logo

You are currently viewing: Articles

Back

Number: 165

Display:

ARTICLES

  • Clean diesel 
hydrotreating

    Jan-2009

    Design considerations for clean diesel hydrotreating. Critical issues are 
discussed when designing a hydrotreating facility to produce diesel fuel ...

  • Improving VGO hydrotreater operation

    Jan-2009

    A practical, industrial data-derived tool can give refiners confidence in simulating the actual benefits of additional hydrogen for improved VGO hydrotreater ...

  • Tar sands oil upgrading technology

    Apr-2008

    Technology for processing heavy crudes and bitumen-derived materials such as synthetic crude oil are examined, along with the challenges they present to ...

  • 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 ...

  • Thermodynamic model of sediment deposition in the LC-Fining process

    Apr-2008

    The LC-Fining ebullated bed hydrocracking process is used to hydrocrack residuum. In this process, sediment deposition in the downstream equipment sometimes ...

  • 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.

  • Maximising ULSD with cracked feedstocks

    Feb-2008

    Balancing hydrogen consumption can give flexibility when processing cracked feedstocks

  • 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 ...

  • The evolution of 
biodiesel

    Oct-2007

    The expanding market presence and the breakthrough of refiners into the biodiesel sector are discussed along with commercialised and emerging production ...

  • Gamma scanning fractionators

    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 ...

  • 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 ...

  • 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

  • Refinery CO2 challenges: part III

    Jul-2006

    For the prediction of CO2 emissions from a refinery, simple correlations are not always sufficient. A rigorous simulation tool that includes fractionation ...

  • Residue desulphurisation and conversion

    Apr-2006

    The current market forces that presage a boom in resid hydrotreatment are examined along with recently reported progress in technology

  • Refinery CO2 challenges: part II

    Apr-2006

    CO2 emissions and hydrogen production costs in hydrogen plants. Understanding how the impact of unit configuration, operating conditions, feed type, fuel ...

  • Producing lubes and fuels

    Feb-2006

    The integration of Isocracking/Isodewaxing catalysts with process for the production of premium lubricant base oils by hydroprocessing is discussed

  • Refinery CO2 challenges

    Jan-2006

    How much CO2 can a refinery release into the atmosphere? This is one of the many challenges facing refineries when it comes to reducing CO2 emmisions

  • Meeting Euro IV fuel specifications

    Jan-2006

    Pretreating technology and special catalysts can help refiners meet the current and forthcoming European environmental regulations and improve their FCCU ...

  • Paraffins isomerisation options

    Apr-2005

    Isomerisation technologies are available, from once-through and deisohexaniser recycle processes to recycle schemes involving molecular separation pro ...

  • Hydroprocessing revamp configurations

    Feb-2005

    Upgrading existing hydrocrackers from single- to two-stage recycle offers significantly higher flexibility for increasing high-quality FCC feeds

  • ULSD production at low pressure

    Feb-2005

    A large number of existing diesel hydrotreaters are operated at pressures below 30 bar. The catalyst used for production of ULSD in these hydrotreaters ...

  • Pretreatment of resid FCC feedstocks

    Jul-2004

    How a refinery optimised hydrogen consumption to raise API “shift”, enhancing FCC economics. The effect of heavy feedstock reactivity on the operation ...

  • Alternative routes to paraxylene production

    Apr-2004

    An integrated refining and petrochemical approach to paraxylene manufacture from various feedstocks, such as excess aromatics in reformate or pyrolysis ...

  • Pre-treatment improves FCC performance

    Feb-2004

    Feedstock hydrotreatment catalyst provides improved HDS and HDN activity at various unit operating pressures

  • Hydrotreater revamps for ULSD fuel

    Oct-2003

    Scope and capital investment for revamping an existing diesel hydrotreater to meet the 15wppm sulphur standard. The base design is typical of hydrotreaters ...

SPONSORS