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A plant operator is an employee who supervises the operation of an industrial plant.The term is usually applied to workers employed in utilities, wastewater treatment plants, power plants or chemical plants such as gas extraction facilities, petrochemical or oil refineries.
Wisconsin Department of Natural Resources - Wastewater Operator Certification. Biological Treatment - Attached-Growth Processes Study Guide, February 2016 Edition; Penn State Harrisburg Environmental Training Center Wastewater Treatment Plant Operator Certification Training - Module 21: Rotating Biological Contactors
Sewage treatment plant (a type of wastewater treatment plant) in La Crosse, Wisconsin. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment.
The water industry includes water engineering, operations, water and wastewater plant construction, equipment supply and specialist water treatment chemicals, among others. The water industry is at the service of other industries, e.g. of the food sector which produces beverages such as bottled water. [2]
The Durham Wastewater Treatment Facility opened in 1976, which replaced 14 smaller treatment plants. [4] Two years later six more treatment plants were replaced with the opening of the Rock Creek Wastewater Treatment Facility. As population continued to grow in the service area of USA, the water quality of the Tualatin River worsened.
As their family grew over the next decade—with six kids in all—Jerry worked a series of factory and corporate jobs: chemist at a sewage-treatment plant, pharmaceutical salesman, computer operator, cereal packaging designer and, eventually, shift manager. Marge and Jerry Selbee at their kitchen table in 1974. COURTESY OF DAWN TOMLINSON
"When domestic wastewater is treated, a solid by-product accumulates in the wastewater treatment plant and must be removed periodically to keep the plant operating properly. The collected material, called biosolids or more commonly "sewage sludge," is high in organic content, and contains moderate amounts of nutrients that are needed by plants.
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