ES471081A1 - Treatment of fission products - Google Patents

Treatment of fission products

Info

Publication number
ES471081A1
ES471081A1 ES471081A ES471081A ES471081A1 ES 471081 A1 ES471081 A1 ES 471081A1 ES 471081 A ES471081 A ES 471081A ES 471081 A ES471081 A ES 471081A ES 471081 A1 ES471081 A1 ES 471081A1
Authority
ES
Spain
Prior art keywords
fission products
treatment
mixture
temperature
zh2o
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.)
Expired
Application number
ES471081A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uranium Pechiney
Pechiney SA
Original Assignee
Uranium Pechiney
Pechiney Ugine Kuhlmann SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uranium Pechiney, Pechiney Ugine Kuhlmann SA filed Critical Uranium Pechiney
Publication of ES471081A1 publication Critical patent/ES471081A1/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28Treating solids
    • G21F9/30Processing
    • G21F9/301Processing by fixation in stable solid media
    • G21F9/302Processing by fixation in stable solid media in an inorganic matrix

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Procedimiento para el acondicionamiento de los productos de fisión procedentes de un reprocesamiento de combustibles irradiados por vía seca, con vistas a realizar un producto resultante, que ofrezca una gran inocuidad con relación al ambiente, caracterizado porque se constituye una mezcla que comprende una proporción mayor de una zeolita de fórmula nSiO2, m Al2O3, MO, zH2O y una proporción menor de productos de fisión brutos de tratamiento, llevándose la mezcla a su temperatura de fusión según una velocidad apropiada de elevación de temperatura, y porque se mantiene esta temperatura hasta la obtención de una fase homogénea y se deja refrigerar.Procedure for the conditioning of fission products from a reprocessing of dry irradiated fuels, with a view to producing a resulting product that offers great safety in relation to the environment, characterized in that a mixture is constituted that comprises a greater proportion of a zeolite of formula nSiO2, m Al2O3, MO, zH2O and a minor proportion of crude fission products of treatment, the mixture being brought to its fusion temperature according to an appropriate rate of temperature rise, and because this temperature is maintained until obtaining of a homogeneous phase and allowed to cool.

ES471081A 1977-06-24 1978-06-23 Treatment of fission products Expired ES471081A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7720228A FR2395573A1 (en) 1977-06-24 1977-06-24 PROCESS FOR PACKAGING FISSION PRODUCTS FROM THE TREATMENT OF IRRADIED FUELS BY DRY METHOD

Publications (1)

Publication Number Publication Date
ES471081A1 true ES471081A1 (en) 1979-04-01

Family

ID=9192822

Family Applications (1)

Application Number Title Priority Date Filing Date
ES471081A Expired ES471081A1 (en) 1977-06-24 1978-06-23 Treatment of fission products

Country Status (19)

Country Link
JP (1) JPS5412098A (en)
AU (1) AU3741178A (en)
BE (1) BE868376A (en)
BR (1) BR7803980A (en)
CA (1) CA1106589A (en)
DD (1) DD136558A5 (en)
DE (1) DE2827439A1 (en)
DK (1) DK280978A (en)
ES (1) ES471081A1 (en)
FR (1) FR2395573A1 (en)
GB (1) GB2000360A (en)
GR (1) GR62683B (en)
IT (1) IT1096794B (en)
LU (1) LU79863A1 (en)
NL (1) NL7806794A (en)
PT (1) PT68206A (en)
SE (1) SE7807119L (en)
SU (1) SU795522A3 (en)
ZA (1) ZA783607B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479541A1 (en) * 1980-03-27 1981-10-02 Gagneraud Pere Fils Entr METHOD FOR BLOCKING ALKALI AND ALKALINE-EARTH RADIO-ACTIVE ELEMENTS
US4659477A (en) * 1982-08-16 1987-04-21 Pedro B. Macedo Fixation of anionic materials with a complexing agent

Also Published As

Publication number Publication date
IT1096794B (en) 1985-08-26
DE2827439A1 (en) 1979-01-04
GR62683B (en) 1979-05-22
NL7806794A (en) 1978-12-28
ZA783607B (en) 1979-07-25
PT68206A (en) 1978-07-01
SE7807119L (en) 1978-12-25
DK280978A (en) 1978-12-25
IT7824841A0 (en) 1978-06-22
BR7803980A (en) 1979-04-17
AU3741178A (en) 1980-01-03
BE868376A (en) 1978-12-22
SU795522A3 (en) 1981-01-07
GB2000360A (en) 1979-01-04
FR2395573A1 (en) 1979-01-19
DD136558A5 (en) 1979-07-11
JPS5412098A (en) 1979-01-29
FR2395573B1 (en) 1980-01-18
CA1106589A (en) 1981-08-11
LU79863A1 (en) 1979-02-12

