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  • About Axens

    Axens is a group providing a complete range of solutions for the conversion of oil and biomass to cleaner fuels, the production and purification of major petrochemical intermediates as well as all of natural gas' treatment and conversion options. The offer includes technologies, equipment, furnaces, modular units, catalysts, adsorbents and related services. Axens is ideally positioned to cover the entire value chain, from feasibility study to unit start-up and follow-up throughout ...

  • Axens overview

    Axens is a group providing a complete range of solutions for the conversion of oil and biomass to cleaner fuels, the production and purification of major petrochemical intermediates as well as all of natural gas' treatment and conversion options. The offer includes technologies, equipment, furnaces, modular units, catalysts, adsorbents and related services. Axens is ideally positioned to cover the entire value chain, from feasibility study to unit start-up and follow-up ...

  • Brink® mist eliminators

    Brink® solutions deliver the highest efficiencies, lowest pressure drop, and longest effective life available. From the invention of Brink® Fiber Bed Mist Eliminators in 1958, MECS® has set the standard for offering the widest array of designs and materials in mist eliminators worldwide. Today, we meet the needs of global clients in a broad range of industries, from sulfuric acid to asphalt manufacturing, plastic extrusion, metalworking, and many ...

  • Chemical process industry

    The chemical process industry has always been the driving force for Sulzer Chemtech’s innovations. In the early 1960’s, the stringent requirements for the purification of heat-sensitive fragrances led to the development of the Sulzer Packing BX, which set a new standard for vacuum distillation and led to the development of many other unique products. For classical column operations like distillation, absorption and extraction, and for alternatives such as crystallization, ...

  • Comparing physical solvents for acid gas removal

    Physical solvents such as DEPG, NMP, Methanol, and Propylene Carbonate are often used to treat sour gas. These physical solvents differ from chemical solvents such as ethanolamines and hot potassium carbonate in a number of ways. The regeneration of chemical solvents is achieved by the application of heat whereas physical solvents can often be stripped of impurities by simply reducing the pressure. Physical solvents tend to be favored over chemical solvents when the concentration ...

  • 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 the engineering office, relying on vendors and their data sheets for a clue to true equipment performance. Experience, however, shows it just ain't so. For either a grass roots project or a revamp, ...

  • 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 Zone,” a region of extreme turbulence with a high rate of mass transfer. The clean, water saturated gas continues through the scrubber vessel to mist removal devices. the liquid reverses ...

  • Electrostatic Coalescers: desalting and dehydration of crudes

    Electrostatic coalescers allow to remove small water droplets which would remain emulsified and not separated in conventional separators, thanks to droplet size increase through coalescence in an electric field. Crude desalting can be achieved by injecting and emulsifying dilution water in the electric field. PROSERNAT electrostatic coalescers can meet the most stringent specifications, down to 0.5 PTB (Pound per Thousand Barrels) of salts - 0.1% BSW (Basic Sediments and Water). ...

  • F-Grid™: conventional grid

    Sulzer Chemtech has broadened its portfolio to offer F-Grid for conventional grid applications. F-Grid is available in two styles in order to best match the needs of the application. F-Grid 2 is used for higher capacity applications while F-Grid 3 is used for high efficiency applications.

  • Gas processing

    ProMax® is a powerful and versatile process simulation package that is used worldwide to design and optimize gas processing, refining and chemical facilities. Totally integrated with Microsoft Visio®, Excel® and Word®, ProMax is the best simulation tool for designing gas plants and predicting performance under varying process conditions. Discover why engineers around the world depend on ProMax! • Model any NGL, LNG, LPG recovery and fractionation process • ...

  • Gas/Liquid separation technology

    Sulzer is a major player in the field of gas/liquid and liquid/liquid separation technology, offering a full range of innovative products and related services. Our commitment to development of technology, combined with application knowhow and consistent fabrication standards ensures that a well-engineered solution is available for most separation problems. Our expertise gained from hundreds of successful installations in a broad spectrum of applications ensures that the best ...

  • 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 or more purified streams within a single tower, thereby eliminating the need for a second column. This design saves capital and energy costs normally invested in a separation unit. The DWC design ...

  • 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 capacity and efficiency. We combine unparalleled technical expertise and innovative thinking to solve complex processing problems. GTC has earned a reputation of excellence by designing and delivering ...

  • High performance tray tower solutions

    Advanced distillation column design. Revamping distillation columns requires a solid process design background, particularly when conducting evaluations of existing equipment and data. GTC advises clients to understand where they are on the reflux to theoretical stage curve prior to setting the design strategy for a column. The lower the stage count, the higher the reflux rate required. However, the exact sensitivity will affect considerations in the revamp and design of your ...

  • ITW Online Cleaning

    Will revolutionize turnaround operations and operational excellence by optimizing: productivity, operability, safety health and environment, reliability, product quality, energy efficiency, CO2 SOX NOX VOC emissions, maintenance and repair and operational requirements. An entire Unit can be ITW Online Cleaned in as low as 24 hours on an oil-to-oil basis, including all the equipment and not only the relevant one, without the need of opening it. ITW Online Cleaning a Unit in ...

  • Liquid-liquid separation technology

    In industrial process equipments liquid-liquid mixtures are produced by essentially two different mechanisms. a) Mixing of the phases in either purpose built equipment, mechanical mixers, static mixers where pressure energy is applied to increase the surface free energy of the fluids to produce droplets, or in shear flow of the fluid mixture in pipes. b) The cooling of a saturated liquid below the solution point so that the solute phase condenses out of solution resulting in ...

  • MECS® SolvR™ technology for regenerative SO2 recovery.

