Select the most suitable treatment for wastewaters given below. Justifyyour answer for the treatment of each wastewater.WastewaterOptimumExplanationtreatment50 mg/L NO3-N2 ug/L PCBS1500 mg/L Ca2+50 mg/LHydrogen sulfide(H2S)

Waste Water Optimum Treatment Explanation 50 mg/L NO3-N Ion-exchange The ion exchange measure for…

Answered: Select the most suitable treatment for…

Select the most suitable treatment for wastewaters given below. answer for the treatment of each wastewater. stewater Optimum Explanation treatment mg/L NO3-N

Structural Analysis

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ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

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.

Question

Select the most suitable treatment for wastewaters given below. Justify
your answer for the treatment of each wastewater.
Wastewater
Optimum
Explanation
treatment
50 mg/L NO3-N
2 ug/L PCBS
1500 mg/L Ca2+
50 mg/L
Hydrogen sulfide
(H2S)

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A complete mix activated sludge process is to be used for biological treatment. This plant receives 10,000 m³ of wastewater per day with BOD loading of 250 mg/L. The primary treatment efficiency is 25%. Assume the followings: ● ● -4- Plant effluent BOD5 = 12 mg/L Biomass yield = 0.54 kg biomass / kg BOD Endogenous decay rate=0.05 day-¹ Solids Retention Time = 8 days MLVSS concentration in the aeration tank = 2,700 mg/L Waste and recycle solids concentration = 12,000 mg/L Determine the followings: (i). The hydraulic detention time in hours. (ii). The aeration tank volume in cubic meters. ...4/- SULIT EAP582
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