ARTICLES
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Dec-2020
Remotely cleaning furnace tubes slashed the cost of hydrogen production for a refiner.
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Rust to robust for Spanish refinery (TIA)
Aug-2019
The efficient prevention and minimisation of corrosion induced deterioration in distillation columns is a key aspect helping refineries to remain productive ...
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Identifying the root cause of underperforming ejector systems
Nov-2022
Underperforming ejector systems illustrate the importance of the long air baffle, its proper operation, and how to quickly identify problems when they ...
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Improving turnarounds and operations with online cleaning
Sep-2020
Case histories illustrate the financial and operational gains achieved by replacing mechanical cleaning with online, closed-loop operations. The conventional ...
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Upgrading a vacuum distillation tower (TIA)
Aug-2021
When a major oil refinery in India was constrained by its vacuum tower, it turned to Sulzer Chemtech to find a solution that would not only solve existing ...
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Refractory detection system and floating roof protection
Feb-2024
New refractory detection system monitors skin temperatures in Claus or thermal oxidisers as well as SMRs, gasifiers, and emissions from floating roof ...
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Installation of a new flue gas tunnel design concept and resulting operation
Oct-2019
Conventional tunnels incorporate physical features that constrain design efficacy resulting in non-uniform flue gas flow both along the length of the tunnels ...
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Automated welding restores boiler performance (TIA)
Nov-2019
Biomass is becoming an increasingly popular fuel for power generation. It is one of several technologies being implemented to improve the sustainability ...
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Eight critical process vessel, tower and column corrosion mitigation projects
Feb-2024
Integrated Global Services (IGS) discusses eight global process vessel, column, and tower corrosion mitigation projects. This paper explores innovative ...
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Part 1: structural analysis concepts for beginner mechanical engineers
May-2022
Admittedly, this blog post will be geared toward a small audience. It’s for a recent (or maybe not so recent) graduate with a Mechanical Engineering ...
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Benefits of spiral and welded plate heat exchangers (RI 2023)
Nov-2023
Nexson is a French company based in Garchizy in the Nièvre region. Aware of environmental issues, the company helps manufacturers optimise their manufacturing ...
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Enhancing profitability using high-efficiency heat exchangers (RI 2023)
Nov-2023
Alfa Laval has been in the refinery industry for more than 40 years, with more than 3,000 high-efficiency heat exchangers installed worldwide. The company’s ...
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Innovative vessel internals for enhanced safety when changing media beds (TiA)
May-2024
In our previous article (PTQ Q1 2024), we discussed the challenges inherent in performing scheduled inspections within confined spaces of fixed-bed downflow ...
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SprayMax FCC feed injection nozzles
Oct-2022
Fluid catalytic cracking is a well-established conversion process in the refining industry in which a low-value, heavy hydrocarbon liquid is converted ...
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Feb-2023
One of the most overlooked considerations when designing a rigging system is sling angles.
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Revamping a conventional naphtha splitter to a dividing wall column
May-2024
Installation of new equipment, performance results, and final commissioning of a DWC and its ability to sharply fractionate three components in one single ...
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Installation of a new flue gas tunnel design concept and resulting operation
Oct-2019
Conventional tunnels incorporate physical features that constrain design efficacy resulting in non-uniform flue gas flow both along the length of the tunnels ...
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Coke drum repair restores capacity (TIA)
May-2020
The mechanical integrity of processing units is key for oil refineries to deliver smooth operations and maximum productivity. When structural damage was ...
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Apr-2014
Reliability is a buzz word used a lot these days. You hear it a lot and it means different things to different people based on their job description.
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Considerations for crude unit preflash drums and preflash towers
Feb-2024
A guide to debottlenecking, revamping, designing, and operating crude unit preflash facilities based on literature and the authors’ experience.
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Thwarting fluid-system leaks, saving energy, reducing leaks
Mar-2008
Fluid leakage costs industry millions of dollars every year. For example, a few small leaks in a facility using air at 100 pounds per square inch gauge ...
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The right valves even for exceptional applications
Jul-2019
Finding exactly the right valves for every customer is a problem which OHL Gutermuth solves every day. This company, based in Altenstadt, Hesse, also produces ...
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Improving the flow, installation experience with a new reformer flue gas tunnel system
Jul-2019
For decades, down-fired steam methane reformer furnaces have used flue gas tunnels (or ‘coffins’) along the radiant section floor to collect and improve ...
