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Furno bets that super-efficient, modular kilns will turn the cement industry upside down
The cement startup promises to slash carbon emissions in the process, helping the company raise a $6.5 million seed round.
If that doesn’t sound like a lot, consider that last year the world made about 4.2 billion metric tons of cement, an amount so large that it’s responsible for about 8% of all carbon pollution. Many developing countries aren’t able to finance a new plant or entice a company to build one, so they end up importing cement, paying dearly in the process. By varying the amount of gas and oxygen flowing through the column, Furno is able to control where the flame occurs inside, ensuring that more of the heat powers the calcination process instead of escaping the kiln.
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