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WO2015098160A1 - Appareil de distillation d'eau tritiée et procédé de distillation d'eau tritiée - Google Patents

Appareil de distillation d'eau tritiée et procédé de distillation d'eau tritiée Download PDF

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Publication number
WO2015098160A1
WO2015098160A1 PCT/JP2014/069199 JP2014069199W WO2015098160A1 WO 2015098160 A1 WO2015098160 A1 WO 2015098160A1 JP 2014069199 W JP2014069199 W JP 2014069199W WO 2015098160 A1 WO2015098160 A1 WO 2015098160A1
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Prior art keywords
distillation
distillation column
water
tritium
stock solution
Prior art date
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Ceased
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PCT/JP2014/069199
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English (en)
Japanese (ja)
Inventor
平野　悟
升夫 湯淺
智博 元村
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Sasakura Engineering Co Ltd
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Sasakura Engineering Co Ltd
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Priority to JP2015554590A priority Critical patent/JPWO2015098160A1/ja
Publication of WO2015098160A1 publication Critical patent/WO2015098160A1/fr
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/02—Separation by phase transition
    • B01D59/04—Separation by phase transition by distillation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G21F9/08—Processing by evaporation; by distillation

Definitions

  • the present invention enables a treatment at a practical level by improving separation performance, reducing the number of theoretical plates, and reducing the size of the apparatus when treating contaminated water containing a low concentration and a large amount of tritium.
  • the present invention relates to a tritium water distillation apparatus and a tritium water distillation method.
  • the multi-nuclide removal equipment can remove 62 kinds of radioactive substances (excluding tritium), and therefore, treatment of contaminated water containing tritium is a problem. That is, there is a demand for reducing the concentration of tritium containing tritium to a legally regulated value (6 ⁇ 10 4 Bq / L) or less.
  • tritium is the isotope of hydrogen, since it is present in the form of tritiated water (HTO or T 2 O), and light water (H 2 O) and tritiated water (HTO or T 2 O) separation of difficult Has been.
  • a conventional example of the tritium removal technique is a water distillation method. This water distillation method is a method of separation based on the difference in vapor pressure between light water (H 2 O) and tritium water (HTO or T 2 O).
  • Non-patent Document 1 describes that separation performance is low and the number of theoretical plates is large for low-concentration heavy water, and this description also applies to tritium.
  • the present invention has been conceived in view of the above problems, and its purpose is to greatly improve the separation performance (relative volatility), reduce the number of theoretical plates to a practical level, and reduce the size of a practical device. It is intended to provide a tritium water distillation apparatus and a tritium water distillation method that can be realized.
  • the invention according to claim 1 is provided with a distillation column and is supplied as a stock solution with light water (H 2 O) containing tritium water (HTO or T 2 O) having a higher concentration than the stock solution.
  • the tritium water distillation apparatus separates tritium water and tritium water having a lower concentration than the stock solution, and the distillation column is filled with silica gel beads as a filler, and low temperature distillation at 40 ° C. or lower is performed by this distillation column. It is characterized by having done.
  • a relative volatility when low temperature distillation of 40 degrees C or less is performed, a relative volatility can be improved (For example, in the case of distillation at 60 degreeC, a relative volatility is 1.05, and 40 degreeC In the case of distillation, the relative volatility is 1.16). Furthermore, it is known that when silica gel beads are used as a filler for a distillation column, the relative volatility is improved. And in this Embodiment, (1) Adopting low temperature distillation of 40 degreeC, and (2) Using a silica gel bead as a packing material of a distillation tower, each (1), (2) relative volatility It has been confirmed by experimental results of the present inventor that relative volatility can be obtained by the synergistic effect. As a result, the number of theoretical plates can be reduced to a practical level, and a practical device can be reduced in size.
  • the invention according to claim 2 is the tritium water distillation apparatus according to claim 1, wherein the distillation column includes a reboiler for heating the stock solution, compresses and heats the vapor from the distillation column, A heat pump as a heating source is provided.
  • the invention described in claim 3 is the tritium water distillation apparatus described in claim 1 or 2, characterized in that the scale of the stock solution is removed by evaporation and concentration as a pretreatment.
  • the scale is removed by evaporative concentration as a pretreatment, so that a stock solution with a small impurity content can be obtained, and even if concentrated to a high concentration in the distillation tower, it can be operated without scale adhesion.
