A comparison of physical solvents for acid gas removal

Mar-2008

Physical solvents such as DEPG (Selexol or Coastal AGR), NMP or N-Methyl-2- Pyrrolidone (Purisol), Methanol (Rectisol), Propylene Carbonate (Fluor Solvent) ...

Optimisation of a diesel 
hydrotreating unit

Jan-2015

A model based on operating data is used to meet sulphur product specifications at lower DHT reactor temperatures with longer catalyst life

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

Refining/petrochemical integration: a new paradigm

Sep-2013

The global trend in motor fuel consumption favours diesel over gasoline. There is a simultaneous increase in demand for various petrochemicals such as ...

Light tight oil crude comparison

Mar-2015

The production method for Eagle Ford and Bakken is via fracturing of the tight or shale formations in two different North America regions. Crude from the ...

Deep-cut vacuum unit design

Oct-2005

Process modelling and equipment know-how are needed to design deep-cut vacuum units that operate reliably at high temperature and low pressure

Revamping the hydrogen generation unit

Apr-2014

Hydrogen plants can be modified for higher production by employing innovative process schemes

Protecting compressors with dynamic simulation

Apr-2014

Dynamic simulation supports reliable operation of compressor installations to deliver maximum plant availability and productivity

Canadian crude processing challenges

Jan-2008

Vacuum unit design influences liquid volume yields, run length, product 
yield and product quality when processing bitumen crude oils

COS and mercaptans removal from gases

Apr-2023

Challenges with removing trace sulphur species can be better understood and resolved with a new kinetic model validated by plant data in its ability to ...

Impact of acid gas loading on the heat of absorption and voc and btex solubility in amine sweetening units

Mar-2007

In amine sweetening units, the heat of absorption and VOC and BTEX solubility have been found to vary significantly with acid gas loading, as well as with ...

Improving CO2 absorber performance in LNG production

Apr-2015

Simulation of deep CO2 removal in LNG and syngas applications, combined with intercooling, maximises effectiveness of piperazine-promoted MDEA solvent ...

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 ...

Optimising crude 
unit design

Apr-2009

Real retrofit examples demonstrate how crude units can be successfully optimised with the crude slates currently being processed. Process design strategies ...

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

Energy network monitoring and optimisation

Jun-2021

A software program for optimisation of an energy network supports decisions on equipment use in refineries that produce and import power.

Optimising safety relief and flare systems

Apr-2011

Understanding the behaviour of refinery units by dynamic modelling of emergencies enables the prediction of realistic relief loads

Accurate prediction of tower relief

Apr-2014

A comparison of conventional and dynamic simulation methods applied to a project to debottleneck a deisobutaniser

Applying pinch technology to 
energy recovery

Oct-2013

A pinch technology-based study of heating and cooling of material streams in a large-scale olefins plant identifies major opportunities for energy sav ...

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 ...

Crude column relief mitigation

Oct-2011

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 ...

Accuracy of measured lean amine 
H2S loading

May-2018

When solvent regeneration is done robustly the most accurate assessment of lean loadings can be by simulation rather than by measurement.

FCC catalyst optimisation in response to rare earth prices

Oct-2011

Lower levels of rare-earth catalyst formulations offset higher raw material costs, but refiners must consider the effects on catalyst performance and ...

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.

Tube alloy degradation in a steam cracking furnace

Apr-2015

Understanding catalytic coke growth mechanisms to better predict and optimise furnace service times with tube alloy degradation

Tube alloy degradation in a steam cracking furnace

Apr-2015

Understanding catalytic coke growth mechanisms to better predict and optimise furnace service times with tube alloy degradation

Monitoring and simulation resolves overhead corrosion

Mar-2016

Online corrosion monitoring in tandem with simulation modelling identified the root cause of corrosion in a crude unit overhead

Impact of light tight oils on distillate hydrotreater operation

Apr-2016

Addressing the range of challenges brought to diesel and jet production by light tight oil processing

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.

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 ...

Downtime damages environmental performance too

Jul-2020

Advanced technologies can reduce the environmental impact of unexpected shutdowns.

Increase duty in tube side condensers

Jul-2020

A retrofit is shown to improve several aspects of tube side condensation processes.

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 ...

Troubleshooting premature tower flooding

Aug-2020

Thorough analysis of field data and tray hydraulics together with gamma scanning were key factors in the successful troubleshooting of premature flooding ...

Planning to counter economic turbulence

Sep-2020

Synchronising engineering and planning models should be a key aim to support the resilience and agility needed for economic recovery

HDXRF vs ICP for nickel and vanadium in crude oil

Sep-2020

Technology introduced over the last decade, such as horizontal drilling and hydraulic fracturing, has led to new sources of light tight oil (LTO). LTO ...

Detecting leaking PSVs helps a refiner avoid potential emission fines and penalties

Sep-2020

A Tracerco Diagnostics™ Leak study identifies leaks resulting in massive savings from environmental fines, without any interruption to production.

Tru-Scan™ identifies abnormal process conditions and helps optimise vessel efficiencies

Sep-2020

Tru-Scans™ provide valuable data aiding operations in achieving 115% of unit capacity

Baseline scans prove critical in diagnosing any potential future column problems

Sep-2020

A baseline scan establishes a reference point, a historical marker for column performance

ThruVision™ scans are the next step to investigate liquid maldistribution

Sep-2020

ThruVision™ technology allows for a complete understanding of liquid distribution, saving days of production losses and massive costs of a unit shut ...

Pre-turnaround scans enable better critical path planning

Sep-2020

Tru-Scan™ and Tru-Grid™ Scan results help determine whether to enter a particular column during the turnaround outage or remove it from the critical ...

Tru-Grid™ scans detect solids build-up to assist in determining the appropriate maintenance path

Sep-2020

PackView™ liquid retention scale included on Tru-Grid™ Scan results provide customers the amount of build-up, relative density and growth patterns ...

Increase production rates with Tracerco’s FrothView and Tru-Scan technologies

Sep-2020

How Tru-Scan™ and FrothView™ results help increase production, and remove the debutanizer tower, which seemed to be the bottleneck for the unit.

Use of CFD modelling to improve burner design and operation

Dec-2020

Computational fluid dynamics (CFD) modelling can be used as an efficient and low-cost alternative to improve the design and operation of a new burner.

The intelligent midstream

Mar-2021

Oil and gas operations success hinges on digital transformation. Between diverse business models and fluctuating market and regulatory pressures, every ...

Amine anomaly in a mild hydrocracker

Jun-2021

Simulation and operational changes help to crack the riddle of frequent amine carry-over from a high pressure amine absorber.

Improve profit with augmented digital twins

Aug-2021

Artificial intelligence and machine learning deliver greater, more sustainable value from simulation models.

Modelling and optimising bitumen hydrocracking

Nov-2021

A rigorous hydrocracking model for the quoted catalysts is used for predicting hydrogen consumption and product yields to maximise operating revenues.

Value engineering: a continuous front-end process (ERTC)

Dec-2021

The concept of front-end loading of projects is not new, where robust planning and design early in a project’s lifecycle helps to influence changes in ...

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, ...