Controlling the dew point of natural gas

Jul-2015

Meeting water and hydrocarbon dew point specifications for natural gas without acid gas components

Sour water: where it comes from and how to handle it

Sep-2011

Sour water strippers are common in gas processing facilities, sulphur recovery units, wellhead facilities, and refinery applications. Understanding the ...

Options for CO2 capture from SMR

Oct-2014

As CO2 capture from steam methane reforming becomes increasingly important, the economics of retrofit for recovery from process gas streams need to be ...

Controlling the hydrocarbon dew point of pipeline gas

Jul-2017

A key factor in selecting technology to control the hydrocarbon dew point of natural gas is the quantity of heavy hydrocarbons in the feed stream

The role of tail gas treating unit quench towers

Jun-2016

A quench tower cools gas entering a tail gas amine unit but also protects the amine against SO2 breakthrough.

Gases: identifying hazards and mitigating risks

Feb-2012

Although critical for the operation of refineries and petrochemical plants, industrial gases can be associated with a spectrum of possible hazards and ...

Detecting and dealing with hydrate formation

Apr-2010

A review of cause, detection and treatment of hydrate plug formation in gas pipelines. Gas hydrates are solid crystalline compounds, which have a structure ...

Mercury removal processes

Apr-2013

A careful evaluation of the options for removing mercury from natural gas plant feed and product streams is a prudent exercise

Processing NH3 acid gas in a sulphur recovery unit

Apr-2010

The feasability and economics of a two-stage sour water stripper with an SRU for NH3 contents of 25% and higher are discussed

Control of foaming in amine systems

Sep-2007

Amine solutions foam. Solution foaming causes plant upsets. It is the disengagement or break time that differentiates normal, desirable froth from undesirable ...

Mercury treatment options for natural gas plants

Jan-2014

Removing mercury as close as is practicable to the front end of a natural gas processing system is the best choice

Removing salts and contaminants in glycol regeneration

Apr-2014

A new process combining candle filters and pressure plate filters enables more glycol to be safely recovered from natural gas than by conventional met ...

Conversion of natural gas to liquid fuels

Apr-2009

Companies aiming to bring gas to liquids projects to the commercial stage have encountered variable success

Using physical solvent in multiple applications

Apr-2012

A physical solvent’s properties and versatility in a variety of flow schemes for energy-efficient gas treating in a range of applications are discus ...

Controlling corrosion in amine treatment units

Apr-2011

A range of measures can be taken to minimise corrosion in amine units. The amine unit plays a vital role in the petroleum refining, gas processing, coal ...

LNG technology and equipment

Nov-2005

A review of improvements to the Shan Shan LNG processing facilities, ranging from gas treatment and liquefaction with a single mixed refrigerant cycle ...

LO-CAT: a flexible hydrogen sulphide removal process

Feb-2015

The hydrocarbon engineering industry faces tighter restrictions for hydrogen sulphide (H2S) emissions and expanding requirements for sulphur recovery. ...

Developments in H2S scavenging

Jun-2018

Advances in the application of triazine scavengers have significantly improved process efficiencies.

Advances in amine reclaiming

Feb-2007

Why there is no excuse for operating a dirty amine system. The benefits of reclaiming amine systems are trumpeted by many and doubted by others.

Tail gas catalyst performance: part 2

Dec-2014

The second part of a two-part account of time and temperature effects on tail gas catalyst performance gives a background to reaction modelling and pilot ...

Handling mercury in gas processing plants

May-2017

Advances in the safe treatment and disposal of mercury in gaseous and liquid streams.

Amine plant corrosion reduced by removal of bicine

Jun-2012

Bicine, an amino acid, has been found in numerous amine gas treating systems including tail gas treating units, certain refinery services, and some natural ...

Minimise amine losses in gas and liquid treating

Jun-2018

Even with incomplete information, a systematic approach can be used to identify the source of amine losses and the action needed to reduce them.

A comparison of physical solvents for acid gas removal

Mar-2008

Physical solvents such as DEPG (Selexol or Coastal AGR), NMP or N-Methyl-2- Pyrrolidone (Purisol), Methanol (Rectisol), Propylene Carbonate (Fluor Solvent) ...

Efficiency factors in natural gas fired steam boilers

Jul-2020

A study to obtain maximum operating efficiency from a set of refinery steam boilers.

