Be sure and include information regarding d

You are a consultant who has been hired by a city to help treat hydrocarbon-laden wastewater in its pre-treatment system. Discuss the calculations you would make in order to determine the risks associated with the ambient air environment, relative to the pumps, mixers, and other electrical equipment that the city has already elected to use in the pre-treatment process.

You are a consultant who has been hired by a city to help treat hydrocarbon-laden wastewater in its pre-treatment system. Specifically, the client knows that there is a significant concentration of ethane in the influent waste stream. Discuss the importance of understanding the solubility of ethane in the wastewater, relative to the process efficiency and relative safety of the entire pre-treatment system, and describe the steps that you would take to fully understand the ambient air quality of the system.

· Discuss the necessary design features of a biological filtration system. Be sure and include information regarding distribution, volume, and media considerations and options.

· Discuss the necessary design features of a secondary settlement tank. Be sure and include information regarding capacity design considerations in your discussion.