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CARBON WORLDS
World's largest plant capturing CO2 from air starts up in Iceland
by AFP Staff Writers
Reykjavik (AFP) Sept 8, 2021

The world's largest plant designed to suck carbon dioxide out of the air and turning it into rock started running on Wednesday, the companies behind the plant said.

The plant, named Orca, after the Icelandic word "orka" meaning "energy", consists of four units, each made up of two metal boxes, similar in appearance to the containers used for maritime transport.

Constructed by Switzerland's Climeworks and Iceland's Carbfix, when operating at capacity the plant will draw 4,000 tonnes of carbon dioxide (CO2) out of the air every year, according to the companies.

According to the US Environmental Protection Agency (EPA), that equates to the emissions from about 870 cars.

To collect the carbon dioxide, the plant uses fans to draw air into a collector, which has a filter material inside.

Once the filter material is filled with CO2, the collector is closed and the temperature is raised to release the CO2 from the material after which the highly concentrated gas can be collected.

The CO2 is then mixed with the water before being injected at a depth of 1,000 metres into the nearby basalt rock where it is petrified.

Proponents of so called carbon capture and storage (CCS) believe these technologies can become a major tool in the fight against climate change.

Critics however argue that the technology is still prohibitively expensive and might take decades to operate at scale.


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CARBON WORLDS
Making catalytic surfaces more active to help decarbonize fuels and chemicals
Boston MA (SPX) Sep 08, 2021
Electrochemical reactions that are accelerated using catalysts lie at the heart of many processes for making and using fuels, chemicals, and materials - including storing electricity from renewable energy sources in chemical bonds, an important capability for decarbonizing transportation fuels. Now, research at MIT could open the door to ways of making certain catalysts more active, and thus enhancing the efficiency of such processes. A new production process yielded catalysts that increased the e ... read more

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