IT1016219B - Procedimento per il trattamento dei filtri metallici porosi per la separazione isotopica del l uranio - Google Patents

Procedimento per il trattamento dei filtri metallici porosi per la separazione isotopica del l uranio

Info

Publication number
IT1016219B
IT1016219B IT51789/74A IT5178974A IT1016219B IT 1016219 B IT1016219 B IT 1016219B IT 51789/74 A IT51789/74 A IT 51789/74A IT 5178974 A IT5178974 A IT 5178974A IT 1016219 B IT1016219 B IT 1016219B
Authority
IT
Italy
Prior art keywords
uranium
procedure
treatment
porous metallic
isotopic separation
Prior art date
Application number
IT51789/74A
Other languages
English (en)
Inventor
P Bergez
J Touboul
R Lacroix
P Plurien
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of IT1016219B publication Critical patent/IT1016219B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
    • B01D67/00411—Inorganic membrane manufacture by agglomeration of particles in the dry state by sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027—Metallic material
    • B01D39/2031—Metallic material the material being particulate
    • B01D39/2034—Metallic material the material being particulate sintered or bonded by inorganic agents
    • 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
    • B01D59/10—Separation by diffusion
    • B01D59/12—Separation by diffusion by diffusion through barriers
    • B01D59/14—Construction of the barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/022—Metals
    • B01D71/0223—Group 8, 9 or 10 metals
    • B01D71/02232—Nickel
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/34—Embedding in a powder mixture, i.e. pack cementation
    • C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
    • C23C10/48—Aluminising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT51789/74A 1973-07-26 1974-06-28 Procedimento per il trattamento dei filtri metallici porosi per la separazione isotopica del l uranio IT1016219B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7327357A FR2309271A1 (fr) 1973-07-26 1973-07-26 Procede de fabrication de filtres metalliques microporeux

Publications (1)

Publication Number Publication Date
IT1016219B true IT1016219B (it) 1977-05-30

Family

ID=9123151

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51789/74A IT1016219B (it) 1973-07-26 1974-06-28 Procedimento per il trattamento dei filtri metallici porosi per la separazione isotopica del l uranio

Country Status (7)

Country Link
US (1) US4053662A (it)
BE (1) BE817272A (it)
CA (1) CA1040938A (it)
FR (1) FR2309271A1 (it)
GB (1) GB1477340A (it)
IT (1) IT1016219B (it)
NL (1) NL7409927A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2655310C3 (de) * 1976-12-07 1982-01-14 Kernforschungsanlage Jülich GmbH, 5170 Jülich Filter zur Reinigung eines strömenden Gases von einer als atomare oder molekulare Teilchen vorliegenden Substanz
FR2550953B1 (fr) * 1977-04-12 1987-02-20 Commissariat Energie Atomique Procede de fabrication de membranes minerales permeables
US4268278A (en) * 1978-05-16 1981-05-19 Monsanto Company Inorganic anisotropic hollow fibers
US4175153A (en) * 1978-05-16 1979-11-20 Monsanto Company Inorganic anisotropic hollow fibers
US7733263B1 (en) * 1978-07-11 2010-06-08 The United States Of America As Represented By The Secretary Of The Air Force Infrared camouflage coating system
US4545193A (en) * 1983-04-15 1985-10-08 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method for piecing fasciated yarn
CH660309A5 (de) * 1983-07-12 1987-04-15 Sulzer Ag Verfahren zur herstellung eines filters sowie nach dem verfahren hergestelltes filter.
FR2619952B1 (fr) * 1987-09-01 1989-11-17 Pechiney Uranium Procede d'epuration des traces d'elements radioactifs generes lors du stockage de l'uranium issu du retraitement des combustibles nucleaires irradies
US5378426A (en) * 1992-10-21 1995-01-03 Pall Corporation Oxidation resistant metal particulates and media and methods of forming the same with low carbon content
NL9300716A (nl) * 1993-04-27 1994-11-16 Gastec Nv Poreus lichaam geschikt voor gebruik in een corrosieve omgeving en een werkwijze voor de vervaardiging daarvan.
DE10316929B3 (de) * 2003-04-07 2004-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines offenporigen Formkörpers ein solcher Formkörper sowie dessen Verwendung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748105A (en) * 1971-02-25 1973-07-24 Allegheny Ludlum Ind Inc Corrosion resistant powder metal parts

Also Published As

Publication number Publication date
CA1040938A (en) 1978-10-24
FR2309271B1 (it) 1978-04-21
US4053662A (en) 1977-10-11
GB1477340A (en) 1977-06-22
FR2309271A1 (fr) 1976-11-26
BE817272A (fr) 1976-11-26
NL7409927A (nl) 1976-10-29

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