Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Question
Chapter 4, Problem 4.19P
To determine
The characteristic size of the shredded product.
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what are the Physical and Mechanical Properties of Plastic Waste with Bricks
V.
DATA AND TABULATION
1. Depending upon the form of the specifications for use of the material under test, the
report shall include the following:
1.1. Total percentage of material passing each sieve, or
1.2. Total percentage of material retained oneach sieve,
or
1.3. Percentage ofmaterial retained between consecutive sieves.
2. Report percentages to the nearest wholenumber, except if the percentage passing the
75-um (No. 200) sieveis less than 10 %, it shall be reported to the nearest 0.1%.
3. Report the fineness modulus, when required, to the nearest 0.01.
CUMULATIVE
CUMULATIVE
SIEV
AMOUNT
AMOUNT
PERCENT
PERCENT
RETAINED, g (b)
RETAINED, 9
(a)
RETAINED,
(c)=(b)*100/TÓT
E
PASSING
SIZ
(d)=100 - (c)
AL
1%
215
885
3/4
980
1/2
2350
3/8
1190
4.
2205
1985
10
1840
40
1650
100
980
200
660
PAN
60
15000
ТОTAL
[7]
Summary:
Because of the amount of handling that occurs during material production, within warehouses, and during manufacturing operations, along with the handling of loading, unloading, and shipping, material mix-ups and mixed materials are not an uncommon occurence. Mixed materials also occur when industrial scrap is collected, or when discarded products are used a new raw material through recycling.
A case of mixed materials has been identified, and you have been called upon to devise a means of separation. Assume that you have the equipment to perform each of the tests described in our discussion. For each of the material combinations below, determine a procedure that could accomplish such a separation. Use standard data-source references to help you identify distinguished properties.
hot-rolled bars of AISI 1020 and 1040 steel
stainless steel sheets of Type 430 ferritic stainless and Type 316 austenitic stainless.
6061-T6 aluminum and AZ91 magnesium that have become mixed in a…
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