Wednesday, 23 May 2012
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Green Government, Policy
Queensland pilots clean coal burning
A pilot programme in the Australian state of Queensland aims to burn coal more cleanly by capturing and storing carbon dioxide. This demonstration plant is the first of its kind to burn coal in oxygen instead of air.
“The goal is to show that existing coal-burning power plants can be refitted, and over the next four years the technology will be developed further,” Geoff Wilson Queensland’s Mines and Energy Minister said.
The system burns coal in pure oxygen, making it easier for the capture of carbon dioxide which is then liquefied and buried deep underground in a process known as geo-sequestration. Wilson adds, “What is being done different here is that instead of burning the coal in air, it is being burnt in pure oxygen so that the amount of carbon emitted from the coal-fired process is significantly reduced, therefore making it easier to capture with ancillary technology the carbon produced and then to safely store it.”
Australian and Japanese companies both have invested along with funding from the Canberra government.
It has been suggested by the International Energy Agency that clean coal burning could reduce greenhouse gas emissions by 25 per cent to 28 per cent.
The US$128 million Callide Oxyfuel Project, outside Biloela in central Queensland, will begin the first stage this week with the refurbishment work to begin on the old plant.
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