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Jan-2023
What is the best estimation for refinery and petrochemical product demand in 2023?
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Increasing profit in hydrocracking and diesel hydroprocessing
Jun-2021
A drop-in catalyst for hydrocracking pretreat and distillate hydrotreating raises activity with heat management savings.
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Multi-phase project enables switch to heavier crude (TIA)
Aug-2021
In recent years, deasphalted oil (DAO) hydrocracking has emerged as a highly attractive investment option, principally because it provides the opportunity ...
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Feb-2024
Part 1 covered the basics of crude-to-chemicals. Part 2 explains how hydroprocessing technology can be used to convert any crude to chemicals to maximise ...
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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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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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Technical solutions for hydrotreating
Nov-2023
Revamps and turnarounds allow time to upgrade hydroprocessing units to make refineries both profitable and sustainable
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From thermal maldistribution to cycle length extension
Apr-2023
How Tüpraş enhanced the performance of a distillate hydroprocessing unit by cost effectively cracking more of the heavier components to diesel.
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Evaluating purchased feedstocks for hydrocrackers and hydrotreaters
Sep-2023
Over the years in my career, I came to respect traders who could locate, negotiate, and purchase cheap feedstocks. The good traders seemed like sharks ...
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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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Catalyst rejuvenation offers circular solution for hydroprocessing catalysts
Apr-2024
Recover the full activity of spent hydrotreating catalyst to ensure their reuse without performance loss.
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Developments in refining catalysts
Feb-2020
New catalyst technologies underpin increasing flexibility in refineries’ response to changes in demand for their output.
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Co-hydroprocessing renewable feedstocks through hydrocrackers
Apr-2023
A wider variety of feedstocks are being processed through hydrocracking units. These units were primarily designed to process heavy crude oil or vacuum ...
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What makes hydroprocessing different to other refining technologies?
Dec-2022
Most of the people that have worked around refineries for some time, feel that they have mastered the basics of the major refining technologies and feel ...
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Guiding the crude-to-chemicals complex towards a net-zero future (RI 2023)
Nov-2023
In today’s world, the expanding chemical value chain requires superior processing flexibility to shift hydrocarbons from fuels to olefins and aromatics ...
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Interview with Dan Gillis, Director Technology at Chevron Lummus Global
May-2020
Entering China’s downstream market as a licensor, approaching potential clients at oil and gas events and switching to biofuels: Dan Gillis, Director, ...
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From thermal maldistribution to cycle length extension
Apr-2023
How Tüpraş enhanced the performance of a distillate hydroprocessing unit by cost effectively cracking more of the heavier components to diesel.
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The future for hydrocracking: part 2
Feb-2018
Technical solutions and strategies for innovative hydrocracking technologies are needed to meet challenging environmental legislation and future market ...
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Hydroprocessing upgrades to meet changing fuels requirements
Oct-2009
Adapting installed hydroprocessing units through a variety of schemes enables refiners to shift their fuels slates to meet changing demand and specifi ...
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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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Designing and engineering catalysts for hydrotreating
May-2017
Advanced analytical and experimental techniques combine in the development of a new hydrotreating catalyst.
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Refinery CO2 challenges: part IV
Oct-2006
The strategic energy review approach is summarised and results from recent studies conducted at a European refinery are discussed
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Hydrocracker revamp for Grangemouth refinery
Jul-1998
BP Oil’s Grangemouth refinery has completed an extensive revamp of its hydrocracker and FCC, reducing production of fuel oil and upgrading to middle ...
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Understanding basic principles of flow calculations
Mar-2008
Valve size often is described by the nominal size of the end connections, but a more important measure is the flow that the valve can provide.
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Catalyst rejuvenation offers circular solution for hydroprocessing catalysts
Apr-2024
Recover the full activity of spent hydrotreating catalyst to ensure their reuse without performance loss.
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Leveraging hydrocracking to upgrade low value streams
Aug-2017
Flexible design of hydrocracking catalyst systems enables maximum conversion of lower value feed streams into more valuable liquid products.
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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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Technical solutions for hydrotreating
Nov-2023
Revamps and turnarounds allow time to upgrade hydroprocessing units to make refineries both profitable and sustainable
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Guiding the crude-to-chemicals complex towards a net-zero future (RI 2023)
Nov-2023
In today’s world, the expanding chemical value chain requires superior processing flexibility to shift hydrocarbons from fuels to olefins and aromatics ...
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Unicracking unit flow scheme optimisation and integration
Nov-2023
How an optimisation and integration approach can assist in maximising refinery margin for a residue upgrading project.
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ULSD production: improved feed stream quality
Apr-2003
Much of hydrotreater revamp investment costs in future will be in dealing with the most difficult-to-remove sulphur species, because of their low reaction ...
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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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Best practices for producing ultra low sulphur diesel
Jul-2002
This article presents a methodology for approaching low sulphur diesel design with low pressure reactor solutions. It reviews commercial cases showing ...
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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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Getting the maximum from hydroprocessing reactors
Oct-2001
Recent advances in hydrotreater catalyst formulations mean that, with careful attention to distributor design and other mass transfer improvements, it ...
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Beating pressure drop with a trash baskets redesign
Jan-2001
Unscheduled turnarounds of hydrotreaters can be expensive in terms of catalyst and manpower costs, as well as the value of lost production
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Improved reactor internals for HGO hydrotreaters
Oct-2000
Reactor internals of a plant’s heavy gasoil hydroprocessing units, which became inadequate for the operations they were originally designed for, have ...
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Increasing hydrocracker capacity at low cost
Jul-2000
Detailed case studies are presented, illustrating the planning and working methods that were followed in revamping the hydrocrackers at two refineries, ...
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Performance optimisation of fixed bed processes
Apr-1999
An extensive range of hydroprocessing technologies has been developed through a combination of long-term R&D commitment and commercial experience
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Operational life improvements in modern hydroprocessing reactors
Apr-1999
Major problems that occur during the service life of hydroprocessing reactors can result from existing manufacturing flaws and the high temperature and ...
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Hydrocracker revamp for Grangemouth refinery
Jul-1998
BP Oil’s Grangemouth refinery has completed an extensive revamp of its hydrocracker and FCC, reducing production of fuel oil and upgrading to middle ...
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Catalytic distillation to enhance gasoline quality: Part II
Jul-1998
European regulations covering gasoline quality standards have moved on since Part I of this article. With further reductions in sulphur levels now likely, ...
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Catalytic distillation to enhance gasoline quality: Part I
Apr-1998
Initiatives towards the improvement of gasoline motor fuel quality means refiners must modify their processing facilities to meet higher standards
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Converting VGO HDS units to moderate pressure hydrocracking
Jul-1997
An introduction to the technology of MAK Moderate Pressure Hydrocracking (MPHC), together with details of a successful revamp at the Chiba refinery of ...
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FCC feed preparation for improved quality
Apr-1997
The benefits of hydrotreating heavy gas oil FCC feedstocks at different levels of severity are discussed in this article, particularly the operating success ...