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| Hydroprocessing atmospheric and vacuum residues |
Pascal Tromeur, Isabell Guibard, Virginie Harle, IFP Martin Pike, Procatalyse
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2000 / Q2 |
A description of the way in which the Hyvahl technology for atmospheric and vacuum residue hydroprocessing associates a permutable reactor system with a novel HDS catalyst for improving run length and product quality.
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| Improvements in paraffin isomerisation catalysts |
Sebastien Decker and Raphael E Gall, TotalFina
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2000 / Q2 |
A high active catalyst has been developed for the isomerisation of low octane C5/C6 light naphthas into high octane products, and for the isomerisation of butane to produce isobutane for alkylation and synthesis of MTBE. They are aimed to be a cost-effective way of debottlenecking for future specifications.
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| Synergy effect of improved accessibility catalysts |
Luiz Fernando Leite and Claudio Remeo Schlosser, Petrobras SA Jose Geraldo F Ramos, Fabrica Carioca de Catalisadores SA
King Yen Yung, Akzo Nobel Catalysts BV
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2000 / Q2 |
An FCC catalyst technology has been developed which enhances the accessibility of large molecules to the functional sites and the egress of reaction products.
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| Crude unit revamp to increase diesel yield |
Tony Barletta, Process Consulting Services Inc Matthew Smith and Catherine Macfarlane, Caltex Refineries NSW
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2000 / Q2 |
An account of a crude vacuum unit revamp in which detailed calculation of the true performance of existing equipment, plus a realistic calculation of the benefits a revamp would bring, raised diesel production by 14.5 vol% on crude.
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| Environmental catalytic cracking technology |
Steven W Davey, Grace Davison
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2000 / Q2 |
Catalytic technologies for the control of Nox and SOx have been developed and commercially proven in a number of different FCC units around the world. They provide a low-cost route for environmental compliance.
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| Breaking the hydrogen barrier with PSA revamps |
Kathy Picioccio and Epty Reyes, UOP Process Plants Group.
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2000 / Q2 |
Recent advances allow refiners to revamp PSA units to recover hydrogen at higher purity, with mainly the same equipment, by using high performance adsorbents and other techniques. This article discusses five such revamps.
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| Development tools to improve plant design |
Charles A Durr, David A Coyle, Don K Hill, Scott A Ray, Julio Rios, Kellogg Brown & Root
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2000 / Q2 |
New tools are available today to improve LNG process, plant safety and overall efficiency. At the same time, advancing computer technology is enabling engineering development to improve plant designs and reduce costs.
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| Alternative uses for methanol plants |
Frank C Brown, Jacobs Engineering Ltd
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2000 / Q2 |
Against a world surplus of methanol, this article looks at alternative uses for methanol production facilities - including conversion, total or partial, to ammonia and hydrogen, with the emphasis on co-producing a wide range of hydrocarbons, using the Fischer Tropsch slurry reactor technology.
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| Revamp options to increase hydrogen production |
Ib Dybkjaer, Sandra Winter Madsen, Niels Udengaard, Haldor Topsoe
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2000 / Q2 |
Revamping of existing hydrogen plants to increase capacity is offered as an attractive possibility in many situations. The authors discuss the technical options in a case where the refiner has decided to take this course of action.
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| Gas turbines for crude oil heating and cogeneration |
Edwin Goudappel, A H Herfkens, Tammo Beishuizen, Stork Engineers & Contractors BV
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2000 / Q2 |
An overview of the parameters to be taken into account in the evaluation of cogeneration projects based on crude oil heating. This article includes a case study of such a project, with technical details of its design aspects.
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| Large ethylene furnaces: changing the paradigm |
John R Brewer, Stone & Webster Engineering Corporation
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2000 / Q2 |
The past decade has seen ethylene plants increase capacities to more than 1 million tonnes a year. The largest ethylene plant in the world, at 1.3 million tonnes, is being built, yet only six furnaces are required to meet this capacity, making these the largest-ever ethylene pyrolysis furnaces.
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| Optimal reactor configuration with simulation tools |
Karin Bronsaer, DSM Research
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2000 / Q2 |
This article describes how the modelling of high-pressure tubular reactors is approached and the way simulations are used in cost-optimal reactor design.
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| Economics of a world class methanol plant |
Toshiyuki Mii and Kunio Hirotani, Toyo Engineering Corporation (TEC)
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2000 / Q2 |
The authors describe the thinking and practical aspects behind building a 10000 tonnes/day methanol plant, employing the proven technologies already in use in commercial scale production.
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| Simulation of the firebox of thermal cracking furnaces |
M Sadrameli, Tarbiat Modares University H A Zahmatkesh, Amirkabir Petrochemical Company
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2000 / Q2 |
This article deals with the simulation of thermal cracking furnaces of olefin plants, in particular those of the Tabriz plant in Iran.
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