Project #2821

Gas Supersaturation, Bubble Formation, and Treatment Plant Performance

$201,370
Completed
Principal Investigator
Marc
Edwards
Research Manager
Jason Allen
Contractor
Virginia Polytechnic Institute & State University
Advanced Treatment
Sensors
Treatment

Abstract

Investigates fundamental aspects of gas supersaturation and bubble formation that affect coagulation processes and turbidity measurement. Reports on use of a total dissolved gas probe that directly measures the combined activity of all gases in water (nitrogen, oxygen, carbon dioxide, and argon), followed by examination of the influence of gas saturation on turbidimeter performance, the role of bubble formation in filtration, and the consequences of bubble formation on coagulation. Also examines several parameters of filter operation including porosity, water head, constant rate versus constant head, and mono versus dual media filters. Studies bubble formation and coagulation by using a systematic approach to see which coagulants are more prone to producing bubbles. Published in 2004.

Resources