EP4018461A1 - Method for dismantling a nuclear power plant - Google Patents
Method for dismantling a nuclear power plantInfo
- Publication number
- EP4018461A1 EP4018461A1 EP20756816.3A EP20756816A EP4018461A1 EP 4018461 A1 EP4018461 A1 EP 4018461A1 EP 20756816 A EP20756816 A EP 20756816A EP 4018461 A1 EP4018461 A1 EP 4018461A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dismantling
- plant
- section
- steps
- dismantled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 9
- 230000002588 toxic effect Effects 0.000 claims description 6
- 231100000331 toxic Toxicity 0.000 claims description 5
- 239000000463 material Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 241000197727 Euscorpius alpha Species 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 231100000563 toxic property Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/003—Nuclear facilities decommissioning arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Definitions
- the present invention relates to a method for dismantling a nuclear facility, in particular a nuclear power plant or nuclear power plant.
- a nuclear facility includes components that differ significantly in terms of their radio logical status, for example a pipeline from the primary circuit of a nuclear power plant on the one hand and a floor covering from the control room of the nuclear power plant on the other hand, or pipelines on the one hand and wall elements on the other.
- the activities to be carried out for the dismantling of a nuclear facility are very diverse and may require very different skills, methods and tools.
- the size, the complexity, the type and number of requirements and the variety of activities to be carried out make the dismantling of a nuclear facility complex, time-consuming, costly and resource-intensive.
- the present invention is based on the object of at least partially overcoming the disadvantages in dismantling known from the prior art and, in particular, a method for dismantling a nuclear see plant, which enables a resource-saving dismantling of a nuclear facility and thus also creates the prerequisites for resource-saving, plannable further processing or delivery or disposal of the materials.
- the method according to the invention for dismantling a kemtechni see plant in which the dismantling of the plant takes place in plant sections with at least one element to be dismantled, each plant section being placed at a location in the nuclear plant, with different plant elements of the kemtechni see plant via connections with other plant elements of the kemtechni see plant are connected, the at least one plant element being dismantled and / or dismantled and removed from the nuclear plant, the plant elements and the connections of the plant elements of the kemtechni see plant being included, with the dismantling of a plant section in each case one
- Corresponding to target work is characterized in that the system sections are assigned so that the target work of each dismantling step for the dismantling of each system section corresponds to a specified target value and the system sections in a fixed be dismantled according to the sequence, which is based at least on the connec tions of the elements and the shutdown of residual operating systems located in the plant sections
- nuclear facility is understood to mean a technical facility that is used to process, utilize and / or store nuclear fuel.
- nuclear plant includes a nuclear power plant, power reactors, prototype reactors, research reactors, plants for nuclide enrichment, plants for the production and / or processing of nuclear fuel, fuel element factories, reprocessing plants, interim storage facilities and the like.
- nuclear installation is particularly preferably understood to mean a nuclear power plant and / or a nuclear fission reactor.
- the nuclear facility is made up of components.
- a pipeline for example for guiding cooling water, represents a component.
- the pipeline is fastened to a wall by fastening elements, the fastening elements representing further components.
- system element here denotes a part of the nuclear system which comprises one or more components or only a section of a component.
- connection is understood to mean the structural or system-side connec tions of two section elements.
- An example of such a connection is a fixing or connection point or a corresponding interface to other plant elements of the nuclear plant. This can, for example, be a fastening element with which a first plant element is fastened to a second plant element.
- the interface between the system elements represents the connection.
- dismantling is generally understood to mean the entirety of all activities that pursue the goal of dismantling a nuclear facility, especially after the end of operation, and handling all materials that arise in the process properly.
- the dismantling includes in particular the dismantling of all components and their dismantling as well as all further steps such as z. B. processing and release in the recycling or treatment and disposal of the waste, so in the long term the Ent removal of the components from the nuclear facility.
- system section is understood to mean a set of at least one system element of the kemtechni system that is being dismantled in a context.
- the respective system element can, for example, comprise a set of similar or different components or share a set of components, the dismantling of which is carried out with a specific method, for example a section of the system can comprise a specific amount of pipelines.
- Another example of a plant section would be a set of components of a similar radiological condition and which consequently have to be treated identically or similarly with regard to radiological contamination.
- System elements to be treated in the same way are thus combined into so-called clusters, with the size of a system section / cluster being determined in such a way that the estimated workload for the dismantling is below a specified limit value.