  • the invention described in claim 4 comprises tritium water and stock solution having a concentration higher than that of the stock solution, which comprises a distillation column and is supplied as a stock solution and contains light water (H 2 O) containing tritium water (HTO or T 2 O).
  • the tritium water distillation method separates the tritium water into a lower concentration of tritium water, wherein the distillation column is filled with silica gel beads as a filler, and low temperature distillation at 40 ° C. or lower is performed on the stock solution in the distillation column. It is characterized by that.
  • the relative volatility (separation performance) is remarkably improved.
  • the number of theoretical plates can be reduced to a practical level, and the practical device can be downsized.
  • FIG. 1 is an overall configuration diagram of a tritium water distillation apparatus 1 according to Embodiment 1.
  • FIG. FIG. 3 is an overall configuration diagram of a tritium water distillation apparatus 1A according to a second embodiment. The whole block diagram of the tritium water distillation apparatus 1B which concerns on Embodiment 3.
  • FIG. 1 is an overall configuration diagram of a tritium water distillation apparatus 1 according to Embodiment 1.
  • FIG. 3 is an overall configuration diagram of a tritium water distillation apparatus 1A according to a second embodiment. The whole block diagram of the tritium water distillation apparatus 1B which concerns on Embodiment 3.
  • (Embodiment 1) 1 is an overall configuration diagram of a tritium water distillation apparatus 1 according to Embodiment 1.
  • the stock solution supplied to the tritium water distillation apparatus of the present invention is light water (H 2 O) including tritium water (HTO or T 2 O).
  • the tritium water distillation apparatus of the present invention refers to light water (H 2 O) containing tritium water (HTO or T 2 O) supplied as a stock solution, which is lower in concentration than tritium water and stock solution. It means a device that separates tritium water with a concentration.
  • the tritium water distillation apparatus 1 has a distillation column 2 that performs low-temperature distillation at 40 ° C.
  • the distillation column 2 is a packed multi-stage distillation column, and silica gel beads are used as a filler.
  • the distillation column 2 is provided with a condenser 3 at the top of the column.
  • a vacuum pump 5 is connected to the condenser 3.
  • the inside of the distillation column 2 is maintained at a predetermined high vacuum degree by the vacuum pump 5, and as a result, the distillation column 2 is configured so that the stock solution can be subjected to low-temperature distillation at 40 ° C.
  • the distillation tower 2 is provided with a heating circulation path L1 at the bottom of the tower.
  • the heating circulation path L1 is provided with a circulation pump 6 for circulating the stored liquid at the bottom of the tower, and a heater (corresponding to a reboiler) 4 for heating the stored liquid. Steam is supplied to the heater 4 to heat the stored liquid circulating in the heating circulation path L1.
  • the stock solution is supplied to the top of the distillation column 2.
  • the stock solution has 62 kinds of radioactive substances and scale components removed by pretreatment. That is, 62 kinds of radioactive substances (excluding tritium) are removed from the contaminated water by the multi-nuclide removal equipment (ALPS), and the scale component is further removed by the evaporation concentrator.
  • APS multi-nuclide removal equipment
  • the stock solution is pretreated in the same manner as described above.
  • the 25 ° C. stock solution is supplied to the top of the distillation column 2, flows down in the distillation column 2, and is stored in the bottom of the distillation column 2.
  • This stored liquid circulates in the heating circulation path L1, is heated in the heater 4, is evaporated, and is supplied to the tower bottom.
  • the liquid heated and supplied to the bottom of the column generates steam by flash evaporation.
  • the generated steam rises in the distillation column 2 and gas-liquid contact is made with the undiluted solution that descends in the distillation column 2.
  • the rising vapor and the descending liquid come into gas-liquid contact on the surface of the silica gel beads packed in the distillation column 2, and heat necessary for the liquid to evaporate, that is, latent heat of evaporation is exchanged. And since the inside of the distillation column 2 is maintained at a predetermined degree of vacuum, the descending liquid evaporates at 40 ° C., and the generated steam rises to the top of the column. In the process of gas-liquid contact, the tritium concentration in the descending liquid increases and the tritium concentration in the rising vapor decreases.
  • the rising steam after the gas-liquid contact reaches the top of the tower and is further led to the condenser 3.
  • the supplied steam is cooled by cooling water and discharged as low-concentration tritium water having a lower tritium concentration than the stock solution.
