ARTICLES
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Managing fouling in refinery networks
Jul-2015
Modelling heat exchanger and other networks enables the use of dynamic fouling models in performance assessment and predictive studies
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Processing high TAN crude: part I
Jan-2010
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 ...
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A novel approach to cleaning furnace coils
Jul-2013
A modified pigging operation aims to greatly reduce the time required for coke removal from furnace coils
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Choosing a neutralising amine corrosion inhibitor
Jul-2004
A review of physical and chemical properties of commonly used amine-based corrosion inhibitors. The authors highlight the relative strengths and weaknesses ...
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Stripping sour water: the effect of heat stable salts
Oct-2012
Mass transfer rate-based simulation models sour water stripping and assesses the distribution of ammonia in conventional amine treating systems
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Removing contaminants from crude oil
Mar-2016
Natural and introduced contaminants limit crude desalting effectiveness, increasing fouling and corrosion risks in downstream units
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Combating green oil formation in a CCR reformer
Jul-2013
The addition of a chloride adsorber guard bed solved a refiner’s issues with contamination affecting a CCR reformer’s rich gas compressor
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Chloride removal in refineries
Mar-2011
A review of catalytic removal of chlorides from refinery streams and a critique of current analytical techniques for estimating chloride content
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Detecting and dealing with hydrate formation
Apr-2010
A review of cause, detection and treatment of hydrate plug formation in gas pipelines. Gas hydrates are solid crystalline compounds, which have a structure ...
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Multiple corrosion mechanisms in crude distillation overhead system
Jul-2009
Extensive troubleshooting efforts determine distinct corrosion mechanisms simultaneously attacking multiple areas of an atmospheric tower overhead sys ...
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Controlling corrosion in amine treatment units
Apr-2011
A range of measures can be taken to minimise corrosion in amine units. The amine unit plays a vital role in the petroleum refining, gas processing, coal ...
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Olefins plant cracker gas compressor fouling
Apr-2007
Monitoring and treating process gas compressors to prevent corrosion and fouling. Several examples of improved compressor performance through the utilisation ...
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Hydrogen-induced cracking and blistering
Apr-2009
Hydrogen damage to steel is a well-known consequence of corrosion in sour service. A corrosion inhibitor program can reduce hydrogen entry into the metal. ...
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Preventing salt fouling in FCC main fractionators
Apr-2001
Results of using salt dispersant additives on a badly fouled FCC unit has shown that the method allows refiners to avoid more costly methods of naphtha ...
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Mitigation of heat exchanger fouling
Oct-2012
Detailed analysis of potential contributors identifies the root cause of fouling in naphtha hydrotreater feed-effluent exchangers
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Preventing ammonium salt fouling and corrosion
Jan-2018
Best practices and opportunities to reduce the risk of salt deposition and damage
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Minimise corrosion while maximising distillate
Jul-2012
Reducing atmospheric fractionator overhead temperatures to maximise middle distillate production requires a full understanding of resulting corrosion ...
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Microbiological causes of corrosion
Jul-2014
Many of the most serious problems with corrosion of refinery equipment have a microbiological basis
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Future of opportunity crudes processing
Oct-2011
Five critical drivers help refiners remain profitable and sustain long-term business goals while processing relatively inexpensive, low-quality crudes
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Reactor effluent air cooler safety through design
Oct-2013
Quality-controlled replacement of carbon steel with Duplex 2205 for revamps can increase the service life and reliability of the REAC in the high-pressure ...
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Online cleaning and decontamination of a butadiene unit
Apr-2010
Chemical treatment by closed-loop recirculation reduced cleaning time for a butadiene unit turnaround from a typical 20 days to 24 hours
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Removing salts and contaminants in glycol regeneration
Apr-2014
A new process combining candle filters and pressure plate filters enables more glycol to be safely recovered from natural gas than by conventional met ...
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Mitigating fouling in the caustic tower
Oct-2013
Comprehensive analysis of foulants in an ethylene plant’s caustic tower led to the identification of an effective treatment programme
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Feb-2016
An understanding of process basics and fouling mechanisms enables increased run length in problem columns.
