Global Refining Summit 2009

27th - 29th April 2009


Achieve operational and strategic excellence

Articles

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Search by topic : Gas Technology

Title Author Edition
Evidence of MDEA degradation in tail gas treating plants.

James E Critchfield and James L Jenkins, Huntsman Corporation

1999 / Q2

Despite the belief that MDEA does not degrade in gas treating service, a five year investigation indicates that it is subject to degradation in tail gas treating units - shown by the accumulation of fragments in process solutions.  The authors present the results of analyses of over 500 process solution samples.
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Designing LNG terminsals for safety.

Arif Habibullah, Parsons Energy & Chemicals Group Inc.

1999 / Q2

Safety is a major consideration in the design of an LNG terminal, with a variety of design features which must be adopted to comply with the various codes.  The author provides an overview of the issues unique to such facilities.
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Sulphur recovery operations: a discussion forum

Frank Bela, Bruce Kennedy, Bruce Scott, Lon Stern, Duke Tunnel, Ed Wagner, Mike Zacher, Amine Best Practices Group.

1999 / Q2

Members of the Amine Best Practices Group (ABPG) offer their advice and experiences to questioners having problems with amine unit operations.
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LNG peak shaving plant in Argentina

Cyril Collins, M W Kellogg Ltd
Horacio Cristiani, gasNatural BAN SA
David Miner, Air Liquide America Corp

1997 / Q2

Installation of the first peak shaving plant of its kind in Latin America has put Argentina among the countries now using this type of facility as an efficient and economical way of meeting peak gas demands.
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Claus sulphur recovery options

Gavin McIntyre and Lili Lyddon, Bryan Research & Engineering Inc

1997 / Q2

Recovery of elemental sulphur from acid gas was first performed via the Claus process over 100 years ago.  This article examines some Claus modifications which can alleviate operational difficulties and improve overall sulphur recovery.
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Optimisation of natural gas drying and purification

Gerard Jochem and Malcolm Robertson, Procatalyse.

1997 / Q2

Molecular sieves are used for drying and/or purification in most gas trains, benefits being efficient water removal, with low dew points.  But some units have not met expectations due to chemical contamination or excess degradation of the adsorbent.  This article deals with some of the problems and ways to solve them.
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Submerged combustion vaporisers for LNG distribution facilities

Olavo Cunha Leite, Selas Fluid Processing Corporation

1997 / Q2

submerged combustion vaporisers, used to vaporise LNG stored under low temperature, are ideal for peak shaving and base load facilities.  They offer low initial and maintenance costs with high thermal efficiency in a safe design.
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Technology advances in LNG plant options

Joe B Fisher, Phillips Petroleum Company

1998 / Q2

Liquefied natural gas has developed into a competitive and desirable fuel source, increasingly popular as a means of turning remote gas reserves into profit as well as supplying emerging energy markets.  This article gives the case history of a successful LNG project, a model of competitive cost effectiveness.
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New direct oxidation process for sulphur recovery

G Srinivas and M E Karpuk, TDA Research Inc
C T Ratcliffe, Unocal Corporation
D Leppin, Gas Research Institute
W Kensell and M L Raven, The M W Kellogg Company

1998 / Q2

First tests are due to be carried out this year on a newly developed catalyst.  An offshore demonstration unit is to be used to recover sulphur from acid gas containing H2S, currently being sent to flare.  The TDA catalyst is expected to convert about 90 per cent of this H2S in the reactor.
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Oxygenated synfuels from natural gas

Domenico Sanfilippo, Emilio Micheli, Ivano Miracca, Lorenzo Tagliabue, Snamprogetti SpA

1998 / Q2

The Ethermix process transforms natural gas into MTBE and heavier tertiary-alkyl-ethers suitable for gasoline blending.  Continued technological progress in synthesis gas and higher alcohols could make this route economically viable, even with crude oil prices low.
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Oxygen solubility in various alkanolamine/water mixtures

Peter C Rooney and Danny D Daniels, The Dow Chemical Company.

1998 / Q2

Oxygen is known to cause colour and degradation in alkanolamines used in gas treating, but so far no studies have been reported measuring oxygen solubility in these systems.  this article examines the solubility in water and alkanolamine/water mixtures at temperatures between 60 and 180'F.
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Breaking the hydrogen barrier with PSA revamps

Kathy Picioccio and Epty Reyes, UOP Process Plants Group.

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

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

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

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

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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CO2 management - a refiner's perspective

Simon C Clarke, Foster Wheeler Energy Ltd

2001 / Q2

A review of the general issues of carbon dioxide emission that concern the refiner - and an indication of how some smart targeting and decision-making, with enhanced operation, can establish the business in the global marketplace.

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Removal of silica particles from flue gases

G Gentilini, M Giovinazzi, B Manduca, G Iaquaniello, Kinetics Technology International SpA (KTI)

2001 / Q2

Venturi scrubbers combined with wet electrostatic precipitators have been found to achieve more than 99 per cent removal of fine particle pollution.  The authors look at the efficiency of flue gas treatment in the removal of very small particles.

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Intelligent hydrogen network management

L McGregor and G Colantuoni, Gensym

D Lupica and M Tarantino, AgipPetroli

2001 / Q2

Real-time intelligent systems can make significant improvements to the H2 utilisation efficiency of petroleum refining operations.  This article examines the application of a hydrogen network management system at a refinery in Italy.

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Fractionator and gas plant revamp for best returns

Krish Nangia, David Schulte, Ed J Smet, Fluor Daniel

Bernard Demulder, TotalFinaElf

2001 / Q2

A review of a combination of options available for switching modes of operation for the FCC main fractionator and the gas plant, bringing an improvement in selectivity, together with the ability to operate at a higher throughput.

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