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BÜCHI Glas Uster (BÜCHI AG)

Pressure Reactors

Pressure reactors (stirred autoclaves) are used for various chemical reactions and other applications under pressure, such as hydrogenation, polymerization, catalyst screening and corrosion testing. Our portfolio comprises of pressure reactor systems designed for intensive daily use in laboratories (small-scale pressure reactors and parallel pressure reactors), pilot plants (mid-scale pressure reactors) and production facilities (large-scale pressure reactors). For demanding reaction requirements, such as high pressures and high temperatures as well as highly corrosive process media, we offer high pressure reactors and metal-free (inert) pressure reactors. For hydrogenation, the combination of a pressure reactor and the gas dosing system bpc2 creates an optimal solution for safe, accurate and reproducible reactions. Our vast range of accessories and auxiliary equipment, including pressure filters, catalyst baskets, sampling systems and exchangeable stirrer drives, helps you to adapt your reactor systems to continuously changing process requirements and operational procedures.


BÜCHI Glas Uster (BÜCHI AG)
Volume: 10 - 300 ml
Pressure vessel: -1 (FV) to +10 bar / 100 bar
Temperature: -20 °C to +200 / 300 °C
Material: Borosilicate glass 3.3, stainless steel, Hastelloy® C-22/C-276, PTFE inliner
Other materials, pressures and temperatures are available.
Available reactor models: miniclave steel, miniclave inert, tinyclave steel.

These autoclave reactor systems are designed for the use of interchangeable pressure vessels in glass, steel and Hastelloy®. Safety features guarantee safe reactions under pressure. These pressure reactors are commonly used for various chemical syntheses and applications in material research.

Common applications:
Hydrogenation, polymerization, catalyst testing/evaluation, corrosion testing/measurement, crystallization, chemical research, petrochemical research, biopolymer research, nanoparticle synthesis. More information

BÜCHI Glas Uster (BÜCHI AG)
Volume: 100 - 300ml
Pressure vessel: -1 (FV) to +60 bar
Temperature: -20 °C to +250 °C
Material: Borosilicate glass 3.3, PTFE, stainless steel, Hastelloy® C-22/C-276
Other materials, pressures & temperatures are available.
Available reactor models: miniclave drive, picoclave

These pressure reactors are built with corrosion-resistant materials which ensure high resistance against acids, while allowing reactions under pressure. The magnetic stirrer drive guarantees efficient mixing and stirring of the process media as well as excellent heat transfer. These multipurpose pressure reactor systems are designed for the use of interchangeable pressure vessels.

Common applications:
Hydrogenation, polymerization, catalyst testing/evaluation, crystallization, chemical research, petrochemical research, corrosion testing/measurement, upstream research, biomass research, biopolymer research, biorefinery research. More information

BÜCHI Glas Uster (BÜCHI AG)
Vessel volume: 0.25 - 20 liter
Pressure vessel: -1 (FV) to +60 / 200 bar
Temperature: -20 °C to +250 °C
Material: Borosilicate glass 3.3, stainless steel, Hastelloy® C-22/C-276
Other materials, pressures & temperatures are available.
Available reactor models: polyclave, ecoclave, versoclave, kiloclave

These multipurpose pressure reactor systems are designed for the use of interchangeable pressure vessels. Safety features guarantee safe reactions under pressure. The modular setup of these systems allows changing or upgrading for new applications / reactions at any time. A wide range of accessories for feeding of liquids / solids / gas, catalyst baskets, etc. are available.

Common applications:
Hydrogenation, polymerization, catalyst testing/evaluation, crystallization, chemical research, petrochemical research, corrosion testing/measurement, upstream research, biomass research, biopolymer research, API synthesis. More information

BÜCHI Glas Uster (BÜCHI AG)
Reactor volume: 20 - 250 liter
Pressure Vessel: -1 (FV) to +200 bar
Temperature: -20 °C to +300 °C
Material: stainless steel, Hastelloy® C-22/C-276
Other materials, pressures & temperatures are available.
Available reactor models: pilotclave

Büchi pilot plant pressure reactors are built for reactions under pressure and full vacuum. Different technologies and materials are available, depending on process and media requirements. The pilotclave pressure reactors are used for scale-up and small-scale production in pilot plants and kilo labs.

Common applications:
Hydrogenation, polymerization, crystallization, petrochemical research, scale-up, kilo-scale production, process development, biomass research, biopolymer research, biorefinery research, biofuels research, corrosion testing/measurement, zeolite synthesis, nanoparticle synthesis, API synthesis. More information

BÜCHI Glas Uster (BÜCHI AG)
Reactor volume: 0.1 - 5.0 liter
Pressure vessel: -1 (FV) to +500 bar
Temperature: -20 °C to +500 °C
Material: stainless steel, Hastelloy® C-22/C-276
Other materials, pressures & temperatures are available.
Available reactor models: novoclave, limbo ls, midiclave

These high pressure reactor systems (stirred autoclaves) are designed for the use of metal pressure vessels. The stainless steel or Hastelloy® reactors ensure high corrosion resistance and safety features guarantee safe reactions under pressure. The high torque magnetic drive ensures efficient mixing and stirring of the process media as well as excellent heat transfer.

