AplhaCore microchannel reactors
AlphaCore reactors are Velocys’ microchannel Fischer-Tropsch reactors, designed to convert cleaned synthesis gas into liquid hydrocarbons through compact reactor geometry, controlled heat removal, and modular deployment.
AlphaCore™ reactors form the reactor core of Velocys’ microFTL™ technology platform, operating together with Oxford-engineered SQRCAT™ catalyst, module / skid design, and Velocys process know-how.
The AlphaCore reactor family includes currently available microchannel reactor offerings from AlphaCore 10 through AlphaCore 400, giving project developers flexible options for distributed-scale and modular Fischer-Tropsch fuel production.
Refer to Fischer-Tropsch reactors for a general explanation of FT reactor types and how they work.
Quick answers on this page
- AlphaCore reactors are Velocys’ microchannel Fischer-Tropsch reactor family
- Available AlphaCore reactor offerings include AlphaCore 10, 50, 200, and 400
- AlphaCore reactors scale through modular trains and FT islands
- Microchannel design supports rapid heat removal and stable reaction control
- AlphaCore reactors are designed to work with SQRCAT catalyst as an integrated synthesis system
What are AlphaCore microchannel reactors?
AlphaCore reactors are Velocys’ microchannel reactor systems for Fischer-Tropsch synthesis.
They are designed to operate inside the FT island, where cleaned synthesis gas is converted into liquid hydrocarbons that can be upgraded into sustainable aviation fuel, renewable diesel, naphtha, and other synthetic fuel products.
AlphaCore reactors work in conjunction with:
- SQRCAT catalyst
- reactor heat management systems
- gas distribution and recycle systems
- product separation systems
- Velocys process design and operating know-how
The reactor is not a standalone component. It is part of a complete FT synthesis island where reactor geometry, catalyst behavior, and process conditions are engineered together.
What AlphaCore reactor sizes are available?
AlphaCore reactor offerings are organized by approximate Fischer-Tropsch liquid production capacity.
Currently available AlphaCore microchannel reactor offerings include:
- AlphaCore 10: up to approximately 10 barrels per day of FT liquids
- AlphaCore 50: up to approximately 50 barrels per day of FT liquids
- AlphaCore 200: up to approximately 200 barrels per day of FT liquids
- AlphaCore 400: up to approximately 400 barrels per day of FT liquids
These reactor sizes allow project developers to match reactor selection to syngas availability, project capacity, site design, and deployment strategy.
Actual production capacity depends on project-specific design conditions, syngas availability and composition, operating assumptions, and FT island configuration.
How do AlphaCore microchannel reactors work?
AlphaCore reactors use microchannel architecture to intensify Fischer-Tropsch synthesis.
In an AlphaCore reactor:
- cleaned syngas flows through compact reaction channels
- SQRCAT catalyst enables hydrocarbon formation
- cooling channels remove heat generated by the reaction
- temperature is controlled across the catalyst environment
- hydrocarbon products are routed for separation and downstream upgrading
This close integration of reaction and heat removal helps maintain stable operating conditions during Fischer-Tropsch synthesis.
Microchannel design is especially useful where projects require compact deployment, modular scale-up, and high heat-transfer performance.
What are the key components of an AlphaCore reactor?
AlphaCore microchannel reactors combine reaction, heat transfer, and flow management into a compact reactor system.
Key functional components include:
Reaction channels
Where synthesis gas flows over catalyst and hydrocarbon formation occurs.
Cooling channels
Adjacent channels that remove heat generated during Fischer-Tropsch synthesis.
Catalyst environment
Where SQRCAT catalyst contacts carbon monoxide and hydrogen and converts them into hydrocarbon chains.
Flow distribution system
Ensures even distribution of synthesis gas across the reactor.
Structural containment
Provides compact reactor construction designed for operation under Fischer-Tropsch process conditions.
These elements are tightly integrated, enabling reaction and heat removal to occur simultaneously within a controlled FT synthesis environment.
How are AlphaCore reactors selected for a project?
AlphaCore reactor selection depends on project scale, syngas availability, product targets, and execution strategy.
Key factors include:
- available syngas flow rate
- desired FT liquid production capacity
- number of reactor trains required
- site and modularization strategy
- operational flexibility requirements
- catalyst regeneration and maintenance strategy
- downstream product slate and upgrading design
Smaller projects may use lower-capacity reactor options, while larger distributed projects may use higher-capacity AlphaCore reactors, multiple reactors, or multiple trains.
How are AlphaCore reactors deployed in trains and FT islands?
AlphaCore reactors are deployed in configurations that match project scale and operating requirements.
At the reactor level:
- individual reactors are grouped into trains
At the system level:
- multiple trains operate in parallel to form the FT island
This configuration enables:
- scaling through additional trains rather than only larger vessels
- consistent performance across replicated units
- operational flexibility during maintenance or catalyst regeneration
- continued production while individual trains are taken offline
For example, in a multi-train FT island, one train can be taken offline for catalyst regeneration while other trains continue operating for uninterrupted production.
This modular approach supports distributed-scale deployment and long-term operational flexibility.