  • the descending liquid after the gas-liquid contact is stored in the tower bottom, and a part of the stored liquid is recovered as high-concentration tritium water having a higher tritium concentration than the stock solution.
  • the low volatility of 40 ° C. is used to improve the specific volatility, and furthermore, the silica gel beads are used as the packing material for the distillation column, so that the specific volatility is markedly increased.
  • the tritium water distillation apparatus 1 improved can be constructed. More specifically, the low volatility of 40 ° C. can improve the relative volatility (specifically, the relative volatility is 1.05 in the case of distillation at 60 ° C., 40 ° C. In the case of distillation at a specific volatility of 1.16). Furthermore, it is known that when silica gel beads are used as a filler for a distillation column, the relative volatility is improved.
  • FIG. 2 is an overall configuration diagram of the tritium water distillation apparatus 1A according to the second embodiment.
  • the tritium water distillation apparatus 1A is the same as the tritium water distillation apparatus 1 according to the first embodiment in that it has a configuration including one distillation column, and the above embodiment in that it includes a heat pump 11. 1 is different from the tritium water distillation apparatus 1 according to FIG.
  • the configuration of the tritium water distillation apparatus 1A will be described with reference to FIG.
  • the tritium water distillation apparatus 1A has a distillation column 10 that performs low-temperature distillation at 40 ° C.
  • the distillation column 10 is a packed multistage distillation column, and silica gel beads are used as a filler.
  • a heat pump 11 as a compressor is connected to the top of the distillation column 10 via a pipe L2.
  • the heat pump 11 compresses and raises the temperature of the steam from the distillation tower 10, and the compression-heated steam is supplied to the reboiler 12 and serves as a heating source for the reboiler 12.
  • the reboiler 12 is connected to a vacuum pump 14.
  • the inside of the distillation column 10 and the heat pump 11 is maintained at a predetermined high vacuum level by the vacuum pump 14, and as a result, the raw solution can be subjected to low-temperature distillation at 40 ° C. in the distillation column 10.
  • a supply line L3 for supplying a column bottom storage liquid to the reboiler 12 is provided at the column bottom of the distillation column 10.
  • this Embodiment 2 is equipped with the heater 13 for starting, and can supply external heat at the time of starting, and when the auxiliary
  • the stock solution at 25 ° C. is supplied to the top of the distillation column 10, flows down in the distillation column 10, reaches the bottom of the distillation column 10, and is stored.
  • the stored liquid at the bottom of the distillation column 10 circulates through the startup heating line L6, is heated by the startup heater 13, is evaporated, and is supplied to the bottom of the column.
  • the heated steam supplied to the bottom of the column rises in the distillation column 10 and is brought into gas-liquid contact with the undiluted solution descending in the distillation column 10.
  • the rising vapor and the descending liquid come into gas-liquid contact on the surface of the silica gel beads packed in the distillation column, and heat necessary for the liquid to evaporate, that is, latent heat of evaporation is exchanged. And since the inside of the distillation column 10 is maintained at a predetermined degree of vacuum, the descending liquid evaporates at 40 ° C. and rises to the top of the column. In the process of gas-liquid contact, the tritium concentration in the descending liquid increases and the tritium concentration in the rising vapor decreases.
  • the rising steam after the gas-liquid contact reaches the top of the distillation column 10 and is further guided to the heat pump 11.
  • the supplied steam is heated by compression and used as a heat source for the reboiler 12.
  • the tower bottom storage liquid supplied via the supply line L3 is heated and returned to the tower bottom via the supply line L4, and the vapor evaporated by flashing in the reboiler 12 is returned to the tower bottom via the supply line L5.
  • the heated steam returned to the bottom of the column rises again in the distillation column 10 and is brought into gas-liquid contact with the undiluted solution that descends in the distillation column 10, the tritium concentration in the descending solution increases, Tritium concentration decreases. Such a series of processes is repeated.
  • the concentration of the stored liquid becomes high at the bottom of the distillation column 10, and a part of the stored liquid passes through the supply line L3 and the discharge line L7, so that the tritium concentration is higher than that of the stock solution. It is recovered as highly concentrated tritium water. Further, the steam supplied from the heat pump 11 to the reboiler 12 is heat-exchanged with the liquid stored at the bottom of the tower in the reboiler 12, is cooled and condensed, and is discharged as low-concentration tritium water having a lower tritium concentration than the stock solution.
