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Advances in crude to chemicals
Apr-2021
In mature markets like the US, refineries are revisiting their business models, asset base and technology options. This is due to regional and global changes ...
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New wave sulphur recovery in Mexico (TIA)
Apr-2015
Pemex has successfully started up a SmartSulf unit treating amine acid gas and sour water stripper gas at a refinery in Salamanca, Mexico.
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Wireless instruments in corrosive and hazardous locations
Jun-2018
Wireless instruments introduce a range of benefits in corrosive and 
hazardous process areas.
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High-efficiency filtration extends SRU cycle length (ERTC)
Nov-2017
At a facility in the heart of Western Europe, engineers had all but resigned to their fate: every 60 days, they would have to 
take down a whole ...
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Retrofitting selective catalytic NOx reduction for gas turbines
Dec-2019
Selective catalytic reduction is an effective alternative to combustion management technologies to achieve NOx compliance with existing and new gas tu ...
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Mar-2017
Market for short stroke moderate speed reciprocating compressors in downstream process gas compression
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There are more roads that lead to Rome. Which is the best route for you?
Dec-2013
In our modern society the need for energy is still increasing in a rapid pace, with expectations that hydrocarbon fuels production will have to almost ...
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Meeting emission targets with potential savings
Nov-2017
New solvent and catalyst technologies deliver a step change in tail gas treating performance for green- and brownfield sites.
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Simulation of Claus unit performance
Nov-2019
Simulating a sulphur recovery unit using a fundamental approach enables the effects of process changes on a host of performance metrics to be reliably ...
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Accurate, real-time H2S measurement achieved with in-line analyser (ERTC)
Nov-2017
Arkema, in keeping with its policy of innovation, introduces an additional service to its current Carelflex service that helps refiners to perform the ...
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Precision comparison between ASTM test methods D7039, D2622, and D5453
Sep-2018
For many years, professionals in the petroleum industry have faced challenges regarding compliance and quality of product.
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Reconsidering the business case for catalytic dewaxing (ERTC)
Jan-2019
Most refineries try to optimise their product mix to satisfy market demand for ultra-low sulphur diesel (ULSD) with good cold flow properties during cold ...
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How refiners can optimise for IMO 2020
Feb-2020
Refineries with configurations not best suited to new sulphur limits will need to focus on improvements in operational efficiency.
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Dynamic column simulation delivers reduced relief load
Jan-2018
Dynamic modelling of a gasoline hydrodesulphurisation column simulates the column relief profile during power failure
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Jul-2020
Expanding the capacity of sulphur recovery and tail gas units requires a thorough review of all plant systems.
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Feb-2021
Responses to a question in the Q1 2021 issues Q&A Feature
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In-line H2S analysis during sulphiding (ERTC)
Jan-2019
Real-time, in-line analysis of the H2S concentration during hydroprocessing catalyst activation with DMDS Evolution E2 reduces the risk of exposure to ...
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Dealing with more sulphur post-IMO 2020
Feb-2020
Combinations of revamping opportunities enable SRUs to deal with higher throughput arising from lower limits for sulphur in marine fuels.
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Jun-2018
Achieving the right sulphur plant capacity and configuration is crucial to the proper operation of a refinery.
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Is there an alternative to conventional hydrotreating of FCC naphtha that will reduce octane loss?
Feb-2021
Responses to a question in the Q1 2021 issues Q&A feature
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Refiners respond to challenge (ERTC)
Nov-2017
It seems that only yesterday European refiners were facing catastrophic decline. With three million barrels of annual capacity taken off-line in the years ...
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Tail gas hydrotreating in a high H2S gas plant
Jun-2021
A tail gas hydrotreating catalyst delivers stable sulphur recovery operations, including low emission levels and energy savings, with a low rate of de ...
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Get 20% more hydrogen than nameplate in your next turnaround
May-2020
A foil-supported catalyst meets increased hydrogen demand within a normal turnaround.
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Process development for Tier 3 low sulfur gasoline
Oct-2018
Gasoline sulphur is being reduced in the United States to meet the EPA’s Tier 3 standard which requires an annual average of 10 ppm sulphur by 2020.
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Sulphur spiking agents for hydroprocessing units activation (ERTC)
Dec-2021
The hydroprocessing process employs catalysts in which the active species are molybdenum or tungsten sulphides promoted by cobalt or nickel sulphides. ...
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Advances in HF acid alkylation conversion and expansion
Dec-2017
Recent technology developments offer economic conversion and expansion of HF acid alkylation units for sulphuric acid operation.
