Page 162 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological

Sedimentation 117

Vol. (%) 67 70 82 59 81 74 58 83 76 81 83 76 71 68 Control and
Sludge N.L.
Solids (%) 8.1 9.0 5.5 5.8 3.9 7.0 5.6 3.9 4.2 5.5 4.0 5.4 8.2 5.2 Pollution Nemerow,

Rem (%) 30.5 25.5 34.1 22.5 44.5 50 50 27.5 52 38.8 24 46.3 49 33 46 Water 1971;
and MA,
BOD BOD out mg=L 120 231 174 107 ISO 92 141 20t 43 139 291 152 108 95 73 Engineers Reading,

BOD in mg=L 173 310 264 138 282 175 284 281 90 227 383 285 212 14 0 135 Civil of

Rem (%) 49 55 70 46 61 74 77 61 62 58 63 64 77 62 77 Society Addison-Wesley,
Solids American

Suspended SS out mg=L 83 159 85 114 91 23 63 83 63 87 132 95 44 87 75 8, Treatment,

SS in mg=L 163 348 282 209 254 110 276 214 166 208 354 263 187 I236 329 No. and
Practice Practices,
(gpd=ft 2 ) 1350 1100 490 1690 995 373 623 1360 1160 905 1050 1275 750 660 379 of 1998.

v o Manual Theories, York,
(m=h) 2.292 1.867 0.832 2.869 1.689 0.633 1.058 2.309 1.969 1.536 1.782 2.164 1.273 1.120 0.643 WPCF New

36, Industry,
u (h) 1.88 1.98 3.66 1.6 2.21 4.32 2.9 1.64 1.55 2.38 1.95 1.69 2.34 2.5 3.55 No. of Reinhold,

(ft) 14 12 10 15 12.2 9 10 12 10 12 11.5 12 9.7 9 7.5 Practice Wastes
D Nostrand
of Liquid
(m) 4.3 3.7 3.0 4.6 3.7 2.7 3.0 3.7 3.0 3.7 3.5 3.7 3.0 2.7 2.3 Manual N.L., Van
(ft) 106 115 80 160 80 90 70 170 90 65 70 75 140 40 85
Dia ASCE Nemerow, Management,
(m) 32.3 35.1 24.4 48.8 24.4 27.4 21.3 51.8 27.4 19.8 21.3 22.9 42.7 12.2 25.9 Design,

Tanks (#) 12 2 2 4 1 4 2 3 2 1 1 1 4 2 2 Plant 1959; York, Waste

Data (mgd) 136.3 22.8 4.92 135 5.0 9.5 4.8 89.5 14.8 3.0 4.21 5.64 46 1.66 4.3 Treatment New Society, Hazardous and

Performance Q (m 3 =s) 5.97 1.00 0.22 5.91 0.22 0.42 0.21 3.92 0.65 0.13 0.18 0.25 2.02 0.07 0.19 Sewage the of Industrial of

Tanks Columbia Mexico ASCE-WPCF, from Headquarters Strategies

Primary of District Manitoba Michigan York New Washington Wisconsin Maryland Ohio Iowa Michigan Adapted Federation, F.J., Agardy,

6.8 Creek, New Ohio Rapids, Texas Colorado Louisiana
TABLE Circular Location Washington, Winnipeg, Battle Buffalo, Albuquerque, Yakima, Appleton, Baltimore, Springfield, Mansfield, Cedar Austin, Denver, Ypsilanti, Monroe, Sources: