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Optimising sweep gas flow in a flare header
Oct-2012
How to calculate the minimum flow of flare header sweep gas needed to maintain safe conditions
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Optimising pumparound reflux for zero-cost energy savings
Apr-2012
By increasing pumparound ratios in principal units, refinery engineers were able to recover energy for process heating and reduce stack emissions
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Crude oil vapour pressure testing
Jan-2012
Vapour pressure testing is an important safety check in the transport, storage and blending of crude oil
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Ambient conditions impact CO and NOx emissions: part II
Jul-2009
Effects of air temperature and humidity on burner NOx emissions are discussed, including considerations for factoring in these effects
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Detection of VOCs demands continuous innovation in calibration gases
Oct-2011
With an ever-increasing number of processing plants coming on stream worldwide to keep up with the burgeoning petrochemical industry, the focus on the ...
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The design temperature of flare systems
Apr-2017
A key objective when setting flare system design conditions is to maintain the integrity of the system during fire relief
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HCN emissions in fluid catalytic cracking
Apr-2013
Increased attention to refinery emissions of hydrogen cyanide requires detailed understanding of its formation and conversion in the FCC regenerator
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Jul-2011
UOP Callidus supplies and installs complete systems and various subsystem components for CO boilers and other FCC related ancillary equipment.
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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 ...
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Abatement of hydrogen sulphide in asphalt
Jan-2012
Risks of exposure at asphalt loading platforms require reliable monitoring of H2S levels and a programme of abatement using effective chemical scaveng ...
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Ambient conditions impact CO and NOx emissions: part I
Apr-2009
Changing ambient conditions can impact CO and NOx emissions without proper process adjustments. A wide range of operating conditions show how these emissions ...
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Process and energy analysis for cost savings and CO2 reduction
Jul-2010
Applying heat pinch technology and process know-how to maximise energy savings. In an increasingly carbon-conscious market, improving energy efficiency ...
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Wet scrubbing-based NOx control using LoTOx technology - first commercial FCC start-up
Sep-2007
Wet scrubbing based NOx control had been successfully applied to various industries for several years. Refineries, however, had not used such an approach ...
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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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FCC flue gas scrubber alternatives: part I
Jul-2009
The merits of combining additives and barrier filters as a cost-effective and highly efficient way of meeting SOx, NOx and particulate matter emissions ...
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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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Dynamics of operation for flare systems
Apr-2014
Detailed studies of problems with flaring performance led a refinery to define and implement a scheme for optimum flare performance
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Sulphur tail gas thermal oxidiser systems
Dec-2008
SRUs (sulphur recovery units) in refineries and gas plants remove sulphur compounds from sulphur containing fuel gases and from natural gas and crude oil ...
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Impact of low-sulphur bunkers on refineries
Mar-2009
Proposed IMO global sulphur specifications on bunker fuels market and options available to reduce fuel oil sulphur are reviewed
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New flare technology utilising low pressure steam
Sep-2009
The American Petroleum Institute defines a flare to be a “device or system used to safely dispose of relief fluids in an environmentally compliant manner ...
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Jan-2006
How much CO2 can a refinery release into the atmosphere? This is one of the many challenges facing refineries when it comes to reducing CO2 emmisions
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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 ...
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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 ...
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SMR integration with increased CO2 production
Feb-2020
Optimising the efficiency of a plant producing hydrogen by natural gas reforming reduces CO2 emissions and lowers fossil fuel consumption.
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Reducing hydrocarbons in SWS acid gas
Oct-2016
Measures to minimise the level of hydrocarbons in sour water and thereby protect the efficiency of the sulphur plant.
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The role of biofuels in the energy transition
Apr-2022
Overcoming the challenges of coprocessing renewables.
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Energy management and sustainability of the downstream industry
Jun-2022
Energy management must feature in any strategy in the downstream industry for both environmental impact and economic competitiveness.
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CCS from refinery emissions: CO2 purity must be analysed and controlled
Jun-2020
One of the most promising measures to decarbonise refinery operations is carbon capture and storage (CCS) from existing combustion processes, such as process ...
