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Refinery weighs proposals for 10 ppm diesel

This refinery wanted to make 10 ppm diesel in blocked out commercial trials as preparation for upcoming diesel specifications. Some catalyst vendors said the refinery would need to double the reactor volume to make 10ppm. Other vendors said they had a new drop-in solution, a catalyst that ...


Isomalk-4 C7 paraffin isomerization technology

Isomalk-4 is a low-temperature isomerization technology for processing C7 paraffins contained in wide-range naphtha streams. In a conventional refinery configuration, C7 paraffins are distributed to the C5-C6 isomerization unit and the reformer. These components have a high X-factor that ...


Squeeze more value out of your FCC gasoline

As sulfur legislations tighten, it becomes more difficult for refiners to meet the specifications from their FCC gasoline post-treatment units. Particularly the octane number poses challenges, since some olefins are simultaneously being hydrogenated. The consequent loss of octane often ...


Axens hydrocracking

Axens is an established name in hydrocracking licensing with more than 40 years’ experience in all types of hydrocracking processes. We have a large portfolio of hydroconversion processes, including fixed and ebullated-bed technologies. Our commercial units operate at low, medium ...


Increase capacity in your column with a tray design revamp

When trying to increase column capacity beyond design rates, an operator may notice loss in separation efficiency or high pressure drop, indicative of either vapor phase or liquid phase hydraulic limitations. An optimized tray design can eliminate hydraulic constraints to provide better ...


GT-Styrene® a cost-effective process for recovering styrene

In an effort to improve the production economics of naphtha cracking plants, operators must consider the recovery of valuable components from pyrolysis gasoline (pygas) over blending into the gasoline. Styrene is one such component that has far more value as a petrochemical product than ...


Selecting the best solvent for gas treating

Selecting the best amine/solvent for gas treating is not a trivial task. There are a number of amines available to remove contaminants such as CO2, H2 S and organic sulfur compounds from sour gas streams. The most commonly used amines are monoethanolamine (MEA), diethanolamine (DEA), and ...


Transforming ULSD economics

The ability to produce diesel containing less than 10-ppm sulphur is no longer a differentiator in most  markets. Progressive refiners are pushing to make  ultra-low-sulphur diesel (ULSD) with improved fuel  properties from tougher feedstocks and often within  tight ...


Gas treating (natural gas/syngas/lng) - Sulfinol process

Applications: The Sulfinol process is a regenerative process developed to remove H2S, CO2, COS and mercaptans from gases. The sulfur compounds in the product gas can be removed to low ppm levels. This process has been developed specifically for treating large quantities of gas, such as ...


Laby® Compressor

The Laby® Compressor represents unbeatable reliability and availability, thanks to its unique labyrinth sealing system on piston and piston rod gland that allows oil-free and contact-free compression. The result is an extended MTBO (meantime between overhaul), that has a positive impact ...


Separation technology

Sulzer Chemtech produces a wide array of tower internals. With this broad spectrum of custom-designed fractionation trays, random and structured packing we can meet any process requirement in any size tower throughout the chemical, refining, petrochemical, and gas processing industries. ...


STRATCO® alkylation technology

A full line global leader for alkylation technology and services. The STRATCO® Alkylation Technology is the world leader with over 90 units licensed with more than 800,000 BPSD (31,400 kmta) of installed capacity. DuPont is committed to alkylation research and is an expert in all aspects ...


Improved hydrocracking

leading-edge Catalysts coupled with outstanding Technical service. Criterion Catalysts & Technologies (Criterion) offers a broad range of zeolite catalysts to satisfy a variety of refinery hydrocracking objectives. We also provide the feed pretreatment catalysts that are vital to preserving ...


Why produce diesel from the vacuum unit?

Look ahead five years. The economy is likely to keep tightening and the rush to control pollution will inevitably be accompanied by demands for greater energy conservation. Consequence? A growing market for diesel which yields more energy per unit volume. Yet many continue to believe that ...


Ariel CNG compressors

Ariel compressors are operating in Compressed Natural Gas (CNG) stations around the globe. In over 100 countries, Ariel has built a reputation for safe, rugged and longlasting equipment. Utilized in CNG services providing 125 to 1,250+ scfm (200 to 2,000+ nm/h), Ariel compressors are paired ...


Maximize PX production/reduce losses/debottleneck your facility

Maximize PX production/reduce losses / debottleneck your facility. The XyMax℠-2 Process is the latest generation of vapor phase isomerization technology and the LPI Process is the latest generation of liquid phase isomerization technology. These isomerization processes are also licensed ...


Celebrating a century of innovation in the oil & gas industry

UOP celebrates its 100th year in business in 2014, and in many ways our history is analogous to the development of the world’s oil and gas industry. We have accomplished many great things during the last century. For that, we owe a tremendous debt of gratitude to our customers, who ...


Sulfur recovery - EUROCLAUS® process

Applications: The EUROCLAUS® process recovers elemental sulfur from H2S-containing gases originating from gas treating and sour water stripper plants. The EUROCLAUS® process is an improvement of the SUPERCLAUS® process. Yields from 99.3 up to 99.5% overall sulfur recovery, ...


GT-DWC dividing wall column design saves cost and energy

GTC Technology is widely known for innovation, technical knowledge and commitment to excellence through proprietary technologies and customized solutions. Our process equipment technology offerings include the dividing wall column (DWC), which separates a multi-component feed into three ...


Amine headaches a pain

MPR Services understands that amine engineers face a never ending group of challenges in ensuring their systems perform as designed. Since 1989, MPR Services has been working with amine engineers in addressing these challenges through our scientifically, developed technologies. In 1990, ...


