The most interesting thing about a new direct air capture company is rarely the chemistry. It's the supply chain. Yama Carbon, a Paris-based startup founded in 2023, is betting its hybrid electrochemical process can win by leaning on hardware that already exists, in factories that already hum, for customers who already have the heat.
A wedge of industrial pragmatism
Yama's technology is a pH-swing process that uses electrodialysis to capture CO₂, paired with low-temperature heat pumps to release it. The core hardware,electrodialysis stacks,is a mature component borrowed from water desalination and treatment [Simpliflying Green, Feb 2024]. The company's stated goal is to avoid bespoke, one-off plants. Instead, it wants to assemble its systems from mass-manufactured parts and familiar industrial processes, aiming to cut both capital costs and deployment time [Simpliflying Green, Feb 2024]. This is a bet on industrial discipline over laboratory novelty. The company claims this approach, integrating heat pumps, can reduce energy consumption by 30% and capital intensity by 10% compared to standalone electrochemical DAC [Third Derivative, retrieved 2026].
The roadmap from lab to landscape
Yama has moved quickly from concept to pilot. The company scaled its system 56x in one year, progressing from lab bench to what it calls the first-ever French DAC pilot plant [Yama Carbon, retrieved 2024]. The public roadmap is ambitious and specific, plotting a course from a 365-tonne-per-year demonstration plant, to a 5,000-tonne facility, and ultimately to a first-of-a-kind commercial plant around 2030 designed to capture roughly 50,000 tonnes of CO₂ annually [Simpliflying Green, Feb 2024]. This trajectory is aimed squarely at industrial emitters and corporate buyers seeking high-durability carbon removal credits, with aviation cited as a key sector [Simpliflying Green, Feb 2024].
| Competitor | Primary Technology | Key Differentiator / Focus |
|---|---|---|
| Climeworks | Solid sorbent & low-temperature heat | Commercial deployment, brand recognition, long-term storage partnerships. |
| RepAir | Electrochemical membrane | Purely electrical process, no heat input required. |
| AirMyne | Liquid sorbent & low-grade heat | Use of abundant materials like calcium. |
| Yama Carbon | Hybrid electrochemical (electrodialysis) & low-grade heat | Leveraging existing water treatment supply chains for core components. |
The founder's broader calculus
The company is led by solo founder Yama Saraj, an entrepreneur and self-described 'social hacktivist' born in Afghanistan and raised in the Netherlands [Startups Without Borders, retrieved 2024]. His public narrative ties the climate mission to a focus on diversity in the French tech ecosystem and development in Afghanistan [Life Line, retrieved 2026]. While the technical team includes at least one PhD in CO2 electrolysis [Deep Sky, retrieved 2026], the venture-scale hardware bet rests on a relatively lean structure. The company has participated in accelerators like Third Derivative and Remove, and a $3 million seed round was reported in July 2024 [Crunchbase, 2024-07-07].
Where the theory meets the air
The bet is elegant, but the path is lined with hard, physical questions. The competitive field is crowded with well-funded players pursuing different thermodynamic pathways. Yama's advantages,supply chain use and design for deployability,are only advantages if they translate into lower levelized cost per tonne captured. The company must now prove its systems work reliably at the pilot scale and that its cost projections hold when scaling by a factor of a hundred. The risks are not unique to Yama but are inherent to the DAC category:
- Energy intensity. Even a 30% reduction still requires a massive, dedicated source of renewable electricity and heat to be truly carbon-negative.
- Customer adoption. The offtake market for durable removals is still nascent and premium-priced; convincing industrial hosts to provide space and heat is a separate sales motion.
- Execution scale. Building a 50,000-tonne plant is a major civil and industrial engineering project, a different game from pilot deployment.
The math, however, frames the opportunity. If Yama's hybrid process hits its targets, the energy required per tonne could drop toward the 1,500 kWh range (estimated). For a 5,000-tonne plant, that's about 7.5 gigawatt-hours of mostly low-grade heat and electricity per year. That's equivalent to the annual output of a single large wind turbine. The real test isn't the chemistry on a datasheet; it's whether the company can out-deploy and out-economize the current DAC leader, Climeworks, by turning the water treatment industry into its de facto manufacturing arm.