Understanding basic principles of flow calculations

Mar-2008

Valve size often is described by the nominal size of the end connections, but a more important measure is the flow that the valve can provide.

Improving the distillation energy network

Oct-2013

Energy-efficient design applied to the refit of a distillation unit was achieved through optimisation between the distillation column and heat network ...

Seismic design of structural steel pipe racks

Nov-2011

Structural steel pipe racks are structures in petrochemical, chemical and power plants that support pipes, power cables and instrument cable trays. Occasionally, ...

Advanced propane dehydrogenation

Jan-2008

Oxdehydrogenation-based on-purpose propane dehydrogenation can close the propylene supply-demand gap. Reactor design and the effect of thermodynamic equilibrium ...

Residue desulphurisation and conversion

Apr-2006

The current market forces that presage a boom in resid hydrotreatment are examined along with recently reported progress in technology

Process unit cold eyes review

Apr-2012

Operators of process equipment have an obligation to understand the existing and future potential for unit reliability and operability.

Working with an extractive distillation process

Jul-2001

A cost comparison between progressive extractive distillation of aromatics versus a more conventional technology has shown there can be considerable savings ...

Computation of heat conduction in welding of thick wall reactor vessels

Sep-2017

The welding of reactors in refinery is complex due to various phase formation during and after welding. Each phase was unique with success of welding lies ...

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 ...

Practical hydrocarbon dew point specification for natural gas transmission lines

Mar-2011

Hydrocarbon liquid dropout can cause a number of problems in gas transmission lines, including increased pressure drop, reduced line capacity and equipment ...

Experimental phase balance assessment for duplex stainless steel welded pipe

Jan-2018

This paper discusses the assessment of weld metal ferrite content in duplex stainless steel pipe welded at a 45Ëšangle

FCC product fractionation for maximum LCO

Jul-2017

For increased production of diesel over gasoline, maximising recovery of LCO from the FCC reactor can be part of the scheme

Alternative routes to paraxylene production

Apr-2004

An integrated refining and petrochemical approach to paraxylene manufacture from various feedstocks, such as excess aromatics in reformate or pyrolysis ...

Practical flare gas recovery for minimising flaring

Apr-2015

Flares play a critical role as a safety device in refineries, and in most oil and gas producing or processing facilities.

Capture and convert - handling mercaptans in hydrocarbon streams

Dec-2008

With the development of increasingly difficult hydrocarbon streams, mercaptans emerge as a major nuisance. The removal and conversion of mercaptans is ...

Divided-wall columns — a novel distillation concept

Oct-2000

The technology of divided-wall columns using a single distillation tower, described in this article, is claimed to have investment and operating advantages ...

Risks of accumulated sulphur in sulphur recovery units

Apr-2014

While recovering sulphur in an SRU depends on condensation of sulphur, its unintended condensation and accumulation can present problems.

Accurate front-end scope definition: the key to a successful revamp project

Mar-2014

One of the characteristics of a mature industry such as petroleum refining, particularly in the U.S., is that many capital projects are facility revam ...

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

Conversion of syngas to diesel

Apr-2008

An overview of Fischer-Tropsch technologies for the production of diesel from syngas using a variety of feedstocks

Medium-sized hydrogen plants based on convection reforming

Feb-2009

Topsoe offers clients flexible and tailor-made solutions for hydrogen production by integrating catalyst and technology. The integrated approach ensures ...

Choosing the proper regulator for high-purity applications

Feb-2008

Regulators are highly technical, highly specialised fluid-handling components. So, the next time you need one please do not just grab one out of the supply ...

Paraffins isomerisation options

Apr-2005

Isomerisation technologies are available, from once-through and deisohexaniser recycle processes to recycle schemes involving molecular separation pro ...

Tube and pipe fitting considerations for reliable, leak-tight process lines

Mar-2008

Unreliable process lines create excessive costs for industry in the form of higher operating expenditures, increased downtime and potentially negative ...

Hydrocracker revamp for Grangemouth refinery

Jul-1998

BP Oil’s Grangemouth refinery has completed an extensive revamp of its hydrocracker and FCC, reducing production of fuel oil and upgrading to middle ...

Experimental phase balance assessment for duplex stainless steel welded pipe

Jan-2018

This paper discusses the assessment of weld metal ferrite content in duplex stainless steel pipe welded at a 45Ëšangle

Computation of heat conduction in welding of thick wall reactor vessels

Sep-2017

The welding of reactors in refinery is complex due to various phase formation during and after welding. Each phase was unique with success of welding lies ...

Seismic design of structural steel pipe racks

Nov-2011

Structural steel pipe racks are structures in petrochemical, chemical and power plants that support pipes, power cables and instrument cable trays. Occasionally, ...

Managing a control system migration

Jul-2020

Overcoming the inherent risks of a control system upgrade relies heavily on collaborating and sharing information transparently with a systematic, integrated ...

Choosing the proper regulator for high-purity applications

Feb-2008

Regulators are highly technical, highly specialised fluid-handling components. So, the next time you need one please do not just grab one out of the supply ...

Planning to counter economic turbulence

Sep-2020

Synchronising engineering and planning models should be a key aim to support the resilience and agility needed for economic recovery

Value engineering: a continuous front-end process (ERTC)

Dec-2021

The concept of front-end loading of projects is not new, where robust planning and design early in a project’s lifecycle helps to influence changes in ...

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 ...

Improving the distillation energy network

Oct-2013

Energy-efficient design applied to the refit of a distillation unit was achieved through optimisation between the distillation column and heat network ...

Refining/petrochemical integration: a new paradigm

Sep-2013

The global trend in motor fuel consumption favours diesel over gasoline. There is a simultaneous increase in demand for various petrochemicals such as ...

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 ...

Risks of accumulated sulphur in sulphur recovery units

Apr-2014

While recovering sulphur in an SRU depends on condensation of sulphur, its unintended condensation and accumulation can present problems.

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

Rapid project implementation

Dec-2022

A project management team was tasked with speeding up the installation of a large number of high-return opportunities by altering their current work p ...

How to read a regulator flow curve

Sep-2011

The best way to select a regulator for your application is to examine its flow curve, which is often provided by the manufacturer. “Flow curve” is ...

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 ...

Managing knowledge retention

Mar-2018

With continued activity in mergers and acquisitions, companies need to consolidate assets to survive or retain their influence in the market.

Working with an extractive distillation process

Jul-2001

A cost comparison between progressive extractive distillation of aromatics versus a more conventional technology has shown there can be considerable savings ...

Accurate front-end scope definition: the key to a successful revamp project

Mar-2014

One of the characteristics of a mature industry such as petroleum refining, particularly in the U.S., is that many capital projects are facility revam ...

Fired capital equipment: key plant components

Oct-2015

Fired capital equipment is an often neglected asset associated with plant operations. The global petrochemical and refining industries remain volatile ...

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.

Advanced propane dehydrogenation

Jan-2008

Oxdehydrogenation-based on-purpose propane dehydrogenation can close the propylene supply-demand gap. Reactor design and the effect of thermodynamic equilibrium ...

Alternative routes to paraxylene production

Apr-2004

An integrated refining and petrochemical approach to paraxylene manufacture from various feedstocks, such as excess aromatics in reformate or pyrolysis ...

Designing for sulphur removal and storage: part II

Jul-2010

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

Retrofitting a glycol contactor to prevent carryover

Oct-2013

A revamp of glycol contactor column internals, following CFD studies, resolved problems with gas production caused by glycol carryover