2. A large furniture manufacturer produces 1000 tons of industrial solid waste p
ID: 717724 • Letter: 2
Question
2. A large furniture manufacturer produces 1000 tons of industrial solid waste per day. This firm has decided to locate in a small community of 20,000 residents. If the wastes from this plant go to the town landfill, which has an estimated life of 10 years, how much sooner will the town need a new landfill? Refer to Table 2-2 in Text Table 2-2 Generation and Management of Solid Waste in the United States from 1960 to 2012 (in pounds per capita per day) Activity 1960 2.68 0.17 970 3.25 0.22 1980 1990 2000 2005 2010 2012 Goneration 3.664.574.74 4.69444.38 Recovery for recycling 0.35 0.64 03 15 .14 Recovery for Composting Negligible Negligble Negligible 0.09032 038 0.36 0.37 Total materials recovery Combustion Combustion with energy recovery Discards to landil 2.51 other disposa Population (milions) 9 203.984 227 255 249.907 281.422 296.410 309.051 313.914 0.17 0.35 0.73135 148 151 0.01 0.0 0.00 0.070.65 066 058 0.58 0.57 0.070.65 0.66 0.58 0.52 0.51 3.02 3.24 3.19 2.73 263 2.4 236 Composing of yard trimmings food scraps, and odher MSW organic material. Does no include backyard composting Includes combustion of MSW in mass burn or refuse derived fuel form, and combustion with energy recovery of source soparated matorials in MSW (e.9, wood palets, tire-derived fuel Discards after recovery minus combuttion with enargy recovary Discards indlude c wthout enargy recovery Details might not add to totals due to roundingo Sources:[11Explanation / Answer
Given: Industrial waste produced=1000 tons/day
Population=20000 people
Estimated life of landfill=10 years
From the table, consider the waste generation rate for the year 2012. For discards to landfill and other disposals, it is 2.36 lb/capita day.
Amount of waste generated by the residents=Population*Generation rate
Amount of waste generated by the residents=20000 people*2.36 lb/capita day=47200 lb/day
Amount of waste generated by the residents=23.6 tons/day
Capacity of landfill=Amount of waste generated by the residents*Estimated life of landfill
Capacity of landfill=23.6 tons/day*10 years*365 days/year
Capacity of landfill=86140 tons
Total waste generated per day=Amount of waste generated by the residents per day+Industrial waste generated per day
Total waste generated per day=23.6 tons/day+1000 tons/day
Total waste generated per day=1023.6 tons/day
Life of landfill for this estimated total waste generated is
Life of landfill=Landfill Capacity/Total waste generated=86140 tons/1023.6 tons/day
Life of landfill=84.16 days.
Thus the town will require a new landfill in approximately 84 days, instead of the estimated 10 years.
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