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IMO 2020 - Maritime CEMS and refinery changes
May-2020
For several years, the International Maritime Organisation (IMO) has stipulated low levels of sulphur emissions close to densely populated coastal areas, ...
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Environmental monitoring and management in the downstream oil and gas sector
Apr-2020
Keeping it clean, keeping it green. Ground water, rain water run-off and effluent. Contaminated soil replacement in spillage areas, excavated soil disposal ...
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Reducing NOx emissions from an FCC unit (TIA)
Aug-2018
Refinery processes account for a considerable share of the overall emissions of air pollutants in Europe. The Industrial Emissions Directive (IED) is the ...
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Refinery protection with gas detection
Apr-2020
Based on several recent M&A transaction valuations it is fair to say that the price tag of a medium-sized, medium-complexity refinery in Europe is in the ...
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Rejuvenated catalysts optimise refinery margins in high severity ULSD applications
Jun-2022
Rejuvenated catalysts compare well with fresh catalysts for performance in high pressure ULSD applications with added cost savings.
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Detection of VOCs demands continuous innovation in calibration gases
Oct-2011
With an ever-increasing number of processing plants coming on stream worldwide to keep up with the burgeoning petrochemical industry, the focus on the ...
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Using infrared monitors to achieve auxiliary flare pilot monitoring (TIA)
Jul-2018
Infrared flare pilot monitoring as a primary or secondary monitoring solution provides a pilot status signal when thermocouple failures occur and assures ...
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Achieving 95% direct CO2 reduction for hydrogen plants
Jun-2022
Decarbonisation solutions targeting existing refinery hydrogen plants enable refiners to achieve long-term CO2 capture while minimising site space requirements ...
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Reliability analysis to determine environmental emissions from units
Jul-2010
Reliability analysis determines the extent to which plant can meet emission limits and supports estimates of possible financial penalties for non-comp ...
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The business case for digitalisation in the refining sector
Apr-2020
When we use the word ‘digitalisation’ what do we really mean? Computers have been used for process control since Fortran 77 was developed in the late ...
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The hazards of fired heater flooding
Nov-2020
Heater flooding is a serious and potentially dangerous condition which must be dealt with properly and quickly.
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Evaluating hydrogen rich fuel gas firing
Mar-2021
A sudden shift to hydrogen rich fuel gas firing may not be prudent if a fired heater is not designed for it.
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Catalytic strategies to meet gasoline sulphur limits
Apr-2015
Stricter regulations reducing average gasoline sulphur content will require further reduction of FCC gasoline sulphur
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Waste recycling: an opportunity for refiners?
Aug-2020
The Circular Economy has been established as the number one priority in the European Green Deal and innovative recycling technologies are helping refiners ...
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Carbon dioxide emissions from fired heaters
Jun-2021
Fired heaters emit an estimated 400 to 500 million tons of carbon dioxide (CO2) every year. At least 73% of average refinery CO2 emissions come from c ...
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Navigating environmental complexities at pace
Nov-2022
Revamping existing hydrogen plants can provide a significant and lasting impact on reducing greenhouse gas emissions towards net zero.
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Process and energy analysis for cost savings and CO2 reduction
Jul-2010
Applying heat pinch technology and process know-how to maximise energy savings. In an increasingly carbon-conscious market, improving energy efficiency ...
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Optimising sweep gas flow in a flare header
Oct-2012
How to calculate the minimum flow of flare header sweep gas needed to maintain safe conditions
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Reducing hydrocarbons in SWS acid gas
Oct-2016
Measures to minimise the level of hydrocarbons in sour water and thereby protect the efficiency of the sulphur plant.
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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 ...
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The keys to successfully revamping a fired heater: how to maximise value
May-2022
Fired heaters are facing scrutiny because they contribute to the global emissions of carbon dioxide (CO₂) and nitrogen oxides (NOx). For refineries and ...
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Jan-2006
How much CO2 can a refinery release into the atmosphere? This is one of the many challenges facing refineries when it comes to reducing CO2 emmisions
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Sustainable aviation fuel: prepare for take-off!
Dec-2022
Despite the unprecedented drop in global air traffic due to the Covid-19 crisis in the past years, passenger numbers and cargo volumes are anticipated ...
