Do It Smart, Do It In Flow:
Review our Flow Reactor Library
Flow Reactors
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Arrow Reactor
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The Arrow Reactor is a flow reactor featuring advanced static mixing elements that improve mass transfer and heat transfer to increase reaction rate and boost yield across a wide range of chemistries. With an optional optical window, the reactor supports photochemical flow reactions by maintaining a thin liquid layer to maximize light penetration.
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Volume: 2.05 mL
Illuminated area: 20.53 cm²
Depth: 1 mm
Flow cross section: 32.04 mm²
Temperature range: -20/200°C (up to 300°C on request)
Pressure range: Up to 12 bar
Residence time: ~ 10-8000 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Micro-Flow Reactor
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The Micro Reactor is a flow reactor engineered for laminar mixing and ultrashort, tightly controlled residence times. Its narrow, turning channel architecture generates intense local mixing while maintaining plug or slug flow conditions, minimizing back-mixing and ensuring every fluid element experiences the same reaction history. An optional optical window can be fitted to enable photochemical reactions in flow through a thin, well-illuminated liquid layer
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Volume: 0.81 mL
Illuminated area: 0.81 mm²
Depth: 1 mm
Channel width: 1 mm
Flow cross section: 1 mm²
Temperature range: -20/200°C (up to 300°C on request)
Pressure range: Up to 12 bar
Residence time: ~ 4-3200 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions 8.6 x 7.2 cm
Serpentine Reactor
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The Serpentine Reactor is a flow reactor designed to operate under plug or slug flow conditions, where fluid elements move at the same velocity through the channel with minimal back-mixing between adjacent layers. When equipped with a window, it enables photochemical reactions, ensuring maximum light penetration.
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Volume: 1.74 - 8.70 mL
Illuminated area: 17.41 cm²
Depth: 1-5 mm
Channel width: 2 mm
Flow cross section: 2-10 mm²
Temperature range: -20/200°C (up to 300°C on request)
Pressure range: Up to 12 bar
Residence time: ~ 7/34-7000/34800 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions 8.6 x 7.2 cm
Split-Flow Reactor
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The Split-Flow Reactor is a split-and-recombine (SAR) flow reactor that repeatedly splits, mixes, and remixes the flowing stream to intensify phase interaction and provide sufficient residence time for slower transformations. When equipped with a window, it enables full light utilization, thanks to its 1 mm thickness.
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Volume: 1.36 mL
Illuminated area: 13.63 cm²
Depth: 1 mm
Temperature range: -20/200°C (up to 300°C on request)
Pressure range: Up to 12 bar
Residence time: ~ 6-5400 seconds
Materials option: Stainles²s steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions 8.6 x 7.2 cm
Bubble Reactor
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The Bubble Reactor is a flow reactor that uses a contraction-expansion channel geometry to generate pulsating flow and local turbulence, significantly enhancing gas–liquid mass transfer even under otherwise laminar conditions.
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Volume: 1.47 mL
Illuminated area: 14.69 mm²
Depth: 1 mm
Channel width: 1 mm
Flow cross section: 1 mm²
Temperature range: -20/200°C (up to 300°C on request)
Pressure range: Up to 12 bar
Residence time: ~ 4-3200 seconds
Materials option: Stainles²s steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Packed-Bed Reactor
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The Redeem Packed-bed Reactor is a flow reactor that delivers uniform flow through a precisely arranged pellet-packed core (using our catalysts or your own). The design targets high contact efficiency and improve reaction kinetics while maintaining smooth operation without high pressure drops.
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Volume: Depends on the packing ~ 1.3-5.4 mL.
Illuminated area: 26.38 cm²
Depth: 0.1-5 mm
Flow cross section: 32.04 mm²
Temperature range: -20/340°C
Pressure range: Up to 12 bar
Residence time: Depends on the packing (1-50000 seconds)
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Particle options: Al, TiO₂ (see our catalyst catalog), glass, silica and stainless steel
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
See-Through Reactor
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The See-Through Reactor is a photochemical flow reactor illuminated from both sides to improve light distribution and significantly enhance photochemical reaction rates. It allows you to adjust the thickness of the illuminated thin film to tune light penetration, making it suitable for both small-scale screening and preparative-scale photochemical production.
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Volume: 0.26 / 13.19 mL
Illuminated area: 52.76 cm²
Liquid thickness: 0.1-5 mm
Temperature range: -20/200°C
Illuminated Area/Vol: 4-200 cm⁻¹
Pressure range: Up to 12 bar
Residence time: ~ 1/52-1020/52740 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Membrane Reactor
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The Membrane Reactor integrates a selective membrane (see our membranes or use your own) to combine reaction and separation in a single flow platform. Selective permeability can allow certain molecules to pass while blocking others, helping promote desired reaction pathways and suppress undesired ones. It can also be used as a filtration unit.
