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How to evaluate, select, and work with a precious metals refiner.

Precious metals are used in many processes and products for facilitating and/or speeding chemical reactions, pollution abatement, chemical/pharmaceutical production, electroplating, automotive catalytic reactors, jewelry, film, and hundreds more. Escalating values of most precious metals ...


Centric butterfly valve for modulating service

The valves are specifically designed to handle flue- and/or sulfur- containing gases. The valve comes with gas seal - / flushing connection in regular execution. The special execution of type EHM offers a refractory lining for highest temperatures. Flange connections and face to face dimensions ...


Cyanide corrosion causes costly upsets

Refinery cyanides cause considerable corrosion, hydrogen blistering and waste water treatment problems. The majority of refinery cyanides are formed in the reactor of fluid catalytic cracking (FCC) units. All of the gas from the reactor, including the cyanide, is carried overhead into ...


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 ...


Callidus ultra-blue burner (CUBL)

The UOP Callidus Ultra-Blue (CUBL) is rapidly becoming the preferred Ultra-low NOx process burner. An innovative design has been employed which increases the burner’s stability and allows for optimal performance on typical refinery fuel gases and 100% natural gas. The new design ...


STRATCO® alkylation technology - solutions for net effluent and propane treating

Partnerships for net effluent and propane treating using liquid-liquid separation and static mixing process technologies. Sulfuric acid alkylation unit treating system performance is critical for effective fractionation and unit reliability. Proper treating results in optimum fractionation ...


Sulphur recovery solutions

Our experts at Fluor are experienced in all commercially proven sulphur technologies and have the knowledge to devise optimum solutions that cost-effectively satisfy our clients’ environmental requirements. Fluor experience includes: - More than 100 Claus-type sulphur recovery ...


IsoTherming® technology for mild hydrocracking

Maximise distillate production and improve fuel quality, Growing global demand for transportation fuel continues to drive refiners toward operations that maximize hydroprocessing capacity and capability either through unit debottlenecks or new unit construction. More stringent environmental ...


MECS® Sulfox™ process

The SULFOX™ process is based on the thermal and catalytic conversion of sulphur-bearing compounds into sulphuric acid. Depending on the feed gas conditions, customised plant types are offered. For low concentrations, the feed gas is preheated to the required catalyst inlet temperature ...


Suspension crystallization technology

Suspension crystallization technology completes Sulzer‘s existing portfolio of melt crystallization technology consisting of falling film and static crystallization. Based upon careful evaluation of the technologies, our clients can be sure to receive the ideal process for their ...


Synthesis, ammonia and methanol plants

Linde as a leading supplier of syngas technology designs, supplies and constructs entire synthesis gas plants for the production of carbon monoxide, hydrogen and mixtures of these gases as well as ammonia and methanol plants.Processes: Providing the whole range of processes Linde can select ...


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.


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 ...


Oil sands crude – profits and problems?

Canadian bitumen production currently runs about 1 MMbpd, with some being sold as Synbit and Dilbit. Over the next 10-12 years output is expected to increase to 3.5 MMbpd and more refiners will begin investing to process it and come to depend on the Synbit and Dilbit for a significant ...


Tail-gas treating catalysts

Refineries and gas plants worldwide have reported lower operating costs, extended cycle lengths and reduced pressure drops as a result of installing Criterion’s state-of-the-art catalysts in their Claus tail-gas treating units. Well-operated Claus tail-gas units are increasingly ...


Residue upgrading using ebullated-bed hydrocracking

Dealing more effectively with the bottom of the barrel is high on the refining industry’s agenda for the following reasons. Crude oil feedstocks are becoming heavier, which is making lighter crudes more expensive. Environmental pressures are undermining the market for heavy fuel ...


Is pinch enough?

Back in the late 1970’s and early 1980’s when fuel gas prices were high, energy utilization assumed major importance. A new method of calculating heat exchanger networks was developed. It was called Pinch Technology. Today pinch has been rediscovered by engineers who have access ...


Reaction zone monitoring system for the STRATCO® CONTACTOR™ reactor

The RZMS for the DuPont™ STRATCO® Contactor™ reactor allows operators to measure sulfuric acid to hydrocarbon ratio and sulfuric acid strength in the Contactor™ reactor more effectively than a typical ratio glass and acid sampling system assembly. The DuPont RZMS ...


Aluminium plate fin heat exchangers

Vacuum brazed plate-fin heat exchangers are key components in many process plants. They can be advantageously used instead of other heat exchanger types, like tubular heat ex-changers. Especially with regard to compactness the plate-fin heat exchangers are one of the most favourable possibilities ...


PROGNOST®-NT

PROGNOST Systems started monitoring reciprocating compressors more than 20 years ago. The first commercial installation was realized in 1992. Today, PROGNOST®-NT is monitoring more than 600 rotating machines all over the world – what makes us the unquestioned marketleader for ...


Recovering platinum/rhenium from spent hydrocarbon processing catalysts

Now, practical, cost-effective recovery of platinum/ rhenium reforming catalysts, regardless of solubility– with maximum returns. Platinum / rhenium catalysts are widely used in the processing of hydrocarbon products. As rhenium values have increased, recovery techniques from spent ...


