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Salt deposition in FCC gas concentration units
Oct-2009
Various operational problems can arise when ammonium chloride deposition occurs in FCC gas concentration units, and there is a range of likely causes
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Profiting with FCC feedstock diversity
Jul-2006
Gasoline sulphur-reduction catalysts and additives can provide additional options and flexibility while maximising refinery profitability
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Avoiding FCC regenerator upsets
Feb-2006
Examination of all unit operating conditions indicates that lowering the regenerator bed level will eliminate catalyst upsets and increase unit charge ...
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HCN and NOx control strategies 
in the FCC
Apr-2014
Results of research into emissions from the FCC, plus guidance on how to obtain the minimum level of NOx.
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The importance of using pilot plant testing for FCC catalyst selection
Aug-2013
In the EMEA region, over 65% of refineries perform catalyst testing prior to selecting FCC catalysts for their units.
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Hydrogen transfer and ZSM-5 in maximising propylene
Apr-2015
Used at high concentrations to maximise propylene from the fluid catalytic cracking unit, ZSM-5 strongly influences a complex matrix of reactions.
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Zero and low rare earth FCC catalysts
Oct-2011
Blends of rare earth-free and rare earth-based catalysts for resid feed FCC applications have maintained and even improved performance
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Jan-2012
Catalyst solutions help to improve the profitability and reliability of 
reforming units
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TUD-1: a generalised mesoporous catalyst family for industrial applications
Dec-2008
The article discusses the synthesis, characterisation and applications of a very unique mesoporous material, TUD-1
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Bayernoil mild hydrocracker CATnap application
May-2012
On 21 January, Bayernoil, Neustadt, successfully shut down the mild hydrocracker (MHC) using the CATnap catalyst passivation process applied by Cat Tech ...
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Effect of reactor inlet temperature 
in a hydrotreater
Sep-2018
Solving a problem of pressure drop in a naphtha hydrotreater led to fresh insights into the role of reactor inlet temperature.
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FCC catalysts and additives for cost and emissions control
Oct-2012
A rare earth-free catalyst enabled a refinery to reduce its FCC catalyst costs and a non-platinum combustion promoter helped control NOx emissions
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Reducing sulphur oxide emissions from the FCC unit
Feb-2010
Application of a SOx-reduction additive enabled a refiner to meet a pressing requirement to reduce emissions from its FCCU
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Nov-2017
Collaboration between technical and project teams enabled the fast-track replacement of an FCC unit
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Optimising the FCC regenerator for reduced emissions
Oct-2010
Increasing scrutiny of FCC stack emissions calls for special attention to be paid to the regenerator’s combustion zone
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Catalyst testing for hydrocracking and hydrotreating
Jan-2015
High throughput experimentation techniques enable performance testing of 
commercial catalysts with real feedstocks such as deasphalted oil
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Improving FCC catalyst performance
Mar-2006
Higher volumes of heavier feeds can be processed with additives designed to enhance base catalyst effectiveness. Deactivation and dehydrogenation problems ...
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Improving cold flow in diesel fuel
Feb-2021
Hydrotreating arrangements that overcome challenges to diesel’s cold flow properties meet current specifications more economically than blending and ...
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The fastest route to higher octanes
May-2016
The refinery octane pool is balanced and determined by the aggregate performance of multiple process units.
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Jan-2006
Staged investment and reformer technology improvement strategies are available for increasing hydrogen production, cycle time and reliability
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Reducing NOx emissions from FCC regenerators
Mar-2009
Case study demonstrates the performance of new technology for reducing NOx emissions in regenerator flue gas. The new developments reduce NOx emissions ...
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Catalysts for maximising middle distillates
Jan-2012
Collaboration in catalyst development and application, from laboratory scale to commercial operation, enabled a refiner to achieve production objectiv ...
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Optimising middle distillate production in a hydrocracker
Apr-2017
How to maximise middle distillate production and assure product quality from a range of hydrocracking catalysts and processing schemes.
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Future fuel - the challenges associated with renewable diesel hydrotreating
May-2016
As a consequence of the general concern about fossil fuel resources and global warming from CO2 emissions, the use of alternative, sustainable sources ...
