Thursday, 21 June, 2018

Breakthrough on scrubbing Carbon dioxide from atmosphere

Maybe we can afford to suck CO2 out of the sky after all B.C. start-up says it can slash carbon-capture costs, replace gasoline at competitive price
Frank Williams | 10 June, 2018, 19:56

IMAGINE DRIVING UP to your local gas station and being able to choose between regular, premium, or carbon-free gasoline.

"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 decarbonise the transportation sector", said lead author David Keith, founder and chief scientist of Carbon Engineering and professor of applied physics and public policy at Harvard University.

"This isn't going to save the world from the impacts of climate change, but it's going to be a big step on the path to a low-carbon economy", said David Keith, a Harvard Professor of Applied Physics and founder of Carbon Engineering.

Scientists from Harvard University in the United States and Carbon Engineering, a Canadian CO2-capture and clean fuels enterprise, is already achieving both CO2 capture and fuel generation.

Carbon Engineering plans to combine the carbon captured at its plants with hydrogen to produce carbon-neutral synthetic fuels, a process the pilot facility has already been performing. That was far too much to be useful in sucking large amounts of Carbon dioxide out of the atmosphere. We ask that any comments by climate-change denialists be flagged for moderation. But such technology is expensive-about $600 per ton of CO2, by one recent estimate.

Carbon EngineeringRecycling the carbon dioxide emitted into the atmosphere by turning it back into fuel would help slow the process of global warming.

Direct air capture technology works nearly exactly like it sounds. CE has a pilot plant in Squamish, British Columbia, which has been removing Carbon dioxide from the atmosphere since 2015. The resulting synthetic fuel can be blended or used on its own as gasoline, diesel, or jet fuel. It emits the same amount of Carbon dioxide that went into making it when it's burned and it all costs around $100 per ton. The NREL's cost for that much hydrogen comes to $225 plus the $94 to capture the carbon dioxide.

Carbon Engineering (CE) uses banks of fans to capture air as part of a process to capture carbon dioxide.

Maybe we can afford to suck CO2 out of the sky after all

Climeworks, a Swiss company, recently designed a technological device to absorb carbon and supply it to a greenhouse, thus fertilizing vegetables.

Until now, the cost of climate change has been all about projections.

"I'm excited by the project".

Professor Keith and his colleagues have implemented one of the first scalable and cost-effective working systems for direct air capture.

Carbon Engineering, which has financial backing from the likes of Bill Gates, has been striving to find a way to artificially remove CO2 from the atmosphere in vast quantities. "They like the investment proposition of taking that now very-low-value wind power, and doing a high capital cost investment in us to make this fuel that's a very high-value fuel. That seems like a lot, but today's airline industry is larger", Lackner said.

In an interview with The Atlantic, Keith said he is now looking for additional funding to set up an industrial grade plant that could be up and running by 2021. The company is also looking to license their technology. Since its components are off the rack, it should be easy to scale up, Oldham said. And a license to their tech.

Second, the now-watery liquid (containing carbon dioxide) is brought into the factory, where it undergoes a series of chemical reactions to separate the base from the acid.

Trump’s ultimatum to G7 partners: Lift tariffs on USA goods
The president said he is still prepping for his summit with Kim Jong Un , even during his trip to Canada. Mr Trump and G7 leaders had a bitter exchange over trade tariffs, ratcheting tensions at the summit.

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