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Turnaround services and replacement equipment for mass transfer components

Sulzer Chemtech has over 50 years of experience in providing outstanding mass transfer technology, process engineering and equipment. Our global coverage allows us to bring our services to you, day or night, in almost every country of the world. Our employees are ready with the conviction, ...


Process technology

Sulzer Chemtech, a member of the Sulzer Corporation, with headquarters in Winterthur, Switzerland, is active in the field of process engineering, employing 3'000 persons worldwide. Sulzer Chemtech is represented in all important industrial countries setting standards in the fields of mass ...


Catalyst passivation services

Cat Tech International uses CATnapTM, an exclusive technique for quick and safe unloading of catalysts from petroleum processing units. The CATnap process allows the spent catalyst to be removed in an air atmosphere versus purging the reactor with nitrogen and performing inert entry. Shorter ...


Improve separation in your column by increasing the number of trays

Refiners often face revamp challenges when trying to improve separation within an existing column. Improving diesel recovery from gas oil, splitting benzene precursors from naphtha reformer charge, or simply minimizing product overlaps after capacity creep can all be difficult when limited ...


Proper design of mass transfer internals in the FCC flue gas scrubber can help reduce PM emissions

The EPA’s New Source Performance Standards (40 C.F.R. §60.100-1-0, subpart Ja) regulates refinery particulate emissions, including the discharge of catalyst fines from the FCCU flue gas scrubber stack. Because refiners have traditionally correlated particulate matter (PM) emissions ...


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 ...


Separator technology reduces refinery operating costs and downtime

A US refining company contacted us to discuss a separation problem in the feed to an alkylation process. Caustic entrainment from their selective hydrogenation unit was poisoning the hydrofluoric acid catalyst in the alkylation unit. The continuous phase feed to the alkylation unit consisted ...


Opportunity or Annoyance?

Price differentials between conventional and opportunity crudes compel refiners to process increasing percentages of lower valued opportunity crude. However, as many refiners have learned the hard way, opportunity crudes are tied to unique processing challenges. Furthermore, existing crude ...


Get the best from your compressor

How’s your compressor running? How should it run? How could it run? The reliability, efficiency, and environmental soundness of compressors dictate the cost-effectiveness and dependability of entire plants. As a specialist in equipping reciprocating compressors with the latest performance-determining ...


Low and zero rare-earth FCC catalysts

Rare-earth metals are an important component of FCC catalysts, as well as being a key raw material for many strategic industries with applications ranging from military devices to electronic components. In addition, they are essential constituents in newly evolving green technologies, ...


Linde HiQ synthetic air

HiQ Synthetic air is high purity air for laboratories and process control instrumentation. Use with HiQ Hydrogen for the perfect GC-FID fuel gas mixture.  Also ideal as a zero gas during instrument setup and calibration.


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 ...


Tray design features that reduce turnaround maintenance time

Column shutdowns can be costly. Production is halted and maintenance expenses accumulate without any offsetting revenue. Maintenance crews need to isolate, open, inspect, modify, repair, and close columns, all under pressure to complete work as expeditiously as possible. Minimization of ...


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 ...


FCC – leading-edge technology for enhanced reliability and environmental performance

Refiners are under immense pressure to improve the performance of their fluidised catalytic cracking (FCC) units. At the same time, there are changing market demands and environmental issues to consider. Shell Global Solutions helps by selecting technology from an extensive line-up to ...


Linde REDLINE specialty equipment

As a major part of our HiQ products, REDLINE equipment is the hardware of choice for your specialty gas supply system. Why? Because with REDLINE gas panels, points of use and cylinder regulators, you’re not only buying the right equipment, you’re benefiting as well from our ...


NADIUS™ 4G

NADIUS™ 4G is the latest generation of Grace’s market-leading NADIUS™ catalyst family for hydrotreated and straight-run VGO feed applications. NADIUS™ 4G, an extension of the NADIUS™ catalyst family, is a component of the EnhanceR™ technology platform, ...


Triple eccentric butterfly valve

Metal seated Butterfly Valve with triple eccentric offset Proven system for superior applications: Oxygen, gases, exhaust gases, fluids as well as abrasive and corrosive media.


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 ...


BCMT™-500 and BCMT-500-LRT

Too often profitability is lost because refiners lack adequate accessibility and bottoms cracking power in their catalyst. Albemarle has developed BCMT-500 additive, which features high accessibility and provides powerful functional bottoms conversion sites. BCMT‑500 delivers many pre-cracking ...


GT-BTX PluS® meeting the world’s clean gasoline needs

As the worldwide refining industry becomes more intricately linked, the specifications for fuels are converging around certain common aspects. Chief among these are the environmental limits on benzene and sulfur content in motor gasoline. GTC Technology’s GT-BTX PluS provides an ...