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A method for crude oil selection and blending optimisation based on Improved Cuckoo Search algorithm
Mar-2014
Refineries often need to find similar crude oil to replace the scarce crude oil for stabilising the feedstock property. We introduced the method for calculation ...
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Maximising profitability with FCC feeds from opportunity crudes
May-2015
Case studies show how to achieve optimal monetisation value with opportunity feeds through operating strategies, innovative catalysts and technical st ...
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Jun-2016
Purification and dispersion strategies applied to hydroprocessing catalyst can improve reactor performance
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Apr-2017
Finite element analysis can be employed to improve the safety and quality of old or new designs and troubleshoot problems in the field
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Nov-2017
Collaboration between technical and project teams enabled the fast-track replacement of an FCC unit
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New catalysts for low and medium pressure hydrotreating
May-2019
A catalyst platform provides higher performance in middle distillate hydrotreating applications with limited hydrogen, difficult feedstocks and severe ...
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Jul-2019
New catalyst technologies and technical service support helped a refiner overcome difficulties with VGO conversion.
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Boosting hydrocracker heavy feed conversion
Apr-2020
New pore structure in nano-engineered zeolites helps to improve conversion efficiency of heavy molecules, improving product yields and qualities.
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Improving level control under extreme conditions such as in FCC units
Jun-2020
Catalytic cracking is one of the most important conversion process used in petroleum refineries. It is a widely used process in the refineries for converting ...
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Capturing value through integrated improvements at the FCC-PT—FCC complex
Jul-2020
Introduction: the importance of fcc-pt—fcc unit integration. As they strive to remain competitive in the face of changing market dynamics, many refiners ...
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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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Sep-2020
Tracerco technology can see inside the very heart of operations to determine why processes are not operating as expected.
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Oct-2020
Response to a question in the Q3 2020 issue of PTQ
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Oct-2020
Responses to a question in the Q3 2020 issue of PTQ
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Mid-cycle skim doubles run time and throughput (TiA)
Nov-2020
Not long after a recent summer turnaround, a major Gulf Coast refinery had a problem.
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Adding value with catalyst testing — supporting refineries in challenging times (ERTC)
Nov-2020
The refining industry is under enormous pressure to adapt to the global changes led by measures against climate change.
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Rare earths weaponised: the impact on FCC units from an escalation in global trade tensions (ERTC)
Nov-2020
Most refiners with FCC units do not need to be reminded of the chaos and financial pain resulting from the monumental 30-fold increase in rare earth metal ...
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How can we raise butanes production from our FCC unit?
Feb-2021
Responses to a question in the Q1 2021 issues Q&A Feature
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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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Feb-2021
Responses to a question in the Q1 2021 issues Q&A feature
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Accelerated catalyst screening and scale-up for aromatics alkylation
Mar-2021
Advanced high throughput experimentation workflow enabled the development of new catalyst materials for improved stability and regenerability.
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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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Maximising yields and profits from the FCC unit
Aug-2021
Comparative additive trials demonstrated a gain in petrochemicals output and profit from an integrated refinery’s FCC unit.
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Discovering hydrocracking units potential with pretreat and tailored hydrocracking catalysts
Sep-2021
A refiner uses pretreat and hydrocracking catalyst to maximise heavy naphtha, kerosene, and diesel production with improved product properties.
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Modelling and optimising bitumen hydrocracking
Nov-2021
A rigorous hydrocracking model for the quoted catalysts is used for predicting hydrogen consumption and product yields to maximise operating revenues.
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Nov-2021
Co-processing biogenic feedstocks offers refiners options for meeting renewable fuel standards and other regulatory requirements.
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Catalyst technologies for enhancing profitability in the energy transition
Oct-2022
Fuels derived from fossil sources have been the dominant global energy vehicle for several decades despite making inroads into alternative fuels.
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Enhancing flexibility in two-stage hydrocrackers
Aug-2022
Shifting markets and refined product priorities compels refiners to find the flexibility for shifting from middle distillate to naphtha for petrochemical ...
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Role of FCC process and catalysts in the energy transition
Aug-2022
In the evolving circular economy, proper leveraging of FCC technology and operations can deliver value for refiners in the decades going forward.