- the prerequisite for the dismantling of a plant section is that at least 90% of all remaining operating systems available in this plant section are shut down and can also be dismantled, e.g. power lines no longer carry electricity, pipelines no longer carry any medium. This ensures that a plant to be able to always completely dismantle the opposite section including all system elements and system elements that correspond to a residual operating system.
- residual operating system is understood to mean a technical system in the core technical system that is used in at least one, but possibly several system sections and is physically present there at least in sections, e.g. the lighting as well as the water and power supply in all Plant sections.
- a large number of residual operating systems must remain functional until the end of the dismantling, such as the fire alarm system, while other systems are gradually out of operation, i.e. H. can be shut down.
- Remaining operating systems that have to remain in operation during the dismantling can be substituted by replacement systems so that the original remaining operating system peripherals can be dismantled.
- replacement systems With the help of the technical documentation, it is possible to assign all remaining operating systems to all plant sections and vice versa.
- dismantling refers to a separation process that can include dismantling, emptying, releasing non-positive connections, dismantling components joined by primary molding, unsoldering, releasing Klebever connections and / or destroying textile connections.
- dismantling denotes not only taking apart but also loosing other components or system elements, for example loosening the connection between a pipeline and a fastening element.
- the removal from the dismantling area i.e. the area of the nuclear facility in which system elements are currently being dismantled, can be done with entire system elements, entire components, parts of system elements and parts of components.
- the assignment of a plant section to a location in the nuclear plant denotes that each plant section is located at a specific location in the nuclear plant.
- Several plant sections can be assigned to one location, but only one plant section can be assigned to one location. This means that, for example, a certain location, for example a certain room, a kemtechni see system, a first system section can be assigned to which pipelines of a first type with a first radiological condition (first radiological contamination) and a second system section as system elements Pipelines of a second type with a second radiological condition and a third system section, which includes electrical cables at this location.
- the first, second and third units each have the same location. However, there can only be one location per unit.
- the entire nuclear plant to be dismantled is divided into plant sections, also called clusters, with the plant sections being defined in such a way that the estimated target workload for the dismantling of each plant section, i.e. the effort required to carry out a respective dismantling step of the plant section, does not exceed a specified limit value may exceed.
- the planned workload and the limit value can preferably be specified in work units, for example person hours. In this way it is achieved that a section of the plant, that is to say a so-called cluster, can in any case be dismantled within a certain working period.
- the estimation of the planned workload for a plant section can be carried out based on the work performance of a team of suitable workers become.
- a target team size can be defined, which includes, for example, a standard team of 5 people who do a target working time of, for example, 175 man-hours per week.
- the system sections are defined in such a way that each system section can be dismantled within this limit value.
- the definition of the available resources, ie person hours can also be done after the allocation of the plant sections to individual work steps through z. B. To accelerate resource increases or to make them clockable so that a certain maximum working time (cycle length) is always undercut, i.e. the duration of activity per work step resulting from the available or specified number of person hours is always below half a defined cycle length.
- the same sequence of work steps is provided for the dismantling of each system section, so that only a single sequence of work steps is provided for the dismantling of all system sections.
- This order or sequence of work steps can accordingly be used universally for all specified system sections. Accordingly, it may happen that one or more work steps are not carried out when dismantling a section of the plant if the step is not necessary or appropriate.
- the work steps are each adapted to the components to be dismantled in the plant section, for example plumbing, metal construction, dismantling work, etc.
- the fixed sequence is based at least on the connections between the plant elements. Accordingly, the sequence is determined in such a way that it takes into account the connections between the elements and applies to more than 90% of all system sections to be dismantled.
- a duration in particular a number of work cycles, is provided for each work step.
- the cycle length is standardized. At least one or a whole multiple of a work cycle can be provided for processing a work step, but in any case at least one cycle length.
- a work step i.e.
- a trade in the dismantling of a system section is carried out (at the latest) according to the cycles provided for it, so that the next work step, i.e. the next trade, for dismantling the system section can be carried out.
- a system section is thus dismantled at the latest after the sum of the work cycles of all work steps, i.e. after the work sequence has been processed. Since the sequence of trades, i.e. the order of the work steps for the dismantling of a plant section, is specified and the duration of the implementation of each work step is specified and known in the form of the number of cycle lengths, for example exactly one cycle length in each case, the dismantling is the entire system can be carried out precisely.
- all system sections are dismantled in a defined and optimized sequence, i.e. a sequence of system sections.