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Safe removal of polymeric deposits
Jan-2015
Damaging polymeric fouling of internals can be cleaned in situ by safe chemical treatments. Butadiene polymer formation is not an unusual problem in ...
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Managing fouling in refinery networks
Jul-2015
Modelling heat exchanger and other networks enables the use of dynamic fouling models in performance assessment and predictive studies
-
A novel approach to cleaning furnace coils
Jul-2013
A modified pigging operation aims to greatly reduce the time required for coke removal from furnace coils
-
Processing high TAN crude: part I
Jan-2010
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 ...
-
Choosing a neutralising amine corrosion inhibitor
Jul-2004
A review of physical and chemical properties of commonly used amine-based corrosion inhibitors. The authors highlight the relative strengths and weaknesses ...
-
Removing contaminants from crude oil
Mar-2016
Natural and introduced contaminants limit crude desalting effectiveness, increasing fouling and corrosion risks in downstream units
-
Combating green oil formation in a CCR reformer
Jul-2013
The addition of a chloride adsorber guard bed solved a refiner’s issues with contamination affecting a CCR reformer’s rich gas compressor
-
Controlling corrosion in amine treatment units
Apr-2011
A range of measures can be taken to minimise corrosion in amine units. The amine unit plays a vital role in the petroleum refining, gas processing, coal ...
-
Detecting and dealing with hydrate formation
Apr-2010
A review of cause, detection and treatment of hydrate plug formation in gas pipelines. Gas hydrates are solid crystalline compounds, which have a structure ...
-
Stripping sour water: the effect of heat stable salts
Oct-2012
Mass transfer rate-based simulation models sour water stripping and assesses the distribution of ammonia in conventional amine treating systems
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Feb-2016
An understanding of process basics and fouling mechanisms enables increased run length in problem columns.
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Avoiding unplanned reactor shutdowns
Feb-2019
In hydroprocessing operations, prevention is better than just dealing with the effects of corrosion and fouling problems.
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Foaming in fractionation columns
Oct-2015
By understanding the foaming process and its root causes, steps can be taken to eliminate or minimise the formation of foaming.
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Reactor effluent air cooler safety through design
Oct-2013
Quality-controlled replacement of carbon steel with Duplex 2205 for revamps can increase the service life and reliability of the REAC in the high-pressure ...
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Problems in processing discounted crudes Part 1: definition and crude preheat
Feb-2019
Project costs must be considered to fully understand whether or not an opportunity crude really does deliver on savings.
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Nov-2017
Thorough tank cleaning means removing all of the sludge and restoring the vessel’s full storage capacity.
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Opening the crude flexibility window: enhancing crude unit capabilities
Mar-2018
Innovative online analysers help refiners to mitigate crude unit threats in real time and provide new insights into existing problems.
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Monitoring and simulation resolves overhead corrosion
Mar-2016
Online corrosion monitoring in tandem with simulation modelling identified the root cause of corrosion in a crude unit overhead
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Preventing ammonium salt fouling and corrosion
Jan-2018
Best practices and opportunities to reduce the risk of salt deposition and damage
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Chloride removal in refineries
Mar-2011
A review of catalytic removal of chlorides from refinery streams and a critique of current analytical techniques for estimating chloride content
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Microbiological causes of corrosion
Jul-2014
Many of the most serious problems with corrosion of refinery equipment have a microbiological basis
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Amine plant corrosion reduced by removal of bicine
Jun-2012
Bicine, an amino acid, has been found in numerous amine gas treating systems including tail gas treating units, certain refinery services, and some natural ...
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Choose the right hose: a practical guide to hose selection
Mar-2013
The right hose keeps your process performing safely and cost effectively. The wrong hose could undermine your process, put personnel at risk and compromise ...
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Multiple corrosion mechanisms in crude distillation overhead system
Jul-2009
Extensive troubleshooting efforts determine distinct corrosion mechanisms simultaneously attacking multiple areas of an atmospheric tower overhead sys ...
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Enhancing energy efficiency in the CDU
Apr-2015
Revisiting your crude distillation unit may expose hidden potential for major energy savings
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Linings for sulphur storage tanks
Apr-2015
Flexible spray coatings combat the corrosion mechanisms of sulphur stored in steel tanks.
