3. The City of Saskville sends about 5.000 tonnes month of Msw to its landfill.

Question

3. The City of Saskville sends about 5.000 tonnes month of Msw to its landfill. What landfill area (in m would be required for one year's worth of MSW ifthe waste density at landfill is 800 kg/m and the waste depth is 911 cm. 4. Using the following 2010 data, estimate the da waste generation rate (in kg)per ita for NS NB and AB. Province Total waste disposed in Total materials Population tonnes diverted in tonnes Nova Scotia 367,246 65,467 945,200 New Brunswick 475,265 137,515 752,900 Saskatchewan 937,268 142,659 400 Alberta 3.917.492 713,153 3,723,800 5. In 2010, Saskatchewan disposed about 937,268 tonnes of waste, About 30,27% of them were from residential source. Using the composition chart in LI note, estimate the amounts (in tonnes) of@ papers and (ii) metals from the SK residential waste stream, 6. Plot the following two curves on SK solid waste generation with respect to time. Label the axes and the curves a. Horizontal axis: Year (1998-2010) b Vertical axis: Annual amount in kg per capita (0-1000) 1998 2000 2002 2008 2010 Disposed (kg) per capita 804 840 Diverted (kg) per capita 121 37

Explanation / Answer

Out of 132,763 tonnes of waste,

Paper corresponds to 23839+26265+10240 = 60344

Metal corrsponds to = 1961+13234 = 15195

So proportion of paper in waste = 0.45

Proportion of metal in waste = 0.12

Now, out of 937,268 tonnes, SK residential wastage is 937268*30.27% = 283,711 tonnes

So paper contains 283,711*0.45 = 127,670

Metal contains = 283,711 *0.12 = 34,045

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