Modelling ethane absorption in MEA solution

Jun-2018

Solving foaming problems related to absorption of hydrocarbon and feed contaminants by amine solution.

Steam ring redesign improves FCC bottoms stability

Apr-2022

Installing a newly designed steam ring in a main fractionator stabilised fluctuations in the flash point of FCC bottoms

Meeting the challenge of tramp amines in crudes

Apr-2025

New technologies provide options to refiners for quantifying and mitigating tramp amine corrosion risk.

Hydrogen recovery from refinery off-gas – Part 1: An overview

May-2024

Using next-generation hydrogen separation membranes to recover unused hydrogen wherever possible.

Pricing licences for gas processing units

Mar-2021

How technologies can be selected on the best licensing terms.

High efficiency contaminant removal - Improving new and existing acid gas sweetening processes

Nov-2022

Gas sweetening processes using amine solvents are often challenged to meet productivity and reliability targets due to the impact of solid and liquid contamination. ...

Making innovative catalysts to trigger a reaction in chemical, gas and refining processes

Aug-2020

When you are creating high-quality petrochemical end products, you must first trigger a reaction.

Start-up and shutdown issues in sulphur processing

Nov-2020

Knowing the limitations of the sulphur unit and what may occur during start-ups and shutdowns helps to prevent damage.

Solids in the feed are causing corrosion and erosion problems in our amine system. How do we remove them effectively and economically?

Feb-2021

Responses to a question in the Q1 2021 issues Q&A feature

Revamp of a methanol wash column

Jun-2022

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

New graphical procedure to design reactor supports used in industry

Aug-2022

Two reactor models used in gas recovery demonstrate a new design strategy that can lead to significant savings in material cost and engineering design ...

Dryout design considerations for cryogenic gas plants: Part 2

Jun-2024

Closed-loop recirculation dryout removes water more efficiently, monitors dryout progress more easily, and allows for a quicker transition to plant co ...

Suppressing the steam plume

Mar-2021

A process for wet scrubbing off-gases from the SRU helps preserve neighbourly relations.

Neutralising amine selection for crude units

Jun-2021

Making a proper selection of neutralising amine chemistry is a challenging task.

Digital twins heat up the capabilities of energy storage plants

Jun-2022

How to support future energy security by enhancing energy storage with automated digital twins.

Ceramic coating application in a refinery steam methane reformer furnace

Jun-2022

Increase an SMR’s thermal efficiency by applying a high emissivity ceramic coating on the furnace box walls.

Controlling corrosion in amine treatment units

Apr-2011

A range of measures can be taken to minimise corrosion in amine units. The amine unit plays a vital role in the petroleum refining, gas processing, coal ...

Sulphidation corrosion in a claus waste heat boiler

Aug-2021

Simulation enabled a refiner to avoid potentially dangerous operating conditions in a sulphur recovery unit.

What steps do we need to take to keep our sour water stripper at peak performance following a shutdown?

Feb-2021

Responses to a question in the Q1 2021 issues Q&A Feature

Stable vessel design for FLNG

Jun-2021

Advances in floating liquefied natural gas production technology are becoming an important factor in maintaining sustained growth of the natural gas i ...

Economical structural design of natural gas processing plants

Jun-2022

Case study of a butane treatment unit illustrates effective structural design procedures and highlights construction challenges encountered in new and ...

Kinetic model for TGU hydrogenation reactors: Part 1 model development

Feb-2023

Development of rigorous model for reaction kinetics and catalyst deactivation mechanisms capable of predicting SRU and TGU performance is presented.

Minimise amine losses in gas and liquid treating

Jun-2018

Even with incomplete information, a systematic approach can be used to identify the source of amine losses and the action needed to reduce them.

Cleaning amine units cost effectively

May-2021

Heat stable salts are dissolved or avoided by chemical products and cleaning methods during operations and turnarounds.

Detecting and dealing with hydrate formation

Apr-2010

A review of cause, detection and treatment of hydrate plug formation in gas pipelines. Gas hydrates are solid crystalline compounds, which have a structure ...

Increase process efficiency and service life of syngas process equipment

Mar-2025

(White Paper) - The syngas industry plays a crucial role in producing essential materials like ammonia, methanol, hydrogen, and synthetic fuels. However, ...