GB908199A - Thoria-urania sols - Google Patents

Thoria-urania sols

Info

Publication number
GB908199A
GB908199A GB42154/60A GB4215460A GB908199A GB 908199 A GB908199 A GB 908199A GB 42154/60 A GB42154/60 A GB 42154/60A GB 4215460 A GB4215460 A GB 4215460A GB 908199 A GB908199 A GB 908199A
Authority
GB
United Kingdom
Prior art keywords
solution
sols
electrolytes
anion
water
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
GB42154/60A
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB908199A publication Critical patent/GB908199A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004—Preparation of sols
    • B01J13/0008—Sols of inorganic materials in water
    • B01J13/0017—Sols of inorganic materials in water by extraction of ions from aqueous solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004—Preparation of sols
    • B01J13/0047—Preparation of sols containing a metal oxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F15/00—Compounds of thorium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C01G43/025—Uranium dioxide
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/44—Fluid or fluent reactor fuel
    • G21C3/46—Aqueous compositions
    • G21C3/48—True or colloidal solutions of the active constituent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • C01P2004/86—Thin layer coatings, i.e. the coating thickness being less than 0.1 time the particle radius
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Cosmetics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Hydrothermally stable sols. comprising homogeneous colloidal particles of ThO2 and UO2 dispersed in water and/or heavy water substantially free from electrolytes, are prepared by gradually removing by hydrolysis anions from an aqueous solution of thorium chloride and uranium tetrachloride until the solution is substantially free from electrolytes. The anions may be removed by dialysis using an anion-permeable membrane or by passing the solution through a bed of anion-exchange resin in the hydroxide form. The aqueous solution may be maintained at an elevated temperature, preferably 60 DEG to 100 DEG C., in a reservoir and gradually fed first to the anion-removing station where the solution temperature is preferably 15 DEG to 35 DEG C., and then back to the reservoir, the operation being continued until the solution is substantially free from electrolytes. The sols. may be clad with silica to improve their hydrothermal stability, by adding a silica sol., e.g. containing 2% SiO2 to the thoria-urania sol. preferably followed by stabilization of the product by heating under non-evaporative conditions in the presence of a base, e.g. metal hydroxides, especially sodium hydroxide, which is stable under reaction conditions and which contains elements of low thermal neutron cross-section. The sols. may be diluted by the addition of de-ionized water or water of low ionic content.
GB42154/60A 1960-01-08 1960-12-07 Thoria-urania sols Expired GB908199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US116060A 1960-01-08 1960-01-08

Publications (1)

Publication Number Publication Date
GB908199A true GB908199A (en) 1962-10-17

Family

ID=21694677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42154/60A Expired GB908199A (en) 1960-01-08 1960-12-07 Thoria-urania sols

Country Status (3)

Country Link
DE (1) DE1169422B (en)
GB (1) GB908199A (en)
NL (2) NL125872C (en)

Also Published As

Publication number Publication date
NL259458A (en)
DE1169422B (en) 1964-05-06
NL125872C (en)

Similar Documents

Publication Publication Date Title
SE7710634L (en) PRODUCTS BASED ON VERMICULITE AND SET FOR THEIR PREPARATION
GB957354A (en) Coated uranium dioxide
GB932078A (en) Preparation of high-density compactible thorium oxide particles
GB908199A (en) Thoria-urania sols
GB1188396A (en) Treatment of Radioactive Liquids
ES339339A1 (en) Method of preparing concentrated silica sols
GB934813A (en) Improvements in or relating to actinide metal oxide sols
GB910212A (en) Uranium oxide sols
GB965693A (en) Improvements in or relating to sols of urania,plutonia and thoria
GB905920A (en) Improvements relating to thoria sols
GB881151A (en) Plutonium concentration and decontamination method
GB1090547A (en) Process for the preparation of thoria sols
GB1069296A (en) Polymerisation process
GB896439A (en) Cellulose derivatives useful as anion-exchange materials and their application
GB965692A (en) Preparation of uranium and thorium oxide sols
GB1108316A (en) Improvements in or relating to uranium-dioxide containing aquasols
GB1110252A (en) Silica sols
GB1281508A (en) Production of uranium dioxide
GB997810A (en) Process for the manufacture of 2,2,2-trifluoro-ethyl alcohol
GB1010005A (en) Aluminium oxide depot vaccines
GB939920A (en) Process for the production of 1, 1, 1, -trifluoro-2-chloro-2-bromoethane
GB951671A (en) Concentrated silica sols
GB782474A (en) Production of silica hydro-organosols and aerogels
ES384055A3 (en) Procedure to treat paper with soles siliccos. (Machine-translation by Google Translate, not legally binding)
GB973839A (en) Improvements in sols containing actinide metals