Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 2, Problem 2.16P
To determine
The effect in moisture content when yard waste collected separately.
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Calculate the chemical composition of a typical yard waste with and without water (based on N and S). HINT: Assume 100 lb of waste, 40 % Moisture Content
A writtine conclusion about solid waste, liquid waste and gastreous waste
The City of Forty-Five (population 465,565) has requested your assistance in evaluating its solid waste collection system. Determine the mean time per collection stop plus the mean time to reach the next stop, the number of pickup locations per load, and the minimum number of trucks the city must own. The City of Forty-Five collection data are as follows:
Average truck capacity = 12.5 m3; Average observed compaction ratio = 2.87
Crew size = 2; Number of pickups = 1 /wk (no rear-of-house service)
Average number of cans per stop = 2.63/wk at 0.1136 m3/can
Average number of residents per stop = 5
Average uncompacted density = 105.76 kg/m3
Average transport time to disposal site including delays and dumping = 1.78 h/trip
Average number of trips to disposal site = 2/d; Rest breaks = 2 at 28.0 min
Average maintenance downtime = 37.0 min/d; Average workday = 8.00 h
Average percent of trucks out of service for major repairs = 15.0%
Number of workday per week = 5
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- Question 3 (i) Why do we need data on MSW? Provide any two (2) kind of data that are needed. (ii) Briefly describe how the moisture content of waste is determined. (iii) Discuss why biological treatment of solid waste should be used extensively in Ghana.arrow_forwardBriefly describe how the moisture content of waste is determined.arrow_forward
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ISBN:9781305635203
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Publisher:Cengage Learning,