What makes AlphaCore microchannel reactors different?
AlphaCore reactors apply compact microchannel architecture to create a controlled Fischer-Tropsch synthesis environment.
Key features include:
- short characteristic length scales for heat transfer
- rapid removal of reaction heat
- controlled temperature profiles
- compact reactor footprint
- repeatable reactor design
- modular train configuration
- compatibility with distributed-scale deployment
These features support stable hydrocarbon production across renewable fuel projects where feedstocks, syngas volumes, and project scales may vary.
Why does heat management matter in Fischer-Tropsch synthesis?
Fischer-Tropsch synthesis is highly exothermic, meaning it releases significant heat during reaction.
If heat is not managed effectively, the reactor can experience:
- temperature gradients and hot spots across the catalyst
- reduced selectivity
- product distribution shifts
- catalyst deactivation over time
AlphaCore microchannel reactors are designed to remove heat efficiently across the catalyst environment, helping maintain:
- stable reaction conditions
- consistent product formation
- long-term catalyst performance
This is one reason reactor design and catalyst behavior must be engineered together.
How do AlphaCore reactors work with SQRCAT catalyst?
AlphaCore reactors are designed to operate with SQRCAT catalyst as part of an integrated synthesis system.
Within the reactor:
- heat generated by the reaction is rapidly removed
- temperature remains controlled across the catalyst environment
- reaction conditions support stable hydrocarbon chain growth
- catalyst performance is managed through defined operating conditions
This interaction supports:
- yield control
- product consistency
- reduced thermal stress on the catalyst
- catalyst lifecycle management
Reactor design, catalyst behavior, and process conditions are engineered together inside Velocys microFTL technology packages.
See Velocys Fischer-Tropsch catalyst for more information about SQRCAT catalyst and regeneration strategy.
How do AlphaCore reactors support modular deployment?
AlphaCore reactors are designed for modular Fischer-Tropsch deployment.
Rather than relying only on very large single-reactor systems, AlphaCore reactors can be configured in modular trains that align with project capacity and available syngas supply.
This supports:
- distributed fuel production
- phased deployment strategies
- repeatable reactor configurations
- integration into skid or module-based designs
- flexibility across feedstock pathways
This modular approach is central to microFTL technology and supports projects using biogas, biomass, municipal solid waste, gas feedstocks, and power-derived syngas.
Where do AlphaCore reactors fit in the FT island?
AlphaCore reactors form the central synthesis unit inside the FT island. They constitute the core.
The FT island includes the equipment and systems required to convert cleaned synthesis gas into liquid hydrocarbons, including:
- AlphaCore reactors
- SQRCAT catalyst
- heat transfer and cooling systems
- gas distribution and recycle systems
- product separation systems
- process controls and instrumentation
Upstream systems generate and clean syngas. Downstream systems upgrade FT liquids into finished fuel products.
AlphaCore reactors sit at the point where syngas becomes synthetic hydrocarbon liquid.
What fuels can AlphaCore reactors support?
AlphaCore reactors produce Fischer-Tropsch liquids that can be upgraded into multiple fuel and product streams.
Potential outputs include:
- sustainable aviation fuel
- renewable diesel
- naphtha
- synthetic waxes
- specialty synthetic hydrocarbons
Final product depends on downstream upgrading design, product specification requirements, and overall project configuration.
How does Velocys support AlphaCore reactor deployment?
Velocys supports AlphaCore reactor deployment as part of the microFTL technology package.
This includes:
- reactor selection and configuration
- module / skid design support
- integration with process design packages
- catalyst loading and lifecycle planning
- commissioning and startup support
- performance testing and optimization
- operating guidance across the FT island
Reactor deployment is supported throughout the project lifecycle, from early design through operation.
Frequently asked questions
Are AlphaCore reactors microchannel reactors?
Yes. AlphaCore 10, AlphaCore 50, AlphaCore 200, and AlphaCore 400 are Velocys microchannel Fischer-Tropsch reactor offerings.
What do the AlphaCore model numbers mean?
The model numbers correspond to approximate daily Fischer-Tropsch liquid production capacity in barrels per day.
Can AlphaCore reactors support SAF production?
Yes. AlphaCore reactors produce synthetic hydrocarbons that can be upgraded into sustainable aviation fuel, renewable diesel, naphtha, and other products.
Are AlphaCore reactors part of microFTL technology?
Yes. AlphaCore reactors are the reactor systems inside Velocys microFTL technology packages, working alongside SQRCAT catalyst, module / skid design, process know-how, licensing, and operating support.
Can AlphaCore reactors be used in multi-train systems?
Yes. AlphaCore reactors can be configured in parallel trains to match project capacity and support operational flexibility.
Can a reactor train be taken offline without stopping production?
Yes. In multi-train FT island configurations, individual trains can be taken offline for catalyst regeneration, maintenance, or catalyst replacement while other trains continue operating.
Are AlphaCore reactors used only for SAF?
No. AlphaCore reactors support multiple Fischer-Tropsch fuel pathways, including sustainable aviation fuel, renewable diesel, naphtha, gas-to-liquids, biomass-to-liquids, and power-to-liquids applications.