|
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| Recycling of precious metal catalysts |
Christian Hagelüken Michel Verhelst, Umicore Precious Metals Refining |
2004 / Catalysis |
A look at the best available technologies for efficient and environmentally sound recycling of complex spent catalysts used in both oil refining and petrochemical processes
More
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| Catalyst bed protection |
Damien R MacCord, RPA Process Technologies
|
2004 / Catalysis |
Liquid filtration systems protect fixed-bed reactors from contamination, leading to extended catalyst life and longer run lengths. Major factors to consider when selecting a filtration system are discussed
More
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| Assessing catalyst quality |
Pierre Dufresne Fréderic Jardin François Locatelli, Eurecat SA
|
2004 / Catalysis |
Increases in ultra-low sulphur fuel production will require new catalytic tests to assess the reusability of regenerated HDS catalysts. New surface area and activity correlations needed for these tests are discussed
More
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| Maximising hydrocracker profitability |
Mike Gunter Criterion Catalyst Company
Diana Altrichter Zeolyst International
|
2004 / Catalysis |
Hydrocracking unit product quality and yields improve with stacked
bed loading technology. The catalysts loaded in each bed are customised
for changes in reactor conditions encountered throughout the unit’s
typical run length
More
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| Raising FCC catalyst circulation |
Warren Letzsch David Banks, Stone & Webster Inc
|
2004 / Catalysis |
Extra cat feed and increased profits with quality products can come
from improved catalyst circulation as a result of better slide-valve
pressure differential, optimised standpipe diameter and withdrawal well
design
More
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| Pre-treatment improves FCC performance |
Per Zeuthen Haldor Topsøe A/S
|
2004 / Catalysis |
Feedstock hydrotreatment catalyst provides improved HDS and HDN
activity at various unit operating pressures. The resulting economic
benefits are gained through better product yield structures and longer
pre-treatment cycles
More
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| Maximisation of FCCU LPG olefinicity |
José Marchena José Manuel Llanes Mari Fe Elía CEPSA
Sergio Sobrinos Fernando Sánchez Grace Davison
|
2004 / Catalysis |
A 35 per cent increase in C3/C4 olefins yield was achieved by a
refinery in Spain using the right combination of operating variables,
additives and catalysts without changing the reactor-regenerator
configuration
More
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| Advanced FCC catalysts for VGO applications |
Ray Fletcher Akzo Nobel Catalysts bv |
2004 / Catalysis |
High-accessibility catalysts allow more difficult feedstocks to be
processed through the FCC. These new formulations can add considerable
value to refiners running more conventional feeds, but who may have
hardware or operating constraints limiting unit performance
More
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| Optimising FCC unit performance |
Hugh Niblock BP
Marius Vaarkamp Maarten van Vliet Engelhard Corporation
|
2004 / Catalysis |
Additive currently used in several FCC units increases
conversion and gasoline yield without exceeding coke or gas limits. The
resulting operating flexibility provided by the additive at an
Australian refinery is discussed
More
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| FCC catalyst evaluation |
Sanjay Bhargava KBC Advanced Technologies Ltd
|
2004 / Catalysis |
A post audit at a Japanese refinery using a proprietary FCC model
and catalyst-evaluation methodology determines a real improvement in
profitability. The methodology for isolating the effect of catalyst
alone on FCC yields is discussed
More
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| Gasoline sulphur removal and olefins reduction |
Fang Xiangchen Zhao Leping Hu Yongkang FRIPP/SINOPEC
Guo Hongchen Dalian University of Technology
|
2004 / Catalysis |
Newly developed olefins-to-aromatic-and-alkylate technology
significantly reduces the amount of sulphur and olefins in full-range
FCC gasoline, resulting in higher gasoline yields and low road octane
More
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| Advances in hydrogen plant catalyst |
Peter V Broadhurst Johnson Matthey Catalysts
|
2004 / Catalysis |
