QR.bizNewsCarbon utilization bill could create value for CO2 emissions

Carbon utilization bill could create value for CO2 emissions

To start with, the facility uses a liquid hydroxide solution to capture the CO2, and convert it into a carbonate. A renewable energy-powered electrolyzer first splits water into hydrogen (H2) and oxygen. "This opens up the possibility that we could stabilize the climate for affordable amounts of money without changing the entire energy system or changing everyone's behavior".

David Keith, a professor of physics at Harvard University and the founder of the company who led the study, said the cost is much lower than the previous estimates of about Dollars 600 per tonne identified by the American Physical Society.

The idea of direct air capture isn't new (the pilot itself has been running since 2015), but the successful implementation of Carbon Engineering's working plant is.

Through heating and a handful of familiar chemical reactions, that same carbon dioxide is re-extracted and ready for further use -as a carbon source for making valuable chemicals like fuels, or for storage via a sequestration strategy of choice. "We now have the data and engineering to prove that DAC can achieve costs below $100 per ton".

"The carbon dioxide generated via direct air capture can be combined with sequestration for carbon removal, or it can enable the production of carbon-neutral hydrocarbons, which is a way to take low-priced carbon-free power sources like solar or wind and channel them into fuels that can be used to decarbonize the transportation sector".

But such technology is expensive-about $600 per ton of CO2, by one recent estimate.

As the resulting fuels are compatible with existing distribution and transportation infrastructure, the company believes they are a promising route for reducing carbon emissions in heavy transportation and other sectors of the energy system that are hard to electrify.

Having delivered the proof of concept and demonstrated the scalability and affordability of such a system, Keith feels positive about the future of Carbon Engineering's technology. Following that, several tech firms have built prototypes of devices that will remove carbon from the air.

"Direct air capture technology offers a highly-scalable pathway to removing carbon from the atmosphere", said Noah Deich, the executive director of the Center for Carbon Removal. The CO2 is either used in innovative industrial processes or sequestered underground.

According to Crabtree, there are three ethanol operations in the US that are already capturing their Carbon dioxide and storing it geologically.

CE has developed and demonstrated the most cost-effective, scalable technology for removing Carbon dioxide directly from the atmosphere.

Long-distance transportation would welcome such fuel, suggested Keith. CE has a pilot plant in Squamish, British Columbia, which has been removing Carbon dioxide from the atmosphere since 2015.

'I hope to show that this as a viable energy industrial technology, not something that is a magic bullet. but something that is completely doable, ' he told Reuters of the peer-reviewed study published in the journal Joule. If the CO2 is captured at the low end of the cost range, the company says can produce its synthetic fuels for about $1 per liter, says Steve Oldham, Carbon Engineering's CEO. David Keith in a statement. Most of the funding for the work came from funds CE raised from its investors.

Carbon Engineering's equipment pulls carbon dioxide out of the atmosphere at a test plant in British Columbia.

Proposed Air Contactor

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