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How to select best meg recovery unit’s configuration?
Sep-2014
The formation of hydrates in deep sea natural gas tie-back lines had been traditionally inhibited by injecting Triethylene Glycol (TEG) or Methanol at ...
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A promoter for selective H2S removal: part I
Apr-2011
A new MDEA promoter achieves very low H2S lean loadings and the option for flexible design of acid gas enrichment units by varying absorber heights
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Jan-2013
Revamping a VDU’s vacuum system delivered operational improvements in a refinery, but also led to safer and more efficient handling of non-condensed ...
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Extending the treatment of highly sour gases: cryogenic distillation
Jan-2014
Cryogenic bulk removal of H2S or CO2 offers an economic advantage when the separated acid gases from super sour gas are re-injected
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A new acid gas enrichment process
Feb-2008
Patented HighSulf technology is one of the most effective methodologies for acid gas enrichment (AGE) and tail gas treatment (TGTU), and it can be highly ...
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Apr-2011
Fibre optic distributed temperature sensing has several advantages over conventional real-time data sensors in cryogenic leak detection at LNG termina ...
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Preventing ingress of HCN into amine systems
Jul-2013
Simulation studies provide guidelines on how to avoid contamination of refinery amine systems by hydrogen cyanide
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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 ...
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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 ...
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Mar-2007
In amine sweetening units, the heat of absorption and VOC and BTEX solubility have been found to vary significantly with acid gas loading, as well as with ...
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Less is more: how a dividing wall column maximises LPG recovery
Oct-2014
Maximising LPG recovery from fuel gas using a dividing wall column. Refiners have a challenge to recover LPG from mixed fuel gas streams due to the difficulty ...
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Accuracy of measured lean amine H2S loading
May-2018
When solvent regeneration is done robustly the most accurate assessment of lean loadings can be by simulation rather than by measurement.
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Solubility of hydrocarbons and light ends in amines
Apr-2013
Modelling procedures predict with considerable certainty what the expected hydrocarbon content of an amine solution in a gas processing plant ought to ...
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Modular design of smaller-scale GTL plants
Jan-2013
Modularisation is opening up opportunities for GTL plants to monetise small-scale natural gas deposits both on- and offshore
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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.
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Efficient membrane systems for natural gas dehydration
Sep-2018
Applications of membrane technology for reducing water content in natural gas to meet pipeline specifications.
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Strategies for gas treatment with adsorbents
Apr-2009
Advances in regenerable, solid-bed adsorption processes for natural gas dehydration and treating can improve selectivity and cut input energy costs
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Improved feedstocks for ethane crackers
Jul-2015
Cryogenic recovery technology enables wet shale gas to become a valuable source of liquids for petrochemicals production.
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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 ...
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Amine purification system to increase crude processing
Jul-2002
Bringing amine system contaminants down to low levels has reduced operational problems.Refiners experience increased throughput of sour crude by continuously ...
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Dividing wall column technology as a way of removing benzene from refinery gasoline streams
May-2011
The primary separation method in the petrochemical industry is distillation, or fractionation, which is an energy-intensive process.
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Reflux in a gas dehydration plant
Oct-2014
Gas dehydration by adsorbent processes may lead to the damaging regeneration reflux phenomenon during adsorbent regeneration
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SO2 breakthrough under the microscope
Jun-2017
Plant simulation reveals that any breakthrough of sulphur dioxide will cause havoc in the tail gas treating unit.
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Acid gas treatment for giant LNG plant (TIA)
Apr-2015
Prosernat, an engineering company and licensor of Total’s amine based technology portfolio, AdvAmine, has announced the successful start-up of a major ...
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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
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Claus waste heat boiler economics Part 1: process considerations
Feb-2019
The design of the waste heat boiler has a critical role to play in determining process operations, reliability and economic performance in the sulphur ...
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Technology selection for a natural gas plant
May-2019
Selecting equipment for a sulphur block requires balancing technical performance and costs, as well as local conditions and regulations.
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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.
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Direct oxidation sulphur recovery process for very lean acid gas applications
Jun-2016
Due to higher demand in desulphurisation and new environmental regulations, Companies need to find robust and efficient technologies while considering ...
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Preventing ingress of HCN into amine systems
Jul-2013
Simulation studies provide guidelines on how to avoid contamination of refinery amine systems by hydrogen cyanide
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Options for CO2 capture from SMR
Oct-2014
As CO2 capture from steam methane reforming becomes increasingly important, the economics of retrofit for recovery from process gas streams need to be ...
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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.
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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 ...
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SO2 breakthrough under the microscope
Jun-2017
Plant simulation reveals that any breakthrough of sulphur dioxide will cause havoc in the tail gas treating unit.
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Countering hydrate formation in an NGL recovery unit
May-2018
Process modelling can be used to validate data from the plant and identify the most effective approach to process optimisation.
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Mitigating overhead corrosion and reducing downstream costs
Jan-2022
A combination of onstream measurements, closed-loop control, and corrosion measurement enabled significant reductions in caustic addition rates and FCC ...
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Efficient and cost-effective amine purification process
Oct-2022
In refineries and gas processing complexes, H₂S and CO₂ present in the sour gases are removed using an aqueous solution of alkanolamine.