Catalysts have a significant impact on steam-reforming plant rate and reliability. Catalyst selection depends on feedstocks, operating conditions and reformer design. Important criteria include activity, shape and size of the catalyst
More
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| Optimised hydrogen production |
Jürgen Bezler Süd-Chemie AG, Catalytic Technologies
|
2004 / Catalysis |
This article describes advances in steam-reforming catalysts for meeting the increased demand for hydrogen in refinery operations. Retrofit options such as installation of a pre-reformer are also discussed
More
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| A forward look at the refinery of the future |
Calvin B Cobb Invensys Inc
|
2004 / Q2 |
A forecast of the way business and operating fundamentals in a
long-established industry are likely to affect future technical
applications. The author sees present and emerging technology providing
the adaptability to deal with plant disruptions
More
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| Refinery hydrogen Management |
Ruth A Davis and Nitin M Patel Air Products and Chemicals Inc
|
2004 / Q2 |
Managing current hydrogen infrastructure and planning for future
requirements requires careful selection of the best combination of
recovery, expansion, efficiency improvements, purification and new H2
supply options
More
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| Selecting partial oxidation in refining |
Peter Hatchman and Martin Williams BP
Tony Collins Simon Minge Mike Berg BOC
|
2004 / Q2 |
BP’s refinery at Brisbane is meeting clean fuels specifications as a
result of improvements to key process units. Collaborative efforts have
increased hydrogen production from partial oxidation, including the use
of heavier feedstocks
More
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| Hitting ULS targets through hydrogen management |
Wolfgang Hofer, OMV AG
Ian Moore , Aspen Technology Inc
Paul R Robinson , Air Liquide America
|
2004 / Q2 |
Simulation, optimisation and identification of projects for the
hydrogen system at an Austrian refinery has helped to improve its
potential of over †5 million a year. The authors describe the
methodology applicable to hydrogen networks
More
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| Handling vent gases in sulphur plants |
Mahin Rameshni Parsons Energy & Chemicals Group Inc
|
2004 / Q2 |
A review of methods to reduce emissions from vent gas systems such as
sulphur storage tanks and SO2 streams. Ways to increase sulphur
recovery capacity, and the design criteria for achieving emissions
requirements, are also discussed
More
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| Role of carbon capture in CO2 management |
Tony Creek Foster Wheeler Energy Ltd |
2004 / Q2 |
Gasification of low-value refinery residuals could be used to raise
utilities and hydrogen, allowing the relatively easy capture of half
the plant’s CO2 emissions. LP modelling also helps to examine balances
between SOx and CO2 emissions
More
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| Reducing gasoline sulphur with additives |
Michael K Maholland Intercat Equipment Inc
|
2004 / Q2 |
Evolution of regulations in an era of limited capital has led to the
development of catalyst additive technologies to reduce FCC gasoline
sulphur. These additives can help to avoid more expensive
sulphur-reducing options such as pretreatment
More
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| Tradeoffs: unit availability vs capital expenditure |
Marty Moran and Hollis Bond Clockwork Solutions |
2004 / Q2 |
An analysis process helps to determine production bottlenecks as they affect availability and reliability. In this case, it will help to determine how a given amount of capital could be optimally spent to increase gasoline pool availability
More
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| HDS benefits from plate heat exchangers |
Peter Barnes PBA Consulting
Pierre-Xavier Bussonnet and François Reverdy Packinox
|
2004 / Q2 |
Case studies illustrate benefits of plate heat exchangers versus shell and tube heat exchangers in hydrodesulphurisation units. Direct benefits include significant reductions in the operating duty of fired heaters and product coolers
More
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| Mechanical equipment and the ATEX Directives |
Andy Hollins ABB Engineering Services |
2004 / Q2 |
European Union requirements for operating mechanical equipment in potentially flammable atmospheres present major compliance issues for users and suppliers. This article provides guidelines for the appropriate measures to ensure compliance