- the sequence of the clusters is based on the one hand on the available resources, for example the plumbing work step cannot be carried out in two plant sections at the same time if the resource is already fully utilized in one plant section within the framework of the cycle. However, it can be selected so that the dismantling of all sections of the system takes place one cycle later than the previous section of the system. This avoids double occupancy and resources and protects the cycle, since after the cycle in one system section has elapsed, a system moves directly to the next system section following the cluster sequence and does the work in the following cycle.
- the sequence of the Cluster according to which clusters meet the requirements for dismantling with regard to the shutdown of remaining operating systems at what point in time, since all remaining operating systems must be shut down or corresponding replacement systems must be created.
- the parts dismantled when carrying out the dismantling which may include elements, components, parts of elements and / or parts of components, who either decontaminated the in preparation for the subsequent removal from the nuclear facility with a view to release and return to a Recycling or treatment in preparation for proper packaging and disposal.
- This removal step can be preceded by a collection of similar parts which, for example, relate to the material from which the parts are made and / or take other relationships into account. For example, parts of a certain radiological exposure can be collected together because they have to be subjected to an identical preparation process.
- the method according to the present invention allows an efficient dismantling of a nuclear facility, since the definition of the limit value and the determination of the target workload for the dismantling of a plant section as described above leads to a standardization of the dismantling insofar that the corresponding teams of workers who the Carry out dismantling, on the one hand, can be put together specifically for a certain activity and, on the other hand, by standardizing the target workload, it can be achieved that each section of the plant can always be dismantled within a certain time, namely within the sum of the cycles of all work steps required for the dismantling are required.
- the standardization enables a team that carries out a trade according to its specialization on a first section of the system, after the dismantling step / trade has been carried out on a first section of the system, the same ben dismantling step can be carried out on a second system section if the required preceding dismantling step has been carried out beforehand on the second system section. Because the timing ensures that this other dismantling step is completed on time. Overall, this enables efficient dismantling, which can not only be carried out quickly and thus conserve resources, but can also be planned well in advance and with foresight.
- the standardization also allows the formation of highly specialized teams to carry out a respective work step (trade). The fact that each dismantling step can be limited in time and the assignment of the dismantling steps to a plant section means that precise information on the deployment of teams can be made during the planning stage.
- the shutdown of all remaining operating systems required for the dismantling is also carried out using the same procedure; there is also a sequence of defined work steps (trades) that are defined for the complete shutdown of all remaining operating systems.
- the implementation of these work steps is clocked, as is the dismantling.
- the step of mechanical separation of a residual operating system only follows after the electrical and control system separation has taken place.
- the dismantling part of the dismantling of a nuclear power plant can be carried out several months or, depending on the scaling of the teams, years faster than with conventional procedures.
- the definition of a plant section takes place as a function of at least one of the following criteria: a) type of the plant element (s) to be dismantled in the plant section; b) Number of the system element (s) to be dismantled in the system section; c) Complexity and duration of the required work steps, such as loosening the fastening of an object or dismantling an object into transportable elements, d) Mass and geometry of the system element (s) to be dismantled in the system section, e) Necessity preparatory or accompanying activities such as scaffolding or the need for special occupational safety measures or the transport of possibly dismantled system elements, f) radiological and / or chemical and toxic state of the system elements to be dismantled.
- Existing databases can be used to assess these criteria during planning, in which experience or measured values relating to the criteria are stored. For example, the radiological condition of a metallic system element that was placed near a radiation source for a known period of time can be estimated based on empirical values.
- the radiological condition as well as the chemical, toxic condition of the element (s) are taken into account when defining or assigning the units.
- the radiological state of the element (s) in particular the state of the element (s) ⁇ ) with regard to the emission of radioactive radiation, i.e. alpha, beta and / or gamma radiation, understood.
- radioactive radiation i.e. alpha, beta and / or gamma radiation, understood.
- special treatment may be necessary during dismantling and / or further recycling.
- Elements that are contaminated can be cleaned by machining. Activated elements are ultimately disposed of, i.e. not recycled.
- the chemical state is understood to mean the chemical composition of the element, in particular the surface of the element, in particular with regard to the special measures required during dismantling.
- the special measures include, for example, protective measures for the relevant employees, special shielding measures, special disposal measures or the like.
- the toxic state of the element (s) is understood to mean the chemical composition of the element (s), in particular the surface of the element (s), with regard to toxic properties that can result from the chemical composition and which can make certain measures necessary during dismantling, z. B. Asbestos in fittings.
