Ammonia synthesis
- Desulfurization section
- Steam reformer
- Secondary reformer
- ATR unit
- HT Shift/MT Shift/LT Shift
- Methanator
- Ammonia converters
- Inert-free synthesis loop
Methanol synthesis
- Desulfurization section
- Prereformer
- Steam reformer
- Secondary reformer
- ATR unit
- Methanol Reactor
- Methanol stabilization and separation column
Hydrogen Production Unit
- Desulfurization section
- Prereformer
- Steam reformer
- HT Shift / MT Shift Reactor
- PSA adsorbents
- Skid mounted mobile units
- Heater (combustion of spent acid / acid gas) and waste heat boiler
- Converter
- Sulfuric acid condensation unit
- VRP Reactor
- Heat recovery heat exchanger
- Fired / electric heater
Spare parts
- For ammonia plants
- For methanol plants
- For hydrogen production units
- For sulfuric acid plants
- For hydrotreating units
Syngas catalysts
Catalysts and adsorbents for feed pretreatment
Hydrogenation catalyst
CoMo hydrotreating catalyst characterized by high activity in removing both sulfur- and nitrogen-containing compounds. It demonstrates high activity in saturation of olefins and oxygen-containing compounds. This catalyst is supplied in the oxide form and is activated by feeding a sulfur-containing agent or high-sulfur feed.
Sulfur adsorbent
Zinc oxide based sulfur adsorbent which is widely used for the feed treatment in the production of hydrogen, ammonia, alcohols and organic compounds. It is designed for removal of hydrogen sulfide from various gases and hydrocarbon streams to a content below 0.1 wt. ppm. It could operate in harsh conditions with high absorption capacity with respect to sulfur, demonstrating high activity and strength, while having high absorption capacity with respect to sulfur and resistance to high steam/gas ratio.
Chloride guard adsorbent
The adsorbent based on promoted activated alumina, designed to effectively remove chlorides from process streams of gases and liquids. It is used for removal of chlorinated compounds from treat gas, recycle hydrogen, synthesis gas and liquid hydrocarbons.
Reforming catalysts
Pre-reforming catalyst
Pre-reforming catalyst with the nickel oxide based active component. It is characterized by high mechanical strength, good coke formation resistance and demonstrates very high activity and stability. This catalyst is used at high space velocities, increasing the process flexibility.
The catalyst is supplied in both oxide and pre-reduced forms.
Primary reforming catalyst
Steam reforming catalyst based on nickel oxide deposited on calcium aluminate. It is designed for the use in reformers downstream of the pre-reforming section or for reformers involved in processing such hydrocarbon feedstock as natural gas, LPG, etc.
The correct selection of the catalyst taking into account the length of reformer tubes makes it possible to achieve high activity and selectivity, as well as a long service life combined with low carbon formation.
Primary reforming catalyst
Steam reforming catalyst based on nickel oxide deposited on calcium aluminate.
It is characterized by a sufficiently high specific surface area, low bulk density, high heat transfer degree and low hydraulic resistance of the layer.
Primary reforming catalyst
Steam reforming catalyst based on nickel oxide deposited on calcium aluminate with addition of an alkaline promoter.
It is characterized by high activity, a sufficiently high specific surface area, low bulk density, high heat transfer degree and low hydraulic resistance of the layer.
Secondary reforming catalyst
Secondary reforming catalyst based on nickel oxide deposited on calcium aluminate.
It is characterized by high strength, activity and heat resistance. This catalyst is used in hydrogen, ammonia and methanol plants, in metallurgical plants and is optimal for processing all types of reforming feed.
Guard (frontal) secondary reforming catalyst layer
Steam reforming catalyst based on nickel oxide deposited on calcium aluminate and promoted with potassium oxide.
It is characterized by high activity and strength, as well as low hydraulic resistance of the layer due to its ring-shaped particles.
CO shift catalysts
LTS catalyst
Low temperature shift catalyst based on copper oxide and zinc oxide deposited on aluminum oxide. It is supplied in the form of pellets.
It is characterized by high resistance to poisons and high activity as well as by high selectivity, which makes it possible to reduce the yield of the by-product in the form of methanol.
MTS catalyst
Medium temperature shift catalyst based on copper oxide and zinc oxide deposited on aluminum oxide. It is supplied in the form of pellets.
It is characterized by high selectivity and thermal stability.
HTS catalyst
Promoted CO shift catalyst based on iron and chromium oxides with an ultra-low content of hexavalent chromium. It is supplied in the form of pellets.
It is characterized by high mechanical strength and high activity.
Ammonia synthesis catalyst
Ammonia synthesis catalyst could be in the oxide or reduced form
Iron-based ammonia synthesis catalyst with addition of special promoters.
It is widely used in ammonia synthesis converters of various designs for the process gas conversion to ammonia.
