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6 Things to do with Nuclear Waste: None of them Ideal

High-level radioactive or nuclear waste is “spent” uranium fuel used in nuclear reactors. This spent fuel is thermally hot and highly radioactive, usually in the form of uranium 235 contained in ceramic pellets inside metal rods. What do we do with this spent fuel? Right now, nothing really, presumably we are waiting for a future generation to figure out where to safely store it all. It will only be rendered harmless through a process of decay that can take thousands of years. The US, which had over 72,000 tons of nuclear waste as of 2011, has no long-term facility for storing high-level nuclear waste. The interim answer is either to store this spent fuel in water-cooled pools on the site of the reactor, or to transfer it temporarily to dry casks. With the exception of the expensive endeavor of reprocessing this spent fuel to extract plutonium for commercial use, there is no known alternative to burying nuclear waste in massive underground facilities, which currently do not exist. Throwing it in the Ocean is clearly not recommended, though that hasn’t stopped governments in the past. Here’s what we’re doing with it now:    

Temporary Spent Fuel Pools

Much of the US’ nuclear waste is being stored in large water-cooled pools onsite at nuclear power plants. This is not the safest method: The release of radiation at Japan’s Fukushima plant came from fuel stored in pools. This poses a particular problem for the state of Minnesota, where nuclear power plants were not designed to take on nuclear waste storage. Designers were banking on the construction of a large long-term nuclear waste storage facility at Yucca Mountain, Nevada, which never materialized due to fears of ground-water contamination.

Temporary Dry Cask Storage

In some cases, after waste is cooled in spent fuel pools it is transferred and sealed dry casks, which are steel and concrete containers. The problem is that dry-casking is much more expensive than pool storage, but it is also much safer. Dry casks are much less vulnerable to fire, flooding, earthquakes or other machinations of Mother Nature. Scientists say they have never leaked radiation.

Long-Term Burial

The US Department of Energy is constructing a $12.2 billion facility to process excess radioactive waste. The biggest question on everyone’s mind, of course—is it safe? Well, Energy Secretary Steven Chu, who visited the construction site in Hanford, Washington, last week, isn’t entirely convinced. He and a panel of experts are reviewing the safety of the waste storage rooms at the massive 65-acre site. This has not gotten off to a brilliant start at the site (incidentally, where the US used to produce plutonium for atomic weapons, rendering Hanford one of the most toxic areas in the country).  Reviewers found leaks of radioactive material in the walls of one of the newer storage tanks and threaten to run into the Columbia River. In August, a DOE official brought up concerns about the company contracted to lead the design of the facility, Bechtel National Inc., saying it was incompetent in comparison to the task at hand. The plant is scheduled to be completed by 2022 and to store some 56 million gallons of radioactive and chemical waste for a period of 40 years, at which time it will be shut down. Then what? The Nuclear Regulatory Commission allows spent nuclear fuel to be stored at reactor sites for up to 60 years after the plant shuts down. Presumably another generation will be able to figure out what to do with all that radioactive waste.

Constructing a long-term storage facility for radioactive waste is an exercise in clever public relations and subtle politics. There must also be a trade-off for the community. The Yucca Mountain nuclear waste storage facility never got off the ground because it failed on a public relations level and was allowed to become an election campaign tool. The federal government forced the facility on the state of Nevada, against strong objections from within the state. Nevada fought back politically and the Obama administration was eventually forced to scrap the project altogether in 2010. It was a battle that lasted for over two decades.

Reprocessing for Plutonium

In terms of energy, reprocessing fuel for plutonium is rather efficient as it effectively uses fuel twice. It is not economical, however, and the process itself is very expensive. Additionally, there are some safety issues in that plutonium renders fuel from a reactor hotter and negatively affects the capacity of spent fuel pools. With plutonium, there are also greater risks of contamination.

Powering Spacecraft

The European Space Agency is piloting a £1 million program to use civil plutonium for nuclear batteries to power ships on deep space missions.

Britain’s nuclear waste could be used to power spacecraft as part of government attempts to offset the huge cost of the atomic clean-up by finding commercial uses for the world’s largest stock of civil plutonium. The UK, which has the world’s largest stock of civil plutonium, is the focus of these efforts. The Sellafield waste facility ponds contain some 100 tons of plutonium. Nuclear batteries can be made from an isotope (americium-241) in decaying plutonium at the UK’s Sellafield waste storage site. The UK is also eyeing the possible export of its plutonium stores to the US, which can produce plutonium-238 (which can be replaced by americium-241) only in nuclear weapons-grade reactors. Without a commercial use for the UK’s plutonium, it will cost the government an estimated £4 billion to clean up.

Of course, this does little to resolve the nuclear waste problem and space batteries alone will hardly scratch the surface of the disposal problem.

Dumping it in the Sea

Out of site out of mind. This is what the Soviets did with their decommissioned nuclear reactors and radioactive waste, massive amounts of which are now sitting at the bottom of the Kara Sea in the Arctic Ocean. To wit, some 17,000 containers of radioactive waste, 19 ships with radioactive waste, 14 decommissioned nuclear reactors, a nuclear submarine and a host of other nefarious materials. If the nuclear reactors from the sunken submarine explode under water, the consequences would be unspeakable. Regardless, decontaminating the sea will be challenging at best. This nuclear waste will also prove a major hindrance in Russia’s efforts to explore for oil in the Arctic Ocean, which is exactly why this story—an old story from the late 1990s—is now resurfacing. The Russian’s want help cleaning it up so they can get to the Arctic oil. The Soviets, of course, were not the only ones to dump oil in the world’s bodies of water: The French, British and Americans have done so as well in the past.

By. Jen Alic of Oilprice.com

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  • Leslie Corrice on September 13 2012 said:
    None of the possible nuclear waste options are ideal to you. Very convenient. I'm sure the Oil community wants everyone to believe it. It's good for business. Here's my question...what do you mean by "ideal"?
  • George on September 13 2012 said:
    The radiation released from the accident at Fukushima was not from the spent fuel in the pool.

    Since the cooling loop had stopped, the cooling water in the reactor flashed to steam. Steam has a strong reaction with the zircaloy cladding used on fuel rods which produces hydrogen. Since hydrogen gas is so combustible, the reactor has a system to vent it. Since the core was beginning to melt, the fuel rods were failing and releasing volatile fission products. When the hydrogen was vented, these fission products escaped out of the reactor and into the environment.

    This hydrogen was released into the building above the reactor containment building and not to the outside air. It collected there and finally exploded once an ignition source presented itself. This was due to poor venting techniques and occurred outside of the containment structure.
  • George Lerner on September 13 2012 said:
    There is another possibility you did not mention, a way of eliminating nuclear waste: fission it!

    Very few people realize it, but there are other types of nuclear reactors than we've been using. We've only used light water reactors (LWR) for political reasons from decades ago, but our priorities have changed since then.

    In LWR, fission byproducts absorb neutrons stopping fission; fuel rods get damaged by radiation; only ~1% of fuel fissions.

    Molten Salt Reactors, e.g. LFTR, use molten uranium in a molten salt coolant, and fission byproducts are easily removed; over 99% of the fuel fissions.

    We successfully operated one for 5 years, decades ago. If we completed development of these reactors, they would exceed environmental standards for radioactive contamination, for reduction of existing nuclear waste, for reducing global warming pollution. They would provide low-pollution base-load power supplementing solar and wind power, getting us off coal/oil sooner. (I know, the oil and coal industries don't want that...)

    Molten-salt reactors use a special salt for coolant. The coolant won't boil, so there's no high pressure, no risk of "loss of coolant accidents", no risk of steam or hydrogen explosions. This is inherently much safer, eliminating almost all the (water-based) risks of current reactors.

    LFTRs would even cost a lot less to build than LWRs. No steam so no steam containment building. No high pressure so no high pressure piping.

    Liquid fuel allows use of a "freeze plug" (frozen fuel in a section of pipe -- cut power to cooling and it quickly melts, fuel drains from the core to passive cooling tanks where nuclear reaction is impossible), much simpler, safer and less expensive than LWR's complex emergency systems to over-ride everything that normally happens in the core.

