Document Type



Master of Science (MS)


Environmental Engineering

First Advisor's Name

William J. Cooper

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Martin E. Quirke

Third Advisor's Name

Gary L. Amy

Date of Defense



It is well established that trihalomethanes, in drinking water are byproducts of chlorine disinfection. A method to predict the distribution and concentration of trihalornethanes is important because of health risks associated with chronic exposure to these compounds. A literature review has provided information on the chemistry of water chlorination and a data base developed in the laboratory has provided data on trihalomethane formation under various conditions. These data were used to generate rate constants for the formation of trihalomethanes.

Trihalornethane formation kinetics appeared to be influenced primarily by the presence of ammonia. The influence of pH is not as profound as indicated in literature. The rate of formation is low at and before breakpoint, whereas it increases after breakpoint.





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