Concept explainers
(a)
The tipping fee to be charged.

Answer to Problem 9.2P
The tipping fee to be charged is
Explanation of Solution
Given:
Solid waste generated per year is
Calculation:
Write the expression to calculate the tipping fee.
Here, the tipping fee is
Substitute
Conclusion:
The tipping fee is calculated by dividing number of people in household, waste production/year, charge of solid waste in landfill and solid waste produced /year.
(b)
The change in duration to close the landfill if Recycleville accepted the waste from town Trashville.

Answer to Problem 9.2P
The change in duration to close the landfill if Recycleville accepted the waste from Trashville is
Explanation of Solution
Given:
Solid waste generated per year is
Calculation:
Write the expression to calculate the time difference between the two cases.
Here, the actual life of the landfill is
Substitute
Conclusion:
The change in time is calculated by dividing solid waste and by assuming actual life of landfill and waste coming from Trashville .
(c)
The way to deal with the solid waste coming from Trashville as a mayor of Recycleville.

Explanation of Solution
If Recycleville accepts the solid waste from town Trashville, then the landfill has to be closed
Therefore, the solid waste coming from Trashville should be limited, and a dialogue should be held with the mayor of Trashville to install their landfill plant such that they don’t need to be sent to Recycleville.
The solid waste from Trashville can be accepted for some specified duration but cannot be done on a permanent basis as this will affect the Recycleville’s landfill’s life.
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Chapter 9 Solutions
Solid Waste Engineering: A Global Perspective, Si Edition
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