In a First Nations community not far from Edmonton, there has been a boil water advisory in place for many years. The groundwater has been contaminated with iron and arsenic for a long time and they do not have a working water treatment facility in place.
Students will learn about the sources of ammonia in ground water, the consequences of high ammonia concentrations in water supplies, and the manner in which these problems are usually dealt with. Students will learn about biological filtering as a way to use bacteria to remove ammonia from water. Students will learn about the chemical reaction between chlorine and ammonia which results in the creation of chloramine and will learn about chloramine. Students will be able to demonstrate calculations involving concentrations, volumes and dilution factors.