ARTICLES
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Impact of bitumen feeds on the FCCU: part I
Jul-2008
The impact of processing bitumen-derived feeds on FCC operations and product yields is assessed, and the capital investments required to process varying ...
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Characterising and tracking contaminants in opportunity crudes
Jan-2014
The specific properties of contaminants in opportunity crudes affect the selection of crude slates for existing facilities and the design of revamps and ...
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Chemical analysis in amine system operations
Jul-2013
The array of contaminants that can disrupt the operation of alkanolamine systems needs to be precisely characterised and analysed
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Unconventional crude oil selection and compatibility
Mar-2011
Crude selection and compatibility considerations are a critical part of a successful refinery operation. Constantly changing quality conventional and unconventional ...
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Processing shale oil in an FCC unit: catalyst and profit optimisation
Aug-2015
Adjustments in base catalyst, use of ZSM-5 additives and metal traps enable efficient processing of paraffinic and heavy crude in the presence of metals ...
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Designing a crude unit heat exchanger network
Oct-2012
Preheat train design for heavy Canadian crudes can be very challenging, requiring an approach not normally required with other crudes
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Nov-2017
Thorough tank cleaning means removing all of the sludge and restoring the vessel’s full storage capacity.
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Upgrading residues for high levels of distillate production
Oct-2009
A slurry hydrocracking reactor technology demonstrates a high level of conversion of vacuum residues to distillate and gasoline
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Oct-2005
Process modelling and equipment know-how are needed to design deep-cut vacuum units that operate reliably at high temperature and low pressure
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Mitigating corrosion from naphthenic acid streams
Jan-2003
The authors describe how crude and side-cut analysis, laboratory and field data lead to strategies for managing high severity operating conditions needed ...
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Analysis method for determining bound and free alkanolamines in HSS contaminated solutions
Jul-1990
A conductometric titration method has been developed to determine the true available alkanolamine in solutions used for H2S and CO2 removal from refinery ...
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Canadian crude processing challenges
Jan-2008
Vacuum unit design influences liquid volume yields, run length, product yield and product quality when processing bitumen crude oils
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Nov-2017
A line-up featuring ebullated bed hydrocracking delivers full conversion of bitumen, including production of premium diesel fuel
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Strategies for improved naphtha processing
Oct-2013
To take advantage of dilbit from Alberta and light oils from shale formations, refiners must develop a strategy for processing additional naphthas and ...
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Light tight oil crude comparison
Mar-2015
The production method for Eagle Ford and Bakken is via fracturing of the tight or shale formations in two different North America regions. Crude from the ...
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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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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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Unique qualities of Canadian bitumen and synthetic crudes
Jan-2010
As production of Canadian bitumen and synthetic crude oil expands, North American refinery feed slates enter new territory in terms of crude oil quali ...
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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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Advances in residue upgrading technology
Apr-2002
A combination of mature technology and innovative catalyst design and process improvements provide the flexibility to upgrade heavier feeds
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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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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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Elimination of refinery sour gases and trace components
Jul-2007
Case study concerning elimination of sour gases and trace components from gasification gases. The objective is to produce pure hydrogen for hydrotreating ...
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Has the time for partial upgrading of heavy oil and bitumen arrived?
Oct-2009
Partial or field upgrading of heavy oil produces transportable synthetic crude oil and eliminates the need for diluents for transportation to refiners
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Analysing economic viability of opportunity crudes
Jul-2008
Challenges to refinery heavy oil upgrades are discussed. Demand for heavy and high-TAN crudes continues to rise as light sweet crude reserves decline. ...
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Aug-2019
Analysing desalter performance and improving crude blending capacity with multi-phase instrumentation and control.
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Jul-2014
Recovery factors achieved by improved recovery techniques indicate that crude oil reserves in Alberta’s bitumen sands are the largest on earth
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Wastewater treatment for challenging crudes
Jan-2018
A new organic polymer treatment has enabled refiners to more effectively process a variety of opportunity crudes
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Oct-2020
Responses to a question in the Q3 2020 issue of PTQ
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Apr-2006
An examination into the feedstock and process conditions where solvent deasphalting is the most appropriate technology for upgrading residue
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Processing high TAN crude: part II
Jan-2011
Huizhou, which is the first refinery for processing 100% high TAN crude, started up in 2009. This article describes the challenges of an opportunity crude ...
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Diverting low-sulphur heavy stocks for fuel oil production
Apr-2011
Studies enabled a refinery to divert low-value product stocks into higher-value products and preserve crude throughput levels
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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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Has the time for partial upgrading of heavy oil and bitumen arrived?
Oct-2009
Partial or field upgrading of heavy oil produces transportable synthetic crude oil and eliminates the need for diluents for transportation to refiners
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Improving level control in desalters to aid in use of opportunity crudes
Sep-2019
Refineries are a complex set of various operating units designed to process crude oil into refined products such as gasoline, diesel, jet fuels and feedstocks ...
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Elimination of refinery sour gases and trace components
Jul-2007
Case study concerning elimination of sour gases and trace components from gasification gases. The objective is to produce pure hydrogen for hydrotreating ...
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Maximise yields of high-quality diesel
Jun-2012
Global growth in distillate demand has driven refiners to investigate ways to increase middle distillate yields. Figure 1 shows the diesel-gasoline spot ...
