Case Study of a Multi-Stage Filtration System for Remote and Northern Communities in Canada

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Creator: 

Charron, Celia Lee

Date: 

2016

Abstract: 

A pilot multi-stage filtration system for water treatment was operated at two sites with phosphorous nutrient limited and nutrient rich source waters. The system had two parallel treatment trains: Train 1 consisted of pre-ozonation, roughing filtration and slow sand filtration (SSF); and Train 2 consisted of pre-ozonation, roughing filtration and biofiltration (BF). Nutrient limited conditions exhibited lower DOC removals than nutrient rich conditions when ozone was present (9.3% vs 26% DOC removal, respectively). However, there was no difference in removal when no ozone was present (5.6% vs 6.4% DOC removal, respectively). At the nutrient limited site, there was no overall difference between removals in the SSF and BF under conditions with and without ozone (p>0.05). At the nutrient rich site applied ozone resulted in a difference in removal between the SSF and BF trains (p<0.05), while there was no difference between the trains when no ozone was present (p>0.05).

Subject: 

Engineering - Environmental

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Environmental

Parent Collection: 

Theses and Dissertations

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