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Controlling LPG/propylene quality
Oct-2016
Online analysers can minimise costly upsets in FCC LPG/propylene quality and realise savings in caustic wash operations.
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Process for ultra-purification of paraxylene
Apr-2008
A new crystallisation process for paraxylene, which is a parent material for PET, is based on Sulzer Chemtech’s heat pump crystalliser technology, and ...
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Tackling fouling in vinyl monomer manufacture
Jul-2003
Conventional and new approaches to the control of fouling in vinyl monomer processes are discussed in this article, which describes the fouling characteristics ...
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Apr-2006
The recovery of pure aromatics feedstocks such as reformate or pyrolysis gasoline through solvent-based extractive distillation. The efficiency, purities ...
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Optimal tonnage industrial gas plants
Oct-2011
Detailed examination of industrial gas needs is required to develop the most cost-effective industrial gas plant configuration
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Technology for propylene boosting in steamcrackers
Mar-2003
Integration of steamcracker C4/C5 components with a fixed-bed fluid catalytic-cracking reactor employing a shape-selective heterogeneous zeolytic ZSM-5 ...
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Jan-2007
Gamma scanning is a powerful tool that can be used to determine the cause of flooding and regain column efficiency. Debutaniser capacity and performance ...
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Competitive driving force for integration
Jul-2009
Case study for refinery-petrochemical integration. Product portfolio diversification in integrated complexes will increase the production of higher value ...
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Increasing propylene for the petrochemical market
Apr-2005
Increasing FCC propylene with shape-selective additives minimises the impact on unit process conditions and equipment
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Optimising petrochemical operations
Jan-2008
Substantial increases in profit can be achieved in refinery/aromatics operations using methodology and modelling tools that incorporate multiple degrees ...
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A refinery study of FCC vs Gasolfin for naphtha cracking into propylene (ERTC)
Nov-2017
European refineries have experienced challenging market conditions over the past decade. Between 2008 and 2013, European refining capacity decreased by ...
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Improving olefins plant performance
Jan-2005
A review of available modelling and optimisation tools for olefins plants. A cost effective approach has been developed for improving cash margins by a ...
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Petrochemicals from refinery intermediates — beyond polyolefins
Jul-2020
Diversifying chemical synthesis routes based on simple olefins can add major value for an integrated refining-petrochemical complex.
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Gas chromatography trends and troubleshooting in petrochemical analysis (part 1)
Mar-2014
Gas chromatography (GC) is at the fore in the petrochemical sector as an analytical method that can be applied across a broad range of applications.
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Shale gas feeds petrochemical expansion
Mar-2013
North American ethylene capacity is set to increase significantly with new crackers coming online after 2016, plus higher production of propylene and other ...
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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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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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'Snakes and ladders' for maximising propylene
Oct-2014
Changes in process conditions in tandem with ZSM-5 additives widen the potential for petrochemicals production from the FCC unit
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Improving profits in olefins complexes
Oct-2005
The initial phases of a profitability programme show what can be achieved in a collaborative effort with the right tools and methodologies
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From refining to chemicals, a switch of the yield in four stages (ERTC)
Dec-2021
Over the last decade, the demand for main petrochemicals intermediates (ethylene, propylene, paraxylene) increased by an annual growth rate of around 4%. ...
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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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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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The age of turbulence: charting a course for refiners to a profitable future
Nov-2012
Relentless turbulence has profoundly affected the global refining landscape in recent years. Moreover, the turmoil is likely to continue unabated in the ...
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Identifying very small 
equipment leaks
Jan-2008
Very small leaks in feed/effluent exchangers can be identified using chemical tracing. This online technique can detect leaks as low as 5.0 ppm, avoiding ...
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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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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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Process improvements in the direct hydration of olefins to alcohols
May-2014
Synthetic alcohols produced by direct hydration have wide application in the process industries as solvents, in the production of cosmetics and as intermediates ...
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Apr-2006
The recovery of pure aromatics feedstocks such as reformate or pyrolysis gasoline through solvent-based extractive distillation. The efficiency, purities ...
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Control of primary fractionator fouling
Jan-2009
Optimal operation and chemical treatment of primary fractionators requires an in-depth knowledge of many parameters. A combination of analytical tools ...
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Optimal tonnage industrial gas plants
Oct-2011
Detailed examination of industrial gas needs is required to develop the most cost-effective industrial gas plant configuration
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Jan-2012
Catalyst solutions help to improve the profitability and reliability of 
reforming units
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The age of turbulence: charting a course for refiners to a profitable future
Nov-2012
Relentless turbulence has profoundly affected the global refining landscape in recent years. Moreover, the turmoil is likely to continue unabated in the ...
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Shale gas feeds petrochemical expansion
Mar-2013
North American ethylene capacity is set to increase significantly with new crackers coming online after 2016, plus higher production of propylene and other ...
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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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Applying pinch technology to 
energy recovery
Oct-2013
A pinch technology-based study of heating and cooling of material streams in a large-scale olefins plant identifies major opportunities for energy sav ...
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Improving olefins plant performance
Jan-2005
A review of available modelling and optimisation tools for olefins plants. A cost effective approach has been developed for improving cash margins by a ...
-
Improving profits in olefins complexes
Oct-2005
The initial phases of a profitability programme show what can be achieved in a collaborative effort with the right tools and methodologies
-
Optimising petrochemical operations
Jan-2008
Substantial increases in profit can be achieved in refinery/aromatics operations using methodology and modelling tools that incorporate multiple degrees ...
-
Front End CDHydro - raw gas hydrogenation achieved
Apr-2008
Front End CDHydro applies catalytic distillation hydrogenation to the ethylene flowsheet to successfully accomplish raw, cracked gas hydrogenation.
