ARTICLES
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Understanding centrifugal compressor performance
Apr-2002
In a connected process system, expensive changes to the compressor and driver can be avoided with system debottlenecking modifications
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Improving the distillation energy network
Oct-2013
Energy-efficient design applied to the refit of a distillation unit was achieved through optimisation between the distillation column and heat network ...
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Optimising pumparound reflux for zero-cost energy savings
Apr-2012
By increasing pumparound ratios in principal units, refinery engineers were able to recover energy for process heating and reduce stack emissions
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Installing a power recovery system on FCC or RFCC units
Jan-2010
Full examination of the design options and operating issues related to the installation of a PRS on a FCC or RFCC unit will increase energy efficiency ...
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Apr-2012
Operators of process equipment have an obligation to understand the existing and future potential for unit reliability and operability.
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Process and energy analysis for cost savings and CO2 reduction
Jul-2010
Applying heat pinch technology and process know-how to maximise energy savings. In an increasingly carbon-conscious market, improving energy efficiency ...
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Process improvements in the direct hydration of olefins to alcohols
May-2014
Synthetic alcohols produced by direct hydration have wide application in the process industries as solvents, in the production of cosmetics and as intermediates ...
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Future of opportunity crudes processing
Oct-2011
Five critical drivers help refiners remain profitable and sustain long-term business goals while processing relatively inexpensive, low-quality crudes
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Refinery energy efficiency and environmental goals
Jul-2002
Cheaper fuels do not always reduce costs, say the authors, and an alternative is cogeneration. It is argued that fuel saving programmes and cogeneration, ...
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Using pinch technology in operations?
Sep-2013
Pinch Technology is a well established concept, and a tool used to optimise waste heat recovery and design efficient heat integration schemes in a wide ...
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Crude oil sourcing: price and opportunity
Apr-2017
Sourcing crudes for the best refining margin needs to be supported by a detailed procurement strategy.
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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 ...
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Using cold boiler feed water for energy recovery
Jan-2012
Feeding membrane deaerated cold boiler feed water to appropriate units will enable waste heat to replace substantial steam duty in a refinery
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SMR integration with increased CO2 production
Feb-2020
Optimising the efficiency of a plant producing hydrogen by natural gas reforming reduces CO2 emissions and lowers fossil fuel consumption.
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Optimising preflash for light tight oil processing
Jul-2015
For a crude unit handling light tight oil feedstock, a semi-preflash column can deliver significant advantages in energy saving, capacity gain and revamp ...
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When excess air becomes too much
Jul-2020
Excessive use of excess air impacts operating costs through fuel efficiency, furnace reliability, and stack emissions
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Using APC in refinery energy systems – develop your own solutions
Oct-2013
Advanced Process Control (APC) has been used extensively to assist in operating refinery and petrochemical processes smoothly, safely and profitably.
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Practical flare gas recovery for minimising flaring
Apr-2015
Flares play a critical role as a safety device in refineries, and in most oil and gas producing or processing facilities.
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Operating challenges associated with fines in the delayed coker
Jun-2014
The coking process has been around since the early days of the refining industry. Over the years it has undergone continuous improvements to make it a ...
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Jan-2013
Poor-quality crude oils and strict environmental regulations promote the use of technologies that favour energy savings and environmental protection
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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.
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Apr-2011
An integrated programme of process integration techniques lowers CO2 emissions levels in refineries through energy savings
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Driving down costs in hydrogen production
Mar-2013
An optimised hydrogen plant design achieves the right balance of minimising both Capex and Opex costs, while meeting the specific objectives of the end ...
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Heat integration projects for refining processes
Oct-2013
Heat integration projects can deliver substantial savings, but they require detailed simulation and case-specific heat integration analysis
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Heat recovery from corrosive flue gas
Apr-2015
For improvements to energy efficiency in the petrochemical industry, waste heat recovery from corrosive flue gas is the most cost effective source to ...
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The role of biofuels in the energy transition
Apr-2022
Overcoming the challenges of coprocessing renewables.
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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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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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Using infrared monitors to achieve auxiliary flare pilot monitoring (TIA)
Jul-2018
Infrared flare pilot monitoring as a primary or secondary monitoring solution provides a pilot status signal when thermocouple failures occur and assures ...
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When excess air becomes too much
Jul-2020
Excessive use of excess air impacts operating costs through fuel efficiency, furnace reliability, and stack emissions
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The hazards of fired heater flooding
Nov-2020
Heater flooding is a serious and potentially dangerous condition which must be dealt with properly and quickly.
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Carbon dioxide emissions from fired heaters
Jun-2021
Fired heaters emit an estimated 400 to 500 million tons of carbon dioxide (CO2) every year. At least 73% of average refinery CO2 emissions come from c ...
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Process and energy analysis for cost savings and CO2 reduction
Jul-2010
Applying heat pinch technology and process know-how to maximise energy savings. In an increasingly carbon-conscious market, improving energy efficiency ...
-
Improving the distillation energy network
Oct-2013
Energy-efficient design applied to the refit of a distillation unit was achieved through optimisation between the distillation column and heat network ...
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Factors affecting Claus waste heat boiler design and operation
Mar-2019
The Claus Waste Heat Boiler (WHB) is a critical piece of equipment in a Sulphur Recovery Unit (SRU); its fundamental purpose is as a heat transfer device ...
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A refinery’s journey to energy efficiency
Mar-2016
Identifying a series of areas for improvement transformed the energy performance of a refinery with a 60-year history
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Dividing wall columns for gas plants
Jul-2018
Uniting two unit offerings into one column shell can lead refiners to improve the profitability of their gas plants.
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Crude oil sourcing: price and opportunity
Apr-2017
Sourcing crudes for the best refining margin needs to be supported by a detailed procurement strategy.
