Abstract

A continuously fed stainless steel anaerobic UASB and biological contact oxidation reactor were used in sequence for the experimentation. Dye wastewater which initial COD was 2850mg/L, the COD remove ratio reached to 72% by UASB, COD remove ratio reached to 99% by Biological Contact Oxidation pond. NV (Volume loading) of UASB reached to 1.83 kg COD/ (m3•d), NV of Biological Contact Oxidation pond reached to 1.12 kg COD/ (m3•d). Considering the development of UASB and biological contact oxidation,a dye wastewater treatment process was proposed.

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