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Title: Impact of EBPR on Dewaterability (#4827)

PROJECT NUMBER:

NUTR5R14d

PROJECT MANAGER:

Christine Radke (x)
The Water Research Foundation

PRINCIPAL INVESTIGATOR:

Johannes B. Neethling, Ph.D., P.E., BCEE
HDR, Inc.
jb.neethling@hdrinc.com

STATUS:

Completed

LAST UPDATED:

1/16/2019

REPORT DESCRIPTION:

This research explores ways to improve dewaterability by increasing the free water fraction following the theory that only free water can be removed through mechanical dewatering. The method uses a two-step approach by first dewatering the sample and then measuring the residual water fractions, specifically the interstitial water fraction. The researchers evaluated the impact of chemical conditioning to improve or recover the dewaterability of digested solids, both enhanced biological phosphorus removal (EBPR) solids and non-EBPR solids, in terms of cake concentration and interstitial water. Published by WRF. 70 pages. Online PDF. (2019)

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