    To make a gigawatt-year electricity, LWRs leave 35,000kg uranium/plutonium (and other transuranic elements) to somehow safely store for 100,000+ years. That's not counting the 215,000kg depleted uranium left from making 35,000kg enriched uranium.

    Only a properly designed nuclear reactor can Consume nuclear waste. A molten-salt reactor could use nuclear waste from LWRs as fuel, 800kg to make 1 gigawatt electricity for a year. Since an MSR consumes 99%+ of the uranium (or plutonium or plentiful thorium) fuel, waste is much easier to take care of -- most MSR waste would be harmless in 10 years (83%). The rest (17%) would be safe in 350 years. We know how to safely store 135kg (300 lbs) of waste for 350 years.

    MSR waste, once no longer radioactive, is chemicals we use in industry, to make solar panels and wind power generators, headphones, LCD screens.

    Eliminate nuclear waste, inherent safety much better than LWR, lower construction cost. Smaller sites, no water needed, so build where electricity is needed. Make CO2-neutral vehicle fuels. Best base-load power to replace coal and oil.

    See http://liquidfluoridethoriumreactor.glerner.com/ for what they are, how they're different, what ways they are so much safer, how they can consume nuclear waste, how they would fare in accidents or terrorist attacks, how much less they would cost, how long it will take us to build them.
  • Mark Goldes on September 14 2012 said:
    A new invention can utilize the waste to separate Hydrogen from water.

    Diesel engines can be modified to run on Hydrogen.

    Large engines such as are used for standby power at nuclear plants can be used to generate electricity from the nuclear waste - on site!
  • Jim Baird on September 14 2012 said:
    The ideal solution is to use the waste to produce Alberta's deep bitumen.

    A few years back I was invited to tour a Steam Assisted Gravity Drainage (SAGD) installation near Cold Lake, Alberta. It dawned on me the moment I saw the SAGD schematic, I had seen the same drawing issued by the DOE to describe a heat chamber around the US Yucca Mountain repository in Nevada. The heat umbrella, it was claimed, would keep water from entering the repository.

    Professor Frank Dickson points out in a recent article (http://galvestondailynews.com/story/152850) convection currents are the problem with nuclear waste underground, yet it is underground convection that is precisely what is required to mobilize highly viscous oil sands deposits and ionizing radiation could fracture long chain molecules contigous to the waste into more valuable fractions, safely, deeply, underground.

    Cost and CO2 emissions are the oil sands Achilles’ heel.

    A few years ago natural gas costs equated to about $18 a barrel for SAGD, though this has since declined, there is still a significant carbon issue with burning this much “clean energy” to produce the "dirtier", in terms of carbon, oil.

    A recent study by Canadian, French, Australian and American scientists Bitumen also notes that bitumen has unprecidented capacity to sequester radionuclides.

    With this approach you would solve the Achilles heal of both the nuclear industry and the oil sands.

    Excess plutonium could also be emplaced in the oil sands formation interspersed in a string with the hotter waste to fulfill the DOE's "equivalent to spent fuel standard" for eliminating excess weapons material.
  • Jim Baird on September 14 2012 said:
    Subduction is Nature’s recycling mechanism.

    Besides being the force that precipitated the disaster at Fukushima, it was the basis for the "Subductive Waste Disposal Method" patented in the US, Canada and New Zealand over 20 years ago.

    Some of the world's best geoscientists pointed out in a Nature article, "The geology of nuclear waste disposal" in 1984 (http://www.nature.com/nature/journal/v310/n5978/abs/310537a0.html), "disposal in subduction trenches and ocean sediments deserves more attention."

