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Pricing licences for gas processing units
Mar-2021
How technologies can be selected on the best licensing terms.
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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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Improving sulphur plant performance
Jun-2017
Strict attention to utilities is critical to ensure safe and reliable sulphur recovery unit operation
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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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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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Direct oxidation sulphur recovery process for very lean acid gas applications
Jun-2016
Due to higher demand in desulphurisation and new environmental regulations, Companies need to find robust and efficient technologies while considering ...
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Newly completed sulfur project at SAMREF refinery
Mar-2018
Case study of newly completed sulphur project at SAMREF refinery. SAMREF (Saudi Aramco ExxonMobil Refinery) recently completed the design and successful ...
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Combining acid gas treating and amine tail gas treating (TIA)
Oct-2015
One of the challenges in designing a natural gas treatment plant is to optimise the combination of the acid gas removal (AGR) unit and the sulphur recovery ...
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Mar-2021
A process for wet scrubbing off-gases from the SRU helps preserve neighbourly relations.
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FCC gasoline desulphurisation for Tier 3 sulphur compliance
Sep-2017
FCC gasoline desulphurisation is used widely in refineries around the world. It is growing in importance because of new regulations that require sulphur ...
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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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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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Coping with sulphur and water in naphtha isomerisation feeds
Apr-1999
An examination of the operational and economic benefits of an isomerisation process employing a superior water and sulphur tolerant catalyst in particular, ...
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Three ways to effectively monitor total chlorine in liquid hydrocarbons
Feb-2018
Corrosion at petroleum refineries is a critical problem all over the world. In the United States alone, NACE International, a professional association ...
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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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Challenges in producing BS-VI diesel
Mar-2018
An Indian refiner describes the technical challenges of meeting a leap in
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Regenerable tail gas treatment
Nov-2016
Cost assessment of tail gas treating technologies that recycle H2S or SO2 to the Claus unit.
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Claus sulphur recovery options
Apr-1997
This article examines some Claus modifications which can alleviate operational difficulties and improve overall sulphur recovery
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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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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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High sulphur recovery with ease of operation
Jan-2015
A process performing sulphur recovery and tail gas treatment in two catalytic reactor units exceeded guaranteed recovery limits from start-up.
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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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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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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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GSR the only proven FCC catalysts and additives for gasoline sulphur reduction
May-2015
Grace GSR® technologies: D-PriSM®, SuRCA®, and GSR® 5, are the result of nearly two decades of innovation. GSR has been used in over 100 FCC units ...
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Three ways to effectively monitor total chlorine in liquid hydrocarbons
Feb-2018
Corrosion at petroleum refineries is a critical problem all over the world. In the United States alone, NACE International, a professional association ...
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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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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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High sulphur recovery with ease of operation
Jan-2015
A process performing sulphur recovery and tail gas treatment in two catalytic reactor units exceeded guaranteed recovery limits from start-up.
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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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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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Jul-2020
Expanding the capacity of sulphur recovery and tail gas units requires a thorough review of all plant systems.
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Sulphuric acid recovery from sulphurous waste streams
Oct-1998
The WSA process is a catalytic system for producing concentrated sulphuric acid from any sulphur-containing offgas, without the use of chemicals
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Advanced recycle paraffin isomerisation technology
Apr-2001
An examination of how combining chlorinated catalyst, molecular sieves and well designed process configurations can maximise the value of C5/C6 strea ...
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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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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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Renewable Identification Numbers, sulphur credit pricing and economics
Dec-2020
Renewable Identification Numbers (RINs) are credits used to certify compliance with the Renewable Fuel Standard (RFS) which requires certain minimum volumes ...
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Flexible thinking for capital projects
Jun-2017
Conventional project planning and execution may not be the best approach for gas treating and sulphur recovery installations.
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Advanced sulphur analysis in hydrocarbons
Sep-2017
Petra MAX™ delivers advanced D4294 sulphur analysis in addition to 12 elements from P to Zn including Ca, Fe, K, Ni, and V at sub-ppm levels for various ...
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Key steps for refiners ahead of IMO 2020 (ERTC)
Nov-2017
The reality is that many refiners remain unprepared for IMO MARPOL 73/78 Annex VI (IMO 2020). These regulations, which will substantially tighten the global ...
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IMO 2020 — the deadline approaches
May-2019
How is the refining industry reacting to the shake-up with less than a year to go? The refining industry has responded to the forthcoming IMO 2020 lower ...
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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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Kinetic engine drives catalyst development
Apr-2016
Development of a NiMo catalyst for medium-to-high and high pressure middle distillates hydrotreating.
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Ultra low sulphur analysis in liquid petroleum using MWDXRF
Jan-2018
Tougher regulations are challenging refiners to produce higher quality products while trying to maximise efficiency.
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Dealing with hydrogenation catalyst poisons
Mar-2018
For stable operation of a pyrolysis gasoline unit, it is crucial to know the effects of poisons and inhibitors on catalyst performance and how to counteract ...
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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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Unload the SRU to reduce plugging problems and operating costs
May-2015
A crude oil refinery may need additional sulphur recovery capacity for any of a combination of reasons:
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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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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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Tail gas catalyst performance: part 2
Dec-2014
The second part of a two-part account of time and temperature effects on tail gas catalyst performance gives a background to reaction modelling and pilot ...
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IMO 2020 - Maritime CEMS and refinery changes
May-2020
For several years, the International Maritime Organisation (IMO) has stipulated low levels of sulphur emissions close to densely populated coastal areas, ...
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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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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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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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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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Implementing advanced technologies for crude to chemicals projects (ERTC)
Dec-2019
According to the IEA, already a major component of the global energy system, the importance of petrochemicals is continuing to grow.
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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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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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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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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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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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FCC additive technology for SOx reduction
Nov-2019
Advances in metal dispersion and structure delivered a SOx reduction additive that is driving down refiners’ FCC emission levels.
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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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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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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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Residuum hydrocracking: chemistry and catalysis
Aug-2019
Significant advances have been made in understanding the hydrocracking chemistry of residuum oils and in the catalytic systems required for deep conversion ...
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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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Operational challenges in sour water stripping
Jul-2019
How to keep a sour water stripper at optimum performance between shutdowns.
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Solving hydrotreating fouling problems
Jul-2019
Upgraded antifoulant technology is helping refiners to overcome the increased hydrotreater fouling issues that result from more stringent fuel sulphur ...
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IMO 2020 — the deadline approaches
May-2019
How is the refining industry reacting to the shake-up with less than a year to go? The refining industry has responded to the forthcoming IMO 2020 lower ...
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Technology selection for a natural gas plant
May-2019
Selecting equipment for a sulphur block requires balancing technical performance and costs, as well as local conditions and regulations.
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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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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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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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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 ...