Fischer Tropsch catalysts should be considered due to their value. The impact of certain precious metals on the metals markets also justifies their recovery
More
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| Reformer catalyst Regeneration |
Dick Llorens, Gemini Industries Inc |
2005 / Catalysis |
To make a proper evaluation of the economics of spent catalyst regeneration, one must consider the direct and indirect costs, risks and long-term liabilities that occur when the catalytic reforming unit’s catalyst regeneration process is abbreviated
More
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| Mercury removal from liquid hydrocarbons |
Peter J H Carnell and Steve Willis, Johnson Matthey Catalysts |
2005 / Catalysis |
Various methodologies for the measurement of mercury levels in gaseous and liquid hydrocarbons are available, while inorganic routes for mercury removal have a number of advantages over the organic approach
More
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| Recovering precious metals from spent catalysts |
Richard J DeSantis Sabin Metal Corporation
|
2005 / Catalysis |
Finding and working with the right refiner can make a big difference
in returns, not to mention many of the legal implications involved if
the refiner crosses the line with regard to environmental regulations
when processing spent catalysts
More
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| Catalyst performance improvements |
Charles McCloud Criterion Catalysts & Technologies
|
2005 / Catalysis |
Manufacturing technology advancements have lead to step-out
improvements in catalyst performance and stability for ULSD, FCC
pretreater and hydrocracker pretreater applications
More
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| Increasing FCC Yields |
Lori McDowell and Silas Y Wong Grace Davison Refining Technologies
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2005 / Catalysis |
Improvements to a FCC unit changed its operating characteristics.
These changes called for a catalyst formulated with higher activity,
stability and metals tolerance at higher throughputs to increase the
yield of valuable liquid products
More
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| Catalyst life cycle Performance |
Chris Anderle UOP LLC
|
2005 / Catalysis |
Refiners can obtain value from solutions beyond the catalyst
selection process if the decision-making process includes a review of
the entire catalyst cycle
More
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| Boosting FCC propylene with minimal conversion loss |
Pieter Imhof, Erja P H Rautiainen and Arja Hakuli-Pieterse Albemarle Catalysts bv
|
2005 / Catalysis |
Catalyst and additive technology can maximise light olefin yields
with minimal dilution of the base catalyst and little impact on bottoms
conversion. It also diminishes secondary reactions such as hydrogen
transfer
More
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| ULSD production at low pressure |
Lars K Skyum Haldor Topsøe A/S
|
2005 / Catalysis |
A large number of existing diesel hydrotreaters are operated at
pressures below 30 bar. The catalyst used for production of ULSD in
these hydrotreaters differs from catalyst formulations that perform
well at higher pressures
More
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| Reticulated ceramics improve reactor performance |
William “Dusty” Duke and Austin Schneider Crystaphase Technologies Inc |
2005 / Catalysis |
With many hydroprocessing units being pushed beyond their original
design, refiners need to improve the unit’s reactor performance.
Upgrading reactor top-bed loadings that include reticulated ceramics
will improve catalyst performance
More
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| Hydroprocessing revamp configurations |
Ujjal Mukherjee, Jerry Mayer and Bharat Srinivasan Chevron Lummus Global |
2005 / Catalysis |
Upgrading existing hydrocrackers from single-stage to two-stage
recycle offers significantly higher flexibility for increasing
high-quality FCC feeds and naphtha/diesel production
More
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| Laboratory simulation of naphtha processing |
Avelino Corma Canos, Universidad Politécnica de Valencia |
2005 / Catalysis |
A number of naphtha simulation options are available. The four scenarios that form the basis of these simulations can lead to the best options for cracking less conventional streams such as LSR and FCC naphtha, while also producing propylene
More
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| Catalyst modelling improvements |
Greg Jackson Pavilion Technologies Inc
Jim Wambaugh CRI Catalyst Company |
2005 / Catalysis |
Reducing the time to analyse catalyst and reactor performance is crucial to petrochemical profitability. Use of a real-time catalyst performance modelling system can maximise catalyst life while also reducing costly laboratory analysis
More
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| Paraffins isomerisation options |
Bruno Domergue and Laurent Watripont Axens |
2005 / Q2 |
A variety of isomerisation technologies are available, from
conventional once-through and deisohexaniser recycle processes to
advanced recycle schemes involving molecular separation processes
More
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| High-efficiency coalescers for analyser protection |
Hans Thoma OMV Burghausen Refinery
Verena Titzenthaler and Thomas Reisenhofer Pall Corporation
|
2005 / Q2 |
Coalescers are designed to either separate liquid aerosols from gas
streams or to break liquid/liquid emulsions. Both liquid/gas and
liquid/liquid coalescer technologies have been successfully applied to
analyser technology
More
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| Expander inlet piping design |
P T Klumpp Refinery Technology Inc
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2005 / Q2 |
The expander inlet piping system linked to the FCCU is one of the
most complex piping systems to analyse and design in a refinery.
