Drilling has begun to see if rock 800 metres under the Central Coast can handle having thousands of tonnes of liquefied carbon dioxide pumped into it each week. The site is close to Delta Electricity’s Munmorah coal-fired power station near Lake Macquarie, and also at three other points in the state’s north
They are working to find if carbon dioxide fumes from power stations can be compressed and cooled on-site before being buried and whether it will work on a large scale in Australia.
Most environmental groups and some in the coal industry doubt whether it can become effective in time to help slow climate change.
The amount captured and stored at Munmorah is initially to be small – 3000 tonnes of carbon dioxide a year, a tiny fraction of the power station’s emissions. But the aim is to capture 100,000 tonnes a year by 2013.
If the chosen test site at Munmorah is not found to be suitable then other sites, perhaps the Mount Piper power station near Lithgow – would be immediately investigated, Minister Macdonald told the Herald newspaper.
If no geological sites can be found near existing power stations, the Government would consider contributing funds to build a vast network of pipelines. There are problems with piping CO2 because when it mixes with moisture, it forms carbonic acid which is more corrosive than gases that are currently piped.
Environmentalists say the expense of carbon capture and storage would take money away from the development of renewable energy. They feel it is the coal industry is trying to create the appearance that it is doing something about climate change, while fighting tooth and nail to keep themselves in business.
My take on this is that too many people in the world are currently using coal as an energy source and while I would love to see it all left in the ground worldwide, I recognise this is not going to happen, especially in China. Trying to ban coal use altogether would be an exercise in futility. It would be like swimming directly against a rip instead of trying to go with the flow but work sideways. Swimming against a rip results in drowning! Taking on things that “aint gonna happen” is just as stupid. Work with them to reduce the harm is the sensible way to go.
The mining and use of Australian coal is less environmentally damaging for the planet than with the much lower quality and lesser environmental control of Chinese coal. If we can sell the coal together with the technology to use it with fewer emissions, this would be a better outcome.
I believe this should not take from the renewable sector because there should be a 10% levy on coal which is 100% pumped back into clean coal technology. The industry should pay for this research itself.
Technorati Tags: Carbon capture, Clean coal, Coal, Emissions, Environment
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