Thermal decontamination of railway sleepers for recycling. Changes in mechanical wood properties

Christelle Ganne-Chédeville, Ingo Mayer, Julien Ropp & Frédéric Pichelin
Old creosote-treated sleepers are considered as a problematic waste and their use is strictly regulated. It has been shown that decontamination by a conduction thermal treatment up to 220°C under vacuum conditions and longer than 20 hours allows a significant PAHs removal from the wood tissue. After decontamination the sleepers could be re-used in a solid form with a low impact on the environment. In order to evaluate the possible applications of decontaminated wood railway...
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