    An energy efficient so absorption process with nearly zero SO2 emmissions. MECS® SolvR™ Technology employs an absorption solvent that is readily available, environmentally friendly and lower in cost than solvents used in other SO2 absorption processes. The technology can be integrated into new sulphuric acid plant designs to achieve ultra low SO emissions and high energy recovery. The SO2 recovered can either be liquefied, converted into sulphuric acid or converted ...

  • Multi-cassette designs provide a new option for mist elimination

    In many industrial processes, the entrainment of liquid in gas streams can lead to damage to compressors or filler materials such as molecular sieves or, at the very least, reduction of throughput. The formation and the size of liquid droplets in the gas stream are determined mainly by the process application. With the wide variation of entrainment and processes, various technologies continue to develop to best meet those needs. New Mist Elimination Technology The Sulzer MKS ...

  • Optimizing CO2 capture, dehydration and compression facilities

    The removal of CO2 by liquid absorbents is widely implemented in the field of gas processing, chemical production, and coal gasification. Many power plants are looking at post-combustion CO2 recovery to meet environmental regulations and to produce CO2 for enhanced oil recovery applications. The figure below illustrates actual data of fuel consumption in 2005 and an estimate of energy demand for various fuels from 2010 to 2030. The world energy demand will likely increase at rates ...

  • ProMax®

    ProMax is built on over 40 years of continual research and development efforts. Our team of development engineers has consistently found innovative ways to model processes so that the end results accurately refl ect the actual operating conditions of gas processing, refi ning and chemical facilities. We take pride in the fact that the focus of our development efforts has been strongly influenced by the needs of our clients. Members of our development team work directly with clients ...

  • Proserpack™ combined exchanger - separator

    Proserpack compact integrated heat exchanger – separator, simplifies NGL recovery by implementing 3 process steps (2 heat exchangers and the turbo-expander suction drum) in a single equipment item. The heat exchanger is a PACKINOX multi-fluid plate exchanger.

  • Refinery applications with advanced mass transfer technology

    Sulzer Chemtech is the process engineering and equipment manufacturing division of the international Sulzer Corporation, with its headquarters in Winterthur, Switzerland. Areas of expertise include equipment and application know-how in separation and mixing technology. Products include trays, structured packing, and random packing for separation columns; internals for separators; fractional crystallization systems; and equipment for mixing and reaction processes. Leading in ...

  • Safeguard packed column efficiency with proper liquid distribution

    Initial liquid distribution directly affects the efficiency of structured and random packing beds. As such, some form of flow test should be conducted to validate distributor performance prior to column startup. Steady state water flow testing is the most common method of testing distributors. It can be conducted in the shop or in the field to verify the design, manufacture and installation. Three Common Types of Liquid Distributor Flow Tests • Liquid Range Test with ...

  • 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 methyldiethanolamine (MDEA). Other amines include diglycolamine® (DGA), diisopropanolamine (DIPA), and triethanolamine (TEA). Mixtures of amines can also be used to customize or optimize the ...

  • 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. For over 50 years, Sulzer Chemtech has been serving these industries with our innovations, which set a new standard in many applications. For classical column operations such as distillation, ...

  • SRU solutions Dynawave® reverse jet scrubber

    Claus Sulfur Recovery Units (SRU) are found in various industries, such as refineries, natural gas processing plants, chemical plants, and coal gasification facilities. The Claus process is widely used to recover sulfur from HS containing gas streams. However, a Claus SRU can typically recover only 95 – 98% of the sulfur present. Many times, Tail Gas Treatment Units (TGTU) are installed downstream of a Claus SRU to increase the overall sulfur recovery to 99.0 – 99.9% ...

  • 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 and, therefore, optimum product quality while simultaneously minimizing corrosion and fouling in treating and fractionation sections of the unit. Proper treating is accomplished by mixing the ...

  • Structured packings for distillation, absorption and reactive distillation

    This brochure was reviewed and supplemented recently. It therefore provides a complete, up‑to‑date overview of packings available from Sulzer Chemtech. Also included is a summary covering the essential column internals and our technical services. More detailed product information, you will find in the following brochures: - Internals for Packed Columns The brochure contains a comprehensive summary of the selection of internals supplied by Sulzer Chemtech, and a description ...

  • Sulfur recovery

    With increasing environmental concerns, sulfur recovery has become one of the leading issues in emissions reduction. Bryan Research & Engineering’s process simulator, ProMax, contains a complete reactor suite for modeling kinetic (plug flow and stirred tank), equilibrium, conversion, and Gibbs minimization schemes. A variety of sulfur recovery and tail gas cleanup processes may be modeled using this suite of options. Some of the most commonly modeled processes include: • ...

  • Tracerco Profiler™ HMI

    A Windows based application offering dynamic displays, diagnostics, trending, control and historical logging. The Profiler™HMI, is a ready-made graphical user interface that provides clear insight into your separation process while enabling efficient operation and control of the Profiler™GPS and the Profiler™TGA. The displays available from the Profiler™HMI provide a ‘window’ into the vessel, allowing operators to visualize the process density ...

  • Trays for any application

    Sulzer Chemtech offers the largest tray portfolio on the market. Whatever the requirements, we have the right tray! Continuous innovations and improvements are: • First movable valve • First fixed valve • First customer tray design program • Use of push valves on commercial trays • Alliance with Shell Global Solutions to widen our tray Portfolio • Incorporation of fixed valves on multi downcomer Trays • Development of VGPlus • Highest capacity ...

  • 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, enthusiasm and attitude to offer not only quality products, but excellent service. Our goal is to meet your requirements and challenges while providing the most cost effective solutions with ...

  • 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 producing diesel from the vacuum unit is poor design—that it should be produced only from the atmospheric column. Hence many refiners feed 20-30% diesel boiling range material to their ...

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