Off to the granite mine – Sweden has been building a repository for 100,000 years
Home »Technology» Off to the granite mine – Sweden builds a repository for 100,000 years 2 February 2022
Nuclear waste
Off to the granite mine – Sweden has been building a repository for 100,000 years
In Forsmark, a facility for encapsulation of the waste will be built next to the storage.
© SBK / PR
by Gernot Kramper
2/1/2022 17:53
After Finland, Sweden will now also build a nuclear power plant. The government’s decision came after local residents voted to build the artificial mine.
In Germany, the search for a suitable repository for nuclear waste is endless. In Scandinavia, on the other hand, people seem to be more determined. The Swedish government has given the green light to build a final repository that will keep the country’s spent and highly radioactive nuclear fuel safe for the next 100,000 years.
The Swedish nuclear fuel and waste management company SKB said: “It is a historic decision that makes it possible for SKB to dispose of the nuclear waste that our generation produces. We welcome this decision. We now look forward to realizing Sweden’s largest environmental protection project.” The word “environmental protection” can irritate die-hard opponents of nuclear power plants, but nuclear waste is there and precisely for environmental reasons it is not possible to improvise indefinitely. SKB is considered a world leader in this area. The repository in Finland is also based on the Swedish KBS-3 process. more orders worldwide.
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Sweden is at the forefront of technology
The two camps can be described as the first projects for a final repository in the world according to current safety regulations. The placement of KBS-3 is based on the conditions prevailing in the natural presence of radioactive material. Both in Finland and in Sweden, the facility will be built in granite. The decomposition must first decompose to reduce the thermal stresses. Then it is melted down in cast iron. These capsules in turn go in a copper container. The buckets are then stored in over 500 tunnels 500 meters below the surface. A separate cavity is created for each copper container, in which it is immersed and then sealed with bentonite clay. The radioactive waste will then remain dormant there for 100,000 years.
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The problem must not be inherited
Minister of the Environment Annika Strandhäll defended the project against critics. “It is irresponsible to simply inherit nuclear waste year after year without a plan. We must not place the responsibility on our children and grandchildren. Our generation must take responsibility for our waste. That is why the government is allowing the next step in the verification process. “
“We and Finland are the first in the world to take responsibility for nuclear waste. This will be a safe repository that will keep both the environment and people safe. ” It is interesting that the government’s decision was made only after residents of Forsmarksplatsen voted in favor of the plans.
Sweden had already voted in 1980 to phase out nuclear power, so it is primarily a matter of cleaning up the legacy. Six reactors from this period are still in operation. In total, approximately 8,000 tonnes of highly radioactive waste were produced.
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The repository project has been going on for 40 years and the construction itself must be completed quickly. The plant is planned to be commissioned in ten years. Following a green light from the government, SKB is now awaiting the completion of the approval process from the District and Environmental Court and a final approval from the Swedish Radiation Protection Authority. The construction of the facilities in Finland and Sweden puts SKB in a unique position. Even the states that are still postponing the decision cannot postpone the issue of final disposal indefinitely. You have to decide on a place and a technology at some point.
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