    Although geologic disposal is a concern of geology, no one listens to the geologists.
  • Richar Hiner on September 14 2012 said:
    "The Soviets, of course, were not the only ones to dump oil in the world’s bodies of water: The French, British and Americans have done so as well in the past." I am sure the author means the words "nuclear waste" and not oil in the above quote from the last sentence of the article.
    In my opinion, the article and the six things to do with nuclear waste is substantially correct. Many of the other ideas put forth by commentators require "faith" that science can patch up the giant dangers our science was used to create.
    Nuclear power is a dead end. So is any civilization that bases its continued existence on a finite resource, like the fossil fuels of coal, oil and/or natural gas.
  • Mel Tisdale on September 14 2012 said:
    @ Richar Hiner

    There will still be thorium available long after we have stepped down from this mortal coil. We live in a scientific and technological age, get used to it.

    Renewables are above all ugly in the main. I don't want horizon to horizon wind turbines, nor do I want the associated electricity pylons that are necessary to allow the energy companies to chase the wind. Daft or what?
  • Sam Blankenship on September 14 2012 said:
    I don't believe I saw reference above to LENR induced transmutation as a means for getting rid of radioactive nuclear waste. It would appear to be effective and efficient.
  • Ashish on September 17 2012 said:
    Interesting point made by Jim Baird on September 14 2012:
    Excess plutonium could also be emplaced in the oil sands formation interspersed in a string with the hotter waste to fulfill the DOE's "equivalent to spent fuel standard" for eliminating excess weapons material.

    However, this solution involves two other critical pieces namely, (1) transporting the nuclear waste to the oil sands sites which agree to have such material placed in their formations, and (2) more importantly, figuring out who among the producers would agree and why.

    I would be very curious to know your / others' response in this regard.
  • G.R.L. Cowan on October 11 2012 said:
    If spent nuclear fuel produced worthwhile amounts of heat, Jim Baird's idea might have merit. However, if it produced worthwhile amounts of heat, it would still be in the reactors. All the nuclear waste in the world produces only about 200 MW.

    If you want to heat bitumen with nuclear heat, one fission reactor with a heat transfer fluid circulating between it and the bitumen is more effective than all the world's nuclear waste. And if you for whatever reason decide you don't want to heat bitumen any more, you can turn it off.

    If sunken nuclear submarines were exploded -- and this could only be done by placing explosives next to them -- the consequences would be unspeakable only from the point of view of oil and gas money. Anyone else will appreciate the fact that the ~2 GW of alpha-ray and beta-ray heat in the world ocean, primarily due to radiopotassium, is radiologically equivalent to millions of pulverized submarines.
  • Martin on May 30 2013 said:
    I think we should load the waste onto a space ship and launch it into space
  • paul cunliffe on July 13 2013 said:
    The are plenty of empty drilled gas fields in the USA,i think you should place the nuclear waste into steel balls with fins on the out side for cooling and put them down the drill holes,steel plunger rod them down into where the gas or oil was under the rock or shale until the empty oil or gas fields are filled up.
  • steve on August 05 2013 said:
    Why can't we launch it into to space and aim it at the sun. Is there too much, how much could one space launch carry?
  • Janet on September 02 2013 said:
    Dont think alien humanoids would be too chuft with tons of plutonium being blasted into space willy nilly!
  • Chris on September 27 2013 said:
    Paul, the oil and gas doesn't come from big caverns under the ground, it just squeezes slowly between the tiny spaces between grains of sand or cracks in the rock. Nuclear waste has to be contained, how ya gonna fit the container in the space where the gas or oil was if that space is broken up into gagillions of tiny little spaces?
  • Chris on September 27 2013 said:
    Martin & Steve,

    IF we could launch spacecraft with 100% reliability, and put them into a trajectory that ensures the radioactive atoms wouldn't be able to make it back to us, I'd agree with you.

    I don't know whether we can say that about the sun, since it might repel the materials back at us. I don't know how significant that would be compared to the radiation already hitting us from the sun, either.