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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 reactive heavy oil process operation
Oct-2014
Characterisation of feed and product yields through component structures for better understanding and prediction of operations
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Cuba’s oil: due for development
Apr-2017
Cuba’s ambitions for energy self-sufficiency require major investment in the nation’s oil reserves and refining industry
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Crude fingerprinting and predictive analytics
Jul-2017
Predictive modelling technology has been developed to predict the behavioural characteristics of crude oils and their blends
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Oct-2020
Response to a question in the Q3 2020 issue of PTQ
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Delayed coker revamp for a capacity increase
Mar-2021
Revamping to a three-drum coker arrangement delivered improved product yields, higher throughput, and greater feedstock flexibility.
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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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Crude oil selection: optimisation by weight or by volume?
Apr-2010
The LP model should optimise crude and products in their trading units for accurate assessment of crude oil worth and maximisation of gains from product ...
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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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Heavy feed characterisation: a molecular approach
Jun-2018
Characterising heavy feeds on a molecular basis, together with kinetic studies, accurately predicts the reactivity of a wide range of vacuum residues.
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Estimating bitumen viscosity for revamps
Oct-2014
Accurate viscosity data for dilbit and its heavy residues define the scope of revamps required to process the feed in crude and vacuum units
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Evaluating opportunity crude processing
Oct-2006
Is processing opportunity crudes for every refiner? Technical challenges and economic benefits from processing high-acid crudes and bottom-of-the-barrel ...
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Upgrading residues for high levels of distillate production
Oct-2009
A slurry hydrocracking reactor technology demonstrates a high level of conversion of vacuum residues to distillate and gasoline
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Tier 3 gasoline from tight oil crudes
Jun-2017
Assessing process schemes to counter loss of gasoline road octane when the crude feed includes tight oil
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Cuba’s oil: due for development
Apr-2017
Cuba’s ambitions for energy self-sufficiency require major investment in the nation’s oil reserves and refining industry
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Jan-2017
In 2016, global growth should fall to 3.1% before rising back up to 3.4% in 2017 according to IMF’s latest estimations. Long-term perspectives in industrialised ...
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The challenges of crude blending - Part 2
Jun-2016
The second part of a two-part article details the importance of crude selection and blending strategies to prosper in a low cost yet volatile market.
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Improved stripper efficiency raises upgrader production
Jun-2016
Revamping a heavy oil upgrader’s steam stripping tower increased tray efficiency and achieved record throughput.
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Decontamination of a crude/vacuum unit (TIA)
Apr-2016
A major oil company wanted to make a final validation of ITW Online Cleaning and ITW Improved Degassing/Decontamination technologies to use them strategically ...
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Monitoring against process problems
Apr-2016
Careful monitoring for preheat exchanger fouling and H2S release during unloading is vital when tight oil blends are processed.
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The challenges of crude blending - Part 1
Feb-2016
Declining crude prices encourage more spot purchases that save costs, but mixing different grades can create headaches for refiners.
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Jan-2016
2015 was highlighted by a crude oversupply of 1.3 million b/d, which played a part in keeping oil prices at a low level, fluctuating between $40 and $60/bbl. ...
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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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Processing shale oil in an FCC unit: catalyst and profit optimisation
Aug-2015
Adjustments in base catalyst, use of ZSM-5 additives and metal traps enable efficient processing of paraffinic and heavy crude in the presence of metals ...
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Dealing with depleting sour gas reserves: Part 1
Jul-2015
Depletion of sour gas production in western Canada means that gas plants will have to evaluate their sulphur recovery units for future turndown operat ...
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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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Seven rules of sedimentation in hydrocracking
Apr-2015
Guidelines to mitigate sedimentation fouling in heavy sour crude processing together with case studies illustrating how the improvements are captured.
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Revamping crude and vacuum units to process bitumen
Apr-2015
Revamping crude and vacuum units to process dilbit can involve extensive equipment replacement as well as major changes to the crude preheating scheme
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Light tight oil crude comparison
Mar-2015
The production method for Eagle Ford and Bakken is via fracturing of the tight or shale formations in two different North America regions. Crude from the ...
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Research and development of novel heavy oil catalytic cracking catalyst RCC-1
Jan-2015
With an increasing supply of heavier feedstock for the catalytic cracking unit, the FCC catalyst is required to possess a higher activity and more unobstructed ...
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Estimating bitumen viscosity for revamps
Oct-2014
Accurate viscosity data for dilbit and its heavy residues define the scope of revamps required to process the feed in crude and vacuum units
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Predicting reactive heavy oil process operation
Oct-2014
Characterisation of feed and product yields through component structures for better understanding and prediction of operations
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Enhancing bottoms cracking and process flexibility
Oct-2014
Catalyst designed with advanced zeolite stabilisation technology provides selective conversion of heavy FCC feed molecules
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Jul-2014
Recovery factors achieved by improved recovery techniques indicate that crude oil reserves in Alberta’s bitumen sands are the largest on earth
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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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Myth of high cutpoint in dry vacuum units
Apr-2014
Accurate measures of true boiling point cutpoints are essential to correctly evaluate vacuum unit performance
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New process arrangements for upgrading heavy oils and residua
Jan-2014
Simulation studies reveal increased gasoline and diesel production from extra-heavy oil by means of RFCC and hydrocracking units with a mild hydrogenation ...
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Characterising and tracking contaminants in opportunity crudes
Jan-2014
The specific properties of contaminants in opportunity crudes affect the selection of crude slates for existing facilities and the design of revamps and ...
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Multi-element and total S process analyzers
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Neles is now part of Valmet
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Extensive tray portfolio
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2022 Opportunity Crudes Conference 24-26 October
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Reciprocating compressor solutions for refineries
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New fired heaters
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Europe's largest manufacturer of tower packings
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Hydrotreating and hydrocracking catalysts
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Catalysts for optimal performance
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Digital Refinery
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Hydrotreating and hydrocracking catalysts
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