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Using reactivated hydroprocessing catalysts in TGTUs for financial and sustainability rewards (ERTC)
Nov-2022
For over 40 years, the global petroleum refining industry has successfully been reusing hydroprocessing catalysts through ex situ reactivation, to capitalise ...
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Reduce the carbon footprint of tail gas treating with reactivated catalysts
May-2023
Times have changed since catalytic processes were established.
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Optimise sulphur recovery plant emissions during unit upset conditions
Jul-2024
Knowledge, understanding, and awareness training are essential to maintain process instrumentation for optimal information gathering.
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The role of tail gas treating unit quench towers
Jun-2016
A quench tower cools gas entering a tail gas amine unit but also protects the amine against SO2 breakthrough.
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Controlling the dew point of natural gas
Jul-2015
Meeting water and hydrocarbon dew point specifications for natural gas without acid gas components
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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 ...
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Continuous removal of contaminants from amine solutions
Oct-2011
A continuous purification system overcomes amine degradation and the formation of corrosion-promoting heat stable amine salts
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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 ...
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Jan-2017
In 2016, global growth should fall to 3.1% before rising back up to 3.4% in 2017 according to IMF’s latest estimations. Long-term perspectives in industrialised ...
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Jul-2020
Expanding the capacity of sulphur recovery and tail gas units requires a thorough review of all plant systems.
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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.
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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 ...
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Efficient membrane systems for natural gas dehydration
Sep-2018
Applications of membrane technology for reducing water content in natural gas to meet pipeline specifications.
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Feb-2021
Responses to a question in the Q1 2021 issues Q&A feature
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Feb-2021
Responses to a question in the Q1 2021 issues Q&A Feature
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Start-up and shutdown issues in sulphur processing
Nov-2020
Knowing the limitations of the sulphur unit and what may occur during start-ups and shutdowns helps to prevent damage.
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Digitalisation for improved operations
Nov-2020
Increased availability of gas analysis equipment through digital transformation can raise levels of operational excellence.
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Making innovative catalysts to trigger a reaction in chemical, gas and refining processes
Aug-2020
When you are creating high-quality petrochemical end products, you must first trigger a reaction.
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Jul-2020
Expanding the capacity of sulphur recovery and tail gas units requires a thorough review of all plant systems.
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Efficiency factors in natural gas fired steam boilers
Jul-2020
A study to obtain maximum operating efficiency from a set of refinery steam boilers.
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Amine cleaning in gas treating
Jul-2020
Effective amine cleaning requires a three-step filtration system
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Contamination in gas compression: causes, effects, and solutions
Jul-2020
Identifying and quantifying contaminants including solids, dissolved species, and liquids is essential in the design of a more reliable compression sy ...
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Jul-2020
Associated gas can be an important component of future fuel supplies if new gathering pipelines and tighter regulations come into play.
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Gas analysis in petrochemical production
Jun-2020
Accurate gas analysis is critical in the production of PTA. Purified terephthalic acid (PTA) is, together with ethylene glycol, a key component in the ...
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May-2020
What do you do with the gas associated with crude oil production if there is no local processing capacity and no gas gathering network to collect and deliver ...
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Simulation of Claus unit performance
Nov-2019
Simulating a sulphur recovery unit using a fundamental approach enables the effects of process changes on a host of performance metrics to be reliably ...
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Gas analysis in a hot climate (TIA)
Nov-2019
Servomex has developed a customised combustion monitoring solution to meet the specific challenges faced by a global petrochemicals producer.
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Catalyst responds to cold flow challenges (TIA)
Nov-2019
A Greek refiner needed to expand exports of automotive diesel oil beyond the saturated market in Greece.
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Revamping an air separation unit
Nov-2019
Revamp of a high pressure column with structured packing, reducing operating costs and avoiding discharging finished products to atmosphere.
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Laser based analysis for thermal incinerators
Nov-2019
An analyser design based on a tunable diode laser aims for more reliable and cost-effective combustion measurement in sulphur removal operations
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Claus waste heat boiler economics Part 2: mechanical considerations
May-2019
The design of a cost effective waste heat boiler faces many, often opposing factors affecting the performance and reliability of the exchanger.
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Technology selection for a natural gas plant
May-2019
Selecting equipment for a sulphur block requires balancing technical performance and costs, as well as local conditions and regulations.
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Claus waste heat boiler economics Part 1: process considerations
Feb-2019
The design of the waste heat boiler has a critical role to play in determining process operations, reliability and economic performance in the sulphur ...
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Hydrocarbon Processing Gas Analysis Magazine - Issue 4 2019
Jan-2019
Accurate, reliable oxygen (O2) measurements are essential in many HP applications, delivering the readings that support process efficiency, safety and ...
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Feed conditioning technologies for gas processing plants
Jan-2019
Recent contactor developments remove soluble gas phase contaminants from the feed gas stream.
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Efficient membrane systems for natural gas dehydration
Sep-2018
Applications of membrane technology for reducing water content in natural gas to meet pipeline specifications.
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Hydrocarbon Processing Gas Analysis Magazine - Issue 3 2018
Jul-2018
Hydrocarbon processing (HP) is one of the most demanding industries in the world. To support customers in facing the challenges of this market, Servomex ...
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Minimise amine losses in gas and liquid treating
Jun-2018
Even with incomplete information, a systematic approach can be used to identify the source of amine losses and the action needed to reduce them.