Coker naphtha hydrotreating

Jan-2008

Highly exothermic olefins saturation and silica contamination can occur when hydrotreating coker naphtha.

Control of foaming in amine systems

Sep-2007

Amine solutions foam. Solution foaming causes plant upsets. It is the disengagement or break time that differentiates normal, desirable froth from undesirable ...

Delayed coking and LC-Fining technology - a winning combination

Apr-2008

The high price of oil and increasing global demand for refined products have resulted in unprecedented refining margins, especially for those refiners ...

Advances in amine reclaiming

Feb-2007

Why there is no excuse for operating a dirty amine system. The benefits of reclaiming amine systems are trumpeted by many and doubted by others.

Residue upgrading

Apr-2006

An examination into the feedstock and process conditions where solvent deasphalting is the most appropriate technology for upgrading residue

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 ...

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

Evaluating opportunity crude processing

Oct-2006

Is processing opportunity crudes for every refiner? Technical challenges and economic benefits from processing high-acid crudes and bottom-of-the-barrel ...

Delayed coking as a sustainable refinery solution

Jun-2021

Fuel grade coke is a serious environmental pollutant but the producer, the delayed coking process, can be a contributor to future sustainable development ...

Estimating delayed coker yields

Feb-2020

Correlations were developed for estimating product yields from delayed coker units to achieve optimum performance and refinery configuration.

Anode-grade coke from traditional crudes

Apr-2010

A combination of solvent deasphalting and delayed coking is an option to minimise fuel oil production and produce anode-grade coke

Increasing catalytic reforming yields

Mar-2008

Case study where a CCR Platforming process unit increased profitability by changing to a high-density catalyst. Higher aromatic yields and the ability ...

Delayed coker design and project execution

Apr-2002

This article presents insights into the key considerations for residue upgading and details some of the advances in technology, including online computer ...

Delayed coking: valves make the difference

Jan-2009

Traditional manual methods of coke drum unheading are labour intensive, costly to maintain, expensive to repair and carry inherent risk for personnel on ...

Coke drum design

Jul-2006

Issues to consider for extending the turnaround schedule of a delayed coking unit. Theory behind coke drum failure is discussed, with detailed solutions ...

Analysis method for determining bound and free alkanolamines in HSS contaminated solutions

Jul-1990

A conductometric titration method has been developed to determine the true available alkanolamine in solutions used for H2S and CO2 removal from refinery ...

Advances in delayed coking heat transfer equipment design

Nov-2008

The delayed coking process is used to crack heavy oils, normally vacuum residue, into more valuable light liquid products, with less valuable gas and solid ...

Simulation of bitumen upgrading processes

Apr-2013

Two bitumen upgrading processes currently used in the Canadian oil sands industry were investigated using modelling and simulation techniques

Impact of bitumen feeds on the FCCU: part I

Jul-2008

The impact of processing bitumen-derived feeds on FCC operations and product yields is assessed, and the capital investments required to process varying ...

Operating challenges associated with fines in the delayed coker

Jun-2014

The coking process has been around since the early days of the refining industry. Over the years it has undergone continuous improvements to make it a ...

Safe, reliable and maintenance-free coke drum unheading

Jun-2011

The process of coke drum unheading within oil refining has traditionally been one of the most dangerous activities in the industry. Even today such operations ...

Upgrading residues for high levels of distillate production

Oct-2009

A slurry hydrocracking reactor technology demonstrates a high level of conversion of vacuum residues to distillate and gasoline

Advances in residue upgrading technology

Apr-2002

A combination of mature technology and innovative catalyst design and process improvements provide the flexibility to upgrade heavier feeds

Energy conservation in a crude unit

Feb-2016

Online cleaning of a CDU/VDU heat exchanger network saved on time, energy and environmental impact.

Hydrocarbon removal from amines demonstrated experience

Mar-2006

Bringing amine system contaminants down to low levels has reduced operational problems. Several large operating facilities are now using the latest technology ...

