# 978-0131190825 Chapter 6

Document Type
Homework Help
Book Title
Basic Environmental Technology: Water Supply-- Waste Management & Pollution Control 5th Edition
Authors
Jerry A. Nathanson M.S. P.E.
CHAPTER 6 DRINKING WATER PURIFICATION
Review Question Page References
(1) 150 (9) 159 (17) 164 (25) 169
(2) 150 (10) 158 (18) 164 (26) 170
(3) * (11) 160 (19) 166 (27) 171
(4) 151 (12) 160 (20) 167 (28) 175
(5) 151 (13) 161 (21) 166 (29) 174
(6) 151 (14) 161 (22) 168 (30) 174
(7) 155 (15) 161 (23) 168 (31) 175
(8) 157 (16) 163 (24) 168 (32) 175
(33) 176
(35) www.awwa.org/mstream.htm
(36) www.epa.gov/ogwdw/pwsinv.html
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37
)
www.envirosources.com
* Community systems are public systems that serve year-round residents while noncommunity systems
serve travelers or intermittent users (e.g., camping sites and motels).
Solutions to Practice Problems
1. Tank volume V = π(50)2/4 x 9 x 7.48 gal/ft3 = 132,183 gal
3. VO = 500 gal/d ft2 x 1 ft3 /7.48 gal = 66.8 ft/d
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5. From Eq. 6-1, V = TD x Q = 3.5 h x (1 d/24 h) x 5000 m3/d = 730 m3
6. Filter area = 10 x 15 = 150 ft2
7. 9,000,000 L/d x 1 d/24/h x 1 h/3600 s = 104 L/s
9. lb/d = 8.34 x Q x C (Equation 6-3a)
10. kg/d = Q x C (Equation 6-3b)
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