More
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| Worldwide trends in RAM improvement |
J Patrick Williams KBC Advanced Technologies Inc
|
2004 / Q2 |
A review of the improvements in plant reliability, availability and maintenance that have taken place to ensure better and sustainable results in a competitive market. Proactive, risk-based strategies are presented, with case studies
More
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| Maximising gas plant capacity |
Tony Barletta and Scott Fulton Process Consulting Services Inc |
2004 / Q2 |
Water entrapment and foaming must be avoided to maximise LPG recovery and minimise downstream unit contaminants. Fundamental process and equipment design principles that cause water entrapment and foaming are reviewed
More
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| Fluidised catalytic cracker hydrotreater revamp |
Raj Patel Haldor Topsoe Inc
Howard Moore Harrell Duff Brian Hamari Marathon Ashland Petroleum LLC
|
2004 / Q2 |
Primary revamp of reactors, exchangers and other FCC pretreater components provided return on investment for a complex refining facility. Improved FCC yields, even from heavier feedstocks, increased the facility’s ULS fuels capacity
More
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| Alternative routes to paraxylene production |
Jacques Rault Christian Dupraz Françoise Montecot Axens
|
2004 / Q2 |
An integrated refining and petrochemical approach to paraxylene manufacture from various feedstocks, such as excess aromatics in reformate or pyrolysis gasoline. A paraxylene production complex is reviewed and its component units described
More
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| New technology to produce ethyl acetate |
Mike Tuck and Mike Ashley Davy Process Technology
|
2004 / Q2 |
Ethanol dehydrogenation to ethyl acetate allows a wider choice of feedstocks. Miniature process units reproduced the conditions for a full-scale plant with modules to investigate factors of process development and engineering design
More
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| Membrane separation for clean fuels |
Xinjin Zhao and Gautham Krishnaiah Grace Davison
Todd Cartwright CB&I Process and Technology
|
2004 / Q3 |
An illustration of how membrane separation technology can be
integrated into a clean fuel strategy at low capital cost relative to
hydrotreating. Effective sulphur removal from certain naphtha streams,
avoiding the octane penalty, is described
More
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| Fundamentals of ULSD Production |
Salvatore Torrisi, Jr, and P Michael Gunter Criterion Catalysts & Technologies LP
|
2004 / Q3 |
Determining the best course for producing ULSD depends on four
factors – chemistry, composition, reaction conditions and catalysis.
Guidelines are offered for effective strategies and for deciding how to
optimise future ULSD operations
More
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| The role of hydrogen in clean fuels |
Visnja Gembicki Cara Roeseler Chris Anderle Neriman Baykal-Agosta Terry Adamopoulos UOP LLC
|
2004 / Q3 |
A typical refinery configuration is used to show changes in the
utilisation of hydrogen from 1990 to the present, with a look into the
future. Process strategies to achieve more efficient use of hydrogen
under future regulations are presented
More
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| Pretreatment of resid FCC feedstocks |
Byron G Johnson ConocoPhillips Company
Brian M Moyse Haldor Topsoe Inc
|
2004 / Q3 |
How a refinery optimised hydrogen consumption to raise API “shift”,
enhancing FCC economics. The effect of heavy feedstock reactivity on
the operation of refinery units, and its impact on current and future
operations, is discussed
More
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| Chemical treatment to solve FCCU problems |
Sandra Garcia-Swofford Nalco Energy Services |
2004 / Q3 |
From fouling and catalyst carryover to high feed nickel levels and
varying feed qualities, FCCU problems can be solved quickly and cost
effectively, says the author, through a well-designed and properly
applied chemical programme
More
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| A range of options for resid conversion |
Warren S Letzsch and John Lauritzen Stone & Webster Inc
|
2004 / Q3 |
Resid cracking through the FCC can be cost effective with
improvements in hardware, catalyst and operational knowledge.