Expansion joints used in the expander inlet piping system are also
reviewed
More
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| Controlling FCCU dilute phase reactions |
Warren S Letzsch Stone & Webster Engineering Inc
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2005 / Q2 |
Various strategies are available to control unwanted secondary
reactions in the FCCU reactor’s dilute phase, including vapour quench
technology, designed to lower the temperature, or close-coupled systems
to reduce the dilute phase contact time
More
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| Bitumen processing developments |
Mazen M Abu-Khader Al-Balqa Applied University
James G Speight CD & W Inc |
2005 / Q2 |
Several process options have been tested for upgrading extra heavy
oil at various processing facilities. The possibility of future process
configurations for producing marketable products from bitumen is
discussed
More
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| Improved residuum cracking |
Mingting Xu and Rostam J Madon Engelhard Corporation
|
2005 / Q2 |
Catalyst deactivation is a challenge to FCCU yields when processing
residuum. The detrimental effect of nickel and vanadium in forming
contaminant coke and hydrogen can be reduced via appropriate
passivation technology
More
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| Simulating optimal tank farm design |
Michael D Stewart Foster Wheeler North America Corp
L Dean Trierwiler Haverly Systems Inc
|
2005 / Q2 |
Development of a computerised model incorporating Monte Carlo
operational risk simulation with the optimisation power of linear
programming. The basis, structure and execution of this model are
discussed
More
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| Saving fuel costs with WPHEs |
Peter Barnes PBA Consulting
Pierre Xavier Bussonnet Packinox SA François Reverdy Packinox Inc
|
2005 / Q2 |
WPHEs save fuel costs and serve as a cost-effective CO2-trimming
technology by reducing heater duty in reformers and HDS units. The
resulting fuel cost savings add to emission trade benefits
More
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| Managing hydrogen to achieve ULS targets |
Dennis Vauk Air Liquide America LP
Rob Gardner Irving Oil Ltd
David Mercer Fluor Canada Ltd
Nick Hallale Aspen Technology
|
2005 / Q2 |
To meet clean fuel challenges, refiners must manage hydrogen usage to
achieve sulphur reduction targets for 2005 and beyond. Hydrogen network
optimisation can deliver significant benefits over traditional
approaches
More
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| Reducing CO2 emissions |
Ian Moore AspenTech UK Ltd
|
2005 / Q2 |
Several long-term challenges and opportunities face refiners after
the introduction of the European Union ETS. These include emissions
monitoring, operational improvements, emissions forecasting and
economic emission reduction
More
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| Enhancing SRUs with oxygen-enriched air |
Mukesh Mehta CB&I TPA
Aaron Stryk CB&I |
2005 / Q2 |
As clean fuels regulations become more stringent, refiners looking for new ways to boost the capacities of their existing sulphur-recovery units are turning to oxygen-enhancement technologies
More
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| Selecting materials for FCCUs |
Xu Yonggang and Jia Qiliang SINOPEC Luoyang Petrochemical Engineering Corporation
|
2005 / Q2 |
Proper material selection for FCCU equipment is critical for long-term reliable operation. Different materials deal with different forms of corrosion, and each material has its advantages and limitations
More
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| Catalyst addition in ebullated-bed units |
Scott Sayles and Jim Bailor KBC Advanced Technologies Inc |
2005 / Q2 |
A simple theoretical approach is available for calculating the catalyst metals content, catalyst physical properties and the effect on catalyst activity. Different catalyst addition rates are reviewed and compared
More
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| Turnaround preparation |
Don Turner Jacobs Field Services
|
2005 / Q2 |
Several work processes have been developed for maintenance turnarounds. Incorporating these processes into a master cost-control and scheduling system ensures materials availability as well as correct staffing levels and timely execution
More
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| Increasing propylene for the petrochemical market |
Solly Ismail Engelhard Corporation
|
2005 / Q2 |
Increasing FCC propylene with shape-selective additives minimises the impact on unit process conditions and equipment. Production of butylenes and isobutene without significant increases in dry gas and coke yield is an added benefit
More
