Number: 135


  • Processing high TAN crude: part I


    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


    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


    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


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

  • The challenges of crude blending - Part 2


    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


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

  • An atmospheric crude tower revamp


    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 1


    Declining crude prices encourage more spot purchases that save costs, but mixing different grades can create headaches for refiners.

  • Diverting low-sulphur heavy stocks for fuel oil production


    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?


    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 ...

  • Advances in amine reclaiming


    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.

  • Residue upgrading


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

  • Increasing crude unit preheat


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

  • Designing the CDU/VDU for opportunity crudes


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

  • Oil recovery from tank sludge


    Thorough tank cleaning means removing all of the sludge and restoring the vessel’s full storage capacity.

  • Processing high TAN crude: part II


    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 ...

  • Desalting heavy Canadian crudes


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

  • Future of opportunity crudes processing


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

  • Evaluating opportunity crude processing


    Is processing opportunity crudes for every refiner? Technical challenges and economic benefits from processing high-acid crudes and bottom-of-the-barrel ...

  • Improved conceptual process design avoids revamp scope growth


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

  • FCC flue gas scrubber alternatives: part I


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

  • Gasification of heavy ends


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

  • Vacuum unit performance


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

  • Anode-grade coke from traditional crudes


    A combination of solvent deasphalting and delayed coking is an option to minimise fuel oil production and produce anode-grade coke

  • Cuba’s oil: due for development


    Cuba’s ambitions for energy self-sufficiency require major investment in the nation’s oil reserves and refining industry

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