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Solution for ammonia monitoring in CEMS and DeNOx applications
Nov-2022
The SERVOTOUGH Laser 3 Plus Environmental delivers Tunable Diode Laser sensing precision to ammonia monitoring applications in a low-maintenance, cost-effective ...
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Nov-2022
Chemical absorption is both technically and economically feasible for biogas upgrading under atmospheric conditions, thereby avoiding the need for com ...
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Navigating environmental complexities at pace
Nov-2022
Revamping existing hydrogen plants can provide a significant and lasting impact on reducing greenhouse gas emissions towards net zero.
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Safer and efficient combustion for fired heaters and boilers
Nov-2022
A technological approach to achieving efficiency improvements, CO2 emissions reduction, and parallel effects in NOx emissions control in a crude oil-fired ...
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Zeeco delivers robust duct burner system for PDH air heaters
Oct-2022
The propane dehydrogenation (PDH) process generates propylene from a propane feedstock through the catalytic conversion of propane into propylene and ...
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Stationing an operator at a pressure safety valve bypass
Aug-2022
Caution is recommended before stationing an operator at the PSV bypass for overpressure protection.
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Challenges with carbon disulphide removal in petrochemical naphtha
Aug-2022
Meeting new specifications for removing carbon disulphide in petrochemical naphtha using dividing wall column technology.
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Petrochemical complex digitalisation for greater efficiency and emissions reduction
Aug-2022
Concepts of automation and data exchange in manufacturing have propelled both upstream and downstream sectors into the 4.0 world, gradually extending to ...
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Achieving 95% direct CO2 reduction for hydrogen plants
Jun-2022
Decarbonisation solutions targeting existing refinery hydrogen plants enable refiners to achieve long-term CO2 capture while minimising site space requirements ...
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Energy management and sustainability of the downstream industry
Jun-2022
Energy management must feature in any strategy in the downstream industry for both environmental impact and economic competitiveness.
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Meeting future Indian gasoline market demands
Jun-2022
The role Indian oil refiners can take in meeting gasoline demand with production of clean burning components.
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Rejuvenated catalysts optimise refinery margins in high severity ULSD applications
Jun-2022
Rejuvenated catalysts compare well with fresh catalysts for performance in high pressure ULSD applications with added cost savings.
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Sustainability rankings matter
Jun-2022
From the workers on the production floor to corporate management pursuing higher returns, the common bond in the 100+ year old refining business is cultivation ...
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May-2022
Fired heaters, also called furnaces, use the heat from combustion of hydrocarbons to increase the temperature of a fluid. Direct-fired heaters are common ...
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The keys to successfully revamping a fired heater: how to maximise value
May-2022
Fired heaters are facing scrutiny because they contribute to the global emissions of carbon dioxide (CO₂) and nitrogen oxides (NOx). For refineries and ...
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Carbon dioxide emissions from fired heaters
Apr-2022
Fired heaters emit an estimated 400 to 500 million tons of carbon dioxide (CO2) every year. At least 73% of average refinery CO2 emissions come from combustion ...
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The cost of hydrogen production
Apr-2022
Selecting routes to hydrogen production calls for a balance of environmental impact and cost.
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The role of biofuels in the energy transition
Apr-2022
Overcoming the challenges of coprocessing renewables.
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Hydrogen production with lower carbon emissions
Apr-2022
Evaluating and comparing the potential for carbon incentives in various hydrogen plant configurations.
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Mar-2022
As North Sea oil production declines, it is also getting heavier and more sour. How is the quality shift is playing out in global trade flows?
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Mar-2022
Energy transition benchmarks have surged in 2021 and prices are expected to remain highly volatile. Transparency is key in this evolving market.
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Optimising processes and operations for CO2 emissions reduction
Feb-2022
A proactive approach can achieve immediate CO2 emissions reduction with almost no investments while reducing operating costs.
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Turquoise hydrogen production by methane pyrolysis
Jan-2022
Technologies for methane pyrolysis are at different levels of maturity up to early-stage commercial operations.
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Oxygen enrichment in the petrochemicals industry
Jan-2022
Adding oxygen enrichment to oxidation reactions in the petrochemicals industry offers a reduced carbon footprint, productivity benefits, and cost effi ...