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Depth: 0.1-5 mm
Volume: 0.26 - 13.19 mL
Membranes available: See our membranes
Illuminated area: 26.38 cm²
Temperature range: -20/200°C
Pressure range: Up to 12 bar
Residence time: ~ 1/52-1020/52740 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Foam Reactor
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The Foam Reactor is a flow reactor that integrates a metallic or ceramic foam structure (see our membranes or use your own) inside the reactor channel to maximize surface-area contact between the reacting stream and the catalyst or support material. The open-cell geometry minimizes flow channeling and dead zones, delivering consistent contact and high catalytic efficiency.
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Volume: 0.26 - 13.19 mL - volume of the foam
Illuminated area: 26.38 cm²
Depth: 0.1 - 5 mm
Temperature range: -20/200°C
Pressure range: Up to 12 bar
Residence time: ~ 1/52-1020/52740 seconds
Flow cross section: 32.04 mm²
Foam options: Your foam or see our foams available from 40-100 ppi.
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Thin-Film Reactor
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The Thin Film Reactor is a flow reactor that forms a thin liquid film to create very high surface area contact with reactor walls, enabling strong heat transfer and mass transfer. This is particularly useful in processes that benefit from high heat exchange.
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Depth: 0.1-5 mm
Volume: 0.26 / 13.19 mL
Illuminated area: 26.38 cm²
Flow cross section: 4.8-240 mm²
Temperature range: -20/200°C (300°C upon request)
Pressure range: Up to 12 bar
Residence time: ~ 1/52-1020/52740 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Coated Reactor
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The Coated Reactor is a Thin Film Reactor that features an interior surface coated with finely dispersed catalyst powder of your chosen composition (see our catalysts or use your own) to increase catalytic activity and accelerate reactions. Coating can be applied to either the metallic back plate or the glass window face (if present) of the reaction chamber, allowing flexibility in catalyst placement and illumination geometry. The window can be coated and used in any other Redeem Flow Reactor.
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Depth 0.1-5 mm
Volume: 0.26 - 13.19 mL
Coating available: Your coating, our see our catalysts
Coated area: 26.38 cm²
Illuminated area: 26.38 cm²
Flow cross section: 4.8-240 mm²
Temperature range: -20/200°C
Pressure range: Up to 12 bar
Residence time: ~ 1/52-1020/52740 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Aluminum
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Holey Sparger Reactor
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The Holey Sparger Reactor is a flow reactor that uses a perforated sparger to introduce gas into a liquid phase by generating small bubbles, increasing gas–liquid interfacial area and improving mass transfer. Unlike passive mixing reactors, the reactor allows precise control over gas introduction rate and bubble size through sparger design, enabling safer and more reproducible handling of reactive gases such as H₂, O₂, and CO.
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Depth: Variable (1 - 5 mm)
Volume: Variable (1.3 - 13.7 mL)
Holes size: 0.1 - 5 mm
Illuminated area: 26.38 cm²
Temperature range: -20/200°C (300°C upon request)
Pressure range: Up to 12 bar
Residence time: ~ 1/52-1020/52740 seconds
Materials option: Stainless steel, Hastelloy, Cu, PEEK, Anodized Al
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 8.6 x 7.2 cm
Need Something Special?
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Our team is made up of doers, so if you need a specialized reactor for your chemistry, we have you covered.
Contact our office to discuss custom flow plate designs, reactors, and special materials.
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From initial concept design and prototyping through testing and validation, all the way to delivering a fully ready-to-use reactor in your lab- our team supports the entire process end to end.
Electro-Flow Reactors
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Photo-Electro Chemical
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The Redeem (Photo) Electrochemical Reactor (P)EC is a flow reactor designed for investigating and scaling (photo)electrochemical processes under continuous-flow conditions. The platform supports flexible electrode selection and configuration (see our electrode, or use your own), enabling rapid optimization of electroorganic transformations as well as photoelectrochemical studies.
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Volume 5-25 mL
Electrodes Your electrode or see ours.
Interelectrode distance: Adjustable between 0-1 cm
Illuminated area 26.38 cm²
Temperature range: -20/200°C
Pressure range: Catholyte 1-5 bar, Anolyte 1-5, Pressure differential 1- 5 bar.
Residence time: 20/100-20000/50000
Material option: PEEK
Window options Borosilicate, quartz, ITO, Sapphire
Dimensions 8.6 x 7.2 cm
Electro Chemical
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The EC Reactor, is a flow reactor brother of the PEC reactor. The missing window allows higher pressure and a smaller volume.
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Volume: Variable
Electrodes: Your electrode or see ours.
Interelectrode distance: Adjustable between 0-1 cm
Temperature range: -20/200°C
Pressure range: Catholyte 1-5 bar, Anolyte 1-5, Pressure differential 1- 5 bar.
Residence time: Variable
Material option: PEEK
Window options: Borosilicate, quartz, ITO, Sapphire
Dimensions: 3×3 cm