AdvaSulf™ your sulphur technology

AdvaSulf™ is a global technological toolbox covering all SRU steps and options, and including (but not limited to) proprietary know-how and processes with an impressive track record of industrial experiences.


KDSOx™

Cost-effective SOx reduction solution for full-combustion FCC units. Reducing SOx emissions has become increasingly challenging in many parts of the world. Depending on the location, SOx emission limits are defined at the refinery level as bubble limits; at the individual emissions source; ...


Passion for engineering

Partnering with our customers. Industrial process plants are among the most complex structures that people have ever built. Worldwide, there are only a handful of companies with the detailed know-how needed to successfully deliver turnkey industrial plants. Linde Engineering is a pioneer ...


Oxygen generation by vacuum pressure swing adsorption

Fast, cost-effective oxygen on demand. Demand for on-site oxygen generation solutions continues to rise across a number of industries. Vacuum Pressure Swing Adsorption (VPSA) technology is an increasingly popular way of meeting this demand. VPSA involves separating air into its constituent ...


SENTRY Guard Portfolio

Protect your catalyst. Protect your bottom line. Opportunity feed sources have extended the range of poisons that hydroprocessing unit operators must face. Many of the contaminants can cause severe catalyst poisoning, even at very low concentrations. Catalyst contamination negatively impacts ...


GO-ULTRA™ catalysts

Get more from your gas oil feed streams. Facing today’s economic challenges, refiners worldwide are seeking to restore margins and increase profits by maximizing yields from their operations. For the gas oil market, Albemarle’s research and development team has created a breakthrough ...


Isomalk-3 - A robust n-C4 isomerization processs

A Robust n-C4 Isomerization Process. Isomalk-3 is a low-temperature isomerization technology for processing n-butane into isobutane, its branched isomer. Isobutane is an important intermediate required for the production of isobutylene or alkylate. Isobutylene can be used to produce MTBE ...


About Axens

Axens is an international provider of process licensing technologies, catalysts, adsorbents and services, with a global reputation for basic engineering design excellence. The main scope of Axens' business is focused on the conversion of oil, coal, natural gas and biomass to clean fuels ...


Channel baffles: improving efficiency on trays with low vapor loading

Sour water strippers, wastewater benzene strippers, or any other column that operates with low vapor rates often have active areas that are easily oversized for the actual operating vapor traffic. For optimum tray efficiency, good contacting of the liquid flowing across the tray deck with ...


High performance packed tower solutions

Engineered to Innovate: GTC Technology is a global licensor of process technologies and mass transfer solutions with the core mission of creating value for our clients. Refining, petrochemical and chemical companies around the world rely on our advanced technology to optimize production ...


PROGNOST customer support

Lifecycle Partnership. When PROGNOST Systems project managers finalize the installation of your new system, it doesn’t mean you are on your own. Our Customer Support team stands by in the critical moments of initial system and machinery start-up. Our ultimate goal is for all PROGNOST® ...


Linde HiQ enhanced shelf life with HiQ 60 specialty gases

Specialty gases supplied with a HiQ 60 label will have flat line stability for 60 months from manufactured date. Linde will replace any HiQ 60 product free of charge if found to be outside the stated certified tolerance variance at time of use, and is within the stated shelf life peri ...


Running dirty amine to save costs

Some plants have saved money in the short term by running dirty amine/glycol systems. The result of this obfuscation strategy often is problematic operations. Problems resulting from corrosion, foaming and loss of acid gas absorption arise from processing with contaminated amine/glycol. ...


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 ...


Shell sulphur technology platform

Consultancy and technologies to help take control of the sulphur paradox. The reduced availability of light and sweet crudes, and the consequential increase in the cost of such feedstocks, makes it more and more attractive for refiners to take in heavier and sourer feeds. However, there ...


DeltaValve coke drum top unheading valve

The DeltaValve top unheading valve is available in 24", 30", and 36" sizes. It is a completely enclosed system permanently connected to the top  ange of a coke drum. With this valve, top drum unheading can be safely accomplished with the push of a single button from ...


SPREX® & SPREX®CO2: bulk acid gas removal from highly sour gas

Process Principle: Bulk H2S or CO2 removal from highly sour gas by high pressure cryogenic distillation - Conventional distillation column with no hydrates or solid products formation - Separated acid gases are recovered liquid at high pressure and easily pumped back into reservoir - Final ...


UOP Callidus installation services

Installation Services: UOP Callidus offers turnkey installation and aftermarket support for our products around the world. Our goal is to provide first class service from professionals who have years of experience with our equipment and understand how it should be installed and operated ...


Structured grid packing

Structured grid packings have traditionally been used for high severity services. Grids have a high open area, relatively low surface area, and a robust construction to withstand process upsets and to resist fouling. There are two main types of grids, categorized by structure - conventional ...