Strategies for processing residual streams with units working in full
and partial combustion modes are discussed
More
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| Statistical process control in FCC operations |
J W (Bill) Wilson Barnes & Click Inc |
2004 / Q3 |
Statistical process control techniques can be used in analysing and
monitoring FCCUs. The author gives examples of the use of XmR charts in
evaluating catalyst performance data and coke yield, and reviews other
possible applications
More
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| FCC additive demonstrations: Part 1 |
Guido W Aru Intercat Inc
|
2004 / Q3 |
A review of the issues associated with the FCC additive testing,
data collection and analysis required by the US Environmental
Protection Agency’s consent degrees. There are lessons for refiners in
successful testing and demonstration
More
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| Inner workings of the FCC stripper |
Henrique S Cerqueira Claudia M L A Baptista José M Fusco
Petrobras Research and Development Center (CENPAS)
|
2004 / Q3 |
Based on large-scale pilot plant and commercial FCC data, the
authors consider the influence of operational variables in catalyst
stripability, including the use of sampling and radiotracer techniques
More
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|
| Advantages of profit centred maintenance |
Jeffrey Ray Fluor
|
2004 / Q3 |
An explanation of how profit centred maintenance can be implemented
in an existing facility, and how it can virtually pay for itself using
systematic failure elimination and performance-based contracting
More
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| Producing low sulphur gasoline |
Adrian Humphries Pieter Imhof Chris Kuehler Terry Reid
Akzo Nobel Catalysts LLC |
2004 / Q3 |
A practical and economic comparison of crude quality, pre-treating,
post-treating, FCC additives and sulphur credit options. Solutions to
meeting future gasoline specifications could involve a combination of
these options
More
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| Compressor vibration Analysis |
A Eijk TNO TPD
Georg Samland Nicole Retz Daniel Sauter Burckhardt Compression AG |
2004 / Q3 |
Compressor manifold vibration analysis can be done economically using a finite element substructuring technique generated from CAD models of compressor parts. Examples are given, demonstrating an accurate analysis according to API 618
More
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| Centrifugal compressor operations |
Tony Barletta and Scott W Golden Process Consulting Services Inc |
2004 / Q3 |
The wet gas compressor is used as an example in this article reviewing compressor performance, operating conditions and basic control philosophy – an aid to understanding the interactions influencing compressor performance and control
More
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| Choosing a neutralising amine corrosion inhibitor |
Philip R Petersen Petersen Consulting
Samuel A Lordo and Gregg R McAteer Nalco Company |
2004 / Q3 |
A review of physical and chemical properties of commonly used amine-based corrosion inhibitors. The authors highlight the relative strengths and weaknesses of amines, particularly with regard to corrosion caused by hydrochloric acid
More
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| Further advances in light hydrocarbon fractionation |
Waldo de Villiers and Jose Bravo, Shell Global Solutions (US) Inc
Peter Wilkinson, Shellglobal Solutions International
Daniel Summers, Sulzer Chemtech |
2004 / Q3 |
Recent developments in high capacity distillation trays focus on increasing capacity in fixed tower sizes in refineries and chemical plants. C2 and C3 splitter revamp case studies illustrate the potential of improved fractionation technology
More
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| Engineering gas-to-liquids projects – Part 1 |
Simon C Clarke Foster Wheeler Energy Ltd
|
2004 / Q3 |
An insight into the R&D, optimisation and engineering activities needed to take Fischer-Tropsch pilot plant data through all development stages, from “ballpark” scoping to the more detailed levels of engineering definition
More
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| Repositioning pygas, octane and toluene |
Mark Fisler Chemical Market Associates Inc
|
2004 / Q3 |
Sulphur regulations are exerting new pressure to retain aromatics in the gasoline pool. As a result, new molecules may need to be sourced for aromatics. The author discusses how current and future configurations will be used to meet demand
More
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| 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
More
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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
More
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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
More
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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
More
|
|
|
| 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
More
|
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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
More
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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
More
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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
More
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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
More
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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
More
|
|
|
| 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
More
|
|
|
| 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
More
|
|
|
| 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
More
|
|
|
| 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
More
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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
More
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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
More
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|
| FCC gas plant stripper capacity |
Dave Langdon, Total Lindsey Oil Refinery (LOR) Ltd
Tony Barletta and Scott Fulton, Process Consulting Services Inc |
2004 / Revamps |
Deethaniser operating difficulties can be caused by water phase formation, water entrapment, foaming and other factors. "Short-term" capacity improvements implemented at one refinery were able to eliminate these difficulties.
