TECH 454 – Environmental Engineering
Project Format: Each page must be typed in
12-point Times New Roman or similar typeface, 1” margins on all sides,
double-spaced. Please remember to correct misspellings and grammatical errors.
On the first page, in the upper right hand corner, place your name, class title
(TECH 454 - Environmental Engineering), and the date. Also on the first page,
below the name block, place the title: “Project 5”. This project should be 2
and halfor 3 pages.
Write your answers to the following questions in Short
Essay Format. Be sure to explain the information as required to support
your answers. Cite examples.
Number your answers for each question.
From the information discussed in
class on plastics, select one type of plastic from the seven recycling codes.
Do some research and find the process steps that this particular plastic goes
through; from the time it is discarded to when it has been completely recycled
into a new product. Describe this process in your own words; a
minimum of 5 steps will be required to receive full points. (The
process of burning the plastic, as a fuel is notan
acceptable process answer for this question.)
Even though all of the code 1
through code 7 plastics is recyclable, not all plastics are actively being
recycled. Do some research and find 3 of the major
issues that arecurrently blocking a more complete
recycling process. Describe the issues.
Plastics can be burned for fuel at a
waste to energy plant, just like paper products. However, the energy return
from plastics is not the same as paper products. Do some research and find out
which has the higher energy return rate; the plastics or the paper
products? Discuss the pros and cons of burning plastics versus
paper products for their energy.