Phosphate companies use well-stirred tanks to regulate the concentration of ammonia they discharge via their wastewater, preventing ammonia spikes from exceeding the cap set by the Environmental Protection Agency. This report discusses the methods used to determine the minimum possible volume of the tank required to regulate wastewater discharge. With this information, it was determined that the use of a stirring tank is an efficient and cost effective way to regulate ammonia discharge. Based on these results many other companies may use this method to decrease the negative effects of ammonia on the environment.
"Sizing of an Ammonia Discharge Tank,"
Undergraduate Journal of Mathematical Modeling: One + Two:
2, Article 10.
DOI: http://dx.doi.org/10.5038/2326-36184.108.40.206 Available at: http://scholarcommons.usf.edu/ujmm/vol3/iss2/10
Brian Curtin, Mathematics and Statistics
Scott Campbell, Chemical & Biomedical Engineering