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| Calcium removal from high TAN crudes |
Jerry J Weers and Scott Bieber Baker Petrolite |
2005 / Q3 |
Crude oils high in calcium naphthenate content are being processed
using technology developed to remove calcium in crude unit desalting
operations, with calcium removal efficiencies averaging 70% on Doba
blends
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| Optimising refinery profitability |
Brian Lasiuk, R Mark Wilson and M Craig Winslow GE Infrastructure Water & Process Technologies |
2005 / Q3 |
A comprehensive methodology is presented that maximises profitability
when processing opportunity crudes while avoiding operational
disruptions such as high temperature corrosion
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| Efficient ULSD catalyst systems |
Charles “Chuck” W Olsen and David Krenzke Advanced Refining Technologies
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2005 / Q3 |
Staged ULSD catalyst systems are available for the desulphurisation
of multiple sulphur species, using combined high-activity CoMo/NiMo
catalysts formulated at ratios based on expected levels of
alkyl-dibenzothiophenic compounds
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| LCO upgrading |
Vasant P Thakkar, Suheil F Abdo, Visnja A Gembicki and James F McGehee UOP LLC
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2005 / Q3 |
Adding value to LCO is achievable through aromatic ring
manipulation, producing high-octane naphtha and low-sulphur diesel.
Pilot plant results confirm the effectiveness of partial-conversion
hydrocracking technology
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| Wireless communication in refining |
Peter Jofriet and Stephen Clark Honeywell Process Solutions
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2005 / Q3 |
Several wireless technologies are available today. The benefits of
implementing these technologies, and the challenges associated with
adopting this seemingly high-tech approach for furthering a refinery’s
business objectives, are discussed
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| An atmospheric crude tower revamp |
Daryl W Hanson and Tony Barletta Process Consulting Services
John V Bernickas CITGO Petroleum Corporation
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2005 / Q3 |
Overall gas oil yield was maintained with heavier crudes due to a
crude tower revamp. The revamp allowed for a crude heater outlet
temperature reduction and a lower vacuum flash zone pressure
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| Hydrocracker reliability improvement |
Tai-Sheng Chou H2Advance
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2005 / Q3 |
Refiners continue to push the envelope of reliable hydrocracker
operation. Optimised process design and operational improvements can
help manage temperature excursions and avoid potential temperature
runaways
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| Technology for SOx removal |
Thomas K Chow, Theresa M Flood, John A Gebur and Vincent W Wong
Fluor Enterprises Inc
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2005 / Q3 |
A concern for many refiners is the increasing complexity of SO2
removal from flue gases in the presence of O2. Various solutions are
available to achieve 99.99% sulphur recovery without by-product
formation and corrosion problems
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| Benefits from coking of heavy feedstocks |
Wayne Brown, Robert Pinchuk and Gerard Monaghan Envision Technologies Corp
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2005 / Q3 |
Research into the thermal processing of heavy oil using advanced
analytical and laboratory techniques has revealed that huge gains are
possible, thanks to a new reactor configuration based on the marriage
of two commercial technologies
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| Optimising process equipment performance |
Todd Reeves Emerson Process Management |
2005 / Q3 |
Advances in transmitters and related systems can maximise rotating equipment and pump reliability at minimum cost. These advances involve integration of online equipment monitoring with process control systems
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| Analysing F-shell heat exchangers |
Reza Yahyaabadi Esfahan Oil Refining Company |
2005 / Q3 |
The procedure for the separate evaluation of hydraulic and thermal leakage in
F-shell heat exchangers is combined into a new program for optimising exchanger performance
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| Asset life extension |
Laza Krstin ABB Engineering Services
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2005 / Q3 |
A case study showing how asset life extension helped a leading manufacturer of ammonia and urea to assess the condition of its plants and put in place effective asset strategies that support the achievement of business objectives
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| Refinery and petrochemical integration opportunities |
Patrick D Lavergne Lyondell Chemical Company
Robert S Bridges Equistar Chemicals
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2005 / Q3 |
Against a background of tighter fuel specifications and petrochemical expansion, various strategies exist for exchanging process streams between ethylene plants and refineries, bringing about economic operating benefit and capital reduction
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| On-purpose propylene production |
Steve Zinger Chemical Market Associates Inc (CMAI)
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2005 / Q3 |
Five types of on-purpose propylene production are available, including propane dehydrogenation, metathesis, olefins cracking and interconversion, high severity FCC, and gas-to-olefins. Each one is discussed in detail
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| Process safety through instrumentation |
Roman Maurer Endress+Hauser Messtechnik GmbH+Co KG
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2005 / Q3 |
Typical safety loops with pressure transmitters, level monitoring and flow meters illustrate the application of the international IEC 61511 standard in the petrochemical industry
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