Sulfur recovery - claus process

Applications: The Claus process has been developed to recover elemental sulfur from H2S containing gases originating from gas treating plants such as alkanolamine units or physical solvent plants. Modern Claus plants should be able to process H2S/NH3 containing gases as well, originating ...


MINIVAP VP Vision - next generation vapor pressure testing

MINIVAP VP Vision is a highly versatile portable vapor pressure tester that features best-in-class precision and a pressure range of 0-2000 kPa. It is the first analyzer that demonstrates excellence in engineering by earning certificates for robustness and durability. Based on Grabner´s ...


Linde HiQ nitrogen

HiQ Nitrogen is high purity gas for laboratories and process control instrumentation. Nitrogen is widely used as GC carrier gas, purge gas for FTIR and nebuliser gas for liquid chromatography.


Olgone℠ technology and services

A high-performance, highly-stable catalyst is at the heart of the Olgone℠ process. This technology is designed to extend cycles of existing aromatic stream treaters, thus reducing the amount of solid waste that is generated. The outstanding performance of the Olgone process can lead ...


Tower field service, maintenance, revamps and installation

Worldwide maintenance and installation services. Since 1971, Tower Field Service (TFS) has been a tower specialist performing tray and packing installation, tower maintenance, and plant turnaround projects. Years of successful tower and vessel experience assures our customers of a partner ...


Clora - chlorine analysis in liquid hydrocarbons, aqueous solutions and catalyst

The Clora Benchtop analyzer is a compact Chlorine analyzer, designed for use with liquid hydrocarbons such as aromatics, distillates, heavy fuels and crude oils, as well as aqueous solutions. The analyzer delivers unprecedented accuracy and precision for petroleum and petrochemical applications ...


MECS® HexPro™ Ferrules

For waste heat boilers and heat exchangers in sulphuric acid plants. Precast, precision ceramic ferrules for severe temperature and heat-cycling conditions. Fast, Simple installation. MECS® HexPro™ Ferrules are pre-engineered for each installation and come properly sized, accurately ...


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 ...


Hydrogen-starved unit struggles to make ULSD

This is a 36 bar (525 psig) unit that was converted to ulsd service. The first two cycles used Albemarle KF-757 and lasted 6 months compared to one year expected cycle life. They switched to Topsoe catalyst for the next cycle and saw no improvement. Two suppliers recommended replacing ...


Cycle life estimates for catalyst reload vary from 7 to 44 months

It is very difficult to accurately predict the cycle life for a hydroprocessing unit. This is especially true with today’s highly variable feed slates. Despite this fact, catalyst suppliers are always asked to estimate cycle life when bidding for a catalyst reload, and they comply ...


Petrochemical processing

About 80% of all petrochemicals are derived from products of ethylene plants, which are the heart of petrochemical complexes. Today’s modern ethylene plants are a complex network of more than 300 individual units, for thermal cracking, cracked gas compression and physical scrubbing, ...


Operating a fouled process unit? What is it costing you?

ITW Online Cleaning Technology, applied proactively during a run, restores unit performance to near start of run conditions in as low as 24 hours oil-to-oil without the need for opening equipment. By utilizing ITW’s patented asphaltene stabilization and/or polymer modification technologies, ...


UOP mercury removal for natural gas production

Mercury, when present in gas processing facilities, can be a primary cause of corrosion, equipment failure and downstream catalyst deactivation. For more than 60 years UOP has continuously been a pioneer in the adsorbent industry, from inventing the first commercially produced synthetic ...


NEKTOR™ 4G

NEKTOR™4G is the latest generation of Grace’s marketleading low coke NEKTOR™ for residue FCC feed applications. NEKTOR™ 4G is manufactured using the Grace EnhanceR™ Technology Platform, and is an extension of the NEKTOR™ catalyst family, which is the ...


GTC Technology - engineered to innovate

GTC Technology is a global licensor of process technologies and mass transfer solutions offering innovative, custom solutions for the refining, chemical, petrochemical and gas processing industries. Refining, petrochemical and chemical companies around the world rely on our advanced ...


Opportunity crudes - chemical tools solve intractable processing problems

A 100,000 BPD refinery originally designed for lighter crudes struggled with serious desalter performance problems and unacceptably low throughput when processing blends of relatively heavy, acidic feedstocks, including Dar, Ratawi, Eocene, Duri, Stybarrow and Enfield. When a costly combination ...


Improve contaminant metals flushing with TITAN™

The escalating price of rare earth in fluid cracking catalyst sparked increased demand from refiners for equilibrium catalyst (Ecat) as a means to control expenses. During this same period, the available supply of high quality, low metals Ecat had decreased. In response to the shrinking ...


Dynawave® reverse jet scrubber

How a reverse jet wet gas scrubber works. The DynaWave® Reverse Jet Scrubber is an open duct in which scrubbing liquid is injected, through a non-restrictive reverse jet nozzle, counter current to the dirty inlet gas. Liquid collides with down-coming gas to create the “Froth ...


Sulfuric acid alkylation technology and services

Upgrading light olefins and isobutane to alkylate offers refiners an opportunity to increase their crude barrel value. Alkylate is a superior gasoline blendstock due to its high octane and low vapor pressure. ExxonMobil’s proven Sulfuric Acid Alkylation technology reacts propylene, ...