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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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Catalytic cracking process enhances production of olefins
Oct-2009
A FCC technology and catalyst formulation selectively crack a wide range of feeds, including residue, to yield high quantities of light olefins
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Naphtha cracking for light olefins production
Jul-2010
As an alternative to steam cracking, an FCC-type process provides on-purpose production of propylene
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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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From refining to chemicals, a switch of the yield in four stages (ERTC)
Dec-2021
Over the last decade, the demand for main petrochemicals intermediates (ethylene, propylene, paraxylene) increased by an annual growth rate of around 4%. ...
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Risks of accumulated sulphur in sulphur recovery unit
Aug-1998
Follow-up data to an October 1997 article proves with refinery experience that caustic neutralisation does not improve system operations
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Competitive driving force for integration
Jul-2009
Case study for refinery-petrochemical integration. Product portfolio diversification in integrated complexes will increase the production of higher value ...
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Divided-wall columns — a novel distillation concept
Oct-2000
The technology of divided-wall columns using a single distillation tower, described in this article, is claimed to have investment and operating advantages ...
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Amine purification system to increase crude processing
Jul-2002
Bringing amine system contaminants down to low levels has reduced operational problems.Refiners experience increased throughput of sour crude by continuously ...
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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
-
Technology for propylene boosting in steamcrackers
Mar-2003
Integration of steamcracker C4/C5 components with a fixed-bed fluid catalytic-cracking reactor employing a shape-selective heterogeneous zeolytic ZSM-5 ...
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Crude oil vapour pressure testing
Jan-2012
Vapour pressure testing is an important safety check in the transport, storage and blending of crude oil
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Optimal tonnage industrial gas plants
Oct-2011
Detailed examination of industrial gas needs is required to develop the most cost-effective industrial gas plant configuration
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How to read a regulator flow curve
Sep-2011
The best way to select a regulator for your application is to examine its flow curve, which is often provided by the manufacturer. “Flow curve” is ...
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Naphtha cracking for light olefins production
Jul-2010
As an alternative to steam cracking, an FCC-type process provides on-purpose production of propylene
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FCC gasoline and C4 streams for 
BTX production
Oct-2009
An extractive distillation process provides direct recovery of aromatics from FCC gasoline to rebalance refinery production towards higher levels of p ...
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Catalytic cracking process enhances production of olefins
Oct-2009
A FCC technology and catalyst formulation selectively crack a wide range of feeds, including residue, to yield high quantities of light olefins
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Competitive driving force for integration
Jul-2009
Case study for refinery-petrochemical integration. Product portfolio diversification in integrated complexes will increase the production of higher value ...
-
Control of primary fractionator fouling
Jan-2009
Optimal operation and chemical treatment of primary fractionators requires an in-depth knowledge of many parameters. A combination of analytical tools ...
-
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 ...
-
Process for ultra-purification of paraxylene
Apr-2008
A new crystallisation process for paraxylene, which is a parent material for PET, is based on Sulzer Chemtech’s heat pump crystalliser technology, and ...
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Maximise olefins through catalytic cracking Indmax FCC process
Apr-2008
The primary purpose of the fluid catalytic cracking (FCC) process historically has been to convert low-valued, heavier petroleum streams into gasoline, ...
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Integrating CPT with existing OCT units
Apr-2008
Lummus Technology’s Olefins Conversion Technology (OCT) has achieved industry acceptance, as evidenced by the 25 units under licence, representing almost ...
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Front End CDHydro - raw gas hydrogenation achieved
Apr-2008
Front End CDHydro applies catalytic distillation hydrogenation to the ethylene flowsheet to successfully accomplish raw, cracked gas hydrogenation.
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Increasing catalytic reforming yields
Mar-2008
Case study where a CCR Platforming process unit increased profitability by changing to a high-density catalyst. Higher aromatic yields and the ability ...
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Identifying very small 
equipment leaks
Jan-2008
Very small leaks in feed/effluent exchangers can be identified using chemical tracing. This online technique can detect leaks as low as 5.0 ppm, avoiding ...
-
Advanced propane dehydrogenation
Jan-2008
Oxdehydrogenation-based on-purpose propane dehydrogenation can close the propylene supply-demand gap. Reactor design and the effect of thermodynamic equilibrium ...
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Optimising petrochemical operations
Jan-2008
Substantial increases in profit can be achieved in refinery/aromatics operations using methodology and modelling tools that incorporate multiple degrees ...
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Tray technology 
enhances extraction
Oct-2007
A case study involving the revamp of two rotating disc contactors in aromatics service highlights the most important design considerations for enhancing ...
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Olefins plant cracker gas compressor fouling
Apr-2007
Monitoring and treating process gas compressors to prevent corrosion and fouling. Several examples of improved compressor performance through the utilisation ...
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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.
-
Jan-2007
Gamma scanning is a powerful tool that can be used to determine the cause of flooding and regain column efficiency. Debutaniser capacity and performance ...
-
Apr-2006
The recovery of pure aromatics feedstocks such as reformate or pyrolysis gasoline through solvent-based extractive distillation. The efficiency, purities ...
-
Metathesis for maximum propylene
Apr-2006
Using metathesis technology to process refinery-based C4 feedstocks can maximise propylene. The economic advantages of flow schemes using alpha-olefins ...
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Hydrocarbon removal from amines demonstrated experience
Mar-2006
Bringing amine system contaminants down to low levels has reduced operational problems. Several large operating facilities are now using the latest technology ...
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Jan-2006
Staged investment and reformer technology improvement strategies are available for increasing hydrogen production, cycle time and reliability