Calgary company can capture Carbon dioxide at a cost of $94 per ton

Calgary company can capture Carbon dioxide at a cost of $94 per ton

But, what if we say there is a way to reverse the process by capturing the gas straight out of the sky and converting it into low carbon fuel? The resulting fuel could be made at a relatively low cost of just USD$1 per litre.

The pilot plant is made up of an industrial cooling tower, remodeled to pull Carbon dioxide from the air before converting it from a gas to a solid and back to a purified gas.

A previous study carried out by the American Physical Society in 2011suggested that the cost per tonne of direct air capture would be around $600.

Storing of Carbon or sequestration has been in seen as one of the possible solutions which help in rising in atmospheric carbon dioxide.

"If these aren't renewable fuels, what are?" said David Keith, professor of applied physics at Harvard University, lead author of the paper and principal in Carbon Engineering.

A British Columbia start-up funded by Bill Gates says it can capture carbon dioxide from the atmosphere for less than $100 (U.S.) per tonne and produce a low-carbon transportation fuel that can replace traditional gasoline at a competitive cost.

This technology could be a way to clean the air by reusing the carbon dioxide from the air and not extracting it from the ground.

The plant draws in air, Carbon dioxide being scrubbed out and eventually combined with hydrogen to form a variety of different liquid fuels. "This is real", he said.

In 2011, a pair of influential papers all but sounded the death knell for direct air capture, concluding that the approach would cost almost an order of magnitude more than capturing the greenhouse gas from power-plant stacks. Scientists in a new study found a way to keep costs down and achieve the same goals in the future.

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The plant has been operational since 2015, and it began converting its captured carbon dioxide into fuels late past year.

They say, if their technique is successfully implemented at scale, it could reverse the problem of climate change and give humanity a decisive new tool in the race against a warming planet. "I still think a final number could be several times as much". The crucial CO2-capturing chemical is recycled.

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.

Hundreds of years of carbon emissions from human activities can provide an essentially unlimited stock of CO2 to be transformed into new fuels, including gasoline, diesel, and jet fuel.

Following successful tests at the pilot plant, Carbon Engineering is now planning to build a larger facility to sell fuels.

Carbon Engineering's next step is to build a full-scale plant. And a spokesman for the firm said it can readily scale up using off-the-rack hardware, The downside is that the plant is now using some natural gas for power, but the goal is to switch to renewable electricity. This unit would be one of several that would collectively capture 1M tons of Carbon dioxide per year.

Scientists have always been skeptical towards the technological advances allowing for carbon emissions and thus climate change to be reduced. After 3 years, Keith and his colleagues had collected enough data to calculate the plant's efficiency-and project the costs of building a commercial scale plant with the same technology.

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.

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