ARTICLES
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Managing fouling in refinery networks
Jul-2015
Modelling heat exchanger and other networks enables the use of dynamic fouling models in performance assessment and predictive studies
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A novel approach to cleaning furnace coils
Jul-2013
A modified pigging operation aims to greatly reduce the time required for coke removal from furnace coils
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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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Challenges of heavy crude processing
Oct-2012
A review of upgrading options and refinery configurations to process heavy crudes profitably. Refiners have long faced a major dilemma when designing refineries ...
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Troubleshooting steam ejectors
Oct-2014
Some causes and practical solutions concerning problems with refinery steam vacuum ejectors
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Enhancing heat transfer in Texas Towers
Oct-2009
Retrofit technology enhances heat recovery in feed-effluent exchangers, increases throughput, reduces furnace load and provides cost benefits
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Why vacuum unit fired heaters coke
Oct-2004
A description of the internal workings of vacuum heaters and the causes of coke formation within them
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Flue gas heat recovery through the acid dew point
Jul-2019
Polymer based heat exchange technology enables more heat recovery from flue gas by addressing acid corrosion issues.
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Tube rupture in a natural gas heater
Feb-2016
Dynamic simulation supports the use of a pressure safety valve over a rupture disk in the event of a tube rupture
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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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Catalyst filling in a fixed bed tubular reactor
Apr-2017
A reactor filling methodology ensures even reactant distribution and pressure drop
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Mitigation of heat exchanger fouling
Oct-2012
Detailed analysis of potential contributors identifies the root cause of fouling in naphtha hydrotreater feed-effluent exchangers
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Consider retrofits to handle high-viscosity crudes
Mar-2004
In 2000, ConocoPhillips’ refinery in Sweeny, Texas, began processing 16° API gravity blends of extra-heavy crude oils, including Merey 16 and BCF 1 ...
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Air pre-heater improves energy efficiency
Apr-2014
A corrosion resistant air pre-heater enables valuable heat recovery from corrosive and fouling refinery flue gas streams
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Advances in delayed coking heat transfer equipment design
Nov-2008
The delayed coking process is used to crack heavy oils, normally vacuum residue, into more valuable light liquid products, with less valuable gas and solid ...
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Selecting the “Best” fired heater
Jun-2013
Fired heaters are extensively used in the chemical process industry to heat process fluids and generate steam. Typically, fired heaters consume the largest ...
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Improving heat transfer in reboilers and condensers
Mar-2016
Guidelines and experience on how to deal with a loss of condensing or reboiling capacity
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Passivation of ethylene cracker transfer line heat exchangers
Jul-2009
Case study based on fours years of applying DEHA-based passivation treatment technology to the TLEs of Egyptian Petrochemicals’ ethylene crackers
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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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Improving FCCUs: bottoms system upgrades
Jul-2003
A review of process flow scheme fundamentals and basic equipment operating and design principles that have improved unit operating profitability through ...
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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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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 ...
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High efficiency zero export steam reforming
Sep-2016
Development of a new hydrogen production technology based on steam methane reforming.
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Optimising steam systems: part II
Jul-2010
A second article on steam system optimisation addresses steam at point of use and good engineering practice to remove and return condensate
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Managing fouling in refinery networks
Jul-2015
Modelling heat exchanger and other networks enables the use of dynamic fouling models in performance assessment and predictive studies
-
A novel approach to cleaning furnace coils
Jul-2013
A modified pigging operation aims to greatly reduce the time required for coke removal from furnace coils
-
Flue gas heat recovery through the acid dew point
Jul-2019
Polymer based heat exchange technology enables more heat recovery from flue gas by addressing acid corrosion issues.
-
Heat recovery solves carbon capture issues
Mar-2021
Flue gas heat recovery at the fired heater overcomes major drawbacks to the successful operation of an amine based carbon capture plant.
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Troubleshooting steam ejectors
Oct-2014
Some causes and practical solutions concerning problems with refinery steam vacuum ejectors
-
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 ...
-
Challenges of heavy crude processing
Oct-2012
A review of upgrading options and refinery configurations to process heavy crudes profitably. Refiners have long faced a major dilemma when designing refineries ...
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High efficiency zero export steam reforming
Sep-2016
Development of a new hydrogen production technology based on steam methane reforming.
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Dec-2016
Feed containing fines, in-organic matter, sludge, rust etc. can cause excessive pressure drop build-up issues in hydroprocessing reactors.
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Tube rupture in a natural gas heater
Feb-2016
Dynamic simulation supports the use of a pressure safety valve over a rupture disk in the event of a tube rupture
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Heat exchanger fouling analytics
Sep-2020
Modelling the effects of fouling on the performance of heat exchangers and its impact on product values as well as energy losses
-
Enhancing heat transfer in Texas Towers
Oct-2009
Retrofit technology enhances heat recovery in feed-effluent exchangers, increases throughput, reduces furnace load and provides cost benefits
-
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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Boosting tube-side heat transfer
Jun-2021
Tube insert technologies can improve heat exchanger performance by enhancing tube-side heat transfer coefficients in two-phase applications.
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Electrification and medium voltage process heater systems
Feb-2022
Decarboniation efforts worldwide, led both by industry leaders and legislation, have increased efforts to shift fossil fuel use to renewables. One way ...
