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Steady state simulator to monitor treater performance
Apr-2001
A steady state hydrotreater model was used to monitor the effects of feed quality so that changes in key process factors could be matched against catalyst ...
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Improved performance of the Benfield-HiPure process using process simulation
Oct-2013
Natural gas processing plants are an essential part of the energy industry, providing clean burning fuels and valuable chemical feedstock.
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Retrofitting a glycol contactor to 
prevent carryover
Oct-2013
A revamp of glycol contactor column internals, following CFD studies, resolved problems with gas production caused by glycol carryover
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Mar-2021
Hybrid modelling combines artificial intelligence and processing expertise to develop accurate models of refining processes.
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Mar-2018
Scalable simulation of crude unit operations enables refineries to build increasingly rigorous models to enhance performance
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Oct-2014
When natural gas was to be added to a refinery’s fuel gas system, detailed dynamic simulation of the new system ensured stable operation and a shorter ...
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Estimation of steam losses using a predictive tool
Jul-2010
A predictive mathematical tool estimates condensate flow rate and flow correction factor to obtain steam losses in steam traps
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Comparison of ideal stage and mass transfer models for separation processes
Apr-2012
The design and optimisation of separation processes is carried out using process simulators that utilise various calculation approaches. Two techniques ...
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SO2 breakthrough under the microscope
Jun-2017
Plant simulation reveals that any breakthrough of sulphur dioxide will cause havoc in the tail gas treating unit.
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Managing training simulator projects
Oct-2006
Operator training simulators are not cheap, yet their value in preparing personnel for the fast startup and operation of new process plants is signifi ...
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New process arrangements for upgrading heavy oils and residua
Jan-2014
Simulation studies reveal increased gasoline and diesel production from extra-heavy oil by means of RFCC and hydrocracking units with a mild hydrogenation ...
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Business value of hydrocarbon production accounting
Jan-2015
The gains that a refiner made by implementing an enterprise-wide hydrocarbon accounting system were both financial and cultural
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Predicting severity, viscosity and yields 
in fuel oil visbreaking
Apr-2014
Neuro-fuzzy technique is used to predict product properties in a 
commercial visbreaker
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Oil/water interface control for desalters
Oct-2007
Profiling instrument provides vertical real-time phase density measurement in desalter vessels. Benefits include reduced process upsets from interface ...
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Seven rules of sedimentation in hydrocracking
Apr-2015
Guidelines to mitigate sedimentation fouling in heavy sour crude processing together with case studies illustrating how the improvements are captured.
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Industrial design and optimisation of CO2 capture, dehydration and compression facilities
Mar-2009
On an industrial-scale process, a comprehensive engineering design and optimisation study was conducted for CO2 capture, dehydration and compression facilities ...
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Troubleshooting tail gas amine treaters
Oct-2007
Simulation of a tail gas-treating unit contaminated with sodium and heat-stable salt anions. Comparisons are made between plant performance data and the ...
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SRU simulation getting the properties right
Aug-2016
Reliable, predictive simulation software for SRUs requires recognition of many of the unique properties and behaviours of sulphur.
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Predicting corrosion rates in amine and sour water systems
May-2014
A chemistry-based predictive model predicts corrosion rates in specific processing conditions. Corrosion is a ubiquitous problem in gas treating in the ...
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Value of monitoring exchanger networks
Oct-2012
A rigorous exchanger simulation model can be used to calculate the true cost of fouling in crude preheat networks
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Modelling for ULSD optimisation
Apr-2011
On-line coordination and optimisation of refinery process units led to a 10% increase in middle distillate production
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Rigorous hydrotreater simulation
Apr-2002
The authors describe an integrated approach to dealing with the complexities of producing ultra low sulphur diesel, involving analytical support and process ...
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A two stage approach to controlling fouling on preheat trains at OMV’s Schwechat refinery
Aug-2016
Fouling in heat exchanger preheat trains is a well-known problem in the refining industry. Fouling reduces exchanger performance, increases furnace duty, ...
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Plant optimisation: leveraging data analytics and modelling
Jan-2018
More advanced modelling skills are needed at the design stage to realise the promise of better optimisation
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Analysis and prediction of hydrocarbon dew points and liquids in gas transmission lines
Mar-2006
The occurrence of liquid hydrocarbons in natural gas transmission lines has increased in recent years as a result of the shrinking price spread between ...
