Thermal Desorption

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Thermal Desorption Thermal is a treatment process whereby heat is applied to materials, such as waste soils, sediments, slurries and filter cakes, in order to remove (vaporise) volatile contaminants (e.g. oils and solvents). Along with such volatile contaminants, thermal desorption will also vaporise water contained within the material and therefore a thermal desorption plant also functions, and may be referred to, as a “dryer”. A schematic of a typical indirect thermal desorption process is summarised in Figure 1 below[1].

EA Thermal Desorption Diagram from Guidance 382_12 : All rights reserved
EA Thermal Desorption Diagram from Guidance 382_12 : All rights reserved

References