- FIG. 1 shows a schematically illustrated section of a core technical system to be dismantled
- FIG. 2 shows a schematic representation of the detail from FIG. 1 with a fixed definition of system sections
- FIG. 3 shows a timing diagram for carrying out the method steps.
- Fig. 1 shows a very schematic representation of a floor 100 of a building of a nuclear facility 1.
- the nuclear facility can be a nuclear power plant, which is to be dismantled.
- This nuclear plant can be constructed from a large number of system elements which are of the most varied types and which include, for example, a large number of pipelines, a nuclear reactor, cooling circuits, pumps, turbines, but also administration buildings with office rooms.
- the dismantling also includes the dismantling of building structures, which are also plant elements in the sense of this procedure and which may have to be decontaminated and dismantled accordingly.
- FIG. 1 shows a plan view of a floor of a building of the system to be dismantled. Just like the entire system, the building itself must be dismantled with all system elements located in the rooms, such as machines, devices or furnishings.
- the demolition will be described using the illustrated floor 100 as an example, the rooms 110 to 140 and a hallway 150 being arranged on the floor.
- the system elements can be large and permanently installed system elements, such as a pressure vessel or a pump or a generator, or also small system elements such as pipelines or office equipment, for example in an administration building.
- the system elements 111 to 114 namely the chairs 111 and 112 as well as the table 113 and cabinet 114 are placed in the room 110.
- the system elements 121 to 123 are placed in room 120, here are the chair 121, the table 122 and the cabinet 123.
- In room 130 are the chairs 131-136 and the table 137.
- In room 140 are the chairs 141-144, the table 145 and the cabinet 146 are placed.
- the hallway 150 is covered with 20m 2 of floor covering 151.
- the system elements that is to say the chairs and tables and cupboards, must be removed from the rooms and the floor covering from the hallway 150 accordingly.
- the time required to carry out each dismantling step / work on the system elements is determined based on the fixed sequence of the dismantling steps, i.e. the time required for the entire dismantling of the system. Such a determination can be based on an estimate of the time required on empirical values of the activities known per se that are to be carried out during a dismantling step, i.e. a trade.
- the sequence of the dismantling steps that can be carried out, the trade sequence is defined for the entire dismantling of the plant.
- the trade sequence is designed in such a way that all system elements can be dismantled using the trade sequence and the trade sequence thus provides for dismantling steps that are not applicable to a system element. Dismantling steps such as decontaminating or loosening the system element are no longer necessary for the tables, chairs and cupboards considered here, so that the time required for these dismantling steps in the sequence of trades can be estimated at zero.
- the definition of the duration for the execution of a dismantling step related to a system element or a group of identical or similar system elements can be determined with the help of the following table 1.
- the table indicates the period of time in which an activity is typically carried out in relation to a unit.
- the dismantling steps and trades listed in the table are an excerpt from the sequence of trades that was defined for the dismantling of the system.
- dismantling steps such as decontaminating the floor, G4, and loosening a pipe, G5, are not to be carried out and therefore not to be taken into account when determining the total duration of a dismantling step.
- the duration for a dismantling step is given in the above table for illustration without a unit.
- the system sections and the sequence of their processing are determined according to the sequence of the dismantling activities.
- the time expenditure for the dismantling step Gl results in 1 time unit for the space 120, for the dismantling step G2 in 2 time units and for the dismantling step G3 in 4 time units.
- room 130 it results for the dismantling step Gl a time expenditure of 6 time units and for G2 a time expenditure of 2 time units.
- the room 140 there is a time expenditure of 4 time units for the removal of the chairs 141 to 144, Gl, for the dismantling step G2 a time expenditure of 2 time units and for the dismantling step G3 a time expenditure of 4 time units.
- dismantling step G6, 10 time units are to be set.
- a system section can thus be a room or be composed of several rooms, i.e. a so-called cluster.
- the sequence is determined in which the system sections are dismantled according to the sequence of the dismantling steps, i.e. the sequence of trades, so that a cycle plan can be drawn up.
- Figure 2 shows the definition of system sections CI to C4.
- the room 130 is here plant section CI, see reference numeral 220, room 140 forms plant section C2, reference numeral 230, and the rooms 110 and 120 together form the plant section C3, 230.
- the corridor 150 forms plant section C4, 240.
- the execution of the dismantling steps in the plant sections CI, reference characters to C4 can thus be carried out according to the cycle plan shown in FIG.
