Lesson 1Primary treatment: role of primary clarifiers, alternative solids capture strategies, and when primary treatment can be omittedDis part go explain di role of primary treatment for catch solid and cut load, covering primary clarifier design, other high-rate catch option dem, effect on next unit dem, and when to 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 go cover secondary clarifier role dem, design parameter dem, and operation way dem. Ting dem include clarifier type dem, surface overflow and solid load rate dem, sludge blanket control, RAS/WAS way dem, and fix solid loss problem 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 go outline sludge treatment train dem, including thickening, air and no-air stabilization, digestion, dewater, and last throw away or reuse. E stress mass balance, energy get back, and regulator and smell 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 go check small biological setup dem like MBBR, SBR, package plant dem, and mix, focusing on space, energy use, bend, build easy, and pick rule for small or tight space 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 go compare key secondary biological process dem—CAS, long air, A2/O, MLE, MBBR, SBR, and drip filter—showing speed, energy use, space, nutrient cut power, and fit for small, good energy 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 go show biological and chemical way dem for nutrient cut, covering air-no-air path dem, process setup dem, phosphorus drop, EBPR design basic, and key control parameter dem for steady work.
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 go detail pre-treatment goal dem and option dem, including rough and fine screen, grit take out, flow measure, and equalize. E explain size, layout, and how pre-treatment protect next unit dem and make work better.
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 go check disinfection goal dem and option dem, including chlorine, UV, and peracetic acid. E explain CT idea, dose-response, remaining control, safety, side product worry, and pick base on effluent quality and rule 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
