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| Maximising para-xylene Capacity |
John B Robertson UOP LLC |
2005 / Q1 |
A
team approach to unlocking the potential of a world-scale aromatics
complex. Greatest-ever para-xylene capacity gains were achieved by
evaluating options for removing existing plant limits and by using
improved economic planning models
More
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| Emissions data Management |
Paul Reinermann and Robert Golightly Pavilion Technologies Inc |
2005 / Q1 |
To
meet environmental accounting regulations, the key for petrochemical
plants is precise management of emissions data. The complexities of
integrating market-based regulations with a plant control network are
described here
More
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| Spent caustic treatment by wet air oxydation |
Tomonobu Uchida, Nippon Petrochemicals Co Ltd
Dinesh Udpa, Toyo USA
Masaaki Sakurai, Toyo Engineering Corporation |
1999 / Q2 |
The
authors describe how the search for a safe process to treat spent
caustic waste from ethylene plants has been tackled, and the benefits
that resulted from designing two stand-alone wet air oxydation units at
plants in the USA.
More
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| Human factors engineering in petrochemical projects: Part II |
Martin E J van Uden and Harrie J T Rensink, Shell Int. |
1999 / Q2 |
Among
the subjects in this second article on the place of human factors in
project planning, the project business is analaysed - discussing how
ergonomic principles should be integrated - and the framework of a
warranted quality system, including management monitoring tools and
system auditing.
More
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| Advances in hydrogen plant catalyst |
Peter V Broadhurst Johnson Matthey Catalysts
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2004 / Catalysis |
Catalysts
have a significant impact on steam-reforming plant rate and
reliability. Catalyst selection depends on feedstocks, operating
conditions and reformer design. Important criteria include activity,
shape and size of the catalyst
More
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| Optimised hydrogen production |
Jürgen Bezler Süd-Chemie AG, Catalytic Technologies
|
2004 / Catalysis |
This
article describes advances in steam-reforming catalysts for meeting the
increased demand for hydrogen in refinery operations. Retrofit options
such as installation of a pre-reformer are also discussed
More
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| Engineering gas-to-liquids projects – Part 2 |
Simon C Clarke Foster Wheeler Energy Ltd |
2004 / Q4 |
A
selection of profitable contracting strategies for capital-intensive
GTL projects. The author reviews how GTL projects have evolved, from
their inception through the various stages of engineering and study to
the award of an EPC contract
More
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| Optimising plant turnarounds |
Shaun Dyke PetroQuantum BV
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2004 / Q4 |
An
outline of the various steps that need to be taken to improve
turnaround performance, specifically addressing key activities,
controls, timeframes and the management of risk that constitute
turnaround best practice
More
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| Saving hydrocarbon vapour loss |
Dhilipkannan Natarajan Indian Petrochemicals Corporation Ltd
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2004 / Q4 |
A
description of modifying pressure control strategies to avoid n-hexane
solvent loss in a process unit’s intermediate storage vessels. A new
control philosophy was implemented to improve the existing split-range
pressure control strategy
More
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| Laboratory simulation of naphtha processing |
Avelino Corma Canos, Universidad Politécnica de Valencia |
2005 / Catalysis |
A
number of naphtha simulation options are available. The four scenarios
that form the basis of these simulations can lead to the best options
for cracking less conventional streams such as LSR and FCC naphtha,
while also producing propylene
More
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| Catalyst modelling improvements |
Greg Jackson Pavilion Technologies Inc
Jim Wambaugh CRI Catalyst Company |
2005 / Catalysis |
Reducing
the time to analyse catalyst and reactor performance is crucial to
petrochemical profitability. Use of a real-time catalyst performance
modelling system can maximise catalyst life while also reducing costly
laboratory analysis
More
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| Increasing propylene for the petrochemical market |
Solly Ismail Engelhard Corporation
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2005 / Q2 |
Increasing
FCC propylene with shape-selective additives minimises the impact on
unit process conditions and equipment. Production of butylenes and
isobutene without significant increases in dry gas and coke yield is an
added benefit
More
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| Optimised high-quality BTX production |
Thi Chang, Technical Editor, Houston, TX, USA |
2003 / Catalysis |
Transalkylation
catalysts are able to convert heavy aromatics into high-quality
petrochemicals at lower recycle rates and with increased run lengths
without the need for a solvent-extraction unit.
More
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| Technology for propylene boosting in steamcrackers. |
Heinz V Boelt, Stephan Glanz, Linde |
2003 / Catalysis |
Integration
of steamcracker C4/C5 components with a fixed-bed fluid
catalytic-cracking reactor employing a shape-selective heterogeneous
zeolytic ZSM-5 catalyst.