- the X-axis denotes the time
- the Y-axis indicates the section of the system for which a dismantling step G1 ... G6 ... is carried out.
- the representation selected here assumes that there is exactly one team of people for a dismantling step, so that a dismantling step is carried out by the team provided for it in a specified section of the plant. Furthermore, dependencies with regard to the order in which the system sections are processed can be taken into account in the cycle plan.
- the dismantling of the system section C4, i.e. the dismantling of the hallway 150, dismantling step G6, will only be carried out when all the dismantling steps of the system sections CI to C3 have been completed, so that a system section, here C4, will only be dismantled when its functionality, here the accessibility of the corridor is no longer required for the dismantling of another section of the system.
- the sequence in which the system sections CI to C4 are dismantled is selected as a result of an optimization calculation in such a way that the throughput time is reduced to the maximum. Therefore, the dismantling starts initially with plant section C2, then the dismantling of plant section C3 begins, then the dismantling of plant section CI and at the same time C4.
- the cycle length and the resources made available for implementation are dimensioned in such a way that all dismantling steps for all system sections considered can be carried out in full within a respective cycle, so that a dismantling step carried out in each system section, i.e. a trade, during one cycle can be carried out completely and in the following cycle the next dismantling step for the respective system section can be carried out. Accordingly, the dismantling begins with the dismantling step Eq. This is done during measure # 1.
- the planning ensures that a respective dismantling step can be carried out completely within a cycle length, so that the next dismantling step can be carried out at the beginning of the following cycle.
- the execution of the next dismantling step G2 begins in this system section.
- This dismantling step can require the completion of the previous dismantling step, as it is ensured that all previous dismantling steps for a respective section of the plant have been completed.
- the dismantling step Gl for the system section C3 can be carried out during cycle # 2, since the corresponding team has completed all the work of the dismantling step Gl in the system section C2.
- the dismantling steps in the respective system section are ended, ie the dismantling step G2 is ended in the system section C2 and the dismantling step Gl is ended in the system section C3, and the implementation of the for a plant section in each case next dismantling step, i.e. the dismantling step G3 in plant section C2, the dismantling step G2 in plant section C3 and the dismantling step Gl in plant section CI.
- This dismantling step is carried out in full at the end of the cycle.
- the dismantling of plant section C2 is now complete.
- next dismantling steps for plant sections C3 and CI are carried out in an analogous manner, so that the plant sections are dismantled at the end of cycle # 4. Since the dismantling step G6 for the system section # 4 runs independently of Eq, G2, G3 according to the work sequence and these work steps are not necessary in this system step, the Dismantling step G6 in system section C4 also terminated in cycle # 4 in order not to extend the throughput time.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019122758.5A DE102019122758B3 (en) | 2019-08-23 | 2019-08-23 | Procedure for the dismantling of a nuclear facility |
PCT/EP2020/072449 WO2021037547A1 (en) | 2019-08-23 | 2020-08-11 | Method for dismantling a nuclear power plant |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4018461A1 true EP4018461A1 (en) | 2022-06-29 |
Family
ID=72086846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20756816.3A Ceased EP4018461A1 (en) | 2019-08-23 | 2020-08-11 | Method for dismantling a nuclear power plant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4018461A1 (en) |
DE (1) | DE102019122758B3 (en) |
WO (1) | WO2021037547A1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2931575A1 (en) * | 2008-05-20 | 2009-11-27 | Areva Nc | METHOD FOR EVALUATING SPECIFIC DATA RELATING TO THE SANITATION / DISMANTLING OF AN INSTALLATION |
FR2936611B1 (en) * | 2008-09-30 | 2012-08-10 | Commissariat Energie Atomique | METHOD FOR OPTIMIZING THE MANAGEMENT OF WASTE FROM A SANITATION AND DISMANTLING PROGRAM OF A PARTICULARLY NUCLEAR FACILITY |
DE102017123426A1 (en) * | 2017-10-09 | 2019-04-11 | Rwe Power Aktiengesellschaft | Process for dismantling a nuclear facility |
-
2019
- 2019-08-23 DE DE102019122758.5A patent/DE102019122758B3/en active Active
-
2020
- 2020-08-11 EP EP20756816.3A patent/EP4018461A1/en not_active Ceased
- 2020-08-11 WO PCT/EP2020/072449 patent/WO2021037547A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2021037547A1 (en) | 2021-03-04 |
DE102019122758B3 (en) | 2021-02-11 |
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