Common applications:
Hydrogenation, catalyst testing/evaluation, (melt) polymerization, super-critical reactions/extractions, corrosion testing/measurement, materials testing, hydrogen sulfide (H₂S) scavenger testing, biorefinery research, biomass-to-liquids (BTL) research, biofuels research. More information

BÜCHI Glas Uster (BÜCHI AG)
Reactor volume: 100ml to 20 liters
Pressure vessel: -1 (FV) to +6 / 60 bar
Temperature: -20 °C to +180 / 250 °C
Material: Glass (6 bar only), glass-lined steel, ceramic, PFA, PEEK, PTFE, Tantalum (60 bar only)
Available reactor models: miniclave inert, polyclave inert, ecoclave inert, kiloclave inert, versoclave inert

These metal-free multipurpose pressure reactor systems (autoclave reactors) ensure highest resistance against aggressive chemicals, while avoiding contamination or side reactions with metals. The modular system setup allows changing or upgrading for new applications and reactions at any time.

Common applications:
Hydrogenation, polymerization, catalyst testing/evaluation, crystallization, corrosion testing/measurement, chemical and petrochemical research, biomass research, biopolymer research, biorefinery and biofuels research, API synthesis. More information

BÜCHI Glas Uster (BÜCHI AG)
The Büchi gas dosing system bpc2 in combination with a Büchi pressure reactor creates an optimal solution for safe, accurate and reproducible hydrogenations.

The unique volumetric hydrogen gas dosing unit bpc2 records the parameters pressure, momentary consumption and overall consumption. The progress of the reaction is shown graphically on the screen. The optional bls3 software allows operation of the unit via PC and storing or recording data for further analyses. More information

BÜCHI Glas Uster (BÜCHI AG)
Reactor volume: 50 ml - 300 ml
Number of Reactors: 2 - 6
Pressure: -1.0 (FV) to +100 bar
Temperature: -20 °C to +300 °C
Material: stainless steel, Hastelloy® C-22/C-276, Tantalum, PTFE inliner
Other setups are available.

This parallel pressure reactor system is configurable and modular, allowing for individual or parallel operation settings of each reactor. This system uses automated process control enabling fast process development and parallel reaction screening in a reproducible and safe manner.

Common applications:
Hydrogenation, catalyst testing/screening, process development, scale-up studies, carbonylation by CO/carboxylation by CO2, decarboxylation, Friedel-Crafts-Acylation, various gas reactions at constant flow (CO, CO2, ethene, O2, NO) and ethoxylation. More information

BÜCHI Glas Uster (BÜCHI AG)
Torque range: 50 - 5400 Ncm
Temperature range: -50°C to +500°C
Pressure range (full vacuum): up to 500 bar / 6000 psi
Materials: stainless steel, Hastelloy®, Tantalum, Titanium, ceramic, others.

Büchi magnetic stirrer drives (cyclone) and magnetic couplings (bmd) are used for mixing of process media with low to very high viscosities, under full vacuum and high pressure. Büchi bmd magnetic couplings are available in explosion-proof design with ATEX rating. More information

BÜCHI Glas Uster (BÜCHI AG)
Material: stainless steel, Hastelloy® C-22/C-276, Titanium

Catalyst baskets hold the catalyst within the reaction media and are typically used for catalyst testing/screening applications, including catalyst effectivity, yield, activation, life time as well as regeneration.

The type of catalyst basket used varies depending on the characteristics of the catalyst (type, particle size), the parameters of the process/chemical reaction, the temperature and the pressure. The catalyst basket designs can be differentiated between stationary catalyst baskets (catalyst bed) and spinning baskets (rotation via attachment on the stirrer shaft). More information

BÜCHI Glas Uster (BÜCHI AG)
Pressure vessel: 100ml to 20l
Pressure: -1 (FV) to 6 bar
Temperature: 300 °C
Material: Hastelloy® C22, stainless steel, others

Büchi pressure filters are designed for filtration, pressurizing the vessel with up to 6bar pressure. They offer a removable filter basket, a quick opening / closing system and a perfect fit to Büchi pressure reactors, allowing for an easy operation. The pressure filters are available in various sizes and filter types as well as with an optional heating jacket for temperature-controlled filtration. Process connections are standard Tri-clamp configuration. More information