  • the relative volatility is improved by adopting the low temperature distillation of 40 ° C., and further, by using the silica gel beads as the packing material of the distillation column. It is possible to construct a tritium water distillation apparatus in which In addition, by compressing and heating the vapor from the distillation tower 10 and using it as a heating source for the reboiler 12, energy efficiency is good and energy saving is achieved.
  • FIG. 3 is an overall configuration diagram of the tritium water distillation apparatus 1B according to the third embodiment.
  • the tritium water distillation apparatus 1B includes a plurality (three in this embodiment) of distillation towers. That is, the tritium water distillation apparatus 1B has a first distillation tower group F1, a second distillation tower group F2, and a third distillation tower group F3.
  • the first distillation column group F1 includes a first distillation column A1 that performs low-temperature distillation at 40 ° C., a first heat pump B1 as a compressor, a first reboiler R1, and a first circulation pump P1.
  • the second distillation tower group F2 and the third distillation tower group F3 have the same configuration as the first distillation tower group F1. That is, the second distillation column group F2 has a second distillation column A2, a second heat pump B2, a second reboiler R2, and a second circulation pump P2 that perform low-temperature distillation at 40 ° C., and the third distillation column group F3.
  • These distillation columns A1, A2 and A3 are packed multistage distillation columns, and silica gel beads are used as a filler.
  • the stock solution is supplied to the second distillation column A2, and the stock solution is adjusted so that the tritium water concentration treated in the second distillation column A2 and the tritium water concentration of the stock solution are the same.
  • the liquid is supplied to the middle part of A2.
  • a vacuum pump P is connected to the reboilers R1, R2, and R3, and the insides of the heat pumps B1, B2, and B3 and the distillation towers A1, A2, and A3 are maintained at a predetermined high vacuum level.
  • the stock solution can be subjected to low-temperature distillation at 40 ° C.
  • the first distillation tower group F1 is provided with a starting heater 20. That is, an activation heating line L20 is provided at the bottom of the distillation column A1, and the activation heating line L20 is provided with a circulation pump P1 and an activation heater 20. At the time of start-up, the stored liquid at the bottom of the first distillation column A1 circulates through the start-up heating line L20, is heated and evaporated in the start-up heater 20, and is supplied to the bottom of the tower.
  • the tritium water distillation apparatus 1B includes a stock solution preheater 21, and the tritium water distillation apparatus 1B exchanges heat between the low-concentration tritium water whose tritium concentration is lower than that of the stock solution and the 25 ° C. stock solution. ing.
  • the stock solution is supplied to the middle part of the second distillation column A2, flows down through the second distillation column A2, and is stored at the bottom of the second distillation column A2.
  • the liquid stored at the bottom of the second distillation column A2 is supplied to the top of the first distillation column A1 via the circulation pump P2 ⁇ the supply line L21, and further flows down in the first distillation column A1 to the first distillation. It reaches the tower bottom of tower A1 and is stored.
  • the liquid stored at the bottom of the first distillation column A1 circulates through the startup heating line L20, is heated by the startup heater 20, is evaporated, and is supplied to the tower bottom.
  • the heated steam supplied to the bottom of the column rises in the first distillation column A1 and is brought into gas-liquid contact with the undiluted solution descending in the first distillation column A1.
  • the descending liquid evaporates at 40 ° C. and rises to the top of the column.
  • the tritium concentration in the descending liquid increases and the tritium concentration in the rising vapor decreases.
  • the rising steam after the gas-liquid contact reaches the top of the first distillation column A1, and is further guided to the first heat pump B1.
  • the supplied steam is compressed and heated (48 ° C.) and used as a heat source for the first reboiler R1.
  • the liquid stored at the bottom of the first distillation column A1 supplied via the supply line L22 is heated and returned to the bottom of the first distillation column A1 via the supply line L23, and is heated and evaporated by the reboiler R1.
  • the steam at 45 ° C. is returned to the bottom of the first distillation column A1 via the supply line L24.
  • the stored liquid has a high concentration at the bottom of the first distillation column A1, and a part of the stored liquid at the bottom of the column is recovered as high-concentration tritium water having a higher tritium concentration than the stock solution through the discharge line L40. Is done.
  • the steam supplied from the first heat pump B1 to the first reboiler R1 is heat-exchanged and cooled and condensed in the first reboiler R1, and the tritium concentration is reduced by the tritium concentration compared to the liquid stored at the bottom of the first distillation column A1. Water is supplied to the bottom of the second distillation column A2.
