Chemistry of Water Treatment Introduction

3%

Heavy metals, turbidity, organic compounds, pathogens

83%

<p>Gases such as oxygen, carbon dioxide, ammonia; inorganic compounds such as sodium chloride, calcium sulphate; organic substances such as humic acids, carbohydrates</p> Signup and view all the answers

<p>Solids that are relatively large and settle easily under quiescent conditions</p> Signup and view all the answers

<p>Evidence that suggested the source of the outbreak was the public water system rather than foul air.</p> Signup and view all the answers

<p>From preventing water-borne illnesses caused by microorganisms to considering potential health problems related to anthropogenic water pollution and the impact of water treatment on public health.</p> Signup and view all the answers

<p>Receiving waters were considered large enough and the mixing or detention time was considered long enough to allow the contaminants to be diluted or degraded.</p> Signup and view all the answers

<p>The pollution of rivers and streams was not such a significant problem.</p> Signup and view all the answers

<p>Although three-quarters of the earth’s surface is covered with water, most of it is not readily amenable to human needs.</p> Signup and view all the answers