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Rust to robust for Spanish refinery (TIA)
Aug-2019
The efficient prevention and minimisation of corrosion induced deterioration in distillation columns is a key aspect helping refineries to remain productive ...
-
Automated welding restores boiler performance (TIA)
Nov-2019
Biomass is becoming an increasingly popular fuel for power generation. It is one of several technologies being implemented to improve the sustainability ...
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Stahl Columns: An alternative to molecular sieves?
Jun-2022
Case study and independent cost estimations lay out what may someday become the standard way to achieve deep dehydration of produced gas streams.
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SprayMax FCC feed injection nozzles
Oct-2022
Fluid catalytic cracking is a well-established conversion process in the refining industry in which a low-value, heavy hydrocarbon liquid is converted ...
-
Feb-2023
One of the most overlooked considerations when designing a rigging system is sling angles.
-
Enhancing profitability using high-efficiency heat exchangers (RI 2023)
Nov-2023
Alfa Laval has been in the refinery industry for more than 40 years, with more than 3,000 high-efficiency heat exchangers installed worldwide. The company’s ...
-
Benefits of spiral and welded plate heat exchangers (RI 2023)
Nov-2023
Nexson is a French company based in Garchizy in the Nièvre region. Aware of environmental issues, the company helps manufacturers optimise their manufacturing ...
-
Innovative vessel internals for enhanced safety when changing media beds (TiA)
May-2024
In our previous article (PTQ Q1 2024), we discussed the challenges inherent in performing scheduled inspections within confined spaces of fixed-bed downflow ...
-
Revamping a conventional naphtha splitter to a dividing wall column
May-2024
Installation of new equipment, performance results, and final commissioning of a DWC and its ability to sharply fractionate three components in one single ...
-
The right valves even for exceptional applications
Jul-2019
Finding exactly the right valves for every customer is a problem which OHL Gutermuth solves every day. This company, based in Altenstadt, Hesse, also produces ...
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Some myths about mechanical cleaning
Aug-2018
Because it has long been the only option when unit cleaning becomes unavoidable, the true cost of mechanical cleaning has been overlooked.
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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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Experimental phase balance assessment for duplex stainless steel welded pipe
Jan-2018
This paper discusses the assessment of weld metal ferrite content in duplex stainless steel pipe welded at a 45Ëšangle
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Computation of heat conduction in welding of thick wall reactor vessels
Sep-2017
The welding of reactors in refinery is complex due to various phase formation during and after welding. Each phase was unique with success of welding lies ...
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Isokinetic nozzles for steam sampling
Nov-2016
The proper design of a sampling system is critical for a sample that is representative of the stream to be measured.
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Pressure surge during crude unloading
Oct-2016
How to avoid pressure surge problems when dissimilar ship to shore offloading operations are interconnected.
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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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Failure analysis of burner piping
Jul-2014
Investigation of the causes of a severe refinery fire leads to recommendations for burner piping design to prevent such incidents
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Avoiding compressor system downtime
Jul-2014
Developments in anti-surge technology make it possible to maximise process efficiency and optimise compressor function
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Apr-2014
Reliability is a buzz word used a lot these days. You hear it a lot and it means different things to different people based on their job description.
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What makes speciality gases so special?
Sep-2013
The complexities that go into the manufacture and handling of specialty 
gases for the petrochemical sector, which differentiate them from other ...
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Best practices for installation of 
safety valves
Mar-2013
One of the most critical automatic safety devices in a steam system is the safety valve. The safety valve provides a protective measure for lives, equipment ...
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Choose the right hose: a practical guide to hose selection
Mar-2013
The right hose keeps your process performing safely and cost effectively. The wrong hose could undermine your process, put personnel at risk and compromise ...
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How to read a regulator flow curve
Sep-2011
The best way to select a regulator for your application is to examine its flow curve, which is often provided by the manufacturer. “Flow curve” is ...
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Thwarting fluid-system leaks, saving energy, reducing leaks
Mar-2008
Fluid leakage costs industry millions of dollars every year. For example, a few small leaks in a facility using air at 100 pounds per square inch gauge ...
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ITW technologies online cleaning
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Watlow’s thermal systems optimize your refinery
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Process catalysts
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