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Model Based Definition: What is it and Why?
Apr-2022
Model Based Definition (sometimes Drafting or Dimensioning or Design) is an iteration to mechanical design that uses a CAD generated 3D model with dimensions, ...
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Accelerating the digital transformation
May-2022
The energy and utilities (E&U) industry constantly changes and transforms to comply with government regulations, implement new technologies, and satisfy ...
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Future refinery complexes built using an integrated approach
Nov-2022
Minimise risks of project design changes at later stages using process digital twins during the design phase.
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Nov-2022
Chemical absorption is both technically and economically feasible for biogas upgrading under atmospheric conditions, thereby avoiding the need for com ...
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Kinetic model for TGU hydrogenation reactors: Part 1 model development
Feb-2023
Development of rigorous model for reaction kinetics and catalyst deactivation mechanisms capable of predicting SRU and TGU performance is presented.
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Run length improvement and emissions reduction in delayed coker heaters
May-2023
For many refineries, the delayed coker unit is a vital component of refinery profitability. The tubes used in delayed coker units foul and must be decoked ...
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Ammonia destruction in the reaction furnace
Nov-2016
A study based on reaction fundamentals aids a comparison of the advantages of one-zone and two-zone SRU reaction furnace design in ammonia destruction ...
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The role of tail gas treating unit 
quench towers
Jun-2016
A quench tower cools gas entering a tail gas amine unit but also protects the amine against SO2 breakthrough.
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Countering hydrate formation in an NGL recovery unit
May-2018
Process modelling can be used to validate data from the plant and identify the most effective approach to process optimisation.
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Data operations transform fuels value
May-2019
A refiner applied advanced analytics to develop techniques for processing opportunity crudes which minimise negative effects on the plant.
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SO2 breakthrough under the microscope
Jun-2017
Plant simulation reveals that any breakthrough of sulphur dioxide will cause havoc in the tail gas treating unit.
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Claus waste heat boiler economics Part 1: process considerations
Feb-2019
The design of the waste heat boiler has a critical role to play in determining process operations, reliability and economic performance in the sulphur ...
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Digital twins enhance LNG plant performance
May-2019
Digitalisation technologies offer new and disruptive ways to overcome the challenges of increasing margin, reducing carbon emissions and addressing talent ...
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Preventing ingress of HCN into 
amine systems
Jul-2013
Simulation studies provide guidelines on how to avoid contamination of refinery amine systems by hydrogen cyanide
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Real-time total chlorine monitoring to ensure optimal desalter performance
May-2019
Chlorides are always present in raw crude oils and their concentrations vary greatly. Depending on origin, transportation methods, and process conditions, ...
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Where transparency-driven value comes from
Jan-2020
Safe and sustainable operation is a key factor for the profitability of every processing business, such as a petroleum refinery.
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Field experience with a Claus furnace checker wall
Jan-2014
A new design of Claus furnace checker wall delivers improved mechanical performance and process flow characteristics.
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Simulation of bitumen upgrading processes
Apr-2013
Two bitumen upgrading processes currently used in the Canadian oil sands industry were investigated using modelling and simulation techniques
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Consider multivariate statistical modelling to maximise FCC unit profitability
Nov-2013
Process models(a) and simulation(b) can be used to simulate the fluidised-bed catalytic cracking (FCC) unit process, kinetic or multivariate statistical ...
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Revamping the hydrogen generation unit
Apr-2014
Hydrogen plants can be modified for higher production by employing innovative process schemes
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Accurate prediction of tower relief
Apr-2014
A comparison of conventional and dynamic simulation methods applied to a project to debottleneck a deisobutaniser
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Predicting corrosion rates in amine and sour water systems
May-2014
A chemistry-based predictive model predicts corrosion rates in specific processing conditions. Corrosion is a ubiquitous problem in gas treating in the ...
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Predicting process performance through an online platform
Sep-2021
Digitalisation has potential benefits across the oil and gas value chain. The InFocus™ Online Platform allows ExxonMobil Catalyst and Licensing LLC’s ...
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New process arrangements for upgrading heavy oils and residua
Jan-2014
Simulation studies reveal increased gasoline and diesel production from extra-heavy oil by means of RFCC and hydrocracking units with a mild hydrogenation ...
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Overcoming tight emulsion problems
Oct-2014
A refiner’s trials of a membrane coalescence mechanism were scaled up to plant level and delivered significant product recovery from tight aqueous e ...
