TagsStories About Return Activated Sludge (RAS)

Stories About Return Activated Sludge (RAS)

Does Your Facility Face problems with Filaments and Foam? This Plant Tested a Solution
Does Your Facility Face problems with Filaments and Foam? This Plant Tested a Solution
Editorial
October 19, 2021

A Washington clean-water plant successfully tests polymer addition to control Nocardioform foaming in a high-purity oxygen treatment process

Optimize Your Clarifier for Biological Phosphorus Removal
Optimize Your Clarifier for Biological Phosphorus Removal
Online Exclusives
April 17, 2017
Enhanced settling and compaction, combined with minimal sludge disturbance and low retention time, significantly reduce the potential for denitrification and phosphorus release
One-hundred-year storms: Mitigate adverse effects of high flows
Online Exclusives
March 25, 2013
All for One
All for One
Editorial
April 18, 2011
Strong teamwork among a small do-it-all staff drives success for an award-winning 8.25 mgd activated sludge plant in Madison, Ala.