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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 ...
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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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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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Avoid sulphur measurement bias from particulate settling in crude oil
Oct-2017
Petra MAX™ delivers advanced D4294 sulphur analysis in addition to 12 elements from P to Zn including Ni, V, and Fe.
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Automatic matrix correction for C/H ratio in 4294 sulfur analysis
Mar-2018
Recent international trends across a majority of fuel types have focused on lowering specifications for total sulphur. These changes in regulation are ...
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A new solution to eliminate centrifuge for sulphur in crude oil analysis
Jun-2018
Test methods for measuring sulphur content, like ASTM D4294 and ISO 8754, have become critical for assessing the value of crude oil.
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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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IMO 2020: meeting the challenge
Sep-2020
Developments in fuel additive technology address challenges and uncertainties raised by the IMO 2020 regulations
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Proactively preventing reactor runaway events
Aug-2023
A quantitative method for selecting emergency actions could prevent hydrocracker reactor temperature excursion and runaway while avoiding flaring.
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Revamp raises crude flexibility and profits (TIA)
Aug-2020
Hyundai Oilbank (HDO) has been operating an atmospheric residue desulphurisation (ARDS) unit, producing feed for the RFCC unit, at its Daesan, South Korea, ...
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Exhaust scrubbers are a viable option for IMO 2020 (ADS)
Dec-2019
With the goal to reduce airborne sulphur emissions, the International Maritime Organization (IMO) has mandated that international shippers use fuel with ...
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Drop-in catalyst generates more jet fuel and full range diesel (TIA)
Nov-2018
A North American refiner was producing ultra low sulphur diesel (ULSD) in a 800 psig hydrotreater.
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Introducing FUSION — the best of both worlds (ERTC)
Dec-2019
One of the keys to optimal FCC catalyst performance is striking the right balance between zeolite and matrix, both in terms of selectivity and activit ...
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Acid gas fired reheater control
Jun-2021
Operating as close as possible to the stoichiometric air-to-fuel ratio is advised for acid gas fired reheaters.
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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 ...
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May-2022
Fired heaters, also called furnaces, use the heat from combustion of hydrocarbons to increase the temperature of a fluid. Direct-fired heaters are common ...
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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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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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Catalyst responds to cold flow challenges (TIA)
Nov-2019
A Greek refiner needed to expand exports of automotive diesel oil beyond the saturated market in Greece.
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May-2020
To all our refining readers, especially those with mariners as customers, we send wishes for a successful IMO 2020.
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Feb-2023
Using SWSPlus technology to transform sulphur recovery facilities from a cost centre to positive cash flow.
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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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Arkema develops new digital features for the sulphiding of hydroprocessing catalysts (ERTC)
Nov-2020
In 2020, Arkema successfully tested and implemented a digital environment that both eases and strengthens data communication with the refinery during the ...
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Ultra low sulfur analysis in liquid petroleum products using MWD XRF
Dec-2016
The U.S. Environmental Protection Agency (EPA) recently enacted new, lower sulphur level requirements in gasoline through the Tier 3 rule, part of a comprehensive ...
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Get fast D4294 sulphur results without centrifuging
Feb-2019
Petroleum professionals looking to certify their products are commonly tied to specific method types for analysis.
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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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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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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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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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Monitoring and controlling emissions 
in Europe
Jan-2015
Implementing the EU’s Industrial Emissions Directive calls for quality and consistency in technologies for monitoring and controlling emissions.
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Oxygen enrichment and tube sheet protection (TIA)
Apr-2015
In sulphur recovery units (SRU), adequate protection of the waste heat boiler (WHB) tube sheet is needed. Many protection systems have failed either due ...
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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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New developments in acid gas removal
Jun-2015
One of the challenges when designing a natural gas treatment plant is to optimize the combination of the acid gas removal (AGR) unit and the sulphur recovery ...
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Jul-2015
Enersul Limited Partnership, located in Calgary, Alberta, Canada, developed the HySpecTM H2S degassing system in response to the sulphur industry’s need ...
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Dealing with depleting sour gas reserves Part 2
Oct-2015
Gas plants in western Canada will have to evaluate their sulphur recovery units for future turndown operation as sour gas production falls.
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Optimization of an existing Habshan II amine sweetening unit
Jul-2016
As part of its ongoing optimisation effort, Abu Dhabi Gas Industries (GASCO) is working with the Petroleum Institute (PI) and Bryan Research and Engineering ...
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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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A new solution to eliminate centrifuge for sulphur in crude oil analysis
Jun-2018
Test methods for measuring sulphur content, like ASTM D4294 and ISO 8754, have become critical for assessing the value of crude oil.
