15 mL of raw wastewater wasadded into a 300-mL BOD bottle, which was then filled up with 285 mL pure water. The DO concentration in the mixed sample before incubation is 7.8 mg/L. The sample wasincubated for 5 days and the final DO wasfound to be 2.4 mg/L. What is theBOD5of the raw wastewater?

Q: To determine the BOD5 of a waste water sample, 5, 10 and 50 ml aliquots of the waste water were…

A:

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.