Similar Documents

Publication Publication Date Title
AR229079A1 (en) NEW EXTERS AND ESTERS OF OXIMA, PROCEDURE FOR THEIR OBTAINING AND AGENTS THAT CONTAIN THEM, USEFUL TO PROMOTE THE GROWTH OF PLANTS AND PROTECT THEMSELVES
AR208781A1 (en) DEVICE FOR THE PYROLYSIS OF WASTE PRODUCTS
FI803207A7 (en) Box with safety lock
MX156155A (en) PROCEDURE TO PREPARE FIBER FORMING COPOLIESTERS
MX156154A (en) PROCEDURE TO PREPARE FIBER FORMING COPOLIESTERS
BR8002428A (en) BLOCKING DEVICE FOR SYNCHRONIZATION OF GEARS IN TRANSMISSION BOXES
BR7701753A (en) ORGANO SILICICAS COMPOSITES STABLE TO STORAGE, THAT HARDEN IN THE PRESENCE OF WATER TO FORM SELF-ADDING ELASTOMERS
AR225480A1 (en) NEW CRYSTALLINE INCLUSION COMPLEXES THAT RELEASE ETHYLENE, PROCEDURES FOR PRODUCING THEM AND COMPOSITIONS REGULATING THE GROWTH OF THE PLANTS CONTAINING THEM
ES493128A0 (en) PROCEDURE TO PURIFY CAPSULAR POLYSACCHARIDES PNEUMO-COCCICOS
SE7610089L (en) PROCEDURE AND DEVICE FOR CUTTING A BUNDLE OR A BAND OF RUES CONTAINING NUCLEAR FUEL
AR222194A1 (en) 2-AMINOPHENYL-BENZOXAZOL-SULFONIC ACID DERIVATIVES, PROCEDURE FOR THEIR OBTAINING AND COMPOSITIONS THAT CONTAIN THEM
AR219294A1 (en) NEW COMPOUNDS DERIVED FROM THE ACID N-FENIL-2-ALQUIL-PIRID-4-ONA-3-CARBOXILICO, METHOD FOR ITS PREPARATION AND REGULATORY COMPOSITION OF THE GROWTH OF PLANTS THAT INCLUDES THEM
MX146215A (en) THE NEW INDUSTRIAL USE AS FLAME RETARDERS FOR THERMOPLASTIC POLYESTERS AND POLYCARBONATES OF TETRABROMOBISPHENOL-A / EPICLORHIDRINA DERIVATIVES
AR223699A1 (en) DERIVATIVES OF 1-ALIL-TRIAZOL, PRODUCTION PROCEDURES AND PROTECTIVE COMPOSITIONS OF PLANTS CONTAINING THEM
ES471081A1 (en) Treatment of fission products
AT361094B (en) DEVICE FOR EMERGENCY COOLING THE STEAM GENERATING SYSTEM OF A NUCLEAR POWER PLANT
AR230616A1 (en) MODIFIED COLOPHONY ESTERS, PROCEDURE FOR THEIR PREPARATION AND COMPOSITIONS CONTAINING THEM
AR225454A1 (en) DERIVATIVES OF ETHER DIPHENILIC, PROCEDURE TO PREPARE THEM AND HERBICIDES COMPOSITIONS THAT CONTAIN THEM
AR227033A1 (en) PROCEDURE FOR HYDROXILLAR UNSATURATED OLEPHINE COMPOUNDS WITH 4 TO 36 CARBON ATOMS
AR226077A1 (en) PROCEDURE TO PRODUCE SODIUM DIVALPROATE ACID
AR225736A1 (en) ESTERS DERIVED FROM CYCLOPROPANOCARBOXYLIC ACID, PROCEDURE TO PREPARE IT AND INSECTICIDE COMPOSITIONS THAT CONTAIN THEM
FR1527816A (en) Perfluorinated alkyl-vinyl ethers bearing substituents, preparation of these ethers by pyrolysis of the corresponding salts, and their use as components of copolymers
ES496429A0 (en) A PROCEDURE FOR THE PREPARATION OF W-LACTAMS CONTAINING 5 TO 14 CARBON ATOMS
MX7105E (en) PROCESS TO PREPARE SODIUM ORTHOPHOSPHATE MIXTURES
AR225632A1 (en) FLUORINE DERIVATIVES OF 1-IMIDAZOL-1-IL FENOXI-BUTANO, PROCEDURE FOR ITS PRODUCTION AND FUNGICIDE COMPOSITIONS THAT CONTAIN THEM