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Oct-2020
Response to a question in the Q3 2020 issue of PTQ
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Oct-2020
Responses to a question in the Q3 2020 issue of PTQ
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Oct-2020
Responses to a question in the Q3 2020 issue of PTQ
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PackView™ liquid retention scale is a quantitative analysis of packing maldistribution
Sep-2020
PackView™ can be used to compare operational parameters with engineering design
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Improving turnarounds and operations with online cleaning
Sep-2020
Case histories illustrate the financial and operational gains achieved by replacing mechanical cleaning with online, closed-loop operations. The conventional ...
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Heat exchanger fouling analytics
Sep-2020
Modelling the effects of fouling on the performance of heat exchangers and its impact on product values as well as energy losses
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Managing the life cycle of coke drums
Sep-2020
Coke drums have finite lives. Understanding where they are in their life cycle is key to managing spending on repair or replacement
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Real-time crude and desalter monitoring
Sep-2020
An analyser array supports corrosion management through continuous insights into changes in crude quality
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Types of corrosion and materials to combat them
Sep-2020
A review of corrosion problems in fluid systems and how to prolong their life in one of the oil and gas industry’s most challenging environments.
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Sep-2020
Remotely cleaning furnace tubes slashed the cost of hydrogen production for a refiner.
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Automated level measurement cuts desalter upsets (TIA)
Aug-2020
The path from crude oil to high quality, usable products involves complex technical production and processing procedures in refineries, whereby several ...
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How refineries around the globe are preventing chloride catastrophes with XRF
Dec-2019
Organic chlorides do not occur naturally in crude oil; however, their presence remains a disruptive issue in the refining industry.
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Arkema achieved its 6000th sulphiding job in September 2019 (ERTC)
Dec-2019
Launched in the 1990s, Arkema’s injection service of dimethyl disulphide (DMDS) for the in-situ activation of hydroprocessing catalysts reached its 6000th ...
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Digitalisation in refining and petrochemicals
Dec-2019
The introduction of IIoT technologies is helping two companies improve their decision making and performance.
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Preventing yellow metal corrosion
Dec-2019
A novel corrosion inhibitor for yellow metal meets corrosion and environmental targets under halogen control.
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Addressing the sour gas challenge
Dec-2019
Recent developments in corrosion resistant alloys help operators to overcome the challenges of hydrogen sulphide induced cracking in pipelines and key ...
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Removing acid droplets produced by alkylation reaction
Nov-2019
Studies lead to a fuller understanding of how sulphuric acid droplets form in alkylation reactions and how to combat resulting downstream corrosion.
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Overcoming overhead corrosion (TIA)
Nov-2019
In the pursuit of efficient and profitable refinery operations, owner-operators must balance feedstock flexibility and product optimisation with asset ...
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Automated welding restores boiler performance (TIA)
Nov-2019
Biomass is becoming an increasingly popular fuel for power generation. It is one of several technologies being implemented to improve the sustainability ...
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Installation of a new flue gas tunnel design concept and resulting operation
Oct-2019
Conventional tunnels incorporate physical features that constrain design efficacy resulting in non-uniform flue gas flow both along the length of the tunnels ...
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Aug-2019
Analysing desalter performance and improving crude blending capacity with multi-phase instrumentation and control.
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Sustainable technology for cleaning a crude preheat exchanger network
Aug-2019
Mitigating environmental impacts, saving time and reducing costs: cleaning a heat exchanger network using a renewable cleaning agent.
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Desalter interface control optimises crude processing (TIA)
Aug-2019
To improve margins, refiners continuously look to optimise feedstock blends. Variability can bring significant operational challenges during the refining ...
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Improving the flow, installation experience with a new reformer flue gas tunnel system
Jul-2019
For decades, down-fired steam methane reformer furnaces have used flue gas tunnels (or ‘coffins’) along the radiant section floor to collect and improve ...
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Operational challenges in sour water stripping
Jul-2019
How to keep a sour water stripper at optimum performance between shutdowns.
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