  • the liquid stored at the bottom of the second distillation column A2 is heated by the second reboiler R2 and returned to the column bottom as heated steam.
  • This heated steam rises in the second distillation column A2, and in the lower filling section 51, gas-liquid contact is performed with the mixed liquid of the descending liquid descending the upper filling section 50 and the undiluted liquid descending the lower filling section 51.
  • the heating steam rises in the upper packing section 50 of the second distillation column A2
  • the descending liquid descending the upper packing section 50 from the tower bottom of the third distillation tower A3 to the tower top of the second distillation tower A2).
  • the supplied storage liquid and gas-liquid contact are performed.
  • the second distillation column A2 since the second distillation column A2 is maintained at a predetermined degree of vacuum, the descending liquid evaporates at 40 ° C. and rises to the top of the column. In the process of gas-liquid contact, the tritium concentration in the descending liquid increases and the tritium concentration in the rising vapor decreases.
  • the rising steam after the gas-liquid contact reaches the top of the second distillation column A2, and is further guided to the second heat pump B2.
  • the supplied steam is compressed and heated (48 ° C.) and used as a heat source for the second reboiler R2.
  • the liquid stored at the bottom of the second distillation column A2 supplied via the supply line L25 is heated and returned to the bottom of the second distillation column A2 via the supply line L26, and at the second reboiler R2.
  • the vaporized 45 ° C. steam heated and returned is returned to the bottom of the second distillation column A2 via the supply line L27.
  • the steam supplied from the second heat pump B2 to the second reboiler R2 is heat-exchanged in the second reboiler R2, cooled and condensed, and the tritium water in which the tritium concentration is reduced compared to the liquid stored at the bottom of the second distillation column A2. To the bottom of the third distillation column A3.
  • the liquid stored at the bottom of the third distillation column A3 is heated by the third reboiler R3 and returned to the column bottom as heated steam.
  • This heated steam rises in the third distillation column A3 and descends in the third distillation column A3 (supplied from the third reboiler R3 to the top of the third distillation column A3 via the discharge lines L30 and L31.
  • Gas-liquid contact with tritium water since the inside of the distillation column A3 is maintained at a predetermined degree of vacuum, the descending liquid evaporates at 40 ° C. and rises to the top of the column. In the process of gas-liquid contact, the tritium concentration in the descending liquid increases and the tritium concentration in the rising vapor decreases.
  • the rising steam after the gas-liquid contact reaches the top of the third distillation column A3 and is further guided to the third heat pump B3.
  • the supplied steam is heated by compression (48 ° C.) and used as a heat source for the third reboiler R3.
  • the liquid stored at the bottom of the third distillation column A3 supplied via the supply line L32 is heated and returned to the bottom of the third distillation column A3 via the supply line L33, and the third reboiler R3.
  • the vapor at 45 ° C. evaporated by heating is returned to the bottom of the third distillation column A3 via the supply line L34.
  • the steam supplied from the third heat pump B3 to the third reboiler R3 is heat-exchanged and cooled and condensed in the third reboiler R2, and a part thereof is supplied to the bottom of the third distillation column A3, and a part thereof is reserved. It passes through the heat exchanger 21 and is discharged as low-concentration tritium water having a lower tritium concentration than the stock solution.
  • the tritium concentration in the tower bottom storage liquid is high, medium, and low in the order of the first distillation column A1, the second distillation column A2, and the third distillation column A3. It will decline.
  • the low volatility of 40 ° C. is used to improve the relative volatility
  • further silica gel beads are used as the packing material for the distillation column.
  • the relative volatility can be remarkably improved.
  • the tritium water distillation apparatus 1B has a configuration in which three distillation columns are used, in practical use, depending on the throughput of the stock solution, the extent to which the tritium concentration is reduced, etc. What is necessary is just to determine a number. Of course, since the relative volatility is remarkably improved, the number of theoretical plates is much smaller than that of the conventional example, and it is possible to reduce the size of the facility that can be put into practical use, and the cost can be reduced to the level of practical use. Therefore, if the inventive idea of the tritium water distillation apparatus 1, 1A, 1B is applied to the primary contaminated water treatment apparatus, it can be considered as a solution for contaminated water treatment at a practical level.
  • the distillation is performed at 40 ° C., but the present invention is not limited to this, and the distillation may be performed at a temperature lower than 40 ° C.
