Acid gas treatment upgrade for Qatargas

Jul-2016

Upgrading acid gas treatment at the world’s largest LNG facility safeguards the plant’s design capacity and its ability to process increasingly sour ...

Catalytic strategies to meet gasoline sulphur limits

Apr-2015

Stricter regulations reducing average gasoline sulphur content will require further reduction of FCC gasoline sulphur

Advanced recycle paraffin isomerisation technology

Apr-2001

An examination of how combining chlorinated catalyst, molecular sieves and well designed process configurations can maximise the value of C5/C6 strea ...

Eliminating the claus furnace

Apr-2014

A novel approach to the conversion of hydrogen sulphide to elemental sulphur is expected to extend the economic range for Claus plants.

Oxygen enriched sulphur recovery

Apr-2015

Revamping its SRU to oxygen enriched operation increased a refiner’s sulphur processing capacity and significantly reduced operating costs.

Improved performance of the Benfield-HiPure process using process simulation

Oct-2013

Natural gas processing plants are an essential part of the energy industry, providing clean burning fuels and valuable chemical feedstock.

Future fuel - the challenges associated with renewable diesel hydrotreating

May-2016

As a consequence of the general concern about fossil fuel resources and global warming from CO2 emissions, the use of alternative, sustainable sources ...

A recommended approach to managing your contaminated sulphur

Oct-2016

Contaminated sulphur clean-up can be a daunting task. It is natural to seek the cheapest and quickest methods of removal.

Low temperature SCOT Catalyst 
pays off

Dec-2004

Jacobs Nederland B.V. demonstrates how new improvements in low temperature catalysts have boosted the Shell Claus Offgas treating (SCOT) process

A few sweet tricks for sour gas

May-2014

Large volumes of acid gas (H2S and SO2-rich gas) are generated from various technologies used to sweeten sour off-gases, or acid gas.

SOx and NOx emission abatement in the FCC

Feb-2018

The complexities of sulphur and nitrogen species formation in the FCC call for tailor made catalyst additive chemistry to limit formation of polluting ...

Sulphur recovery from lean 
sour gas streams

Nov-2013

Gas streams are often treated with amine or membrane systems to meet specifications before the gas can be sent to a pipeline or used in a fuel gas system. ...

New developments in acid gas removal

Jun-2015

One of the challenges when designing a natural gas treatment plant is to optimize the combination of the acid gas removal (AGR) unit and the sulphur recovery ...

Pinched performance: Part 1

Feb-2015

Absorbers become lean-end pinched when the solvent’s capacity for acid gas greatly exceeds the acid gas to be removed. Carbon dioxide and hydrogen sulphide ...

Ammonia destruction in the reaction furnace

Nov-2016

A study based on reaction fundamentals aids a comparison of the advantages of one-zone and two-zone SRU reaction furnace design in ammonia destruction ...

Dealing with hydrogenation catalyst poisons

Mar-2018

For stable operation of a pyrolysis gasoline unit, it is crucial to know the effects of poisons and inhibitors on catalyst performance and how to counteract ...

Tail gas catalyst performance: part 1

Jul-2014

The first part of a two-part account of time and temperature effects on tail gas catalyst performance provides a background to reaction modelling and pilot ...

Enhanced sulphur recovery from lean acid gases

Apr-2011

A preferred acid gas enrichment scheme is combined with two gas-treating schemes to examine the lifecycle cost of a sour natural gas treatment facilit ...

Modelling for ULSD optimisation

Apr-2011

On-line coordination and optimisation of refinery process units led to a 10% increase in middle distillate production

Predicting corrosion rates in amine and sour water systems

May-2014

A chemistry-based predictive model predicts corrosion rates in specific processing conditions. Corrosion is a ubiquitous problem in gas treating in the ...

Phased investment 
for H2S removal

Oct-2008

Awareness of H2S removal process steps and how they can be combined to reduce costs compared to the use of a single sweetening unit operation

Improving sulphur plant performance

Jun-2017

Strict attention to utilities is critical to ensure safe and reliable sulphur recovery unit operation

An optimum line-up for sour gas processing

Apr-2010

Analysis of technical, economic and licensing considerations in the selection of an optimum gas treating line-up recommends a choice of technologies

Hydrogen - the key refinery enabler

Aug-2012

In the 21st century, the term “scraping the bottom of the barrel” has become quite literal to the refining industry and hydrogen comes to the fore ...

High sulphur recovery with ease 
of operation

Jan-2015

A process performing sulphur recovery and tail gas treatment in two catalytic reactor units exceeded guaranteed recovery limits from start-up.