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Best practices for improved sulphur repeatability
Mar-2019
There has been an increased need for quality data as petroleum labs around the globe are tasked with adhering to stricter sulphur regulations.
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Addressing the sour gas challenge
Dec-2019
Recent developments in corrosion resistant alloys help operators to overcome the challenges of hydrogen sulphide induced cracking in pipelines and key ...
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Sep-2015
In order to comply with ever-tightening regulations, shipping operators must find ways to reduce atmospheric emissions. Carrying as much as 90% of world ...
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Spent sulphuric acid regeneration (SAR) process
May-2012
Several chemical processes utilise concentrated sulphuric acid as a catalyst or dehydrating agent, in which the acid becomes “spent”; ie, weakened ...
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In-line H2S analysis during sulphiding (ERTC)
Jan-2019
Real-time, in-line analysis of the H2S concentration during hydroprocessing catalyst activation with DMDS Evolution E2 reduces the risk of exposure to ...
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Mar-2010
Near net shape refractory forming technology and its use to create significant process improvement. The vast majority of refractory, by volume, used in ...
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Laser based analysis for thermal incinerators
Nov-2019
An analyser design based on a tunable diode laser aims for more reliable and cost-effective combustion measurement in sulphur removal operations
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Selective FCC naphtha desulphurisation
Apr-1999
By combining specially designed catalyst and process technology, the SCANfining process selectively removes sulphur from FCC naphthas while preserving ...
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Extending the treatment of highly sour gases: part 1
Oct-2013
The removal of acid gas components from highly or super-sour gases requires the optimum choice of process
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Optimise the route to emissions compliance
Aug-2017
Increasingly stringent SO2 emission regulations may demand smart and 
cost-effective alternatives to generic amine based tail gas treating units ...
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Digitalisation in refining and petrochemicals
Dec-2019
The introduction of IIoT technologies is helping two companies improve their decision making and performance.
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Revamp options for improved diesel
Jan-2001
Integration of cocurrent and countercurrent reactor systems into existing hydrotreaters makes various revamp options possible, providing opportunities ...
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Using surplus equipment in hydroprocessing units
Jan-2002
An examination of the economics, maintenance considerations, design and other questions in purchasing used versus new equipment for plants, not only in ...
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Improvements to increase fuel capacity and quality
Oct-2002
By using staged technology upgrades, fuels production at the Jiddah refinery was expanded and quality improved, meeting market and regulatory criteria
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Ultra-deep desulphurisation of gas oils
Feb-2003
In order to choose the right combination of catalyst and technology for the production of diesel with 10ppm sulphur or less, it is essential to have a ...
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Hydrotreater revamps for ULSD fuel
Oct-2003
Scope and capital investment for revamping an existing diesel hydrotreater to meet the 15wppm sulphur standard. The base design is typical of hydrotreaters ...
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Enhancing SRUs with oxygen-enriched air
Apr-2005
As clean fuels regulations become more stringent, refiners looking for new ways to boost the capacities of their existing sulphur-recovery units are turning ...
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Next generation BRIM catalysts
Mar-2010
Five years following the launch of the first BRIM* technology, Haldor Topsoe recently commercialised the next generation BRIM catalysts made with improved ...
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Enhanced sulphur recovery from lean acid gases containing COS and mercaptans
Apr-2010
Claus configurations are available for more effective sulphur recovery from lean acid gas containing significant concentrations of organic sulphur com ...
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An optimum line-up for sour gas processing
Apr-2010
Analysis of technical, economic and licensing considerations in the selection of an optimum gas treating line-up recommends a choice of technologies
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Enhanced sulphur recovery from lean acid gases
Apr-2011
A preferred acid gas enrichment scheme is combined with two gas-treating schemes to examine the lifecycle cost of a sour natural gas treatment facilit ...
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Gasoline and diesel imbalances in the Atlantic Basin: part II
Oct-2011
Options to re-orientate a refinery’s production towards middle distillates. European refineries currently produce a surplus of gasoline and insufficient ...
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Oxygen enrichment in desulphurisation
Jan-2012
Oxygen enrichment technology is a viable and a cost-effective solution for significantly increasing sulphur treatment capacity
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Challenges and opportunities of 10 ppm sulphur gasoline: part 1
Jul-2012
Prospect of a worldwide standard for ULSG and the challenges of increased heavy crude supplies demand careful consideration and selection of refinery ...
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Tail gas catalyst performance: part 1
Jul-2014
The first part of a two-part account of time and temperature effects on tail gas catalyst performance provides a background to reaction modelling and pilot ...
