Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 4, Problem 4.10P
To determine
The characteristic size as defined by a Rosin-Rammler plot.
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- Estimate the life of a landfill (years) given a population of 250,000 people, 40 acre, a maximum depth of 50 feet below ground, a pit slope of 1:3 and final slope of 1:4. The coversoil occupies 22% of the compacted volume. There is a 42% diversion rate, the waste is compacted to 1,270 lb/yd3, the population is stable and generates 6.2 lb/capita/day. The landfill area is square and the max height of the landfill is 33 yd.arrow_forwardHow would you define solid waste? State any three (3) factors which influence the amount of solid waste generated.arrow_forwardAssume that a material recovery facility has a conveyor belt (manual sorting unit) measuring 1,0 m width and an average belt speed of 18 m/min. Waste loading rate of the system is 12000 kg per hour and the average density of the waste on the conveyor belt is 80 kg/m3. Calculate the thickness of the waste on the conveyor belt and comment about this thickness.arrow_forward
- 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 = 5arrow_forwardChoose the correct answer Which of the following is a correct description about stabilization within landfills? Stabilization is the process in which gas and leachate in solid waste are produced; Stabilization is the process in which inorganics in solid waste is decomposed by microbes; Stabilization is the process in which organics in solid waste is decomposed by microbes; Stabilization is the process in which heavy metals in solid waste is adsorbed. Ratio of TCE’s partial pressure to TCE’s concentration in water is usually constant at equilibrium. However, the ratio may be changed when which of the following is changed? Temperature; B. TCE’s partial pressure; TCE’s concentration in water D. all of the abovearrow_forwardHousehold hazardous wastes are often found in a sanitary landfill in Malaysia. Explain a proper plan on how to stop this issue from being aggravated.arrow_forward
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Solid Waste EngineeringCivil EngineeringISBN:9781305635203Author:Worrell, William A.Publisher:Cengage Learning,
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ISBN:9781305635203
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Publisher:Cengage Learning,