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 ...

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

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.

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

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 ...

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 ...

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

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 ...

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.

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 ...

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 ...

Improved economics with increased condensation

Mar-2018

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

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 ...

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.

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.

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 ...

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 ...

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 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

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

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 ...

Furnace cleaning by robots

Dec-2020

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

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 ...

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 ...

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 ...

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.

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 ...

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

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 ...

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 ...

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.

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

Pressure surge during crude unloading

Oct-2016

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

Improved economics with increased condensation

Mar-2018

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

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 ...

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 ...