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A few sweet tricks for sour gas
May-2014
Large volumes of acid gas (H2S and SO2-rich gas) are generated from various technologies used to sweeten sour off-gases, or acid gas.
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Predicting corrosion rates in amine and sour water systems
May-2014
A chemistry-based predictive model predicts corrosion rates in specific processing conditions. Corrosion is a ubiquitous problem in gas treating in the ...
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Apr-2014
A novel approach to the conversion of hydrogen sulphide to elemental sulphur is expected to extend the economic range for Claus plants.
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Risks of accumulated sulphur in sulphur recovery units
Apr-2014
While recovering sulphur in an SRU depends on condensation of sulphur, its unintended condensation and accumulation can present problems.
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More yellow stuff, where do we put it?
Feb-2014
Increasing flexibility for disposing of excess sulphur. Mega projects, mostly in the Middle East region, have dominated discussions involving sulphur recently. ...
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Field experience with a Claus furnace checker wall
Jan-2014
A new design of Claus furnace checker wall delivers improved mechanical performance and process flow characteristics.
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Extending the treatment of highly sour gases: cryogenic distillation
Jan-2014
Cryogenic bulk removal of H2S or CO2 offers an economic advantage when the separated acid gases from super sour gas are re-injected
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Optimising hydrogen sulphide scavenging
Jan-2014
Selecting the right hydrogen sulphide scavenger is important, but appropriate treatment setup and tailored monitoring procedures are key to avoiding o ...
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There are more roads that lead to Rome. Which is the best route for you?
Dec-2013
In our modern society the need for energy is still increasing in a rapid pace, with expectations that hydrocarbon fuels production will have to almost ...
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Sulphur recovery from lean 
sour gas streams
Nov-2013
Gas streams are often treated with amine or membrane systems to meet specifications before the gas can be sent to a pipeline or used in a fuel gas system. ...
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Extending the treatment of highly sour gases: part 1
Oct-2013
The removal of acid gas components from highly or super-sour gases requires the optimum choice of process
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How glycols affect acid gas removal
Oct-2013
How to control the amine unit’s full acid gas capture performance over time and so avoid operational surprises involving glycol build-up
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Improved performance of the Benfield-HiPure process using process simulation
Oct-2013
Natural gas processing plants are an essential part of the energy industry, providing clean burning fuels and valuable chemical feedstock.
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Improving reaction furnace performance with the Blasch VectorWall mixing checkerwall
Sep-2013
Operators of large refractory lined combustion chambers, whether used as primary reaction furnaces, thermal oxidisers in tail gas units or miscellaneous ...
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Putting a better spin on combustion
Jul-2013
How the incorporation of a mixing checkerwall can increase acid gas enrichment plant capacity, eliminating the need for additional train
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New step-out hydroprocessing technology
Mar-2013
Haldor Topsøe has recently commercialised a new hydroprocessing technology designated HyBRIM. This production technology is launched eight years after ...
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Jan-2013
Issues that arise when transporting liquid sulphur away from the production site. It is a fairly common occurrence to see tank trucks or rail cars transporting ...
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Jan-2013
Poor-quality crude oils and strict environmental regulations promote the use of technologies that favour energy savings and environmental protection
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The age of turbulence: charting a course for refiners to a profitable future
Nov-2012
Relentless turbulence has profoundly affected the global refining landscape in recent years. Moreover, the turmoil is likely to continue unabated in the ...
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Challenges and opportunities of 10 ppm sulphur gasoline: part 2
Oct-2012
Economic evaluation of processing options for ultra-low sulphur gasoline compares severe pretreatment with a combination of pre- and post-treat soluti ...
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Hydrogen - the key refinery enabler
Aug-2012
In the 21st century, the term “scraping the bottom of the barrel” has become quite literal to the refining industry and hydrogen comes to the fore ...
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Challenges and opportunities of 10 ppm sulphur gasoline: part 1
Jul-2012
Prospect of a worldwide standard for ULSG and the challenges of increased heavy crude supplies demand careful consideration and selection of refinery ...
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Spent sulphuric acid regeneration (SAR) process
May-2012
Several chemical processes utilise concentrated sulphuric acid as a catalyst or dehydrating agent, in which the acid becomes “spent”; ie, weakened ...
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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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Sulphur reduction, sulphur removal, and spent caustic reuse
May-2024
(White Paper) - Demand for flexible sulphur recovery solutions is increasing, including wet air oxidation, deep neutralisation, incineration, and processes ...