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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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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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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Troubleshooting steam ejectors
Oct-2014
Some causes and practical solutions concerning problems with refinery steam vacuum ejectors
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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Monitoring heat exchange systems
Jan-2010
Anticipating final federal standards, the cooling tower monitoring programs at two refineries have been beneficial in estimating VOC emissions from the ...
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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
-
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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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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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
-
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
-
Troubleshooting steam ejectors
Oct-2014
Some causes and practical solutions concerning problems with refinery steam vacuum ejectors
-
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.
-
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 ...
-
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 ...
-
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.
-
Improving heat transfer in reboilers and condensers
Mar-2016
Guidelines and experience on how to deal with a loss of condensing or reboiling capacity
-
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 ...
-
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 ...
-
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 ...
-
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 ...
-
Mar-2018
Scalable simulation of crude unit operations enables refineries to build increasingly rigorous models to enhance performance
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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
-
Mitigation of heat exchanger fouling
Oct-2012
Detailed analysis of potential contributors identifies the root cause of fouling in naphtha hydrotreater feed-effluent exchangers
-
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
-
Energy recovery with compact heat exchangers
Jan-2012
Compact heat exchangers are used for heat recovery applications where high efficiency is vital, space constraints apply, or exotic materials are requi ...
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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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How watt density specifications may be holding back optimal electric heat exchanger design
Mar-2020
Typical customer specifications for a direct electric heat exchanger (DEHE) in forced convection gas applications aim for efficiency and safety given the ...
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Optimising a process scheme for platforming heaters
Jan-2013
Thermal imbalance resulting from an existing process scheme for CCR platforming furnaces is addressed by process schemes for distributing heat load more ...
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Decarbonization, 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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Enclosure heating leads to process heater failures (TIA)
May-2020
It has generally been assumed in energy process heaters that pins attaching heating elements to the power terminal do not generate heat on their own. That ...
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How watt density specifications may be holding back optimal electric heat exchanger design
Mar-2020
Typical customer specifications for a direct electric heat exchanger (DEHE) in forced convection gas applications aim for efficiency and safety given the ...
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Better predicting terminal enclosure temperature to improve heater reliability
Feb-2020
One of the most common failures in electric process heaters used in various industrial applications involves electrical terminations and not the heating ...
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Cleaning heater convection tubes
Feb-2020
Fired heater tubes are difficult to clean, but a sequence of operations can remove unwanted material from the tubes’ external surfaces and raise the ...
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Determining temperature class for electric process heaters
Jan-2020
Electric process heaters that interface with flammable materials in explosive environments need to be properly evaluated to protect the equipment against ...
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Improvements to water gas shift process
Dec-2019
With a growing population supplies of natural resources are under ever-increasing pressure, their sustainable use has never been higher on the agenda.
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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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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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Revamping a bitumen heating system
Jul-2019
A redesigned oil based heating system for bitumen storage and sales saves energy and eliminates customer complaints.
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Demonstrating the viability of small scale LNG terminals (TIA)
May-2019
The project was intended to create small scale LNG infrastructure and establish the port of Klaipeda as an LNG hub for the Baltic region and northeastern ...
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How ceramic solutions simplify field installation and address skilled labor gap
Oct-2018
Innovative ceramic designs simplify field installation and address critical manufacturing skills gap.
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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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Maximising heat exchanger cleaning
Jun-2018
Powerful chemical cleaning programmes reduce downtime and increase the efficiency of heat exchangers.
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Enhanced energy recovery for crude preheating
Jun-2018
Replacing shell and tube heat exchangers with a compact welded exchanger increased heat transfer efficiency and reduced fouling issues in a crude unit ...
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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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Improved economics with increased condensation
Mar-2018
Attention to the influence of heat transfer mechanisms will promote better economic performance in heat exchanger operation.
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Managing heat efficiently - The manufacture of plate-fin heat exchangers
Jun-2017
The most complex task for manufacturers of plate-fin heat exchangers is the process of brazing. Millions of brazing joints are required to ensure that ...
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Exchanger cleaning contest: chemicals vs jetting
Jun-2017
Chemical cleaning proved to be more effective than water jetting to increase the efficiency of a high heat flux exchanger
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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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Rapid waste heat boiler retubing at IPL Mount Isa sulphuric acid plant
Feb-2017
Effective energy recovery in sulphuric acid plants can drive the economics of the plant every bit as much as the actual production of sulphuric acid.
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