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Molecular management for refinery-petrochemical complexes
Aug-2020
Designing a digital twin for process simulation of an integrated complex enables enhanced molecular management to deliver higher margin.The future comprises ...
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Cutting the cost of refinery process control and CEMS gas analysis
Aug-2020
Developments in equipment functionality to reduce maintenance costs, innovative service delivery which can enable outsourcing and an array of digital solutions ...
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Cross-unit APC boosts downstream performance
Jul-2020
Manipulating advanced process control in a crude unit reduced constraints in a downstream diesel hydrotreater
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Increase duty in tube side condensers
Jul-2020
A retrofit is shown to improve several aspects of tube side condensation processes.
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Downtime damages environmental performance too
Jul-2020
Advanced technologies can reduce the environmental impact of unexpected shutdowns.
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Where transparency-driven value comes from
Jan-2020
Safe and sustainable operation is a key factor for the profitability of every processing business, such as a petroleum refinery.
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Nature of errors in machinery diagnostics
Jan-2020
A reliability theory has been developing for almost 70 years, and all the time scientists, engineers and practitioners attempt to point out an instance ...
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Fouling and cleaning analysis of a heat exchanger network
Dec-2019
Analysis of a complex heat exchanger network employs a digital twin model to establish a programme for fouling and cleaning.
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Simulation of Claus unit performance
Nov-2019
Simulating a sulphur recovery unit using a fundamental approach enables the effects of process changes on a host of performance metrics to be reliably ...
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Digitalisation is only scratching 
the surface
Nov-2019
Digitalisation usually means upgrading a few elements of technology or workflows, leaving a partial digital twin when a holistic approach is needed.
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Best practice for refinery flowsheets
Aug-2019
Refinery-wide flowsheets can demonstrate the true representation of changes in key operating variables and their associated impact on refinery operati ...
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Jul-2019
The availability of devices capable of creating an image of the infrared radiation emitted by an item of process equipment such as the CO2 absorber in ...
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Real-time total chlorine monitoring to ensure optimal desalter performance
May-2019
Chlorides are always present in raw crude oils and their concentrations vary greatly. Depending on origin, transportation methods, and process conditions, ...
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Claus waste heat boiler economics Part 2: mechanical considerations
May-2019
The design of a cost effective waste heat boiler faces many, often opposing factors affecting the performance and reliability of the exchanger.
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Digital twins enhance LNG plant performance
May-2019
Digitalisation technologies offer new and disruptive ways to overcome the challenges of increasing margin, reducing carbon emissions and addressing talent ...
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Data operations transform fuels value
May-2019
A refiner applied advanced analytics to develop techniques for processing opportunity crudes which minimise negative effects on the plant.
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Claus waste heat boiler economics Part 1: process considerations
Feb-2019
The design of the waste heat boiler has a critical role to play in determining process operations, reliability and economic performance in the sulphur ...
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Hydrocarbon Processing Gas Analysis Magazine - Issue 4 2019
Jan-2019
Accurate, reliable oxygen (O2) measurements are essential in many HP applications, delivering the readings that support process efficiency, safety and ...
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Tray revamp restores crude column performance
Jan-2019
Retrofitting the packed top section of a crude atmospheric tower with high capacity trays improved separation efficiency
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Logistics of personnel movement by elevator
Jan-2019
During a construction project time is money, and that includes time waiting for elevators to the workplace.
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An overview of Honeywell’s layered optimisation solution
Nov-2018
Advanced process control (APC) and real-time optimisation (RTO) tools have become necessary technologies for today’s process operating companies to compete ...
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Predictive analytics in incident prevention
Sep-2018
Predictive analytics can support risk management by identifying where failures are likely to occur and what can be done to prevent them.
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Hydrocarbon Processing Gas Analysis Magazine - Issue 3 2018
Jul-2018
Hydrocarbon processing (HP) is one of the most demanding industries in the world. To support customers in facing the challenges of this market, Servomex ...
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Heavy feed characterisation: a molecular approach
Jun-2018
Characterising heavy feeds on a molecular basis, together with kinetic studies, accurately predicts the reactivity of a wide range of vacuum residues.
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Boosting energy efficiency in aromatics processing
Jun-2018
Simulation of a revamped process scheme with improved heat integration indicates big gains through energy savings and emissions abatement.