Example 10.5 Find the amount of land required in a sanitary landfill to dispose of urban waste of city of 40000 in population, knowing that Amount of waste generation = 2.0 kg/capita/d Refuse is filled into a depth of about 3 m. The landfill site is to be used for 10 years 25% should be added as area necessary for construction facilities Based on 1000 kg sample of waste

Example 10.5 Find the amount of land required in a sanitary landfill to dispose of urban waste of city of 40000 in population, knowing that Amount of waste generation = 2.0 kg/capita/d Refuse is filled into a depth of about 3 m. The landfill site is to be used for 10 years 25% should be added as area necessary for construction facilities Based on 1000 kg sample of waste

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter2: Municipal Solid Waste Characteristics And Quantities

Section: Chapter Questions

Problem 2.13P

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1. A sanitary landfill has available space of 16.2 ha at an average depth of 10 m. Seven hundred sixty-five (765) cubic meters of solid waste are dumped at the site 5 days per week. This waste is compacted to twice its delivered density. Draw a mass balance diagram and estimate the expected life of the landfill in years.
Example 10.6 Find the amount of land required in a sanitary landfill to dispose of urban waste of city of 120 000 in population, knowing that Amount of waste generation = 2.2 kg/capita/d Density of solid waste as discarded= 200 Kg/m3 Compaction factor in landfill = 0.3 Refuse is filled into a depth of about 4 m. The landfill site is to be used for 5 years including 25% for other services (access roads, storages...etc
10.7 A). Determine the impact of a resource recovery program on landfill area requirement, in which 40% of the paper, 60% of the glass, and 80% of tin cans are recovered. Knowing that the previous land fill was designed for a city of 40 000 in population, Amount of waste generation = 2.5 kg/capita/d refuse is filled into a depth of about 3 m. The landfill site is to be used for 13 years component Typical composition% 15 40 4 Food waste Paper Cardboard Plastics 3 Textile 2 Rubber 0.5 Leather 0.5 Garden trimming 12 Wood 2 Glass 8 Tin cans Non-ferrous metals Ferrous metals 2 Dirt, ashes, brick, 4 etc. Density kg/m3 18.0 5.1 3.1 4 10 6.5 15.0 12.1 5.5 10.0 20 30 B) If the site above were to be constructed in three lifts what is the new area
How many cubic yard of solid waste can be placed on a regulation soccer field (200 ft × 300 ft) subject to the following constraints and conditions? Slope of all landfill faces = 3 to 1 Covered material will be excavated from the site Neglect cover material requirements Lift height = 10 ft Maximum height of landfill = 20 ft Waste generation rate = 4.1 lb/capita day Community population = 80,000 How many soccer fields would be required per year to dispose of the waste from the community, assuming the in-place specific weight of the waste is 1,000 lb/yd3?
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
Chapter 10 Disposal of Solid Wastes and Residual Matter 10.7 A). Determine the impact of a resource recovery program on landfill area requirement, in which 40% of the paper, 60% of the glass, and 80% of tin cans are recovered. Knowing that the previous land fill was designed for a city of 40 000 in population, Amount of waste generation = 2.5 kg/capita/d refuse is filled into a depth of about 3 m. The landfill site is to be used for 13 years component Typical composition% Food waste 15 Paper 40 Cardboard 4 Plastics 3 Textile 2 Rubber 0.5 Leather 0.5 Garden trimming 12 Wood 2 Glass 8 6 1 Tin cans Non-ferrous metals Ferrous metals 2 Dirt, ashes, brick, 4 etc. Density kg/m3 18.0 5.1 3.1 4 8 10 6.5 15.0 12.1 5.5 10.0 20 30 B) If the site above were to be constructed in three lifts what is the new area يأتي Gehö
A world class island in Caribbean of about 500 hectares was bought by Tory Burch . Currently, it is occupied by 35000 persons generates refuse at an average rate of 2 lb / capita/day. As a way of giving back to the community, she save the 55 ac area as a landfill site, with an average depth of compacted refuse limited to 20 ft. TB estimated that the compacted refuse will have a unit weight of 580 lb/yard3 and that 75% of volume will be taken up by the compacted refuse. What is the estimated total volume per year?(yard3/year) Select the correct response: 55065 none of the choices. 33456 23456 45675
Estimate the area and volume of landfill to handle the solid waste from Warriorville for20 years. Based on a 10 yd sample of waste collected from an existing landfill during normal off‐loadingoperations. Assume the following:1. Population of 14,5662. Average solid waste generation rate of 2.42 lbs cap‐1 d‐13. Average uncompacted density of 9.03 lbs ft34. cell height of 8 ft 5. recommended depths of cover will be used6. normal compaction7. characterization of Warriorville solid waste based on a based on a 10yd dumpster sample isdescribed belowWaste Composition Mass (lbs)Food waste 56.5Paper and Cardboard 120.8Plastic 10.1Rubber, leather, wood 26.7Textiles 23.1Metals (90% Ferrous) 45.2Glass 30.6Miscellaneous 54.5
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
Problem-52, Disposal & Design of Sewage System (Civil) A landfill is to be designed for the population of 2,00,000. The solid waste generation is 1 kg/person/day. The density of uncompacted fill is 100 kg/m3. The compaction ratio is 3 and volume of landfill is 0.020 km3. The ratio of cover to compacted fill is 0.4. Calculate the number of years this landfill can be used.
(ii) 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 has 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?
A town with 2,350 residents wants to establish a municipality owned and operated solid waste collection program. They can purchase one of three possible trucks that have the ff. characteristics: Truck A, 18 m^3 capacity Truck B, 15 m^3 capacity Truck C, 12 m^3 capacity If the truck is to collect the refuse for one-fifth of the town each day during a 5-day work week, then every residence will be collected during the week, and the truck will have to make only one trip per day to the landfill. Which truck or trucks will have sufficient capacity. Assume a rate of 1.75 kg/capita/d. Assume that the truck is able to compact the refuse to 350 kg/ m^3 What is the total tonnage of solid waste to be collected/wk? What is the total weight of waste to be collected everyday? What is the required truck capacity in cubic meters? Which truck should be bought?