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| Calcium removal from high TAN crudes |
Jerry J Weers and Scott Bieber Baker Petrolite |
2005 / Q3 |
Crude oils high in calcium naphthenate content are being processed
using technology developed to remove calcium in crude unit desalting
operations, with calcium removal efficiencies averaging 70% on Doba
blends
More
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| Optimising refinery profitability |
Brian Lasiuk, R Mark Wilson and M Craig Winslow GE Infrastructure Water & Process Technologies |
2005 / Q3 |
A comprehensive methodology is presented that maximises profitability
when processing opportunity crudes while avoiding operational
disruptions such as high temperature corrosion
More
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| Efficient ULSD catalyst systems |
Charles “Chuck” W Olsen and David Krenzke Advanced Refining Technologies
|
2005 / Q3 |
Staged ULSD catalyst systems are available for the desulphurisation
of multiple sulphur species, using combined high-activity CoMo/NiMo
catalysts formulated at ratios based on expected levels of
alkyl-dibenzothiophenic compounds
More
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| LCO upgrading |
Vasant P Thakkar, Suheil F Abdo, Visnja A Gembicki and James F McGehee UOP LLC
|
2005 / Q3 |
Adding value to LCO is achievable through aromatic ring
manipulation, producing high-octane naphtha and low-sulphur diesel.
Pilot plant results confirm the effectiveness of partial-conversion
hydrocracking technology
More
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| Wireless communication in refining |
Peter Jofriet and Stephen Clark Honeywell Process Solutions
|
2005 / Q3 |
Several wireless technologies are available today. The benefits of
implementing these technologies, and the challenges associated with
adopting this seemingly high-tech approach for furthering a refinery’s
business objectives, are discussed
More
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| An atmospheric crude tower revamp |
Daryl W Hanson and Tony Barletta Process Consulting Services
John V Bernickas CITGO Petroleum Corporation
|
2005 / Q3 |
Overall gas oil yield was maintained with heavier crudes due to a
crude tower revamp. The revamp allowed for a crude heater outlet
temperature reduction and a lower vacuum flash zone pressure
More
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| Hydrocracker reliability improvement |
Tai-Sheng Chou H2Advance
|
2005 / Q3 |
Refiners continue to push the envelope of reliable hydrocracker
operation. Optimised process design and operational improvements can
help manage temperature excursions and avoid potential temperature
runaways
More
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| Technology for SOx removal |
Thomas K Chow, Theresa M Flood, John A Gebur and Vincent W Wong
Fluor Enterprises Inc
|
2005 / Q3 |
A concern for many refiners is the increasing complexity of SO2
removal from flue gases in the presence of O2. Various solutions are
available to achieve 99.99% sulphur recovery without by-product
formation and corrosion problems
More
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| Benefits from coking of heavy feedstocks |
Wayne Brown, Robert Pinchuk and Gerard Monaghan Envision Technologies Corp
|
2005 / Q3 |
Research into the thermal processing of heavy oil using advanced
analytical and laboratory techniques has revealed that huge gains are
possible, thanks to a new reactor configuration based on the marriage
of two commercial technologies
More
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| Optimising process equipment performance |
Todd Reeves Emerson Process Management |
2005 / Q3 |
Advances in transmitters and related systems can maximise rotating equipment and pump reliability at minimum cost. These advances involve integration of online equipment monitoring with process control systems
More
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| Analysing F-shell heat exchangers |
Reza Yahyaabadi Esfahan Oil Refining Company |
2005 / Q3 |
The procedure for the separate evaluation of hydraulic and thermal leakage in
F-shell heat exchangers is combined into a new program for optimising exchanger performance
More
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| Asset life extension |
Laza Krstin ABB Engineering Services
|
2005 / Q3 |
A case study showing how asset life extension helped a leading manufacturer of ammonia and urea to assess the condition of its plants and put in place effective asset strategies that support the achievement of business objectives
More
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| Refinery and petrochemical integration opportunities |
Patrick D Lavergne Lyondell Chemical Company
Robert S Bridges Equistar Chemicals
|
2005 / Q3 |
