Using the energy content (wet basis) ofthe waste components given in theTable P2-17,calculate the overall energycontent of the waste having thecomposition shown. This calculationcan be simplified by assuming 100 lb ofwaste.Table P2-17ComponentEnergy,Btu/lbPercent byweightFood200010Paper720033Cardboard70008Plastics14,0005Textile75003Rubber10,0004Yard waste280018Metals30010Miscellaneous300092-18. Determine the composition of the wastein Problem 2-17 if 10% of the woodwaste, 50% of the paper, 30% of the met-als, and 25% of the plastics are recycled.How would this affect the energy content.2-19. To achieve a 60% volume reduction of acardboard carton, how much energywould be needed?2-20. How has municipal solid waste genera-tion and diversion in the United Stateschanged since 2008?

Step 1: Assuming 100 lb of waste, find the mass of each component by multiply the weight percentage…

Answered: Using the energy content (wet basis) of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The landfill volume required for dry solid waste generated by a food factory per year is 300 m3. After drying the wet solid waste from the factory X% of it is recycled, followed by 2.5X% diversion for composting and 400 m3 for incineration, before the remainder is sent to the landfill. Using the information given below: Density of dry solid waste = 460 kg/m3 Daily generation of wet solid waste = 2200 kg Moisture content of the wet solid waste = 32% (ii) Determine X% and estimate the dimensions of the landfill site if the length: width : depth = 6:5:4
Calculate the number of stops in each trip of 1.50 h of refuse collection for the following data v= velocity = 15 km/h – 4.17 m/s d= distance= 750 m n = number of containers to empty per stop=1 tc= time to empty one bin/container= 650 s
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In 2008, the total solid waste (SW) produced in US is 249.61 million tons (note: metric ton). The SW may be divided into 11 sorts, as shown below. For any particular SW type, Column 1 represents the fraction of the SW type in the total SW, Column 2 shows how many percent of the type of SW was recycled/recovered, Column 3 represents how many percent of the type of SW was combusted, and Column 4 shows the density of the type of SW. The volume of waste residue after combustion was negligible. 1) Usually, SW was compacted by some special equipment before landfilling. Also, because of the gravity from the other SW and cover material that was located above, the SW in a landfill was compressed, more or less. As a result, the volume of SW was decreased. Different sorts of SW exhibit different volume reduction behaviors. Column 5 is compact ratio, indicating the volume reduction. Compaction ratio = Volume before compaction/Volume after compaction. Please compute total volume and the average…
A landfill initially received 10,000 tons/day of waste. This receipt rate increases 10% per year. The landfill is closed at the end of the fourth year. Calculate the yearly gas production for 20 years after opening. What is the peak gas production in m3/yr.
9-13. The maximum amount of solid wastes collected per day for one week is presented below. All the solid wastes are to be burned at a municipal waste-to-energy combustion facility at a constant rate of 100 tons/d. What is the required capacity of the storage pit that should be designed to accommodate 1.15 times the required capacity? Day Solid wastes collected, tons/d Monday 150 Tuesday 130 Wednesday 120 Thursday 120 Friday 100 Saturday 80 Sunday 0
. For a composition of city waste given as (Paper, wood, cardboard) = 53%, (Garbage)=22%, (Ceramics, glass, crockery) = 10 %, (Metals) = 8 % and (Rubber, plastics, discarded textiles) =7 %. Population of the city is 4 million. The waste generation rater per person per year is 0.138 tons/capita/year. How much waste in tons can be recycled? How much waste in tons must be collected in order to keep the city clean?
The table below shows the composition of a municipal solid waste (MSW) sample. The typical moisture contents and densities of the different components of the MSW are also given. The density (in kg/m3) of the solid waste is: Component Food waste Percent by mass Percent moisture Density (kg/m) 290 30 20 15 10 70 Раper Cardboard Plastics Garden trimmings Wood 6 85 50 65 10 15 60 20 105 240 10 117.4 125.3 99.9 102.4 Activate Window O O
The landfill volume required for dry solid waste generated by a food factory per year is 400 m3. After drying the wet solid waste from the factory X% of it is recycled, followed by 2.5% diversion for composting and 500 m3 for incineration, before the remainder is sent to the landfill. Using the information given below: Density of dry solid waste = 425 kg/m3 Daily generation of wet solid waste = 1500 kg Moisture content of the wet solid waste = 38% Determine X% and estimate the dimensions of the landfill site if the length:width:depth = 5:4:7. QUESTION 2. Estimate the theoretical amount of slow decomposable solid waste (C20H29O9N) required to produce 65 m3of methane (CH4) using the equation below. Assume a 75% conversion and the density of methane is 0.7167 kg/m3. Use the equation below C20 H 29 O9 N + 9H20 = 11CH4 + 9H20 + NH3 C = 12, N = 14, H =1, O = 16 QUESTION 3. Briefly discuss factors that influence…
1b The solid-waste composition and the quantity of solid waste generated from two cities located in the developing world are shown in Table Q1b as follows: Table Q1b. The solid-waste composition and the quantity of solid waste generated from two cities. Component City 1 City 2 Food waste (%) 47.0 65.0 Paper and cardboard (%) 6.5 7.5 Ash (%) 39.0 10.0 Other (%) 7.5 17.5 Waste generation rate(kg/person-day) 0.40 0.350
A city generates waste at a rate of 7400,000 kg/day. The density of the compacted waste is 380 kg/m3. How large should they build a landfill to contain a decade's worth of waste if the ratio of cover to compacted fill will be 1.5? Give your answer in m3
A city receives 42 tons per day of a solid waste stream with chemical formula C4H17O to their waste to energy facility each day. Estimate the air requirements to combust this waste in cubic ft per day. Assume specific weight of air is 0.075 lb/cu ft and that air is 21% oxygen by weight.

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