Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Question
Chapter 8, Problem 8.12P
To determine
The design for the landfill.
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Complete the following diagram of a sanitary landfill. Indicate the features.
With Picture
THANKS
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
Two small communities, Alpha and Beta, each have a small
landfill. They are considering building a joint landfill to serve
both communities (Fig. 3-30).
a)
, Write an objective function that can be used to
minimize the total cost of disposal where the towns would
have the option of taking the refuse to their own landfill or to
the common facility. They will not be able, however, to take
the refuse to each other's landfill. Use the following variables,
and state all constraints:
k.c
F = fixed-cost for landfill k ($100,000 per year, regardless of
size); subscript c stands for capital
c = transportation cost from town i to landfill k ($2/km/ton)
W = refuse generated in town i (2000 metric tons per year for
Alpha, and 3500 metric tons per year for Beta)
F = operating cost of landfill k ($10/metric ton)
Hints:
You'll need to include the transportation distance in the
standard objective function, since transportation cost is a
function of distance.
You'll need to add Fto the objective…
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- Solid Waste EngineeringCivil EngineeringISBN:9781305635203Author:Worrell, William A.Publisher:Cengage Learning,
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Civil Engineering
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Cengage Learning,