"I don't know why you picked this commentary,which is at least partially very opinionated and also wrong"
I'm not usually a buyer of Murdochs pulp fiction and so I dont hold his material up as authoritive sources, but the article is quoting current government politicians and reviews that have confirmed most of our existing heavily subsidised programs are simply window dressing and costly ways to achieve abatement. - on that basis I consider it is very CORRECT.
Of course one mans "freedom fighter" is another mans "terrorist" and so if you dont like his views you dont value his opinion, but thats actually not a very wise way to debate or argue.
"First to the commentary, just one example: " ... feed-in tariffs, a classic rort. They are applied to a better or worse (usually worse) extent in most states and function as a regressive tax ..." How is the feed-in tariff a tax? Seems when somebody want to make a point in Australia he is using the t-word."
The Premium Feed in Tariffs are a Rort, especially the recently closed NSW 60c Gross Feed in Tariff - it will become an environmental, economics and political science case study in Australian universities for years to come.
It is a regressive tax or more correctly a fixed levy on all other customers, its certainly not a progressive tax (income tax is progressive because the more you earn the more tax you pay, same with GST.
In NSW IPART will soon identify that all residential customers are subsidising PFIT payments to the tune of @$30 per annum for the life of the payments.
"You must not have heard yet about wind power, geothermal energy or the various kinds of solar energy. There are also fully costed versions on the transitions to renewable electricity generation http://www.beyondzeroemissions.org/zero-carbon-australia-2020"
Yes I am in the industry, I have heard a "little bit", I was actively involved in geothermal energy arising from South Australia back in 1996, (its still not delivered) and yes I have read this theoretical work, I have had direct involvement in large scale wind farms in Victoria and wind is not the answer and never will be, and geothermal is not yet delivering and mass solar offers much promise but is yet to deliver in Australia so none of what this report proposes is off the shelf ready to go, its headline costs are likely to encourage a far bigger scaremonger from Abbott than the Carbon Tax and NBN ever will.
So other than throwing google search links at me, whats your source of expertise?
"Thorium nuclear plants already in operation provide an example of the future." Can you show to a single thorium power plant producing power? There are a few lab set-ups showing parts of the whole system. Full systems exist on paper only.
Why side track another pile of money (which is never mentioned by nuclear proponents) into another nuclear adventure when alternatives like solar and wind are cheaper and can be deployed much faster."
???? Where do you get your information from - the back of a CornFlakes pack?
There have been 300MW Thorium reactors running in each of Germany, USA and India, hardly a "few lab" setups???
"Power reactors
Much experience has been gained in thorium-based fuel in power reactors around the world, some using high-enriched uranium (HEU) as the main fuel:
The 300 MWe THTR (Thorium High Temperature Reactor) reactor in Germany was developed from the AVR and operated between 1983 and 1989 with 674,000 pebbles, over half containing Th/HEU fuel (the rest graphite moderator and some neutron absorbers). These were continuously recycled on load and on average the fuel passed six times through the core.
The Fort St Vrain reactor was the only commercial thorium-fuelled nuclear plant in the USA, also developed from the AVR in Germany, and operated 1976-1989. It was a high-temperature (700°C), graphite-moderated, helium-cooled reactor with a Th/HEU fuel designed to operate at 842 MWth (330 MWe). The fuel was in microspheres of thorium carbide and Th/U-235 carbide coated with silicon oxide and pyrolytic carbon to retain fission products. It was arranged in hexagonal columns ('prisms') rather than as pebbles. Almost 25 tonnes of thorium was used in fuel for the reactor, and this achieved 170,000 MWd/t burn-up.
Thorium-based fuel for PWRs was investigated at the Shippingport reactor in the USA (discussed in the section below on the Light Water Breeder Reactor).
In India, thorium has been used for power flattening in the initial cores of the two Kakrapar pressurised heavy water reactors (PHWRs).
The 60 MWe Lingen Boiling Water Reactor (BWR) in Germany utilised Th/Pu-based fuel test elements. "
The Thorium plants were pushed aside due to the abundance of Uranium technology and fuel sources, and for most of the world including Australia, "the ability to continue to dig up dirt and burn it", not because they dont work, India, who has a large portion of the worlds holdings of Thorium are continuing to develop their designs, here is some introductory reading for you.
http://en.wikipedia.org/wiki/Thorium_fuel_cycle
http://en.wikipedia.org/wiki/Thorium
http://www.cosmosmagazine.com/node/348
The above are "lite reading", here is something more authorative
http://www.world-nuclear.org/info/inf62.html
regards
Sojin Muneshi
Posted Sunday 10 Apr 2011 @ 4:33:56 am from IP
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