Pinched performance: Part 1

Feb-2015

Absorbers become lean-end pinched when the solvent’s capacity for acid gas greatly exceeds the acid gas to be removed. Carbon dioxide and hydrogen sulphide ...

IMO 2020 – the deadline approaches

May-2019

How is the refining industry reacting to the shake-up with less than a year to go? The refining industry has responded to the forthcoming IMO 2020 lower ...

Diesel hydrotreating and mild hydrocracking

Oct-2011

Increased hydroprocessing capability must provide an acceptable long-term return on capital, while producing the desired product yields and qualities

High sulphur recovery with ease 
of operation

Jan-2015

A process performing sulphur recovery and tail gas treatment in two catalytic reactor units exceeded guaranteed recovery limits from start-up.

Designing for a sourer future

Jun-2018

Achieving the right sulphur plant capacity and configuration is crucial to the proper operation of a refinery.

Dealing with hydrogenation catalyst poisons

Mar-2018

For stable operation of a pyrolysis gasoline unit, it is crucial to know the effects of poisons and inhibitors on catalyst performance and how to counteract ...

Designing for sulphur removal and storage: part 1

Apr-2010

Selection of technologies for the sulphur block must serve legislative demands and the efficient operation of upstream processes

Predicting corrosion rates in amine and sour water systems

May-2014

A chemistry-based predictive model predicts corrosion rates in specific processing conditions. Corrosion is a ubiquitous problem in gas treating in the ...

Tail gas catalyst performance: part 2

Dec-2014

The second part of a two-part account of time and temperature effects on tail gas catalyst performance gives a background to reaction modelling and pilot ...

A step change in tail gas treating unit performance at low cost with SCOT ULTRA

May-2017

Two projects helped a TGT unit to improve its operability and lower operating costs while meeting tough emission requirements.

Improving sulphur plant performance

Jun-2017

Strict attention to utilities is critical to ensure safe and reliable sulphur recovery unit operation

Meeting low sulphur diesel challenges

Dec-2017

Liquid stream hydroprocessing technology enabled a refiner to meet fast-changing diesel sulphur specifications and process a wide variety of feedstock ...

Clean diesel 
hydrotreating

Jan-2009

Design considerations for clean diesel hydrotreating. Critical issues are 
discussed when designing a hydrotreating facility to produce diesel fuel 
with ...

Flexible thinking for capital projects

Jun-2017

Conventional project planning and execution may not be the best approach for gas treating and sulphur recovery installations.

Key steps for refiners ahead of IMO 2020 (ERTC)

Nov-2017

The reality is that many refiners remain unprepared for IMO MARPOL 73/78 Annex VI (IMO 2020). These regulations, which will substantially tighten the global ...

IMO 2020: meeting the challenge

Sep-2020

Developments in fuel additive technology address challenges and uncertainties raised by the IMO 2020 regulations

Advanced recycle paraffin isomerisation technology

Apr-2001

An examination of how combining chlorinated catalyst, molecular sieves and well designed process configurations can maximise the value of C5/C6 strea ...

Oxygen enriched sulphur recovery

Apr-2015

Revamping its SRU to oxygen enriched operation increased a refiner’s sulphur processing capacity and significantly reduced operating costs.

Improving reaction furnace performance with the Blasch VectorWall mixing checkerwall

Sep-2013

Operators of large refractory lined combustion chambers, whether used as primary reaction furnaces, thermal oxidisers in tail gas units or miscellaneous ...

Producing ultra low sulphur gasoline with octane retention

Mar-2018

A drop-in catalyst enabled refiners to meet ultra low sulphur gasoline requirements with more severe feedstocks while retaining octane barrels

Sulphur recovery from lean 
sour gas streams

Nov-2013

Gas streams are often treated with amine or membrane systems to meet specifications before the gas can be sent to a pipeline or used in a fuel gas system. ...

Unload the SRU to reduce plugging problems and operating costs

May-2015

A crude oil refinery may need additional sulphur recovery capacity for any of a combination of reasons:

A recommended approach to managing your contaminated sulphur

Oct-2016

Contaminated sulphur clean-up can be a daunting task. It is natural to seek the cheapest and quickest methods of removal.

Residuum hydrocracking: chemistry and catalysis

Aug-2019

Significant advances have been made in understanding the hydrocracking chemistry of residuum oils and in the catalytic systems required for deep conversion ...

LO-CAT: a flexible hydrogen sulphide removal process

Feb-2015

The hydrocarbon engineering industry faces tighter restrictions for hydrogen sulphide (H2S) emissions and expanding requirements for sulphur recovery. ...