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Evaluation of the Effects of Chemically Enhanced Primary Treatment on Landfill Leachate and Sewage Co-treatment in Publicly Owned Treatment Works

preprint
submitted on 30.12.2020, 17:08 and posted on 31.12.2020, 08:51 by Harsh Patel, Brian Brazil, Helen Lou, ManoJ Jha, Stephanie Luster-Teasley, renzun zhao
The objective of this study was to evaluate the effects of CEPT for leachate and sewage co-treatment in a POTW. The results showed that ferric and aluminum coagulants remove about 54 - 74% organic matter where ferric performed better than aluminum coagulant. However, ferric coagulant was found to exacerbate the UV absorbance after coagulation at high dose due to the interaction with dissolved organic matter by forming soluble transition metal complexes. These organo-metal complexes have been found to increase the UV absorbance and this study provides the scientific background for such phenomenon.

Funding

National Science Foundation (#1760710)

Waste Management, Inc.

History

Email Address of Submitting Author

hvpatel@aggies.ncat.edu

Institution

North Carolina A&T State University

Country

United States of America

ORCID For Submitting Author

0000-0002-7751-4371

Declaration of Conflict of Interest

No conflict of Interest