Applicabilitylimitations

This process is used to treat aqueous waste streams containing less than 5% organics, pesticides, phenolics, organic sulfur, and cyanide wastewaters. At ethylene plants,

Zimpro Passavant provides wet air oxidation units for converting caustic liquors into nonhazardous effluents that can be treated biologically (Zimpro Environmental, Inc. 1993). These liquors are produced during scrubbing of ethylene gases. Table 11.14.7 lists hazardous wastes that are good candidates for the wet air oxidation process.

Skid-mounted units can be situated at disposal sites for pretreatment of hazardous liquid before deep welling, or for carbon regeneration and sludge oxidation.

TABLE 11.14.7 THE EPA HAZARDOUS WASTE LIST—GOOD CANDIDATES FOR WAO

F Classification:

F004, F005 F006

F007, F011, F015 F016

K Classification:

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