High-Rate Solids Contact Clarification – A Highly Versatile, Solids Separation Process for Drinking Water And Industrial Wastewater Applications

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Abstract:

This paper presents information, data and conclusions based on two pilot studies investigating high-rate clarification on an industrial wastewater application and a drinking water application. Pilot Study 1 tested a secondary effluent wastewater source from an industrial paper mill for the treatment of phosphorus to less than 0.10 mg/L effluent. Pilot Study 2 was completed on a groundwater source with relatively high hardness (320 – 330 mg/L as CaCO3) under a caustic softening treatment process. Both pilot studies demonstrated the effectiveness of the high-rate clarification process for treatment of varying and challenging water quality conditions for common treatment applications in both water and wastewater areas.

Keywords: Caustic Softening; Clarification; High-Rate Clarification; Phosphorus; Solids Separation; Thickening

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864710798193770

Publication date: January 1, 2010

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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