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Optimising steam systems: part II
Jul-2010
A second article on steam system optimisation addresses steam at point of use and good engineering practice to remove and return condensate
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Process safety time for fired heaters
Dec-2020
Cases illustrate the actions needed to avoid hazards occurring when the supply to a fired heater is disturbed.
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Designing steam heat exchangers and tracing systems
Jun-2021
Fundamentals must be considered when designing an industrial steam system to avoid premature failure or under-performance.
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Maximising heat exchanger cleaning
Jun-2018
Powerful chemical cleaning programmes reduce downtime and increase the efficiency of heat exchangers.
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Dividing wall revamp boosts octane and throughput
Jun-2021
Dividing wall column technology reduces energy and capex, but increasingly contributes to higher revenues from better products, as in this application ...
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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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Replacing a corroded column with packing internals
Jul-2018
A corroded column was replaced with a new column equipped with high capacity packing. The cross sectional area is less than half that of the original.
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Selecting the “Best” fired heater
Jun-2013
Fired heaters are extensively used in the chemical process industry to heat process fluids and generate steam. Typically, fired heaters consume the largest ...
-
Improving heat transfer in reboilers and condensers
Mar-2016
Guidelines and experience on how to deal with a loss of condensing or reboiling capacity
-
Use of tube inserts in fired heaters
May-2022
In 1896 Whitham reported the successful use of twisted tapes (originally called retarders, and now also called turbulators) to increase heat transfer in ...
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Crude preheat train fouling and fix-up
Nov-2022
Rigorous modelling of crude preheat train exchangers allows for fouling progression of the heat exchangers to be monitored throughout the crude unit run ...
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Zeeco delivers robust duct burner system for PDH air heaters
Oct-2022
The propane dehydrogenation (PDH) process generates propylene from a propane feedstock through the catalytic conversion of propane into propylene and ...
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Understanding the value of arc flash management and mitigation for large electric process heaters
Jun-2022
While larger medium voltage process heaters are relatively new in hydrocarbon processing, the safety issues surrounding medium-voltage equipment are well ...
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Use of tube inserts in fired heaters
May-2022
In 1896 Whitham reported the successful use of twisted tapes (originally called retarders, and now also called turbulators) to increase heat transfer in ...
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Optimising heat recovery in a heat exchanger network
Apr-2022
Maintaining equal heat capacity flow rates for heat sink and source provides maximum heat recovery from an exchanger network.
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Understanding the factors affecting heat loss
Mar-2022
Understanding the factors that influence heat loss allows design engineers to better calculate the insulation and power needed to heat a product.
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Electrification and medium voltage process heater systems
Feb-2022
Decarboniation efforts worldwide, led both by industry leaders and legislation, have increased efforts to shift fossil fuel use to renewables. One way ...
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Cut time, costs and complexity with the integrated capabilities of an F4T controller
Nov-2021
Many of today’s complex industrial heating systems have several devices to ensure continuous operations and efficient performance. The application may ...
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Fresh look at accelerating electrification and the role that thermal plays
Sep-2021
The goals of the 2015 Paris Agreement are now playing out, with companies and governments making drastic changes to hit its ambitious targets.
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Designing steam heat exchangers and tracing systems
Jun-2021
Fundamentals must be considered when designing an industrial steam system to avoid premature failure or under-performance.
-
Dividing wall revamp boosts octane and throughput
Jun-2021
Dividing wall column technology reduces energy and capex, but increasingly contributes to higher revenues from better products, as in this application ...
-
Boosting tube-side heat transfer
Jun-2021
Tube insert technologies can improve heat exchanger performance by enhancing tube-side heat transfer coefficients in two-phase applications.
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Using continuous helical flow to reduce fouling
Mar-2021
It would not be an understatement to say that fouling is one of the most costly recurring problems in hydrocarbon processing, and that it hits process ...
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Heat recovery solves carbon capture issues
Mar-2021
Flue gas heat recovery at the fired heater overcomes major drawbacks to the successful operation of an amine based carbon capture plant.
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Process safety time for fired heaters
Dec-2020
Cases illustrate the actions needed to avoid hazards occurring when the supply to a fired heater is disturbed.
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Dec-2020
Remotely cleaning furnace tubes slashed the cost of hydrogen production for a refiner.
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Heater experts solve common problems with IR thermography
Dec-2020
Many owner operators in the oil/gas and petrochemical industry know infrared (IR) thermography is a pillar of any robust inspection program. At Becht Fired ...
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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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Oct-2020
Responses to a question in the Q3 2020 issue of PTQ
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Heat exchanger fouling analytics
Sep-2020
Modelling the effects of fouling on the performance of heat exchangers and its impact on product values as well as energy losses
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Decarbonisation, electrification and the case for modern electric process heaters
Jul-2020
Companies in liquified natural gas (LNG) and other industries have been taking bold steps to reduce their carbon footprint.
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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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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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Heat storage in solar power plants
Jun-2020
Avoiding freezing and leakage: optimal thermal management for the use of molten salt in solar thermal power plants with concentrated radiation
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How to replace sensors on process heaters
Jun-2020
Process heaters, such as immersion heaters, use a range of sensor options to accurately measure and adjust the heat of a manufacturing process.
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