Abstract
Supercritical water oxidation (SCWO) is a promising technology that respecting the environment destroys wastes definitely and allows an energy recovery. This process has been applied to many model compounds and real wastewaters at laboratory scale. However SCWO treatments at pilot plant scale of real wastewaters are much more limited in literature. Furthermore, the application of this technology to industrial wastewaters has some drawbacks as corrosion, salt deposition, management of biphasic wastes, presence of suspended solids and high costs, so nowadays the industrial scale-up is scarce and it is being delayed. As an attempt to reduce process costs, energy recovery from the effluent of the reactor has been studied by several authors. In this chapter, the main aspects of the SCWO are briefly described and the studies regarding energy recovery are summarized.
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