Energy From Thorium Discussion Forum

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PostPosted: Aug 22, 2012 12:52 am 
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Agreed that buffer salt is an attractive idea for both salt cooled and salt fueled reactors.
I was fishing for things that should be incorporated into the salt cooled design to facilitate upgrading to salt fueled with as little rework as possible.


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PostPosted: Aug 22, 2012 5:41 am 
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Nathan2go wrote:
The use of large amounts of buffer salt also improves the energy efficiency when a passive, always-on, shutdown cooling system is used. This is because the buffer absorbs several hours worth of shutdown heat, so the cooling system doesn't need to remove as much heat (1% of full power at 2.2 hours, 0.5% at 22 hours).


I've suggested to allow a fairly large amount of heat to pass through the vessel into the buffer salt, and then use seperate buffer salt heat exchangers to keep the buffer salt temperature down. This way the heat is exchanged faster during transients (station blackout, loss of flow) while the heat loss is kept to a minimum in normal operation, without using any sort of mechanical device or thin pipes with salt to achieve it (for safety it doesn't matter whether the buffer salt HX is working or not).


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PostPosted: Dec 21, 2013 11:46 am 
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Reuters: Special Report: The U.S. government lab behind China's nuclear power push


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PostPosted: Dec 21, 2013 2:45 pm 
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Kirk Sorensen wrote:


This is good news for the long-term prospects of nuclear energy.

Too bad a communist nation has to take the lead on this crucial technology.


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PostPosted: Jan 11, 2014 10:18 pm 
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China establishes advanced science research centers

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China has begun establishing five innovation centers that will unite the country's leading talents for research in advanced science and technology fields, according to the Chinese Academy of Sciences (CAS).

The five centers focus on the fields of quantum information and technology, Tibet plateau and Earth system science, particle physics, brain science and thorium molten salt reactors, CAS president Bai Chunli said Thursday at a meeting.


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PostPosted: Jan 13, 2014 1:17 am 
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The Chinese are a major chunk of world population. It would be surprising if they did not.
They are burning half the coal in the world and need some smokeless power.
They cannot miss any chances.


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PostPosted: Feb 22, 2014 8:03 pm 
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Jiang Zemin's son named head of new ShanghaiTech University

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The People's Daily reported yesterday that Jiang Mianheng, who turns 62 this year, will head the small-scale research institution, which opened its doors in Shanghai in September.

The university was established jointly by the Shanghai municipal government and the Chinese Academy of Sciences (CAS), in which Jiang served as vice-president from 1999 to 2011.

ShanghaiTech opened applications for 200 undergraduate places on Thursday, and plans to enrol 2,000 undergraduate students and 4,000 graduate students in the short term.


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PostPosted: Feb 25, 2014 11:01 am 
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Interpreting Jiang Mianheng’s Appearance As University President In The Party Media
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Chinese senior legal expert Zhao Yuanming pointed out that Jiang Mianheng’s appearance is similar to the Bo Xilai appearance or Zhou Yongkang’s appearance at University of Petroleum last October. It proves that he is in a desperate position.

"It is actually to show the public that this person is still alive. They made a footnote to pursue responsibility in graft later. His appearance is just like Zhou Yongkang’s showing up before being taken care of. This is actually Xi and Li’s customary practice.”

Nicknamed "China's first greedy" by the Chinese people, Jiang Mianheng is involved in multiple shocking international corruption cases.

To protect his son, Jiang Zemin not only praised Xi Jinping in a high-profile manner, but made an exchange using Zhou Yongkang to avoid his son being affected by the anti-corruption movement.


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PostPosted: Mar 10, 2014 5:16 pm 
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As to who builds the world's first 1000MW LFTR, I think the quote is "we do not care if the cat is black or white as long as it catches mice."


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PostPosted: Mar 10, 2014 7:34 pm 
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For the start, however, it will have to be a small or medium plant. Indians are building a fast reactor with thorium in the blanket to produce U-233 for thorium fueled reactors but have jumped only to 500MW. So will China, I think.


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PostPosted: Mar 15, 2014 8:14 pm 
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'Princeling' named head of new Shanghai university

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Jiang Mianheng, son of China's former president Jiang Zemin, has been named head of ShanghaiTech University - a new university modelled on the California Institute of Technology in the United States. But the appointment has raised eyebrows in some academic circles and prompted questions around how university presidents are appointed.


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PostPosted: Mar 16, 2014 3:32 am 
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http://www.timescolonist.com/cmlink/gmg ... r-1.897197
The US has an obstructive NRC with the heads holding views like this. China can surely be expected to overtake it in the MSR or other nuclear technology. They are already the biggest energy consumers and biggest nuclear builders.


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PostPosted: Mar 18, 2014 1:01 pm 
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Chinese scientists urged to develop new thorium nuclear reactors by 2024

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A team of scientists in Shanghai had originally been given 25 years to try to develop the world's first nuclear plant using the radioactive element thorium as fuel rather than uranium, but they have now been told they have 10, the researchers said.


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PostPosted: Mar 19, 2014 1:26 am 
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Kirk Sorensen wrote:
Chinese scientists urged to develop new thorium nuclear reactors by 2024

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A team of scientists in Shanghai had originally been given 25 years to try to develop the world's first nuclear plant using the radioactive element thorium as fuel rather than uranium, but they have now been told they have 10, the researchers said.

Any MSR design including the LFTR may require a lot of development and the Chinese may be running a crash program. That is no reason why the LWR's should not be weaned to Th-Pu fuel using the Pu recovered by reprocessing. The possible benefits are
1. High burn up fuel reducing fuel and operating costs.
2. Beneficial use of all surplus concentrated fissiles including the reprocessed plutonium.
3. Creation of superior fissile U-233 in the used fuel.
4. Partial energy from Thorium reducing dependence on uranium mining.
Recovered U-233 could possibly be used in MSR's (incl LFTR) with easily available NaF-ZrF4 salt used in the ARE.


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PostPosted: Mar 19, 2014 1:39 am 
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Wouldn't it be cheaper to just enrich NatU to 20% and then dilute it back to normal LWR fuel concentrations with thorium?


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