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Unitiii Assignment

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MEE 5901, Advanced Solid Waste Management
Unit III Assignment
This assignment will allow you to demonstrate the following objectives:
Evaluate the evolution of technologies related solid waste management.
Describe best practices of solid waste management in an urban society.
Instructions: Advanced treatment technologies will be needed in the future to complement the traditional
landfill and incineration options in use today. The objective of these technologies is to prepare wastes for
disposal where combustion is present and to derive energy from municipal wastes with the benefit of
reducing the volume that is landfilled after treatment. This extends the life of landfills before they become
unavailable to the local community and need to be closed. The fuel value of municipal waste explored in
this assignment is critical to the efficient operation of advanced technologies.
Answer the questions directly on this document. When you are finished, select “Save As,” and save the
document using this format: Student ID_Unit# (ex. 1234567_UnitI). Upload this document to BlackBoard
as a .doc, docx, or .rtf file. The specified word count is given for each question. At a minimum, you must
use your textbook as a resource for these questions. Other sources may be used as needed. All material
from outside sources (including your textbook) must be cited and referenced in APA format. Please
include a reference list after each question.
1) The particle size of municipal solid waste (MSW) is best described by a distribution of particle sizes.
Referring to Figure 4-12 (p. 145):
a) List the waste categories that have a larger particle size than the composite curve.
The particles that are the largest are 6 inches of textile; no waste category has a larger margin.
b) List the waste categories that have a smaller particle size than the composite curve.
Most of the waste particles are small, smaller than 20 inches of composite. The smaller particles
include food, rocks, ferrous, garden sand, wood, cardboard, and miscellaneous particles.
c) As the blades on the shredder unit begin to wear, will the particle size of the composite curve be
shifted towards larger or smaller particles? Explain how you came to your answer.
The size of particles is mostly affected by the amount of wear and tear in them. Blades are
used to reduce the materials to smaller particles by cutting them. As the cutting goes on, the
shredder's blades become more susceptible to wear and tear, and its performance declines.

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MEE 5901, Advanced Solid Waste Management
Unit III Assignment
The shredder will not produce the smaller particles as it used to; the particles become bigger
and bigger. The composite will continue will also be shifting towards larger particles.
d) Looking at Table 4-3 (p. 148), will Houston, TX, or Wilmington, DE, have a coarser particle size
distribution? Explain how you came to this determination using best practices in solid waste
management. (Your total response for all parts of this question should be at least 200 words.)
The coarser particles in Houston, TX, and Wilmington, DE could be caused by many factors.
For one, some of the materials have larger particles than the composite. The shredder's
performance or effectiveness could have been reduced due to wear and tear, hence the larger
particles. There are two options for waste management when the particle size increases. The
choice that is picked depends upon the type of material in question. If the material is
biodegrading bale, the particles are collected and turned into manure, which can now be used for
farming purposes. However, if the materials are non-biodegradable, that is, they don't decay,
such as glass and ceramics, the option is to cut them into smaller sizes ad then reuse them again
if there an area to reuse them or otherwise recycle them. If the non-biodegradable materials
cannot be reused or recycled, they are then recommended to be buried in deep pits. However, the
holes should not be deep to reach the water table so that these materials may not pollute the
water. Through this method, the size of the particles is appropriately controlled.
2) Properties of MSW (For parts A-C, show all of your work for the problems.)
a) As a consultant, your client hands you literature that it has received from two manufacturers of
shredder equipment. The bulk density specifications of unit “A” is 29.3 lb/ft
3
and the bulk density
of unit “B” is 435 kg/m
3
. Which unit will deliver a higher bulk density refuse? Show your work.
From conversion tables: 1 lb. = 0.454 kg, 1 ft
3 =
0.0283 m
3
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MEE 5901, Advanced Solid Waste Management Unit III Assignment This assignment will allow you to demonstrate the following objectives: ➢ ➢ Evaluate the evolution of technologies related solid waste management. Describe best practices of solid waste management in an urban society. Instructions: Advanced treatment technologies will be needed in the future to complement the traditional landfill and incineration options in use today. The objective of these technologies is to prepare wastes for disposal where combustion is present and to derive energy from municipal wastes with the benefit of reducing the volume that is landfilled after treatment. This extends the life of landfills before they become unavailable to the local community and need to be closed. The fuel value of municipal waste explored in this assignment is critical to the efficient operation of advanced technologies. Answer the questions directly on this document. When you are finished, select “Save As,” and save the document using this format: Student ID_Unit# (ex. 1234567_UnitI). Upload this document to BlackBoard as a .doc, docx, or .rtf file. The specified word count is given for each question. At a minimum, you must use your textbook as a resource for these questions. Other sources may be used as needed. All material from outside sources (including your textbook) must be cited and referenced in APA format. Please include a reference list after each question. 1) The particle size of municipal solid was ...
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