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Australian scientists say a successful trial to bury greenhouse gas emissions in south-west Victoria shows the technology is viable.
The process, called geosequestration, is also known as CCS, carbon capture and storage.
If it works, it will stop millions of tonnes of CO2 being released into the atmosphere from coal-fired power stations.
Almost 50,000 tonnes of carbon dioxide was pumped into reservoirs underground in Otway Basin sandstone.
The head of the Co-operative Research Centre for CO2, Peter Cook, says none of the gas has escaped.
“The rocks have behaved exactly as was anticipated, the carbon dioxide has behaved as anticipated and everything’s gone very well,” he says.
“So we’ve had a remarkably trouble-free go with this, which is what we hoped would be the outcome, so it gives us a great deal of confidence in this technology.”
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