Planned expansion and asset renewal of an operating company's water reclamation facility (WRF) in the Chicago suburbs required the need to comply with new stringent nutrient discharge limits. Located in a residential/commercial area, the 1.5 million gallon per day (MGD) facility currently serves a population of about 7,500.
Volatile Organic Compounds (VOCs) are potentially dangerous compounds created by both human industry and natural processes that vaporize under normal atmospheric conditions. VOC levels are much higher in indoor environments as they can be emitted by many manufactured products such as carpet, paint, and cleaning supplies. Outdoor sources can include landfills, industry, and hydrocarbon emissions.
Wastewater is any water that has been contaminated by human activity. Municipal wastewater is sanitary sewage from houses, offices, schools, and factories that is collected and treated at a central facility. It often includes process wastewater from small factories and businesses. Process wastewater from large factories, refineries, food processing facilities, and power plants is usually not discharged to a sanitary sewer. Instead, the water is treated onsite and discharged.
Dry sorbent injection using sodium sorbent is a low-cost alternative to a semi-wet or wet scrubbing system for the removal of HCl and SO2. The process requires no slurry equipment or reactor vessel because the sorbent is stored and injected dry into the flue duct where it reacts with the acid gas.