| http://www.w3.org/ns/prov#value | - Wet air oxidation is used to treat and neutralise waste streams on-site.Photo by USFilter Zimpro SystemsClick here to enlarge imageConventional biological processes cannot effectively treat these odorous liquors, high in chemical oxygen demand (COD) and contaminants, such as sodium sulphides, mercaptans, phenols, and emulsified hydrocarbons.
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