  • a large heat pump vapor compressor
  • the cost increases and the apparatus becomes extremely large, making it unsuitable for practical use. It becomes. Therefore, it is practical to adopt a configuration in which distillation is performed in a practical temperature range in consideration of the improvement in relative volatility and the compression ratio.
  • the present invention can be applied to a tritium water distillation apparatus, a tritium water distillation method, and the like.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

L'invention porte sur : un appareil de distillation d'eau tritiée, lequel appareil présente des performances de séparation (volatilité relative) et peut réduire le nombre de plaques théoriques à un niveau praticable, et lequel est miniaturisé, et est, par conséquent, praticable; et sur un procédé de distillation d'eau tritiée. Un appareil de distillation d'eau tritiée (1) sépare une eau brute, à savoir une eau légère (H2O) qui contient de de l'eau tritiée (HTO ou T2O) en une eau tritiée ayant une concentration supérieure à celle de l'eau brute et en une eau tritiée ayant une concentration inférieure à celle de l'eau brute. L'appareil de distillation (1) comporte une colonne de distillation (2) dans laquelle une distillation est effectuée à une température descendant jusqu'à 40°, et dans laquelle des perles de gel de silice sont utilisées comme rembourrages. La colonne de distillation (2) comporte un condenseur (3) au sommet de la colonne, et une pompe à vide (5) est relié au condenseur (3). L'intérieur de la colonne de distillation (2) est maintenu à un degré de vide élevé prescrit par la pompe à vide (5), de telle sorte que l'eau brute peut être distillée dans la colonne de distillation (2) à une température descendant jusqu'à 40°. Une ligne de chauffage/circulation (L1) est disposée en bas de la colonne de distillation (2), et la ligne de chauffage/circulation (L1) comporte une pompe de circulation (6) et un élément chauffant (4).
PCT/JP2014/069199 2013-12-27 2014-07-18 Appareil de distillation d'eau tritiée et procédé de distillation d'eau tritiée Ceased WO2015098160A1 (fr)

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JP2013-271913 2013-12-27

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Cited By (7)

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JP2017207353A (ja) * 2016-05-18 2017-11-24 日本システム企画株式会社 トリチウム水を含む汚染水の処理装置及び処理方法
JP2019035735A (ja) * 2017-08-21 2019-03-07 日鉄住金セメント株式会社 トリチウム水含有汚染水の処理方法
CN114180661A (zh) * 2020-09-14 2022-03-15 中核核电运行管理有限公司 基于精馏的核电站含氚重水除氚工艺及设备
JP2022072376A (ja) * 2020-10-29 2022-05-17 昌人 川畑 放射性物質処理方法
CN115180670A (zh) * 2022-06-07 2022-10-14 中国地质大学（武汉） 地下水氚样多级蒸发浓缩装置及前处理方法
CN116425253A (zh) * 2023-04-03 2023-07-14 中国工程物理研究院核物理与化学研究所 一种多塔串联的水精馏去氚装置及去氚方法
CN120164653A (zh) * 2025-05-16 2025-06-17 中核核电运行管理有限公司 一种含氚废液的处理装置

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JP2019035735A (ja) * 2017-08-21 2019-03-07 日鉄住金セメント株式会社 トリチウム水含有汚染水の処理方法
JP2024014909A (ja) * 2017-08-21 2024-02-01 日鉄セメント株式会社 トリチウム水含有汚染水の処理方法
JP2024174019A (ja) * 2017-08-21 2024-12-13 日鉄セメント株式会社 トリチウム水含有汚染水の処理方法
CN114180661A (zh) * 2020-09-14 2022-03-15 中核核电运行管理有限公司 基于精馏的核电站含氚重水除氚工艺及设备
JP2022072376A (ja) * 2020-10-29 2022-05-17 昌人 川畑 放射性物質処理方法
CN115180670A (zh) * 2022-06-07 2022-10-14 中国地质大学（武汉） 地下水氚样多级蒸发浓缩装置及前处理方法
CN115180670B (zh) * 2022-06-07 2024-01-09 中国地质大学（武汉） 地下水氚样多级蒸发浓缩装置及前处理方法
CN116425253A (zh) * 2023-04-03 2023-07-14 中国工程物理研究院核物理与化学研究所 一种多塔串联的水精馏去氚装置及去氚方法
CN120164653A (zh) * 2025-05-16 2025-06-17 中核核电运行管理有限公司 一种含氚废液的处理装置

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