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posted by janrinok on Sunday September 15 2019, @07:42AM   Printer-friendly
from the ziggy-approves dept.

Small nuclear towers several stories high and 100 meters wide are being considered as an option to replace coal as Australia's energy plans for the future are reviewed. The design is based on nuclear plants used in submarines but with the prime minister of Australia labelling the idea as being 'loopy' it may not get off the ground.

Dr Ziggy Switkowski, former chair of the Australian Nuclear Science and Technology Organisation, told a parliamentary inquiry hearing on August 29 in Sydney that small modular reactors could have a role in powering small towns with populations of about 100,000 to support mining sites and desalination plants.

"On paper, they look terrific," Dr Switkowski said. "They are small and they can be built subsurface. They can be gas cooled, so the demand for water cooling is reduced.

"The nuclear fuel rods are designed as a nuclear battery that needs to be replaced perhaps only every 10 years or so, and the level of radioactive by-product is low."

Dr Switkowski said the capital cost was much lower than the cost of large-scale nuclear.

"All of that, to me, is irresistibly attractive. And the technology starts with proven applications such as nuclear submarines, although obviously there are differences to that," he said.

However, Dr Switkowski said it could take five to 10 years for enough reactors to be rolled out so Australia can assess their feasibility and whether it can make them work.


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