This catalyst is characterized by high activity and stability.
Methanol synthesis catalyst
Methanol synthesis catalyst
Methanol synthesis catalyst based on copper and zinc oxides deposited on the aluminum oxide carrier.
It is characterized by improved methanol yield, selectivity and thermal stability.
Methanation catalysts
Methanation catalyst
Methanation catalyst based on nickel oxide deposited on aluminum oxide. It has pellet shape and is supplied both in reduced and oxide forms.
It is characterized by high mechanical strength, low maximum activity temperature, and high temperature resistance.
Methanation catalyst
Methanation catalyst based on nickel oxide deposited on aluminum oxide. It has sphere shape and is supplied both in reduced and oxide forms.
It is characterized by high mechanical strength, low maximum activity temperature, and high temperature resistance.
Adsorbents
Molecular sieves
Adsorbent based on molecular sieves having type A crystal structure sodium form with clay as a binding material. Molecular sieve 3A adsorbs molecules up to three angstroms in size, such as water, ammonia, etc., and is used to dry both gases (natural gas, air, propane, LPG, etc.) and liquid streams such as methanol, ethanol, LPG, etc.
Activated carbon
Adsorbent based on activated carbon in the form of cylindrical extrudates.
It is used for hydrogen treatment at PSA units.
Catalysts and guard layers for hydroprocesses
Hydrotreating catalyst
The brand new NiMo hydrotreating catalyst having high activity in removing both sulfur- and nitrogen-containing compounds, as well as unique activity in saturating aromatic compounds.
The increased saturation activity of aromatic compounds makes it possible to obtain the product with the required density when processing heavy types of both straight-run and cracked feed of wide distillation and various origins.
FCC Naphtha hydrotreating catalyst
CoMo hydrotreating catalyst designed specifically for FCC Naphtha HDT units and characterized by high activity in removal of sulfur compounds while maintaining excellent selectivity and ensuring minimal octane number loss.
Inert layers
Hold-down layer catalyst in the form of five hole pellets made of inert aluminosilicate. It is used in the hold-down layer for loading on top of grading catalysts or on top of the bulk catalyst.
It is characterized by high mechanical strength and thermal stability. Due to its shape and high void fraction, this catalyst could effectively prevent pressure drop build-up across the reactor by catching particulate matters. This catalyst makes it possible to ensure the uniform feed gas mixture flow distribution, thereby achieving the use of the entire volume of the bulk catalyst.
Inert layers
Inert aluminum oxide rings in the form of gears. They are made of high purity material and calcined under strictly controlled conditions so to ensure:
- High temperature resistance
- Thermal stability
- Uniform round shape (so to minimize pressure drop)
- High crush strength
- High pore volume 50 – 60%
Guard catalyst
Guard catalyst in the form of rings with moderate hydrogenating and moderate desulfurization activity. This guard catalyst is characterized by significant activity in catching such catalyst poisons as silicon, arsenic and heavy metals.
It is used in the guard layer of grading applications to ensure smooth saturation of unsaturated compounds in the feed, prevent pressure drop build-up, as well as the accumulation of catalyst poisons from the unit feed so to protect the bulk catalyst from poisoning.
Guard catalyst
TheNiMo guard catalyst having high activity in removing both sulfur- and nitrogen-containing compounds, as well as unique activity in saturating aromatic compounds.
Hold down guard catalyst
Guard catalyst in the form of foamed discs. It is designed for efficient capture of mechanical impurities from the feed stream. It is characterized by a high void fraction, its inertia and developed porous structure. This catalyst is used at many HDT units, especially at Naphtha and kerosene HDT units, where there are trends for pressure drop build-up due to mechanical impurities entering the reactor.
Sulfuric acid catalysts
Sulfuric acid catalysts for dry gas and wet catalysis processes as well as for high and low temperatures.
Claus catalysts
Claus catalysts
Superior spherical Claus catalyst is based on active aluminum oxide and is used in sulfur recovery units. It is characterized by excellent activity in conversion of H2S, SO2, COS and CS2 due to its high specific surface area, high macroporosity and good thermal stability.
Catalysts
Toptech supplies proven highly active catalysts of excellent quality and guarantees their performance. Upon the customer`s request, technical services (loading, monitoring, service life prediction) may be included in the scope of supply as well.
We supply the following items: desulfurization catalysts, sulfur adsorbents, pre-reforming catalysts, primary reforming catalysts, secondary reforming catalysts, HTS, MTS and LTS catalysts, methanation catalysts, ammonia synthesis catalysts, methanol synthesis catalysts, sulfuric acid production catalysts, hydrotreating catalysts, guard layer catalysts, adsorbents, selective hydrogenation catalysts.
Information about the available range of catalysts and a reference list could be provided upon request.
