ARTICLES
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Controlling the dew point of natural gas
Jul-2015
Meeting water and hydrocarbon dew point specifications for natural gas without acid gas components
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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 ...
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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 ...
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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
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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 ...
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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.
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Apr-2013
A careful evaluation of the options for removing mercury from natural gas plant feed and product streams is a prudent exercise
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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
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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 ...
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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 ...
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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
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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
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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Developments in H2S scavenging
Jun-2018
Advances in the application of triazine scavengers have significantly improved process efficiencies.
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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.
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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 ...
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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.
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Handling mercury in gas processing plants
May-2017
Advances in the safe treatment and disposal of mercury in gaseous and liquid streams.
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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 ...
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Solutions for the treatment of highly sour gases
Apr-2012
Process technologies for the cost-effective treatment of natural gas with high and ultra-high acid gas content
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Importance of heat maintenance in sulphur recovery units
Mar-2016
While sulphur recovery in an SRU depends on the condensation and removal of elemental sulphur, its unintended condensation and accumulation can present ...
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Modelling ethane absorption in MEA solution
Jun-2018
Solving foaming problems related to absorption of hydrocarbon and feed contaminants by amine solution.
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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
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Pricing licences for gas processing units
Mar-2021
How technologies can be selected on the best licensing terms.
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Hydrogen recovery from refinery off-gas – Part 1: An overview
May-2024
Using next-generation hydrogen separation membranes to recover unused hydrogen wherever possible.
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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. ...
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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.
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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.
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Feb-2021
Responses to a question in the Q1 2021 issues Q&A feature
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Revamp of a methanol wash column
Jun-2022
Installation of high performance trays and internals enabled a successful revamp for a syngas purification process.
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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 ...
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Mar-2021
A process for wet scrubbing off-gases from the SRU helps preserve neighbourly relations.
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Neutralising amine selection for crude units
Jun-2021
Making a proper selection of neutralising amine chemistry is a challenging task.
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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.
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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.
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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 ...
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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.
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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 ...
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Feb-2021
Responses to a question in the Q1 2021 issues Q&A Feature
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Jun-2021
Advances in floating liquefied natural gas production technology are becoming an important factor in maintaining sustained growth of the natural gas i ...
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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 ...
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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.
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Cleaning amine units cost effectively
May-2021
Heat stable salts are dissolved or avoided by chemical products and cleaning methods during operations and turnarounds.
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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 ...
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Intervening when feed gas is too lean: Heavies removal challenges for LNG projects
Apr-2023
UOP and Kiewit, based on previous work experience, have found that one size does not fit all when it comes to gas treating for LNG plants.
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From waste to clean energy: The acid path to reducing CO2 emissions
Oct-2024
Case study explores environmental benefits of the WSA process to capture waste heat, enhance energy efficiency, and reduce the refinery carbon footpri ...
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Optimise sulphur recovery plant emissions during unit upset conditions
Jul-2024
Knowledge, understanding, and awareness training are essential to maintain process instrumentation for optimal information gathering.
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Sour gas and liquid treatments: Sulphur recovery and removal
Jul-2024
Sulphur removal and sour gas processing ensure contaminants are removed from liquid and gas streams.
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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 ...
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Sulphur reduction, sulphur removal, and spent caustic reuse
May-2024
Demand for flexible sulphur recovery solutions is increasing, including wet air oxidation, deep neutralisation, incineration, and processes that need sustainable ...
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Dryout design considerations for cryogenic gas plants: Part 1
May-2024
A well-conducted cold plant dryout will help plant commissioning and ensure start-up goes smoothly and does not last any longer than necessary.
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Testing and effects of pipeline chemicals on gas processing facilities
May-2024
Minimising, replacing, and properly using pipeline chemical additives causing foaming and/or solids formation will alleviate detrimental effects in amine ...
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Hydrogen recovery from refinery off-gas – Part 1: An overview
May-2024
Using next-generation hydrogen separation membranes to recover unused hydrogen wherever possible.
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On the fly vs high-performance H2S selective solvent
May-2024
A focus on highly selective designs in low-pressure tail gas treating units using BASF’s proprietary technology in comparison to generic MDEA soluti ...
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27 years of reliable sulphur removal
Oct-2023
LO-CAT® technology is a liquid reduction-oxidation (redox) process that uses catalyst in an aqueous solution to convert hydrogen sulphide into elemental ...
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Spent caustic treatment and reuse
Sep-2023
Advances in environmentally friendly technologies, such as spent caustic treatment technologies, are key to the industry’s transition towards environmental ...
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Reduce the carbon footprint of tail gas treating with reactivated catalysts
May-2023
Times have changed since catalytic processes were established.
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Intervening when feed gas is too lean: Heavies removal challenges for LNG projects
Apr-2023
UOP and Kiewit, based on previous work experience, have found that one size does not fit all when it comes to gas treating for LNG plants.
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COS and mercaptans removal from gases
Apr-2023
Challenges with removing trace sulphur species can be better understood and resolved with a new kinetic model validated by plant data in its ability to ...
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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.
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Environmental and economical benefits of improving amine unit operations (ERTC)
Nov-2022
Amine unit in refineries - The alkanolamine system in a refinery, better known as the ‘amine unit’, is used to remove hydrogen sulphide (H₂S), carbon ...
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Using reactivated hydroprocessing catalysts in TGTUs for financial and sustainability rewards (ERTC)
Nov-2022
For over 40 years, the global petroleum refining industry has successfully been reusing hydroprocessing catalysts through ex situ reactivation, to capitalise ...
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Hydroprocessing catalysts sulphiding with DMDS: Carelflex® Connect brings more than IIoT (ERTC)
Nov-2022
Two years after the launch of its new digital Carelflex® service, Arkema has greatly improved the content of its digital platform known as Carelflex® ...
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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. ...
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Nov-2022
Chemical absorption is both technically and economically feasible for biogas upgrading under atmospheric conditions, thereby avoiding the need for com ...
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Efficient and cost-effective amine purification process
Oct-2022
In refineries and gas processing complexes, H₂S and CO₂ present in the sour gases are removed using an aqueous solution of alkanolamine.
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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 ...
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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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Revamp of a methanol wash column
Jun-2022
Installation of high performance trays and internals enabled a successful revamp for a syngas purification process.
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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.
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Unicat next Generation Filtration System
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Topsoe catalyst portfolio
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Ethylene podcast
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Downstream industry process diagnostics
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Precious Metal Refining
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Extensive tray portfolio
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Safeguard your refinery against biofilm
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Thermal systems to optimize your refinery
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Valves and Pumps for the Energy Industry
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FCC catalysts and additives
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