New construction methods have been developed primarily in Europe and Japan for underground pipeline work. The new methods, known as trenchless techniques, are primarily used when existing underground pipes can…
…streets, and significant rock excavation. The completed Lake Oswego Interceptor Sewer (LOIS) system includes a 10,000–foot-long underwater buoyant system, consisting of 22- to 42-inch high density polyethylene pipe. This innovative…
…high-income urban areas in other countries, sewers are usually closed and underground. Wastewater in closed underground sewers is not believed to be a significant source of CH4.” In contrast to…
The cyclic ether 1,4-dioxane, widely used as a stabilizer in chlorinated organic solvents, also has a myriad of other uses. This compound is poorly retarded in groundwater flow systems, and…
…multi-partner Mountains to Sound Greenway Trust biosolids forestry program and the privatized production of GroCo compost. Recently, interest in increasing Class A biosolids production has emerged due, in part, to…
Because the process objective is more appropriately focused on the clarified liquid rather than the thickened underflow, the unit operation discussed herein is referred to as primary clarification and the…
To sustain success the managers of the City of Columbus, Ohio sewer collection system want to better understand their resource costs. They want to understand why, how, and how much…