The Role of Colloids in Nuclear Waste Disposal

1983 ◽  
Vol 26 ◽  
Author(s):  
A. Avogadro ◽  
G.De Marsily
Keyword(s):  
Ground Water ◽  
Nuclear Waste ◽  
Waste Disposal ◽  
Column Experiments ◽  
Colloidal Transport ◽  
Container Material ◽  
Colloidal Fraction ◽  
Filtration Model

ABSTRACTAspects of formation and characterization of a radioactive colloidal fraction released by the waste form or produced by association with microcolloids naturally existing in ground water or produced either by corrosion of container material or by degradation of backfill material are discussed. A filtration model has been developed in order to describe colloidal transport under field conditions. Comparison between data obtained with laboratory column experiments and theoretical evaluations is presented.

Characterization of Mechanical Properties of Nuclear Waste Glasses

1981 ◽  
Vol 11 ◽  
Author(s):  
Herbert Richter ◽  
Peter Offermann
Keyword(s):  
Mechanical Properties ◽  
Nuclear Fuel ◽  
Nuclear Waste ◽  
Waste Disposal ◽  
Fuel Cycle ◽  
Nuclear Fuel Cycle ◽  
Safety Barrier

Part of nuclear fuel cycle waste is highly dangerous, and must be safely isolated from people. Although the site of the final waste disposal must be the main safety barrier, the form of the waste and its properties are also important considerations.

Thermal characterization of iron phosphate glasses for nuclear waste disposal

2011 ◽  
Vol 33 (12) ◽  
pp. 1975-1979 ◽  
Author(s):  
A.S. Pinheiro ◽  
Z.M. da Costa ◽  
M.J.V. Bell ◽  
V. Anjos ◽  
N.O. Dantas ◽  
...  
Keyword(s):  
Nuclear Waste ◽  
Waste Disposal ◽  
Thermal Characterization ◽  
Iron Phosphate ◽  
Nuclear Waste Disposal ◽  
Phosphate Glasses ◽  
Iron Phosphate Glasses

Radioactive Waste Disposal in Germany: No Site Decision - Keeping Competence

2007 ◽  
Author(s):  
Bernhard Kienzler ◽  
Horst Geckeis ◽  
Klaus Gompper ◽  
Reinhardt Klenze
Keyword(s):  
Nuclear Waste ◽  
Waste Disposal ◽  
Research Programme ◽  
Radioactive Waste Disposal ◽  
Leading Role ◽  
Fundamental Understanding ◽  
Safety Case ◽  
Framework Programmes ◽  
Trace Concentrations

The research programme of the Institut fu¨r Nukleare Entsorgung (INE) at the Forschungszentrum Karlsruhe is dedicated to elaborate the fundamental understanding of radionuclide/actinide interactions with various components of the groundwater and with the relevant hostrock materials at disposal relevant trace concentrations. INE’s research programme was not biased after enactment of the Gorleben moratorium in 2001. This paper presents current R&D with respect to application in performance assessment/safety case of nuclear waste disposal. Focus is given to the leading role of the institute in various projects within EU framework programmes.

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