Delayed coking as a sustainable refinery solution

Jun-2021

Fuel grade coke is a serious environmental pollutant but the producer, the delayed coking process, can be a contributor to future sustainable development ...

Minimising unwanted coke formation in FCC operations

Apr-2023

Design and operating practices to minimise the amount and effects of unwanted coke formation in FCC operations.

Increase reliability and profitability in delayed coking units

Sep-2021

Global refiners are always seeking new techniques to optimise their refinery assets with the purpose of maximising their profitability.

Coker naphtha hydrotreating

Jan-2008

Highly exothermic olefins saturation and silica contamination can occur when hydrotreating coker naphtha.

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

Design configurations for lowering quenched coke drum venting pressure

Feb-2023

Compare the advantages when installing either an ejector or a water ring compressor for lowering coke drum venting pressure.

Maximizing refinery energy optimisation

Jan-2018

Flexicoking™ technology is a highly differentiated unique resid upgrading process resulting in significantly lower environmental emissions than other ...

Considerations for repurposing a fuel-grade coker into a needle coker

Nov-2022

How a delayed coking unit originally designed and operated to produce fuel-grade coke could be repurposed to produce needle coke.

Run length improvement and emissions reduction in delayed coker heaters

May-2023

For many refineries, the delayed coker unit is a vital component of refinery profitability. The tubes used in delayed coker units foul and must be decoked ...

Predicting middle distillate properties

Apr-2019

Development of on-stream correlation models to predict cloud point, flash point and freezing point and increase production of on-spec jet fuel using a ...

Flexible upgrading of heavy feedstocks

Feb-2019

Adding tailor-made options for upgrading heavy crudes to existing assets can adapt refineries to changes in market conditions and regulatory demands.

Residue upgrading

Apr-2006

An examination into the feedstock and process conditions where solvent deasphalting is the most appropriate technology for upgrading residue

Delayed coking: valves make the difference

Jan-2009

Traditional manual methods of coke drum unheading are labour intensive, costly to maintain, expensive to repair and carry inherent risk for personnel on ...

Preventing emissions in coke removal

Oct-2014

A closed, automated coke removal system aims for gains in environmental, economic and safety performance

Greatly increase FCC residue processing through simple steps of additive control (ERTC)

Jan-2019

With oncoming challenges of IMO and further gaseous emissions control regulations, it is becoming a challenge for refiners in the European area to stay ...

Control of foaming in amine systems

Sep-2007

Amine solutions foam. Solution foaming causes plant upsets. It is the disengagement or break time that differentiates normal, desirable froth from undesirable ...

Delayed coking and LC-Fining technology - a winning combination

Apr-2008

The high price of oil and increasing global demand for refined products have resulted in unprecedented refining margins, especially for those refiners ...

Process flow determines coker heater performance

Jun-2018

Uniform tube metal temperature resulting from a change in process flow enhances the run length of a delayed coker heater.

Simulation of bitumen upgrading processes

Apr-2013

Two bitumen upgrading processes currently used in the Canadian oil sands industry were investigated using modelling and simulation techniques

Impact of bitumen feeds on the FCCU: part I

Jul-2008

The impact of processing bitumen-derived feeds on FCC operations and product yields is assessed, and the capital investments required to process varying ...

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

Estimating delayed coker yields

Feb-2020

Correlations were developed for estimating product yields from delayed coker units to achieve optimum performance and refinery configuration.

Corrosion and corrosion enhancers in amine systems

Apr-2005

Corrosion in alkanolamine gas treating solutions begins with the acid gases, which are the target of the treating, and is enhanced by several physical ...

Coke drum design

Jul-2006

Issues to consider for extending the turnaround schedule of a delayed coking unit. Theory behind coke drum failure is discussed, with detailed solutions ...

Anode-grade coke from traditional crudes

Apr-2010

A combination of solvent deasphalting and delayed coking is an option to minimise fuel oil production and produce anode-grade coke