More
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| Revamping automation systems |
Terry Gebert, Ronnie Villarreal and Frank R Whitsura, Honeywell |
2004 / Revamps |
To achieve a safe and profitable upgrade, the many factors affecting revamp project scope must be taken into account. The authors focus on the automation components that maximise performance of process equipment.
More
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| Process Equipment specification and selection |
Christopher F Dean, Saudi Aramco
Scott W Golden and Richard E Pulley, Process Consulting Services |
2004 / Revamps |
Process design as well as equipment specifications and selection can cause unintended problems following unit revamps. Identification of the true constraints may result in significant capital savings.
More
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| Conditions influencing coke formation |
Tony Barletta, Process Consulting Services Inc
|
2004 / Revamps |
Hotspots in fired heaters can lead to accelerated rates of coking and tube failure. Two examples show how integrating fireside and oil-side calculations can help identify and correct conditions leading to high localised peak flux rates.
More
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| Steam reboiler system operations |
Ken Weston, CITGO Petroleum Corporation
Steve White, Process Consulting Services Inc |
2004 / Revamps |
Basic heat exchange principles are used to explain gas plant thermosiphon reboiler hydraulic constraints. Field measurements help clarify "off-design" operations that were not apparent and were causing high condensate levels.
More
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|
| Producing sulphur-free diesel |
Gordon Low Haldor Topsoe Inc
Jamie Townsend and Tim Shooter BP |
2004 / Revamps |
A systematic approach to revamping a low-pressure HDT. 10 ppm diesel production at the BP Coryton refinery was possible without the expense of building a new high-pressure unit.
More
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|
| Vacuum ejector performance break |
Norm Lieberman, Process Improvement Engineering
Edward Hartman and Daryl Hanson, Process Consulting Services Inc |
2004 / Revamps |
Understanding vacuum ejector performance is the key to maintaining reliability and distillate yields. A low VGO yield may result from a breaking ejector system, but bypassing a fouled inter-condenser can restore lost yield.
More
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|
| Targeting overhead exchanger failures |
Richard Mathers, Nalco Energy Services LP |
2004 / Revamps |
A complete risk assessment of severe crude unit overhead corrosion reduced corrosion-related failures. Costly equipment upgrades were avoided and significant savings generated without any increase in operating expenditure.
More
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| Refocusing on refinery profit |
Simon Calverley, KBC Process Technology Ltd |
2004 / Q1 |
Value-generating strategies must be balanced between profit focus,
yield constraints and cost savings. Techniques presented here
consider increasing profit from yields, balanced against energy
costs.
More
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|
| Improved control of fluegas emissions |
Jeffrey Sexton, Marathon Ashland Petroleum
Nicholas Confuorto, Belco Technologies Corporation
Michael Barrasso, BOC Process Gas Solutions |
2004 / Q1 |
A proprietary selective low temperature oxidation technology
combined with a wet scrubbing system, was applied to a refinery's FCC
unit regenerator fluegas, resulting in maximum NOx reduction with no
loss of SOx scrubbing performance.
More
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|
| Balancing octane and hydrogen with ULS fuels |
Jay Ross, Axens North America |
2004 / Q1 |
Options for improving older, semi-regenerative catalytic reformers
and new CCR based reformers, combined with more effective
isomerisation, allow refiners to process straight run and cracked
stocks while adding more octane to the gasoline.
