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 ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

Transforming packed column efficiency

Jul-2024

Column internals, such as packings and distributors, along with application expertise and distillation know-how, are critical to achieving greater productivity ...

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 ...

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 ...

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 ...

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 ...

MellapakEvo and the evolution of structured packing (RI 2024)

Sep-2024

Distillation has been the most prevalent separation technology in the chemical industry.

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 ...

Vessel internals enhance worker safety during plant turnarounds (TiA)

Jul-2024

Reducing confined space entry when changing media beds using hold-down screen solutions

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 ...

Ultra-low entrainment spray nozzles for use in packing wash applications

Jul-2024

Development and performance of new spray nozzle technology can greatly reduce entrainment from vacuum distillation wash bed sprays.

Sling angles do matter

Feb-2023

One of the most overlooked considerations when designing a rigging system is sling angles.

Separation technology addresses challenges in emerging technologies

Oct-2024

How a proven technology has been repurposed to offer a versatile solution for separating biochar from hydrocarbon vapours and ash from flue gases.

Selection of ULSD dryers: Key technical considerations

Oct-2024

An evaluation of various drying options for ULSD aiming to pass bright and clear specifications or haze ratings.

Evaluating tray efficiency impacts on column design

Oct-2024

Steps to avoid undersizing or oversizing of columns along with the selection of property packages essential for the model to generate reliable tray traffic ...

Role of spiral heat exchangers in refineries (RI 2024)

Sep-2024

Nexson is a French company based in Garchizy in the Nièvre region. Aware of environmental issues, the company helps manufacturers optimise their manufacturing ...

Fundamentals of refinery safety

Aug-2019

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

Improving preventive maintenance using equipment criticality

Nov-2024

Case study demonstrates the importance of rating equipment criticality in an effective preventive maintenance plan while reducing overall cost.

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

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.

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 ...

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 ...

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.

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 ...

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 ...

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 ...

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 ...

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 ...

Transforming packed column efficiency

Jul-2024

Column internals, such as packings and distributors, along with application expertise and distillation know-how, are critical to achieving greater productivity ...

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.

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 ...

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 ...

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 ...

Vessel internals enhance worker safety during plant turnarounds (TiA)

Jul-2024

Reducing confined space entry when changing media beds using hold-down screen solutions

Ultra-low entrainment spray nozzles for use in packing wash applications

Jul-2024

Development and performance of new spray nozzle technology can greatly reduce entrainment from vacuum distillation wash bed sprays.

Role of spiral heat exchangers in refineries (RI 2024)

Sep-2024

Nexson is a French company based in Garchizy in the Nièvre region. Aware of environmental issues, the company helps manufacturers optimise their manufacturing ...

MellapakEvo and the evolution of structured packing (RI 2024)

Sep-2024

Distillation has been the most prevalent separation technology in the chemical industry.

Evaluating tray efficiency impacts on column design

Oct-2024

Steps to avoid undersizing or oversizing of columns along with the selection of property packages essential for the model to generate reliable tray traffic ...

Five common causes of refractory failure and how to fix them

Dec-2024

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