    But I do know that we can't launch spacecraft with 100% reliability, so in general, it sounds like a really bad idea to risk contaminating large areas of our (only) planet.
  • paul cunliffe on October 19 2013 said:
    best to place under deep rock
  • paul cunliffe on October 19 2013 said:
    Would it not be possible to make somesort of nuclear wave generator to convert the high active radiation into focused radio waves(focused radio waves produce hydrogen when pointed at sea water)mix the plotonium with glass to form round plates , use metals or alloys , or composite plastics whith metal particals mixed in the plastic to convert radiation into radio waves,use alloy dish to help focus the radio waves,Send the waves down a narrowing tube(Tube outer sleeved with rim to hold gasses to deflect radio waves)The narrowing tube also focuces radio waves , point the focuced radio waves a contaniers filled whith sea water to produce hydrogen gas to power gas turbines to produce electricity , heat , and hot water.
  • Le Luyer Marc on October 22 2013 said:
    to Leslie Corrice

    There is no ideal way of producing, distributing, and using energy. They all imply costs, ressources shortage and pollution.
    Even when you think about production of solar panels for example, you need to produce those panels, which mean using energy and materials. Then those panels will become obsolete in a few years and will be replaced by other technologies later on.
  • paul cunliffe on February 25 2014 said:
    I once seen a device on tv which work on same thing as nuclear submarine propelars when they spin to fast they chop through the water and make steam.This device i saw was a drum whith holes in it conected to an electric moter,water going through the drum and this made steam.They should use plotunium waste to make lots of nuclear battries built in the foundations under an industrial plant,whith the plant built on top so you are storeing the nuclear waste ayay ate the same time as producing electricity to power the electric moters to turn a gearing systme to spin the drum which turns water into steam(80 percent of the energy to turn water into hydrogen is in the steam)The industrial plant on top will liquidise the hydrgon gas to be used for powering moter cars.The plotunium is stored away under the plant and will make hydrogen gas for a very long time doing something with the nuclear waste.
  • hot nuclear fuel on April 06 2014 said:
    Why not build nuclear kilns,which uses the heat of spent nuclear fuel to remove the methane gas from coal and use the gas to power gas turbines to produce electricity,modern power plants can be more efficent by using the heat from the turbine to make steam to also power a steam turbine, thats a lot of electricty use some of the energy to make oil from coal and make plastics and other things from coal oil.
  • wolfy on May 16 2014 said:
    I don't think the sun would send it back to us if it had enough thrust to get it close to the sun the sun's heat would likely melt the whole craft to dust, now that dust would be radioactive and might get sent back our way but like the sun's rays our ozone layer protects us against a certain amount of Radiation, as for us having a 100% launch device I'm sure Nasa could retro fit a Cruise Missle to fire into space, though I think we need to get off the Nuclear band wagon and find a more cleaner safer way to make power, I've had several idea's going around my head, what about using heat from a volcano to make power, there is a volcano that would suit this sort of job and that is hawaii it's been flowing lava for ages if u could build heat collectors close to the lava flows you could extract heat from the flowing lava and convert it into electricity. you could put a power plant on the edge of the island close to where the lava enters the ocean and collect the sea water from that area as it'll be very hot. this would create steam which you could use to push a turbine to make power.
  • paul cunliffe on May 28 2014 said:
    They should refit disused missile silos to store plutonium, the hard work is already done they have dug the silos out under ground,when the silos are not used anymore,convert the silos to store hot nuclear waste.
  • paul cunliffe on May 30 2014 said:
    Improving on one of my ideas i think it would be possible to use powerful magnets to defflct radiation the same way the earth has a magnetic field,and put spent nuclear fuel rods into casks whith powerful magnets in there to channel the radiation into a beam and use metals to convert the radiation to focused radio waves to produce hydrogen from sea water to power gas turbines to produce electricity.You could line up the cask in concreate buildings near the sea for the water supply.
  • paul cunliffe on June 10 2014 said:
    Why not build plotonium battries to power submarines for coast patroles,the submarines could have a section at the back in a large tube whith the plotonium battries inside also containing the propulsion systme,and a section at the front whith everything else goes in so the sub comes in two halfes,the subs could be twin skined to make them with stand the maximum threat from weapons,based around the U.S,when not in use you could have an electricity cable that pluges into the subs and the electricity they make could be used to help power other things,and this is away of combining the cost of storing plotonium whith military capability so it all cost less.
  • Lars Couwenberg on July 29 2014 said:
    Why don't we launch the nuclear material into space?

