Abstract
Coke plant wastewater contain many toxic pollutants. Despite physico-chemical and biological treatment this specific type of wastewater has a significant impact on environment and human health. This article presents results of research on industrial adsorptive coke plant wastewater treatment. As a sorbent the coke dust, dozen times less expensive than pulverized activated carbon, was used. Treatment was conducted in three scenarios: adsorptive after full treatment with coke dust at 15gL−1, biological treatment enhanced with coke dust at 0.3–0.5gL−1 and addition of coke dust at 0.3gL−1 prior to the biological treatment. The enhanced biological treatment proved the most effective. It allowed additional removal of 147–178mgCODkg−1 of coke dust.
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