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Adsorbent choices help refiners find safer solutions
Aug-2022
For refiners, selection of the proper adsorbent, or combination of adsorbents, is critical to ensure the removal of all contaminants during olefin (such ...
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A step change in feed nozzle design
Aug-2022
How Shell’s Max Atomisation Feed Nozzle technology can improve FCC unit margins with minimal capital investment, including audited results from three ...
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FCC unit yield improvement with artificial intelligence
Aug-2022
How closed loop neural networks have improved FCC yields via direct control and continuous optimization.
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Rejuvenated catalysts optimise refinery margins in high severity ULSD applications
Jun-2022
Rejuvenated catalysts compare well with fresh catalysts for performance in high pressure ULSD applications with added cost savings.
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Transition to net zero: steps to decarbonise the oil refining industry
May-2022
A review of the solutions being employed by oil refineries to reduce their Scope 1, 2, and 3 greenhouse gas emissions.
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Taking hydroprocessing reactor cooling off the critical path
May-2022
Rapid cool-down of a typical hydroprocessing unit’s recycle gas compressor offgas can be used to cool spent reactor catalyst while avoiding the need ...
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Fibre-based specialty catalyst material maximises surface area and catalyst contact
Apr-2022
Customisable high surface area catalyst support material offers enhanced production for specialty chemical and industrial catalytic reactions.
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Forming a sustainable catalyst partnership
Apr-2022
What should you consider when looking for a partner to process catalyst materials for you? These rules can help you develop a successful sustainable and ...
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Performance of titania based tail gas catalyst at start-up
Apr-2022
Titania supported tail gas catalyst offers a number of operational benefits, particularly for TGTU installations operating with steam reheaters at low ...
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Co-processing renewable and recyclable feedstocks in the FCC unit
Apr-2022
As new regulations drive refiners to develop more sustainable processes to produce fuels and chemicals, they are exploring co-feeding renewable and recyclable ...
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Data quality obtained in refinery catalyst testing
Apr-2022
With high data quality (repeatability, reproducibility, and scalability) refiners can confidently determine the most efficient catalyst for their process ...
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Study of CCRU first reformer reactor ∆P behaviour using multiple linear regression
Apr-2022
Determinants and explanatory variables affecting the behaviour of the first reformer reactor ∆P are identified, with the aim of controlling it and ...
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The gauze catalyst for ammonia oxidation — a holistic approach
Mar-2022
The gauze catalyst for ammonia oxidation has a unique position among the catalysts of large-scale chemical industry, since, in contrast to the supported ...
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Optimising refinery margins with rejuvenated catalysts
Jan-2022
Rejuvenated catalysts compare well with fresh catalyst for performance and stability, with added cost savings.
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Hydroprocessing routes for flexible residue upgrading
Jan-2022
Efficient and flexible resid processing options maintain profitability and reduce risk when price volatility is high.
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Precious metals catalyst management: measuring quality of service (ERTC)
Dec-2021
In today’s highly competitive, global petroleum and petrochemical industry, the importance of supply management has never been greater.
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Game-changing catalytic dewaxing: Zeopore reaches 30°C cloud point improvement (ERTC)
Dec-2021
Making diesel winter-proof is currently an expensive process as refiners face high diesel yield losses or have to turn to expensive additives or kerosene ...
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A streamlined approach for FCC catalyst and additive management and order fulfilment (ERTC)
Dec-2021
Johnson Matthey is a global leader in sustainable technologies, and we apply our cutting-edge science to create solutions with our customers that make ...
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Optimising hydrotreating catalyst reuse with Excel rejuvenation technology (ERTC)
Dec-2021
The refining industry is currently under pressure to optimise profit margins in challenging financial conditions while adapting to a changing global climate ...
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The carbon negatives: impact of increasing carbon and coke in spent precious metals catalysts (ERTC)
Dec-2021
There is a trend in the petroleum and petrochemical refining industry over the past five years or so as an ever-increasing percentage of carbon is being ...
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Environmental impact of the precious metal value chain on refineries (ERTC)
Dec-2021
The world is aligned to fight climate change and has set challenging climate targets, which are shown, for example, in the Paris Climate Agreement.
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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. ...