Study on the Mechanism for Removing PAHs from Coal Tar Processing Wastewater by Coagulation
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Graphical Abstract
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Abstract
The complex coagulant composed of coal cinder and PAM can remove PAHs from coal tar processing wastewater efficiently, and the removal of naphthalene is more than 40%. This indicates that the method of adding material to increase turbidity of wastewater can remove the dissolved PAHs. Factors influencing removal and the mechanism for removing PAHs by coaguation are discussed.
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