More
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| Adding value to pyrolysis gasoline. |
C Baumler, Sued Chemie AG, Catalytic Technologies, Munich, Germany |
2003 / Catalysis |
A
two-step reaction process for upgrading low-value aromatics to
high-value steamcracker feedstock uses optimised catalyst formulations
in each reactor.
More
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| Purification of olefinic streams for polymerisation units |
D J Artrip, K Flick, R Meissner, H Wanjek, BASF AG |
1997 / Q2 |
Improved
PE/PP-polymerisation technology requires more feedstocks free of
poisoning components. Most of these can be removed
catalytically. A system of noble metal and copper catalysts makes
it possible to take out components like acetylenes, dienes, As and S
compounds, oxygen, CO and hydrogen.
More
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| Propylene production frombutenes and ethylene |
J A Chodorge, J Cosyns, D Commereuc, B Torck, Institut Francais de Petrole (IFP) |
1997 / Q2 |
Naphtha
cracker operators are looking for ways to increase propylene/ethylene
production ratios without substantial ethylene production losses.
Metathesis of 2-butene with ethylene to increase propylene capacity may
be the most cost effective solution while maintaining operating
independence.
More
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| Selective olefins recovery |
Richard Barchas, Stone & Webster Engineering Corporation |
1997 / Q2 |
To
reduce the cost of recovering olefins, Stone & Webster and BP
Chemicals have jointly developed a chemical absorption technology,
commercially ready for recovering light olefins from vents from
ethylene oxide and synthetic ethanol units, and from streams located
within olefin plants.
More
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| Production of high purity MIBK |
Stephan Wilde and Dieter Sommer, Edeleanu GmbH |
1998 / Q2 |
Methyl-isobutyl-ketone
(MIBK) is a widely used solvent in the medium pressure boiling
range. Over 30 years, the single-stage MIBK process, using
acetone as a feedstock, has been developed to a state-of-the-art
technology. This article examines the process.
More
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| Economic advancements in propane dehydrogenation |
J H Gregor, J M Andersen, T D Foley, UOP |
1998 / Q2 |
Developments
of the Oleflex process for conversion of light paraffins into propylene
has culminated in a second-generation C3 complex, commissioned last
year, and units of 350 000 tonnes/year capacity are on the drawing
board.
More
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| Process for ultra-purification of paraxylene |
Oskar Fischer and Bernhard J Jans, Sulzer Chemtech Ltd |
1998 / Q2 |
A
new crystallisation process for paraxylene, which is a parent material
for PET, is based on Sulzer Chemtech's heat pump crystalliser
technology, and features two crystallisers and a refrigeration
plant. Energy consumption and investment costs are claimed to be
lower than with conventional systems.
More
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| Economics of a world class methanol plant |
Toshiyuki Mii and Kunio Hirotani, Toyo Engineering Corporation (TEC)
|
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.
More
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| Simulation of the firebox of thermal cracking furnaces |
M Sadrameli, Tarbiat Modares University H A Zahmatkesh, Amirkabir Petrochemical Company
|
2000 / Q2 |
This
article deals with the simulation of thermal cracking furnaces of
olefin plants, in particular those of the Tabriz plant in Iran.
More
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| A reformer model for a petrochemicals complex |
Hyun Chul Kim and Hae Sup Yoon, Samsung General Chemicals Lee Turpin, Ajay Lakshmanan, Nam Soo Park, Aspen Technology
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2001 / Q2 |
A
recently built petrochemical complex has been working on a programme to
predict the yield patterns for a variety of feeds and operations, using
case studies to determine how actual performance compares with the
plant's potential.
More
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| Developing
a process for the new century Developing a process for the new century |
J Mark Houdek, Charles L Hemler, Rusty M Pittman, Larry L Upson, UOP LLC
|
2001 / Q2 |
With
petrochemical product values and environmental pressures adding new
demands to FCC technology and operations, a process has been developed
which has been producing particularly high yields of light olefins and
aromatics.
More
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| Simulation of styrene monomer reactors |
M Sadrameli and A Irankhah, Tarbiat Modares University E Nateghi, Tabriz Petrochemical Plant
|
2001 / Q2 |
Agreement
between the simulated and the experimental results in an exercise
involving three reactors at a petrochemical plant established the
accuracy of the proposed model and the simulation programme.
More
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| xxxxxxxxxxx |
Richard H Nielsen, SRI Consulting
|
2001 / Q1 |
A
review of the ways in which expanding plant capacity by means of
revamps proves to be significantly less costly than building a
grassroots plant which has an equivalent capacity.
More
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