5. Coating processes using organic binders
5.1 Bitumen coating
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Principle
Bitumen has been used to coat solid low-level radioactive waste. The coated waste is then contained in metal drums. The relatively low cost of bitumens and their physico-chemical and mechanical characteristics make them attractive for non-nuclear solid waste solidification processes. The principle of solidification consists in homogeneously dispersing granular waste in the bitumen matrix. The viscosity of bitumen, which is very high at room temperature, results in a relatively solid, impermeable material in which the pollutants contained in the waste are confined.
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Bitumen properties
Bitumen is a complex mixture of high-molecular-weight...
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Coating processes using organic binders
Development prospects
Bibliography
Events
Congress
WASCON (Waste materials in construction). These conferences are held every three years and provide an update on stabilization techniques, with particular emphasis on the possibilities for recycling the resulting materials. Proceedings are published by Elsevier (Pergamon).
Two conferences have been held in France on stabilization-solidification processes, in Nancy in 1995 and Lyon in 1999....
Standards and norms
French Standards Association (AFNOR)
- Waste – Guidance for the selection of a waste leaching test. - XP X 30-417 - Mai 2002
- Waste – Determination of massive solid character. - XP X 31-212 - Juillet 1995
- Waste – Leaching test on a solid waste initially massive or generated...
Regulations
Below is a reminder of the main legislation on waste disposal cited in this article.
European Union
Directive no. 2008/98/EC of November 19, 2008 on waste and repealing certain directives.
Directive no. 1999/31/EC of April 26, 1999 on the landfill of waste.
Directive no. 1999/45/EC of May 31, 1999 concerning the approximation...
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