COMMUNITY CARBONATES
Advancing engineered flowstone
Our engineered flowstone technology captures CO₂ from ambient air and turns it into mineral carbonates with a range of end uses, including as a clinker substitute in cement. Inspired by natural cave formations and built to integrate with existing infrastructure, such as buildings, flowstones bring carbon capture into the spaces where communities live, learn, and work. Potential co-benefits include improved air quality, reduced building energy use, and greater occupant productivity.
CO₂ capture
We follow our pilot in two ways: the pH of our liquid, and the CO₂ captured on the flowstone.
In the reservoir
Measured · pHA pH probe sits in the liquid that feeds our flowstone. This chart follows that liquid.
The chart will appear here as soon as the first readings come in.
How we measure it. A pH probe sits in the liquid that feeds our flowstone. pH is a number that tells us how basic or acidic a liquid is. The dark line is the probe's reading.
Why the line is steady. Very little of the liquid has been used so far, and the reservoir is enclosed, so CO₂ from the air enters it very slowly.
The chart starts once the probe had settled, so the readings from the first few days are left out.
This chart follows the liquid, not the flowstone surface.
On the flowstone
Calculated · from pump runsHere the liquid flows over the flowstone sheet and turns into solid rock. This chart adds up what every pump run delivers.
Coming soon. These numbers will appear here once we have measured how much liquid stays on the flowstone.
This chart will appear here once the first data is in.
How we estimate it. This chart is calculated, not measured. We have tested what each run of the flowstone delivers, and we keep a log of how many runs happen every day, so we can add it all up.
Because the flowstone runs on a steady schedule, the line climbs steadily. The dotted part shows where it is heading if the runs continue. Calcite is the limestone-like mineral that builds up, so the right-hand scale shows how much rock we have grown.
What does that look like?
The first card is real lab-scale progress. The other two take our sheet's growth rate and scale it up to a larger surface. We are still at lab scale, so these are projections, not measurements.