Lesson 1Primary treatment: role of primary clarifiers, alternative solids capture strategies, and when primary treatment can be omittedDis part explain di role a primary treatment inna solids capture an load reduction, cover primary clarifier design, alternative high-rate capture option dem, impact pon downstream unit dem, an when fi skip primary treatment.
Primary clarifier hydraulics and sizingSolids and BOD removal performance targetsHigh-rate primary and fine screening optionsEffect of primary treatment on BNR designCriteria for omitting primary treatmentLesson 2Secondary clarification and solids management: secondary clarifier designs, overflow rates, sludge return and wasting strategiesDis part cover secondary clarifier role dem, design parameter dem, an operational strategy dem. Topic dem include clarifier type dem, surface overflow an solids loadin rate dem, sludge blanket control, RAS/WAS strategy dem, an troubleshootin solids loss dem.
Secondary clarifier types and componentsSurface overflow and solids loading ratesSludge blanket monitoring and controlRAS and WAS flow setting strategiesDiagnosing bulking and clarifier failuresLesson 3Sludge treatment conceptual options: thickening, aerobic/anaerobic stabilization, digestion, dewatering, and final disposal or reuse considerationsDis part outline sludge treatment train dem, includin thickenin, aerobic an anaerobic stabilization, digestion, dewaterin, an final disposal or reuse. It stress mass balance, energy recovery, an regulatory an odor limit dem.
Sludge production estimates and characterizationThickening technologies and design rangesAerobic and anaerobic stabilization choicesDigestion, biogas use, and energy recoveryDewatering, disposal, and reuse pathwaysLesson 4Compact and low-footprint configurations: MBBR, SBR, packaged systems, and hybrid solutions with selection guidanceDis part check compact biological setup dem like MBBR, SBR, packaged plant dem, an hybrid dem, focus pon footprint, energy use, flexibility, constructability, an selection criteria fi small or space-limit facility dem.
Design principles of MBBR reactorsSBR cycle design and control strategiesPackaged plant components and limitationsHybrid MBBR–activated sludge applicationsConfiguration selection for constrained sitesLesson 5Secondary biological processes: comparative analysis of activated sludge (CAS), extended aeration, A2/O, MLE, MBBR, SBR, and trickling filters for compact, energy-efficient plantsDis part compare key secondary biological process dem—CAS, extended aeration, A2/O, MLE, MBBR, SBR, an tricklin filter dem—highlight kinetics, energy use, footprint, nutrient removal ability, an suitability fi compact, efficient plant dem.
Conventional activated sludge design factorsExtended aeration for small robust plantsA2/O and MLE for biological nutrient removalMBBR and SBR for flexible compact systemsTrickling filters and combined biofilm systemsLesson 6Nutrient removal strategies: biological nitrogen removal (nitrification-denitrification) concepts, phosphorus removal options (chemical precipitation, enhanced biological phosphorus removal)Dis part present biological an chemical strategy dem fi nutrient removal, cover nitrification–denitrification pathway dem, process setup dem, phosphorus precipitation, EBPR design basic dem, an key control parameter dem fi stable performance.
Nitrification and denitrification fundamentalsMain BNR process configurations and layoutsCarbon source needs and internal recycle controlChemical phosphorus precipitation design basicsEnhanced biological phosphorus removal conceptsLesson 7Pretreatment options and selection criteria: coarse/fine screening, grit removal, flow measurement and equalization rationaleDis part detail pretreatment objective dem an option dem, includin coarse an fine screinin, grit removal, flow measurement, an equalization. It explain sizin, layout, an how pretreatment protect downstream unit dem an improve reliability.
Coarse and fine screening design choicesGrit chamber types and sizing criteriaFlow measurement devices and sitingEqualization basin purposes and designPretreatment selection for varying influentLesson 8Disinfection options: chlorine, UV, peracetic acid—selection drivers, CT concept, residual control and safety considerationsDis part review disinfection goal dem an option dem, includin chlorine, UV, an peracetic acid. It explain CT concept dem, dose–response, residual control, safety, by-product concern dem, an selection base pon effluent quality an regulation dem.
Disinfection objectives and log removal targetsChlorination systems, CT, and residual controlUV reactor design and dose monitoringPeracetic acid mechanisms and applicationsSafety, by-products, and technology selection
