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Number: 126

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  • Processing high TAN crude: part I

    Jan-2010

    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 ...

  • Crude overhead system design considerations

    Jul-2007

    Proper crude unit overhead system design is important when building a new unit or revamping an existing one to process different crudes

  • Challenges of heavy crude processing

    Oct-2012

    A review of upgrading options and refinery configurations to process heavy crudes profitably. Refiners have long faced a major dilemma when designing refineries ...

  • Assessment of crude oil blends

    Oct-2011

    A refiner’s assessment of the compatibility of opportunity crudes in blends aims to avoid the processing problems introduced by lower-quality feedst ...

  • An atmospheric crude tower revamp

    Jul-2005

    Overall gas oil yield was maintained with heavier crudes due to a crude tower revamp. The revamp allowed for a crude heater outlet temperature reducti ...

  • 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.

  • Managing vanadium from high metals crude oils

    Sep-2003

    Improvements in process and equipment design with regard to crude unit and delayed coker distillation column performance can reduce metals content

  • 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.

  • Designing the CDU/VDU for opportunity crudes

    Oct-2012

    New units for processing heavy crudes should not be designed using conventional practices or run length will be short, and product yields and quality ...

  • Desalting heavy Canadian crudes

    Oct-2012

    Effective desalting requires large desalters and attention to all variables associated with good desalter performance

  • Improved conceptual process design avoids revamp scope growth

    Mar-2002

    For grassroots design, defining project scope is a straightforward exercise. Grassroots projects can follow optimum execution procedures for engineering ...

  • 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

  • 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 ...

  • Residue upgrading

    Apr-2006

    An examination into the feedstock and process conditions where solvent deasphalting is the most appropriate technology for upgrading residue

  • Future of opportunity crudes processing

    Oct-2011

    Five critical drivers help refiners remain profitable and sustain long-term business goals while processing relatively inexpensive, low-quality crudes

  • Increasing crude unit preheat

    Jan-2006

    Cost-effective exchanger network solutions need to rely on more than just pinch technology if they are to be successful

  • FCC flue gas scrubber alternatives: part I

    Jul-2009

    The merits of combining additives and barrier filters as a cost-effective and highly efficient way of meeting SOx, NOx and particulate matter emissions ...

  • 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 ...

  • Vacuum unit performance

    Oct-2012

    Inaccurate feed characterisation and process modelling errors are major contributors to poor performance in a vacuum unit as refiners switch to heavier ...

  • Gasification of heavy ends

    Apr-2011

    Gasification technologies deliver steam, hydrogen and power from low-value refining residues and petcoke

  • 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 ...

  • 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

  • Advances in amine reclaiming

    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.

  • 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 ...

  • Bitumen processing: crude unit revamps

    Jul-2011

    The ability to process bitumen offers a competitive advantage, but revamps of crude and vacuum units to process bitumen require significant changes
to ...

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