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


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

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

Sometimes, the expertise is a large-scale affair. In any case, the world must get rid of emissions on an unlimited scale, and the expertise advantages from a specific amount of scale. That’s why CCS is normally envisioned connected to huge coal- or gas-fired energy vegetation. 

However there are nonetheless many smaller websites, from cement kilns to chemical vegetation, which can be at the moment 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 help polluters cope with their carbon emissions incrementally as laws ratchet up.

Basically, Carbon Clear depends on a tried-and-true course of to strip carbon dioxide from exhaust streams. Exhaust containing carbon dioxide is shipped by means 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 range, however that’s the gist of it.

Carbon Clear CEO Aniruddha Sharma stated 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 knowledge, such claims will likely be onerous to evaluate. However based mostly on the common sort of amine it’s utilizing, Carbon Clear is more likely to see at the very least a small enchancment in vitality use.

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