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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 ...
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Improving hydrotreater performance with welded plate heat exchangers
Jul-2020
Pressure has never been higher on refiners to improve the efficiency of their energy-intensive processes.
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Understanding centrifugal compressor performance
Apr-2002
In a connected process system, expensive changes to the compressor and driver can be avoided with system debottlenecking modifications
-
Refinery energy efficiency and environmental goals
Jul-2002
Cheaper fuels do not always reduce costs, say the authors, and an alternative is cogeneration. It is argued that fuel saving programmes and cogeneration, ...
-
Using APC in refinery energy systems – develop your own solutions
Oct-2013
Advanced Process Control (APC) has been used extensively to assist in operating refinery and petrochemical processes smoothly, safely and profitably.
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Acid gas fired reheater control
Jun-2021
Operating as close as possible to the stoichiometric air-to-fuel ratio is advised for acid gas fired reheaters.
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Improved distillation efficiency
Dec-2016
Dividing wall column technology applied to a xylenes separation project delivered superior energy efficiency compared to a two-column arrangement.
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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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Optimising pumparound reflux for zero-cost energy savings
Apr-2012
By increasing pumparound ratios in principal units, refinery engineers were able to recover energy for process heating and reduce stack emissions
-
Using pinch technology in operations?
Sep-2013
Pinch Technology is a well established concept, and a tool used to optimise waste heat recovery and design efficient heat integration schemes in a wide ...
-
Managing vacuum tower wash beds
Sep-2020
ThruVision™ scans monitor the rate of coking in vacuum tower wash beds to get the most out of bed productivity.
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Heat recovery from corrosive flue gas
Apr-2015
For improvements to energy efficiency in the petrochemical industry, waste heat recovery from corrosive flue gas is the most cost effective source to ...
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The keys to successfully revamping a fired heater: how to maximise value
May-2022
(White Paper) - Fired heaters are facing scrutiny because they contribute to the global emissions of carbon dioxide (CO₂) and nitrogen oxides (NOx). ...
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Accelerating the digital transformation
May-2022
(White Paper) - The energy and utilities (E&U) industry constantly changes and transforms to comply with government regulations, implement new technologies, ...
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The role of biofuels in the energy transition
Apr-2022
Overcoming the challenges of coprocessing renewables.
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Mar-2022
As North Sea oil production declines, it is also getting heavier and more sour. How is the quality shift is playing out in global trade flows?
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Mar-2022
Energy transition benchmarks have surged in 2021 and prices are expected to remain highly volatile. Transparency is key in this evolving market.
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Intelligent FTIR system for efficient fuel analysis
Feb-2022
From the very beginnings of fuel characterisation, infrared spectroscopy was widely applied in the field of fuel analysis. Fuel, be it gasoline, diesel ...
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Energy efficiency: project optimisation through proven tools and practices (ERTC)
Dec-2021
The world’s refining sector is at a pivotal inflection point where operators must evolve to remain competitive following a challenging year.
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Don’t let furnace emissions derail your expansion project
Nov-2021
Predicting emissions prior to actual furnace design is not just a mathematical calculation
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A model for refinery profitability
Nov-2021
Creating a culture of optimisation through a harmonised business process
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Convection section retrofit (TiA)
Nov-2021
XRG recently retrofitted a convection section in a crude heater that was originally built in 1935. The new convection bank consists of two sections; the ...
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Retrofitting the thermal stage of a SRU unit (TiA)
Nov-2021
The original burner at a site was a multi-flame burner with low pressure drop on the Claus gas side.
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Improve profit with augmented digital twins
Aug-2021
Artificial intelligence and machine learning deliver greater, more sustainable value from simulation models.
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Carbon dioxide emissions from fired heaters
Jun-2021
Fired heaters emit an estimated 400 to 500 million tons of carbon dioxide (CO2) every year. At least 73% of average refinery CO2 emissions come from c ...
-
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.
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Identifying worker density constraints during process outages
Jun-2021
How to identify a hidden productivity constraint in your process outage plans and schedules.
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Acid gas fired reheater control
Jun-2021
Operating as close as possible to the stoichiometric air-to-fuel ratio is advised for acid gas fired reheaters.
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Critical mass duration for process outages
Apr-2021
Avoid this surprise when determining how long your next process outage will take.
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Raising diesel yield by chemical treatment
Dec-2020
A chemical treatment programme combined with process monitoring enables increased production of middle distillates.
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Dec-2020
Leveraging IIOT concepts leads to a reduction in energy consumption and improved refining margin
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Maximum margin = sharp tools + true aim
Dec-2020
It’s time that we shift our focus away from the doom, the gloom, the fear, and the uncertainty of today’s industry news. Flip to the Comics section ...
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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.
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The journey to sustained profitability
Nov-2020
The refining industry is critical to the world economy, providing essential energy and materials required for global development.
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Mitigating corrosion with a digital twin
Nov-2020
Data-driven engineering helps engineers to identify ways to improve predictions of corrosion. Processing plants depend on assorted metallic equipment and ...
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The hazards of fired heater flooding
Nov-2020
Heater flooding is a serious and potentially dangerous condition which must be dealt with properly and quickly.
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2030 isn’t long off – the future of advanced biofuels (ERTC)
Nov-2020
The use of biofuels is increasing industry-wide due to legislation incentives aimed at producing low greenhouse gas-emitting transport fuels. Feedstock ...
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The keys to successfully revamping a fired heater: how to maximise value
May-2022
(White Paper) - Fired heaters are facing scrutiny because they contribute to the global emissions of carbon dioxide (CO₂) and nitrogen oxides (NOx). ...
-
Accelerating the digital transformation
May-2022
(White Paper) - The energy and utilities (E&U) industry constantly changes and transforms to comply with government regulations, implement new technologies, ...
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