Can carbon seize startup Carbon Clear ship on its price claims?

Startup Carbon Clear announced earlier this week that it raised $150 million in a Collection C that gives it with a large battle chest to proceed the event of its modular carbon seize system.

Carbon Clear has received its share of admirers, most lately Chevron, which led the spherical, and BloombergNEF, which named it a BNEF Pioneer final month partly due to the startup’s small-scale method to carbon seize and sequestration (CCS). 

Sometimes, the know-how is a large-scale affair. In any case, the world must eradicate emissions on an enormous scale, and the know-how advantages from a specific amount of scale. That’s why CCS is often envisioned hooked up to large coal- or gas-fired energy crops. 

However there are nonetheless many smaller websites, from cement kilns to chemical crops, which can be at present wedded to fossil fuels however nonetheless should be decarbonized. These are the kinds of firms that Carbon Clear pitches itself to, and the startup says that its modular method may also help polluters take care of their carbon emissions incrementally as laws ratchet up.

Essentially, Carbon Clear depends on a tried-and-true course of to strip carbon dioxide from exhaust streams. Exhaust containing carbon dioxide is distributed by way of a filter that’s wetted with an amine-based solvent. At decrease temperatures (round 50 levels Celsius, or 122 levels Fahrenheit), carbon dioxide will bind to the amines. The CO2-laden solvent is then pumped to a different container, the place it’s heated to 110 to 120 levels C (230 to 248 levels F) to launch the fuel, which is then compressed and despatched elsewhere for use or saved. Every firm has its personal amine solvent with completely different properties, and the main points of the method could differ, however that’s the gist of it.

Carbon Clear CEO Aniruddha Sharma mentioned his firm’s amine solvents can scale back prices in contrast with a generally used amine by requiring much less vitality to warmth and by lowering corrosion within the system. Till the corporate releases extra information, such claims can be onerous to evaluate. However primarily based on the general type of amine it’s using, Carbon Clear is prone to see at least a small improvement in vitality use.


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