Haldor Topsoe refinery walk-through

Exploring the hidden potential of your refinery. Refinery processes are complex and filled with potential sources of inefficiency. A Topsoe Refinery Walk-Through will identify the hidden opportunities and help you improve the refinery profitability, flexibility, safety, and reliability. Within ...


High aromatic/nitrogen feeds cause rapid initial deactivation in pilot plants

A feed sent to C Solutions in Thessaloniki, Greece caused catalyst to deactivate very rapidly when introduced on day one of a pilot plant run.  Analysis showed the feed to be full of high boiling aromatics and high in nitrogen. The pilot plant run was restarted with the usual ...


ACHIEVE® FCC Catalysts

Grace is expanding its portfolio of catalysts to address the current market challenges, in particular to lower slurry yield to take advantage of distillate crack spreads as well as to address the trend towards increased residue and opportunity crude processing. Grace has developed new ...


CORAL™ SMR

Improving the fluidized catalytic cracking (FCC) profit potential of heavy feeds. SMR technology features. The need to process heavy feeds in FCC units continues to grow. Albemarle’s innovative SMR catalyst technology addresses the three fundamentals of heavy feed cracking: coke ...


CHM mixing valve for hot gases

CHM valves are designed to mix hot gas of a furnace with cold gas down to a defined temperature. A refractory lining makes the valve suitable for applications where high temperatures may occur. Applications: - Refining, desulphurization - for all applications where gases have to be ...


Customized grading solutions for your feedstock

Match your catalyst grading to your feedstock for minimum pressure drop build-up and maximum demetallization. As today’s opportunity crudes and heavier feedstocks become more economically viable, the oil fractions you refine are posing new challenges. Creating the optimal grading ...


CLEANOx FCC additive

CLEANOx® Environmental Fluid Catalytic Cracking (FCC) additive for reduced NOx emissions BASF proudly introduces the premier FCC additive for Nox emission reduction, CLEANOx, designed to meet the evertightening air quality limits on FCC regenerator off-gas emissions. Premium Technology CLEANOx ...


LO-CAT® process as a claus tailgas cleanup unit

In 1997, Western Gas Resources selected the LO-CAT® process to treat the amine acid gas generated in their Pinnacle Gas Processing plant located in Tennessee Colony, TX. When the facility’s processing demand exceeded the LO-CAT capacity (2 LTPD of sulfur), Western Gas installed ...


Rosemount® 3051S series of instrumentation

Achieve unparalleled productivity with industry-leading pressure, flow and level solutions. You face more than your share of obstacles when it comes to optimizing your operations. Your job is a balancing act. Downtime and off-spec product reduce your throughput, while challenges like ...


NAPFINING™ Naphthenic acid removal

NAPFINING™ technologies were first licensed in 1977 and to date Merichem has granted 78 unit operating licenses world-wide. The non-dispersive FIBER FILM® Contactor achieves reduced capital expenditure and less plant space requirements compared to most treating alternatives, ...


Sulzer technologies for biofuel applications

In recent years, there have been many advancements in the development of biofuels for the global transportation markets. First generation fuel ethanol plants performed fermentation of grains into high purity ethanol. Further R&D led to the development of biofuels from renewable feed ...


Tracerco Diagnostics™

Providing real time measurement technologies to assist with critical decision making. Tracerco Scanning Services TRU-SCAN® Application. Do you have problems with the operation of your stripper/absorber or fractionation tower? Is this limiting production? Do you want to reduce your ...


When reliable operation and easy inspection is key

Topsoe’s outlet collector is easy to install and inspect and help ensure even flow distribution in the bottom of the reactor. It is important to have the best catalyst to ensure optimal performance of your hydroprocessing unit. However, it is equally important to have the best reactor ...


Faster lead time for emergency catalyst delivery

An incident caused irreversible poisoning of a catalyst bed in a hydroprocessing unit. The incentive for immediate catalyst replacement was $400,000 per month, and the quoted lead time was unacceptably long.  The refiner used our network to identify two feasible alternatives for faster ...


CORAL™ FCC catalysts

Improving residue FCC unit performance through enhanced catalyst accessibility. Mass transfer limitations. Many FCC units experience losses in conversion and bottoms selectivity as a result of mass-transfer limitations. These are due to the problems that high-molecular-weight, sterically ...


Meeting tier 3 requirements with precision and ease

Cutting Through the Noise. The Tier 3 rule, part of a comprehensive approach to reducing the impacts of motor vehicles on air quality and public health, was signed with the expectation of a 2017 implementation. The new regulations will ratchet the level down from 30 ppm to 10 ppm for sulfur. ...


FCC pretreatment catalysts

High-performance catalyst systems tailored to meet refiners’ operating objectives. Refiners worldwide are reporting significantly enhanced refinery economics after working with Criterion Catalysts & Technologies to optimise the performance of their fluidised catalytic cracking ...


Persisto - unique materials specifically developed for reciprocating compressors

A variety of high-quality plastic compounds is now available for use as sealing and rider rings in reciprocating compressors. But in many cases, these materials have not been developed specifically for use in a reciprocating compressor. For reasons of cost effectiveness, they are optimized ...


Designing deepcut vacuum units that really work

Every barrel of vacuum gas oil (VGO) you can save from being reduced to coke in the delayed coker unit is a barrel more that can go to the FCCU. That’s a good reason to raise HVGO cutpoint. But how to do it? Some people think the job can be done just by running computer models in ...


Approaches to simulating distillation and absorption

Distillation of spirits has been practiced since the time of the ancient Greeks who ascribed sacred powers to the liquids that resulted from refining wine using stills such as the one shown in Figure 1. Dionysian cults incorporated these early spirits into religious rituals. Distillation ...