Imagine a town where 10,000 households each fill up one 320L container of refuse per week. To what density would a 15m3 packer truck have to compact the refuse to be able to collect all the households during one trip? Density in cans 120 kg/m³

Imagine a town where 10,000 households each fill up one 320L container of refuse per week. To what density would a 15m3 packer truck have to compact the refuse to be able to collect all the households during one trip? Density in cans 120 kg/m³

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter4: Mechanical Processes

Section: Chapter Questions

Problem 4.5P

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Concept explainers

Landfills

The landfill is a site used for the disposal of waste materials. The landfill is a solid waste facility that is often known as a dumping ground. The image below shows a landfill site in Hawaii. Landfilling is the most ancient and common method used for the disposal of waste. For the landfill, a deep trench is constructed in an isolated place away from the city. The trench for landfills is designed properly after analyzing the total population and the waste generation per capita. The waste is dumped into the trench and after every layer of waste, a layer of soil is spread on the top of it.

Question

design of sanitary landfill

Imagine a town where 10,000 households each fill up one 320L container of
refuse per week. To what density would a 15m3 packer truck have to compact
the refuse to be able to collect all the households during one trip?
Density in cans 120 kg/m³

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The Kumasi landfill serves a population of 253,000. Each week 325 trucks bring a total of 2180 tonnes of MSW to the landfill. Each truck averages two loads per day. The trucks each a capacity of 4.5 tonnes, and operate 5 days per week. (a) How much MSW is generated per person? Give your answer in kg.capta-1.day. (1 tonne = 1000kg). (b) What is the average load (in metric tonnes) in each truck when they at the landfill? At what capacity are the trucks operating? (c) If the density of the waste is 265kg.m-3, what is the volume of the MSW disposed of at the landfill each week?
19. Shown below is a mass haul diagram. Determine the free haul volume. a) 1000 m³ c) 2000 m² b) 2500 m² d) 4500 m² 20. Determine a) 1000 m² the volume of waste in item 19. a) 1000 m² b) 2500 m² c) 2000 m² d) 4500 m³
From the following date, estimate the unit waste disposal rate per week for a residentialarea consisting of 1200 homes. The average occupancy is 4 persons per home. Theobservation location is a local transfer station that receives all of the wastes collected fordisposal. The observation period was one week.Data:Number of compactor truck loads = 10Average size of compactor truck = 20 yd3Number of flatbed loads = 6Average flatbed volume = 3 yd3Number of loads from individual residents’ private cars and trucks = 20 Estimatedaverage volume per domestic vehicle = 9 ft3
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In a suburban area of a city, the total time dedicated to waste collection is, on average, 100 times greater than the combined average time it takes for each stop's collection and the time it takes to reach the next stop. If a waste collection truck has a compaction ratio of 2 and can transport a maximum of 8 (m3) of compacted solid waste per trip, what is the truck's average load volume for each collection in (L)?\
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