WASTEWATER - By Rick Lallish
What type of pond is often used to treat strong industrial wastes?
A. Aerobic
B. Anaerobic
C. Facultative
D. Mechanically aerated
Answer: B. Anaerobic ponds are most often used to treat strong industrial and agricultural wastes. Some are used for pretreatment as well. They are used to reduce wastewater strength and do not provide complete treatment. They are normally followed by a more conventional treatment method. Anaerobic ponds are devoid of any oxygen sources, including nitrate or nitrite. More information can be found in the Water Environment Federation training manual, Wastewater Treatment Fundamentals 1 – Liquid Treatment, Chapter 6.DRINKING WATER - By