More
|
|
|
| Using process technology to increase clean fuel yields |
Vasant P Thakkar, Tom N Kalnes, Terry L Makrer, UOP LLC |
2004 / Q1 |
A new approach to the treatment of FCC feed that increases ultra low
sulphur diesel yield is shown in an Asian refinery case study.
The method breaks the link between hydrogenation and cracking functions
and offers a three-year payback.
More
|
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|
| Approaches to alkylation: a world review |
Pamela S Pryor, Stratco. |
2004 / Q1 |
Developments in alkylation technology are being influenced by many
factors - not least, fuel specifications - and at a time when many
refiners are considering conversion of HF units for safety reasons,
alkylation capacity must be increased.
More
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| Justification of online optimisation |
Lee Turpin, Aspen Technology Inc |
2004 / Q1 |
Defining the optimisation problem and creating a computer model to
generate benefits in different scenarios will result in a reliable
estimate of what is achievable through the implementation of online
optimisation.
More
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|
| An alternative option for producing light olefins |
Amy S Len and Tony Pavone, SRI Consulting |
2004 / Q1 |
Examination of a process using a fluidised catalytic reactor system
to convert low value feedstocks into higher value propylene and
ethylene products.
More
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| Advanced process control re-engineering. |
Ulrich Rejek and Blaine Tookey, BP Oil
Steve Park, Sean Goodhart, Steve Finlayson, Applied Manufacturing Technologies |
2004 / Q1 |
Update on a refinery's model predictive control application that resulted in maximised FCCU feed while the unit was pushed against key constraints such as regenerator excess oxygen and main fractionator reflux temperature.
More
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| Advanced control for solvent extraction |
Bruce Wilson, Suncor Energy Products Inc
Birendra Das Biswas, Aspen Technology Inc |
2004 / Q1 |
A case study of multivariable control in a BTX solvent extraction unit. It includes a process overview with an examination of controller design and sub-controller concepts, together with a reference to future improvement with automated testing.
More
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| Online optimisation to improve performance |
Jay Jackson, Mike Piatt, Charles Timmons, CITGO Refining and Chemicals LP
Paul Fountain and Randy Wagler, Honeywell Hi-Spec Solutions |
2004 / Q1 |
An account of how a refinery, using an online optimisation system for maximising production and increasing operational flexibility, improved its profitability by increasing throughput, reducing costs and improving product quality.
More
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| Making the most of asset performance. |
Mark Dolphin, Datastream Systems |
2004 / Q1 |
Described as a new tool in the war agains inefficiency, asset performance management (APM) is intended to ensure that the most appropriate systems are in place to provide key information at the right time to the right people.
More
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| Selecting key performance indicators for strategy |
Richard Beck and Rod Oliver, Meridum Inc |
2004 / Q1 |
Measuring and using the right key performance indicators aligned with specific objectives, linked to overall corporate objectives, can improve reliability and asset performance work processes and strategies in the petrochemical industry
More
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|
| Modularised technology for GTL applications |
J Richard Hensman and Mike Ashley, Davy Process Technology |
2004 / Q1 |
A new gas-to-liquid plant designed to convert natural gas to liquid fuel or syncrude has shown how technical developments, such as smaller reformers, can bring efficiency, simplicity and reduced plant size and improve quality of product.
More
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| Producing fuels from Fischer-Tropsch Waxes |
Zhong Zhou, Yulong Zhang, John W Tierney, Irving Wender, University of Pittsburgh |
2004 / Q1 |
Hybrid catalysts made by combining zeolites with platinum-promoted tungstate-modified zirconia provide a promising way to obtain higher catalytic activity and higher selectivity for desired fuel products.
More
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| Increasing value from steam cracker olefin streams |
Marco Tagliabut, Marco Ferrari, Paolo Pollesel, EniTecnologie SpA |
2004 / Q1 |
The autors present two different strategies for increasing the value of C4-C5 streams from steam cracking, by conversion into BTEX aromatics or propylene: a technology based on two novel catalysts is described.
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