01 / THE INDUSTRIAL DEFAULT
More heat.
More pressure.
~450 °C150–200 bar
Highly effective at scale — but engineered for a world of continuous, centralised production.
Catalyst & reactor technology
Make green ammonia
work at lower pressure.
Catalyzer is building catalyst and reactor technology for lower-pressure ammonia synthesis — with less compression and more flexible plant design.
CATALYZER PLATFORMLOWER-PRESSURE PATHWAY
H₂Green hydrogen
from the electrolyser
LOWER-PRESSURE
SYNTHESIS LOOP
SYNTHESIS LOOP
250–350 °C30 bar target
NH₃Green ammonia
ready for a flexible system
LESS COMPRESSIONMORE OPTIONALITY
25–35%conversion target
30 barpressure target
1,000 hvalidation target
The pressure problem
Today’s ammonia plants are built around a compromise.
Conventional catalysts need heat to move fast. That heat works against ammonia formation — so systems answer with pressure.
Catalyzer is developing a lower-temperature route that reopens the design space: less compression, tighter integration, more flexibility.
More heat.
02 / THE CATALYZER DIRECTION
Smarter chemistry.
Less pressure.
250–350 °C20–50 bar
A pathway designed around lower-temperature activity, with the potential to simplify the whole system around it.
Why low pressure wins
02Cut compression
When hydrogen and nitrogen need less pressure lift, the process can need fewer compressors, less high-pressure hardware and lower system complexity.
Fit green H₂
By moving the synthesis loop closer to electrolyser outlet pressure, Catalyzer tackles one of the most expensive mismatches in green ammonia production.
Stay modular
Lower design pressure can make it easier to right-size plants around energy hubs, local demand and variable renewable power.
One platform. Three routes to market.
Ammonia already moves the world.
Now it can move energy too.
Retrofit
More activity can create a valuable upgrade path for the ammonia plants already in service.
Green ammonia
Pressure-matched synthesis brings the electrolyser and the ammonia loop closer together.
Local production
Lower pressure can unlock safer, smaller systems near power, storage and demand.
Proof over promises
Deep tech earns trust with data.
We are tuning our catalyst platform while testing it against the commercial state of the art. Not in isolation — across the temperatures, pressures and loads that decide real process design.
The goal is a performance case partners can act on: clear benchmarks, long-run data and a route to scale.
01Activity
Make lower-temperature chemistry move.
02Conversion
Target 25–35% at 30 bar.
03Stability
Stay on performance over time.
04Scale
Turn lab data into reactor insight.
Catalyzer laboratory
A better catalyst needs a harder test.
Our in-house rig gives the team control over the conditions that matter: temperature, pressure, conversion and stability.
Multi-week campaignsCommercial benchmarksIndustry-defined KPIs
From catalyst to confidence
The route to a real-world reactor.
One focused progression: better chemistry, decisive data, an integrated demonstration and the operating hours to back it up.
Refine
Sharpen the catalyst, scale its preparation and define the tests that matter.
Prove
Benchmark against the field, define the winning window and make the call.
Demonstrate
Build the integrated test system where chemistry meets process design.
Validate
Run the long hours that turn promising performance into confidence.
THE AMBITION
Turn a promising catalyst into an ammonia synthesis platform with the evidence to move from lab to market.
The Catalyzer team
Built by startup operators and catalysis specialists.
We bring deep process knowledge, industrial perspective and a shared urgency to make cleaner ammonia practical.
Willem BrekelmansCEO, Catalyzer
Eduard GeusOil & gas executive
Jacco HoekstraCatalysis research
John GeusCatalysis research
Arno van HoofAdvisor, catalysis & sorbents
Giel KrooijmansIndustrial lab operations
Marc EversDeep tech investor
Partners
Progress is a team effort.
We work with industrial and technology partners who help turn scientific potential into a robust, real-world platform.
The next step is shared
Let’s turn green electrons into a storable molecule.
We are building with the people who can help shape the next ammonia value chain: industrial partners, system builders and energy innovators.
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