Sewage Treatment Worker Practice Test

The nutrient recovery process in sewage treatment primarily targets nitrogen and phosphorus due to their significance in environmental and agricultural contexts. Both of these nutrients are key components of fertilizers and are essential for plant growth.

During the treatment of wastewater, nitrogen, typically in the form of ammonia or nitrate, and phosphorus, often found phosphates, can contribute to eutrophication—a process where excess nutrients run off into water bodies, leading to overgrowth of algae and subsequent oxygen depletion. Recovering these nutrients helps to mitigate environmental impacts and allows for their reuse in agricultural applications.

By focusing on nitrogen and phosphorus during recovery, treatment facilities can reduce waste and promote sustainable practices in nutrient management, ultimately enhancing resource efficiency and protecting aquatic ecosystems.