    Having read this article, I realise that the best solutions nowadays available basically include: out of site, out of mind. So why the hell would we dispose this extremely dangerous waste on our own planet while we can launch it off into space?

    Now I hear the suspicious people thinking: that it still 'out of site and out of mind' and it is even worse because the issue we created ourselves, are we solving by launching it off to an area that is in no way the cause of this issue! Luckily I can explain why it is, in fact, a good idea.

    Even though we don't know the exact size of the universe, we do know (assume) two things: 1. That it has been expanding for the past billions of years (still is expanding) and 2. It's size is IMMENSE. Why is this of any importance you ask? Well, the nuclear waste that seems like a big problem to us, is not even noticable for the universe as a whole. Now again, this doesn't mean that we shouldn't handle the problem with extreme care, but the facts are as follows: We are the cause of this nuclear waste to come to exist. The thing is, it has happened already and there is no way in which we will be able to reverse the process. The only other option is to get rid of it. On our own planet it forms a danger to ourselves. However, what if we move the waste to an area so remote that it won't do anyone or -thing any harm. What would that be? Indeed, space. Our sisterplanets circling the same sun as we do for example. Saturn is a planet, but it has no sign of any life being present. Even though the absence of evidence is no evidence of absense, I think we are rightful to assume that it would be safe to dispose our nuclear waste to either one of Saturn's moons, or to the planet itself without causeing any living thing harm. Safely transported in isolated rockets or capsules, ready to decay on a planet where it won't do any harm. As a second option even launching it into a random direction could be a suffisticated solution. Yet debatable.

    So again: 'Why don't we launch the nuclear material into space?' It seems most eligible.
  • Paul Cunliffe on August 01 2014 said:
    The last comment I read, I don't believe blasting it into space is the right way to go. I don't think you can trust a rocket yet and it would be awfully expensive. If one was to crash and the container smashed you could end up with a load of highly radioactive nuclear waste. I believe the way to go is to use the plutonium to make energy by converting the intense radiation into radiowaves to produce hydrogen from sea water. I believe this is worth looking at as I have already seen on the internet an alloy dish which can help focus radiowaves and there must be a lot of energy in that radiation. I also know that since the 60's some space probes have used plutonium fuel cells to create electricity in battery form. If you could produce hydrogen from plutonium you would have an energy source for hundreds of thousands of years. Nuclear hydrogen electricity is the way to go.
  • Sam Watkins on March 02 2015 said:
    You also use the most voluminous type of nuclear waste, (depleted) Uranium 235, to make DU munitions, a type of dirty bomb. DU is very dense, and can be used to blast through tank armour. It is also used in tank armour. The DU fallout causes cancer and birth defects, which may demoralize the enemy. In my opinion this is perhaps the worst thing to do with nuclear waste, but what do I know, I'm a Green-voting pacifist.
  • DAVIE on October 29 2015 said:
    1. Load it all onto a spacecraft

    2. Aim for the sun

    3. Mission complete - watch it burn!
  • kane a.m. tervit on March 17 2016 said:
    we should load unmanned rockets with the waste we don't find a suitable use for and have the rockets launched on a one way trip to the sun
  • DCbound on September 12 2017 said:
    Missed one. Launch them into the Sun and they are gone forever never to be a threat to life on earth as all these half wit ideas will be. There is no other choice. This waste will be toxic for 24,000 years half-life. You think any of theses ideas can last that long? Dump them into our oceans? Are you fricken kidding me Einstein!

    There were robust and near indestructible designs for permanent storage containers for this waste designed several decades ago, but the DOE canceled the program. They could be filled with waste and mounted onto reusable rockets with an emergency parachute system in case of malfunction. The Challenger space shuttle cockpit survive that massive explosion and it was a light weight structure. These canisters are thick steel that can survive a train smashing into them. Add an emergency parachute system to land safely back on earth fully if any malfunction occurs.

    This really is the only solution that gets rid of this toxic waste from earth forever. Yes, it can be done and is expensive, but so are all the other methods that will be around for 24,000 years.

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