Against a background of tighter fuel specifications and petrochemical expansion, various strategies exist for exchanging process streams between ethylene plants and refineries, bringing about economic operating benefit and capital reduction
More
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| On-purpose propylene production |
Steve Zinger Chemical Market Associates Inc (CMAI)
|
2005 / Q3 |
Five types of on-purpose propylene production are available, including propane dehydrogenation, metathesis, olefins cracking and interconversion, high severity FCC, and gas-to-olefins. Each one is discussed in detail
More
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| Process safety through instrumentation |
Roman Maurer Endress+Hauser Messtechnik GmbH+Co KG
|
2005 / Q3 |
Typical safety loops with pressure transmitters, level monitoring and flow meters illustrate the application of the international IEC 61511 standard in the petrochemical industry
More
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| Refining hydroprocessing strategies |
Rene G Gonzalez, PTQ
|
2005 / Q4 |
No room for error: planning and implementation of refinery strategies
for optimal hydrotreating performance, hydrogen utilisation and
sulphur-recovery unit expansion.
More
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| Optimising cooling water systems |
Daniel A Meier, Nalco Energy Services LP
|
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.
More
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| Delayed coking advances |
Rick Wodnik, ConocoPhillips Gary C Hughes, Consultant
|
2005 / Q4 |
New technologies and procedures for building and upgrading delayed coking facilities are enhancing health, safety and the environment while increasing economic viability.
More
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| EU regulations on the horizon |
Frank M Bohnen and Timothy J Dougan, Davison Catalysts
|
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.
More
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| Benchmarking FCCU performance |
Warren Letzsch, Stone & Webster Engineering Inc
|
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.
More
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| Supply chain logistics challenges |
Stephen Clark, Honeywell Process Solutions
|
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.
More
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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
|
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.
More
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| Advantages of partial-burn regenerators |
Rene Samson, Huub Dries, Ye-Mon chen and Paul Willbourne, Shell Global Solutions International BV
|
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.
More
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| Recovering base oils from lubricants |
W A Gorman Jr, SwRI Detlev Bruhnke, Mineralol Raffinerie
|
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.
More
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| Deep-cut vacuum unit design |
Tony Barletta and Scott W Golden, Process Consulting Services Inc
|
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.
More
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| Increasing distillation column throughput |
George E Dzyacky, 2ndpoint LLC
A Frank Seibert, J Christopher Lewis, University of Texas at Austin
|
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.
More
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| Amine process simulation modelling |
Bill Pennycook, Simon Jackson and Iain Martin, Davy Process Technology Ltd
|
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.
More
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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.
|
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.
More
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| Improving profits in olefins complexes |
John Philpot, KBC Advanced Technologies Inc
|
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.
More
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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
|
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.
More
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| Ethylene furnace scheduling |
Rob J Vasbinder and Jeff D Kelly, Honeywell Process Solutions
|
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.
More
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| Adding value to FCC operations |
Solly ismail and Eugenio Macaluso, Engelhard Corporation
|
2005 / Catalysis |
Three case studies demonstrate how a distributed matrix
structure-based additive enables the conversion of low-valued
heavy-cycle oil and slurry into gasoline and LPG.
More
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