Process for treating waste waters containing aromatic nitro compounds
Alkaline waste waters containing 100-3000 ppm benzene and 1000-10000 ppm nitrobenzene is treated by separating undissolved benzene and/or nitrobenzene from the alkaline waste water; optionally, stripping residual benzene and/or nitrobenzene from the alkaline waste water; and heating the alkaline was...
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Zusammenfassung: | Alkaline waste waters containing 100-3000 ppm benzene and 1000-10000 ppm nitrobenzene is treated by separating undissolved benzene and/or nitrobenzene from the alkaline waste water; optionally, stripping residual benzene and/or nitrobenzene from the alkaline waste water; and heating the alkaline waste water from 150-500[deg]C under pressure in the absence of oxygen. |
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