8 articles
Learn how municipal wastewater moves through preliminary, primary, biological, clarification, disinfection, and solids-handling processes, and how operators monitor flow, loading, treatment performance, and effluent quality.
Learn wastewater preliminary treatment, including bar screens, fine screens, comminutors, grinders, grit removal, screenings handling, head loss, flow effects, maintenance, and troubleshooting.
Learn primary wastewater treatment and primary clarification, including settling, scum removal, sludge collection, detention time, surface overflow rate, solids removal, hydraulic loading, process monitoring, and troubleshooting.
Learn attached-growth wastewater treatment using trickling filters and rotating biological contactors, including biofilm, media, recirculation, loading, oxygen transfer, sloughing, secondary clarification, monitoring, and troubleshooting.
Learn wastewater lagoon and treatment pond fundamentals, including stabilization ponds, aerated lagoons, loading, detention time, algae, dissolved oxygen, sludge, seasonal effects, monitoring, and troubleshooting.
Learn wastewater process control using flow, mass loading, BOD, COD, TSS, dissolved oxygen, sludge production, hydraulic loading, trend analysis, and systematic response to organic, hydraulic, and toxic shock loads.
Learn tertiary and advanced wastewater treatment, including filtration, nutrient removal, membranes, disinfection, effluent polishing, water reuse, treatment barriers, monitoring, and operator troubleshooting.
Learn industrial pretreatment fundamentals, including industrial discharges, interference, pass through, prohibited discharges, local limits, monitoring, sampling, slug loads, operator warning signs, and wastewater treatment impacts.