Sources: Skyonic Corp., Austin, Texas; CP staff
Construction at Capitol Aggregates’ cement mill outside San Antonio, Texas, is nearing on a facility to capture 83,000 tons of carbon dioxide and offset an additional 220,000 tons of the gas annually once the equipment is operational in 2014. Skyonic’s electrolytic carbon capture technology, SkyMine, will selectively remove CO2, acid gases and heavy metals emitted from the cement plant’s flue gas streams and recycle it into hydrochloric acid, sodium bicarbonate and other byproducts. Skyonic estimates the Capitol Aggregates installation will capture CO2 at a substantially lower cost than competitive technologies.
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