particles, (ii) a biological process for removal of dissolved organic matter and fine suspended solids particles, and (iii) effluent disinfection. The Clean Water Act defines minimum national effluent quality standards for secondary treatment, including: Group of answer choices a) All of these requirements b) 7-day average concentrations of 45 mg/l BOD5 and 45 mg/l total suspended solids c) effluent pH in the range of 6.0 to 9.0 at all times d) 30-day average concentrations of 30 mg/l BOD5 and 30 mg/l tota

Q: Assume that a large stream has a reoxygenation constant k1' of 0.4/day, a flow velocity of 5…

A: Given Data:k1= 0.4/dayFlow velocity= 5miles/hour=2.24m/sOxygen= 10mg/Loxygen demand=…

Q: A wastewater flow of 10,000 m³/d containing 400 mg/L BOD5 is to be treated in a rotating biological…

A:

Q: OD, COD, and ultimate BOD of a wastewater containing

A:

Q: Disinfection, sedimentation, flocculation, coagulation, and filtration are processes for a surface…

A: Coagulation is defined as a water treatment process in which chemicals which are known as coagulants…

Q: Calculate theoretical oxygen requirement (kg/day) of a complete - mix activated sludge process…

A: To calculate the theoretical oxygen requirement, we need to consider the oxygen demand for carbon…

Q: Determine the size of a high rate trickling filter for the following data: (i) Sewage flow = 4.5…

A:

Q: A domestic wastewater with BODs of 205 mg/L is treated by a secondary treatment plant that removes…

A: Given, BOD5 = 205 mg/L Initial DO = 9.2 mg/L Final DO = 2 mg/L Bottle volume = 300 ml

Q: After primary treatment, a municipal wastewater contains 150 mg/L BOD5. The wastewater flow of 0.44…

A: Given: Influent BOD, S0=150mg/L Discharge through the aeration tank=0.44cumec HRT=6hr…

Q: pare the positive and negative effects of disinfection of wastew

A: Introduction- Wastewater experts will become familiar with the aces, cons, and expenses of different…

Q: A BOD test is to be run on a sample of wastewater that has a 5 day BOD of 210 mg/L. The intial…

A: Following is the given information: Dissolved oxygen,  (DO)Initial  = 7.9 mg/L5 day BOD, (BOD)5  =…

Q: Calculate the diameter and depth of filters for the following data, if two trickling filters in…

A: Solution; Given data; Q=4MLD=4*106 L/D=4000 m3/d BOD of influent, yi=200 mg/l η=50%HLR=1.80…

Q: The wastewater from a manufacturing treatment plant is discharged to a municipal `treatment plant…

A: Given: From manufacturing wastewater: From domestic wastewater: The weight ratio of the mix is…

Q: A complete mix activated sludge secondary treatment plant is wasting from the return sludge line.…

A: Solution: Given Data: Mean cell solids residence time Qc=5 daysV=1000 L=1 m3MLVSS Xt=2000 mg/LWaste…

Q: Briefly stated, what is the principal purpose (i.e., treatment objective) of the following steps…

A: Preliminary treatment  • It involves removal of inorganic particles such as glass pieces, sand…

Integrated Solid Waste Management

Integrated Solid Waste Management (ISWM) is a thorough waste suppression, compost, removal and recycling Program. An effective ISWM system considers how to suppress, manage and recycle solid waste in a manner that is most efficiently to protect human health and the surrounding. ISWM system requires evaluation of public wants and demands and then selecting and merging the most effective waste management activities for the proposed demands. The main ISWM activities for solid waste management are Waste prevention, Recycling and Composting, and Combustion and Removal and waste collection in a properly planned, constructed, managed and mitigated landfill areas. Each of these requires careful designing, financing, accumulation, and delivery of activities.