-
Drop-in catalyst generates more jet fuel and full range diesel (TIA)
Nov-2018
A North American refiner was producing ultra low sulphur diesel (ULSD) in a 800 psig hydrotreater.
-
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 ...
-
Catalyst responds to cold flow challenges (TIA)
Nov-2019
A Greek refiner needed to expand exports of automotive diesel oil beyond the saturated market in Greece.
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Case study: How Shell is navigating the energy transition (ERTC)
Dec-2019
Although the transportation sector’s trend towards electrification offers important climate change and air quality benefits, it presents many energy ...
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Introducing FUSION — the best of both worlds (ERTC)
Dec-2019
One of the keys to optimal FCC catalyst performance is striking the right balance between zeolite and matrix, both in terms of selectivity and activit ...
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Exhaust scrubbers are a viable option for IMO 2020 (ADS)
Dec-2019
With the goal to reduce airborne sulphur emissions, the International Maritime Organization (IMO) has mandated that international shippers use fuel with ...
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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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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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May-2020
To all our refining readers, especially those with mariners as customers, we send wishes for a successful IMO 2020.
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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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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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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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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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Fast turnaround for a SRU tail gas scrubber
Oct-2011
Reuse of groundwork and equipment, as well as previous experience in meeting permitting regulations enabled an 18-week turnaround of a tail gas scrubb ...
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Diesel hydrotreating and mild hydrocracking
Oct-2011
Increased hydroprocessing capability must provide an acceptable long-term return on capital, while producing the desired product yields and qualities
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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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Modelling for ULSD optimisation
Apr-2011
On-line coordination and optimisation of refinery process units led to a 10% increase in middle distillate production
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Utilising the checkerwall as a 
static mixer to improve SRU 
process performance
Oct-2010
A little more than a decade ago, as Blasch Precision Ceramics began to steadily grow their hex head ferrule business, they began to field requests from ...
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Designing for sulphur removal and storage: part II
Jul-2010
Selection of technologies for the sulphur block must serve legislative demands and the efficient operation of upstream processes
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Designing for sulphur removal and storage: part 1
Apr-2010
Selection of technologies for the sulphur block must serve legislative demands and the efficient operation of upstream processes
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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 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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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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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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A novel process to reduce aromatics and benzene in reformates
Oct-2009
A catalytic scheme for reducing the aromatics and benzene content in reformates without octane barrel loss uses existing reforming units at Moscow Oil ...
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Revamping hydrogen and sulphur plants to meet future challenges
Oct-2009
Revamp opportunities for hydrogen and sulphur plant operations in the era of clean fuels production offer significant benefits for refiners
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Impact of low-sulphur bunkers 
on refineries
Mar-2009
Proposed IMO global sulphur specifications on bunker fuels market and options available to reduce fuel oil sulphur are reviewed
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Jan-2009
Design considerations for clean diesel hydrotreating. Critical issues are 
discussed when designing a hydrotreating facility to produce diesel fuel ...
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Capture and convert - handling mercaptans in hydrocarbon streams
Dec-2008
With the development of increasingly difficult hydrocarbon streams, mercaptans emerge as a major nuisance. The removal and conversion of mercaptans is ...
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Sulphur tail gas thermal oxidiser systems
Dec-2008
SRUs (sulphur recovery units) in refineries and gas plants remove sulphur compounds from sulphur containing fuel gases and from natural gas and crude oil ...
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Phased investment 
for H2S removal
Oct-2008
Awareness of H2S removal process steps and how they can be combined to reduce costs compared to the use of a single sweetening unit operation
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Improving hydrotreater reactor performance
Jul-2008
Case study of a kerosene hydrotreater shows that combining new and old technologies - a unique inlet diffuser with Raschig rings - can significantly improve ...
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May-2008
The Shell Claus Offgas Treating (SCOT) process has been developed to remove sulphur compounds from Claus tail gas to comply with even more stringent emission ...
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New direct oxidation process for sulphur recovery
Apr-2008
First tests are due to be carried out this year on a newly developed catalyst. An offshore demonstration unit is to be used to recover sulphur from acid ...
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Securing fuel supply and reducing GHG emissions
Apr-2008
Six strategic options are available to refiners to satisfy future energy and environmental requirements in the light of surging oil prices and public concerns ...
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Key factors in selecting refractories for the hydrocarbon processing industry
Mar-2007
Longer campaigns, higher temperatures, and more oxygen all add up to increased wear and tear on process vessels and equipment and make proper material ...
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Improving sulphur recovery units
Jul-2006
A new alternative to the Claus unit tail gas treatment has been found in the wet gas scrubber. This can maintain or increase acid gas feed rates to the ...