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

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 ...

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

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.

Pressure surge during crude unloading

Oct-2016

How to avoid pressure surge problems when dissimilar ship to shore offloading operations are interconnected.

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 ...

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 ...

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

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 types ...

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 ...

Reliability in recovery

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.

Avoiding compressor system downtime

Jul-2014

Developments in anti-surge technology make it possible to maximise process efficiency and optimise compressor function

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.

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.

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 ...

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.

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 ...

Maximising stripping section performance

Aug-2021

The design of a crude unit stripping section affects diesel and gasoil yields, energy usage, and unit reliability.

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 ...

Thermal imaging CO2 absorbers

Jul-2019

The availability of devices capable of creating an image of the infrared radiation emitted by an item of process equipment such as the CO2 absorber in ...

Improved economics with increased condensation

Mar-2018

Attention to the influence of heat transfer mechanisms will promote better economic performance in heat exchanger operation.

Revamp of a methanol wash column

Jun-2022

Installation of high performance trays and internals enabled a successful revamp for a syngas purification process.

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.

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 ...

High capacity valves for distillation towers

Nov-2021

Advanced valves deliver higher column capacity while meeting process requirements such as wider operating range and higher fouling resistance

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

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 ...

Maximising stripping section performance

Aug-2021

The design of a crude unit stripping section affects diesel and gasoil yields, energy usage, and unit reliability.

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 ...

High capacity valves for distillation towers

Nov-2021

Advanced valves deliver higher column capacity while meeting process requirements such as wider operating range and higher fouling resistance

Revamp of a methanol wash column

Jun-2022

Installation of high performance trays and internals enabled a successful revamp for a syngas purification process.

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.

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

Furnace cleaning by robots

Dec-2020

Remotely cleaning furnace tubes slashed the cost of hydrogen production for a refiner.

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 ...

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 ...

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 ...

Fundamentals of refinery safety

Aug-2019

A study of process safety considerations arising from a raffinate splitter explosion.

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 ...

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 ...

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 ...

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 types ...

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.

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 ...

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 ...

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.

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 ...

Sling angles do matter

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 ...

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

Improving preventive maintenance using equipment criticality

Nov-2024

(White Paper) - Case study demonstrates the importance of rating equipment criticality in an effective preventive maintenance plan while reducing overall ...

Five common causes of refractory failure and how to fix them

Nov-2024

(White Paper) - All process heaters operate at high temperatures and are constructed with process tubes inside a refractory-lined enclosure, which is heated ...